Prevention Device Product List and Ranking from 90 Manufacturers, Suppliers and Companies | IPROS

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
This ranking is based on the number of page views on our site.

Prevention Device Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
This ranking is based on the number of page views on our site.

  1. エスイー Tokyo//Other construction industries
  2. ティー・アイ・トレーディング Tokyo//Trading company/Wholesale
  3. 東洋シヤッター Osaka//Building materials, supplies and fixtures manufacturers
  4. 4 近畿電機 Aichi//others
  5. 5 藤井電工 Hyogo//Building materials, supplies and fixtures manufacturers
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Prevention Device Product ranking

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
This ranking is based on the number of page views on our site.

  1. Hazard prevention device 東洋シヤッター
  2. Manhole and confined space fall prevention and rescue system. ティー・アイ・トレーディング
  3. Rotary bird deterrent device 近畿電機
  4. 4 Mechanical Hazard Prevention Device "MecaSafe"
  5. 4 Tactile anti-reverse device "Wedge Hump" 大成ロテック

Prevention Device Product List

121～150 item / All 227 items

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The NMR pipe protector was featured on the business program "Corporate Spirit."

The NMR pipe protector was featured on the business program "Corporate Spirit."

There are over 4,200 installations! The "NMR Pipe Protector" is a device for preventing red rust in pipes.

The piping rust prevention device "NMR Pipe Protector" was introduced on the Tokyo MX business program "Corporate Spirit." This product has the function of transforming red rust into black rust. By reducing the size of water aggregates and utilizing free electrons in water, it reduces red rust in the piping to black rust. While suppressing the occurrence of new red rust, it reduces existing red rust to black rust, thereby strengthening the piping itself. Black rust forms a dense film on the surface of iron, protecting it from red rust, which corrodes iron. It has been used as a rust preventive since ancient times and is still used today for coatings on iron items such as Nambu iron kettles and Chinese woks. This product leverages the advantages of black rust to extend the lifespan of piping. [NMR Pipe Protector Features] - Can fundamentally solve the red rust problem - Excellent cost performance - Installation work is small-scale (no need for water stoppage) *For more details, please refer to the PDF materials or feel free to contact us.

  • Renovation and repair methods
  • Prevention Device

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Pipe rust prevention, the BBC in the UK has introduced NMR pipe protectors.

Pipe rust prevention, the BBC in the UK has introduced NMR pipe protectors.

Preventing red rust in the air conditioning pipes of the BBC and extending the lifespan of the pipes by preventing leaks with the red rust prevention device "NMR Pipe Protector."

The air conditioning piping in the BBC's main block building is 53 years old and has been experiencing leaks due to red rust deterioration. To avoid disruptions in program production during the pipe renewal work, a red rust prevention device called the "NMR Pipe Protector" was installed. The effectiveness of the NMR Pipe Protector in preventing red rust was verified in just about a month. Before installation, the iron content in the circulating water of the cooling water piping in the main block building was very high at 5.53 mg/L, indicating serious red rust deterioration. However, a water quality test conducted 32 days after the installation of the NMR Pipe Protector showed a significant reduction to 0.05 mg/L, which is less than 1/100 of the previous value, demonstrating the rust prevention effect due to the black rust formation caused by the NMR Pipe Protector. In the Stage 5 building, the iron content was also very high at 3.80 mg/L before the installation of the NMR Pipe Protector, but after installation, it decreased to about 0.06 mg/L, which is approximately 1/63 of the previous value, completely preventing red rust deterioration in the cooling water piping. Even in the 53-year-old BBC building, the high effectiveness of red rust prevention has been proven to prevent leaks and extend the life of the piping. *For more details, please refer to the PDF document or feel free to contact us.*

  • Renovation and repair methods
  • Prevention Device

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[NMR Pipe Protector Verification Results] Shinjuku Famous Bookstore Building

[NMR Pipe Protector Verification Results] Shinjuku Famous Bookstore Building

After 19 months of installation, all red rust has turned to black rust! As long as the building exists, the air conditioning chilled and hot water pipes are usable.

The air conditioning chilled and hot water piping installed throughout the famous bookstore building in Shinjuku was at risk of deterioration due to red rust. In 2005, 41 years after its construction, a "NMR Pipe Protector" was installed on the 200A diameter piping before the heat source pump to prevent the deterioration of red rust inside the piping and convert it to black rust, thereby extending the piping's lifespan to match that of the building. In April 2007, 19 months after installation, the branch pipe with a diameter of 32A from the air conditioning chilled and hot water piping was removed to check the state of red rust inside the piping, and it was found that all the red rust had been converted to black rust. [Introduction Overview] ■ Location: Shinjuku, Tokyo ■ Year of Completion: 1964 ■ Piping Material: Galvanized Steel Pipe ■ Air Conditioning Method: Central System (Hot Water Piping) ■ Installation Work: 2005 *For more details, please refer to the PDF document or feel free to contact us.

  • Rust Inhibitor
  • Prevention Device

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[NMR Pipe Protector Verification Results] Kumamoto Red Cross Hospital

[NMR Pipe Protector Verification Results] Kumamoto Red Cross Hospital

The total iron concentration in the water is also less than 0.1 mg/L, maintaining a good condition where red rust does not dissolve in the water!

At Kumamoto Red Cross Hospital, a red rust prevention device called "NMR Pipe Protector" was installed in the air conditioning chilled and hot water piping to prevent red rust after 16 years of construction, and the rust prevention effect was verified. Two weeks after installation, water samples were taken from the air conditioning chilled and hot water piping, and upon retesting, the total iron content due to red rust in the water significantly decreased to 0.07 mg/l. On February 27, 2019, four years after installation, water sampling was conducted, and it was confirmed that new red rust was completely prevented, and existing red rust was converted into insoluble black rust, maintaining the water's transparency. [Summary] ■ Before installation: The total iron content due to red rust in the water was 12.3 mg/l, indicating progression of red rust in the piping. ■ Effects after installation: - Two weeks after installation, the total iron content due to red rust in the water significantly decreased to 0.07 mg/l. - Four years after installation, new red rust was completely prevented. - Existing red rust was converted into insoluble black rust, maintaining the water's transparency. - The total iron content in the water remained below 0.1 mg/L, indicating that red rust was not dissolving in the water. *For more details, please refer to the PDF document or feel free to contact us.

  • Rust Inhibitor
  • Prevention Device

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[NMR Pipe Protector Verification Results] Hospital #E

[NMR Pipe Protector Verification Results] Hospital #E

The amount of red rust in the air conditioning hot water piping has significantly decreased! Completely preventing the progression of red rust and proving the rust prevention effect.

At Hospital #E, which was built 30 years ago, there were concerns about leaks due to the deterioration of red rust in the air conditioning hot water piping that uses galvanized steel pipes (SGP). Therefore, a red rust prevention device called "NMR Pipe Protector" was installed. Before installation, a sample of the circulating air conditioning hot water was taken, revealing that the total iron content in the water due to red rust was 360 mg/l, indicating significant corrosion of the pipes. Two weeks after the installation of the product, a sample of the air conditioning hot water showed that the total iron content in the water had significantly decreased to 0.4 mg/l. [Introduction Overview] ■ Hospital Location: Ebetsu City, Hokkaido ■ Hospital Overview: 30 years old, 4-story building with 200 beds (entire facility) ■ Installation Date: November 2017 ■ Installed Piping/Number of Units - Main building heat exchanger secondary side hot water supply pipe (SGP pipe 100mm)/PT-100DS x 1 unit - <Water Supply System> PT-100DS x 2 units *For more details, please refer to the PDF document or feel free to contact us.

  • Rust Inhibitor
  • Prevention Device

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[NMR Pipe Protector Verification Results] Water Supply Pipe in Binh Phuc Province, Vietnam

[NMR Pipe Protector Verification Results] Water Supply Pipe in Binh Phuc Province, Vietnam

The red rust inside the cast iron water distribution pipe has turned into black rust! It has been proven that the leaching of red rust into the water has been completely prevented.

In the water supply district of Huong Canh in Binh Phuoc Province, Vietnam, cast iron pipes (150A) have been in use for 15 years, leading to the progression of red rust corrosion inside the pipes, resulting in the frequent occurrence of red water. To address this red water issue, a red rust prevention device called "NMR Pipe Protector" was installed at the base of the cast iron water supply pipe (150A). Before installation, the water color and the amount of red rust at the sampling points were as follows: the northern sampling point, located 500 meters north of the installation site, had a light brown color and 7.0 mg/l of red rust; the western sampling point, located 300 meters west, had a brown color and 8.0 mg/l; and the southern sampling point, located 600 meters south, had a dark brown color and 23 mg/l. Two weeks after installation, the northern sampling point showed a lighter color and a reduction in red rust to 4.6 mg/l. The western point also nearly lost its color, decreasing to 2.0 mg/l. The southern point changed to a light brown color with a reduction to 12 mg/l. *For more details, please refer to the PDF document or feel free to contact us.*

  • Rust Inhibitor
  • Prevention Device

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[NMR Pipe Protector Verification Results] Izu Ohni Country Club

[NMR Pipe Protector Verification Results] Izu Ohni Country Club

The progress of red rust completely stopped just one month after installation! A case where the discoloration of the filter also decreased!

This property has been in existence for 33 years, and due to significant red rust blockage at the joints of dissimilar metals in the water supply pipes, we adopted the pipe rehabilitation device "NMR Pipe Protector." Before the installation of the NMR Pipe Protector, a white filter was attached to the kitchen sink water supply faucet for seven days, during which the filter became discolored to a brownish color due to the red rust generated in the water supply pipes. After dissolving the captured iron content with purified water and measuring the iron concentration, it was found that the iron concentration in the water was 21 mg/l, indicating that the red rust corrosion in the pipes was very advanced. One month after installation, a white filter was attached under the same conditions as before, and it was confirmed that the discoloration of the filter had reduced to light brown, with the iron concentration decreasing significantly to 5.8 mg/l. Furthermore, six months after installation, a white filter was again attached under the same conditions, and it was confirmed that the filter's discoloration had nearly reduced to white, with the iron concentration further decreasing significantly to 0.75 mg/l. From this, it can be concluded that just one month after the installation of the NMR Pipe Protector, the progression of red rust was completely halted, and at the same time, the surface of the red rust in the water supply pipes transformed into a non-soluble black rust, resulting in a reduction of iron leaching into the water and a decrease in filter discoloration.

  • Rust Inhibitor
  • Prevention Device

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[NMR Pipe Protector Verification Results] Palace of Westminster

[NMR Pipe Protector Verification Results] Palace of Westminster

The new red rust formation occurring inside the pipes has completely stopped, and the existing red rust has turned into black rust!

The Palace of Westminster is currently used as the UK Parliament and is one of the most famous buildings in the UK. It is located on the banks of the River Thames in central London and is a structure over 150 years old that was rebuilt around 1860. In one of the multiple buildings (the Guard Room), the air conditioning hot water piping was severely corroded due to red rust. To prevent the occurrence of new red rust in this piping system, one "NMR Pipe Protector PT-75DS" was installed in the air conditioning hot water piping on the secondary side of the boiler. The iron content in the water before the installation of the NMR Pipe Protector was 3.9 mg/l, but it decreased to 2.38 mg/l 34 days after installation. It was confirmed that 59 days after installation, the iron content in the water had decreased to 1.48 mg/l, which is less than half of the pre-installation value. This result demonstrated that the occurrence of new red rust in the piping was completely stopped, and the existing red rust was converted to black rust, which does not dissolve in water and protects the piping with a corrosion-resistant layer. With the installation of the NMR Pipe Protector, the air conditioning hot water piping can now be used semi-permanently as long as the building remains standing.

  • Rust Inhibitor
  • Prevention Device

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[NMR Pipe Protector Verification Results] Nursing Facility #HO

[NMR Pipe Protector Verification Results] Nursing Facility #HO

The red rust in the water supply pipe has transformed into hard crystalline black rust with a volume reduction of 1/10! The rehabilitation of the piping due to the black rust formation from red rust has been confirmed!

This nursing facility had experienced significant deterioration due to red rust in the water supply and hot water supply pipes. Therefore, when the building was 25 years old, we installed the red rust prevention device "NMR Pipe Protector" in the water supply pipe on the secondary side of the rooftop water tank and in the hot water pipe on the secondary side of the boiler. Before the installation of the NMR Pipe Protector, the iron ion concentration in the water supply was 2.27 mg/l, and the color degree was 20, indicating severe deterioration due to red rust in the pipes. Four weeks after the installation of the NMR Pipe Protector, the iron ion concentration in the water was reduced to 0.46 mg/l, and the color degree improved to 5, showing a significant improvement in water quality. Furthermore, the water quality test results 12 weeks after installation showed that the iron ion concentration in the water was 0.03 mg/l, and the color degree was less than 0.5. The red rust in the water supply pipe had transformed into hard black rust with a volume reduction of 1/10, stopping the leaching of red rust into the water. The rehabilitation of the pipes due to the black rust formation from red rust was confirmed. As a result, it has been demonstrated that by continuing to use the NMR Pipe Protector, both the water supply and hot water supply pipes can be extended to last until the building's lifespan.

  • Rust Inhibitor
  • Prevention Device

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[Non-Scaler Introduction Case Study] Major Chemical Plant

[Non-Scaler Introduction Case Study] Major Chemical Plant

Prevention of calcium scale adhesion and cooling efficiency in heat exchangers! A case where the frequency of line stoppages due to pump disassembly and cleaning once every 1.2 months was reduced.

The heat exchangers at the chemical plant were subject to overall calcium scale buildup, necessitating disassembly, cleaning, and washing every five months. When scale accumulated on the heat exchangers, it reduced cooling efficiency and negatively impacted product quality. After installing a "non-scaler" following the cleaning of the heat exchangers, there was no calcium carbonate buildup in the hot water piping even after five months, resulting in maximum cooling effectiveness of the cooling water and maintaining the lowest defect rate for products. Additionally, the need to stop the plant every five months to scrape off calcium carbonate from the exterior of the hot water piping was eliminated, leading to a decrease in product defect rates and an improvement in productivity. *For more details, please refer to the PDF document or feel free to contact us.*

  • Rust Inhibitor
  • Prevention Device

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[NMR Pipe Protector Verification Results] Moseley Hospital (NHS)

[NMR Pipe Protector Verification Results] Moseley Hospital (NHS)

Prevent red rust and leaks in the hot water piping of Moseley Hospital!

Moseley Hospital has two independent hot water systems: one connected to the storage tank and the other to the hot water header, with galvanized steel pipes used in the hot water piping. Therefore, to prevent red rust corrosion and leaks occurring in both hot water systems, NMR pipe protectors were installed in the storage tank piping and the hot water header piping. Water samples were taken from the hot water piping at five locations, and the average iron content in the water was calculated. Before the installation of the NMR pipe protectors, the average value was 13.824 mg/l. After 15 weeks of installation, it dropped to 1.3882 mg/l; after 31 weeks, it was 0.4762 mg/l; and after 49 weeks, it further decreased to 0.3428 mg/l. This significant reduction demonstrates that the NMR pipe protectors prevented the formation of new red rust within the piping and reduced existing red rust to black rust, which is insoluble in water and has a volume that is one-tenth of that of red rust. It has been proven that by continuing to install NMR pipe protectors, the hot water piping will have 100% of the red rust converted to black rust, thereby extending the lifespan of the building.

  • Rust Inhibitor
  • Prevention Device

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Effect of the calcium scale solidification adhesion prevention device "Non-Scaler"

Effect of the calcium scale solidification adhesion prevention device "Non-Scaler"

The calcium scaling prevention device "Non-Scaler" solves the calcium scaling problem in hot water boilers without using ion exchange resins or strong alkaline agents.

Calcium scale inevitably adheres to the interior of hot water boilers and similar equipment. To reduce the adhesion of calcium scale, traditionally, water containing calcium ions is softened using ion exchange resin before producing hot water in the boiler. The remaining calcium in the water crystallizes as insoluble calcium carbonate within the boiler and adheres to it. Traditionally, strong alkaline agents were added to the boiler to prevent the formation reaction of calcium carbonate. However, strong alkaline hot water is highly corrosive to metals, leading to corrosion and deterioration of the boiler itself, internal piping, and hot water piping, which shortens the lifespan of the boiler and connected piping equipment to around 10 years. The calcium scale prevention device "Non-Scaler" reacts the calcium in the water with free carbonic acid within the Non-Scaler, forcibly transforming it into fine particles of calcium carbonate that are then dispersed and flow in the water. Once calcium carbonate is converted into fine particles, it remains unchanged even under the high temperature and pressure conditions inside the boiler, flowing in its particulate state. Additionally, the influence of corrosion deterioration from strong alkaline agents is eliminated, making it possible to extend the lifespan of the boiler and hot water piping by more than double.

  • Rust Inhibitor
  • Prevention Device

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Small-scale building pit odor prevention device "Building Pit Rater"

Small-scale building pit odor prevention device "Building Pit Rater"

Eliminate the bad odor at its source! We will solve the odor problem arising from the building pit.

The "Building Pit Aerator" is a small-scale odor prevention device for building pits that stirs and aerates wastewater while supplying air, keeping stored wastewater aerobic, preventing the accumulation of sludge and the formation of scum, and eliminating the sources of foul odors from the outset. It can be installed without modifying existing manholes (Φ450, Φ600) in buildings. Additionally, the installation work does not require drilling holes for the intake pipe (hose), only for the cable outlet hole, making it easy to carry out. 【Features】 ■ Easy installation from existing building manholes (Φ450 to Φ600) ■ Operates at low water levels (255mm) ■ No accumulation of sludge, and no scum formation, saving cleaning costs within the building pit ■ Minimal wear on the impeller, designed for long life ■ Simple structure for easy maintenance ■ Wide service network covering extensive areas *For more details, please refer to the PDF document or feel free to contact us.

  • Sanitary fixtures
  • Drainage and ventilation equipment
  • Environmental Survey
  • Prevention Device

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Fall Prevention Device [Keeper]

Fall Prevention Device [Keeper]

Retractable fall protection device that supports safe work at heights.

Retractable fall prevention device that supports safe work at heights 【Features】 ■ Fall prevention equipment to ensure the safety of workers engaged in high-altitude work where there is a risk of falling ■ The "Keeper" is a compact and lightweight safety block that operates reliably and safely even in the event of a fall ■ By adopting a "slip clutch," it reduces impact loads to a maximum of 3.5 kN, pursuing a user-friendly performance even in emergencies *For more details, please contact us.

  • Other civil engineering works
  • Prevention Device

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[Data] Reduce hydrogen sulfide in the building pit to zero.

[Data] Reduce hydrogen sulfide in the building pit to zero.

Introducing content aimed at reducing costs while simultaneously suppressing the generation of hydrogen sulfide!

In this document, we are proposing measures to reduce hydrogen sulfide in building pits to zero. It includes the decay mechanisms of building pits, the dangers of hydrogen sulfide, and the equipment configuration and responsibilities of the system. Regarding the shortening of the lifespan of sewer pipes due to hydrogen sulfide, we present the differences in the service life of sewer pipes based on varying concentrations of hydrogen sulfide. [Contents] ■ Current status of building pits ■ Decay mechanisms of building pits ■ Actual site conditions ■ Shortening of sewer pipe lifespan due to hydrogen sulfide ■ Dangers of hydrogen sulfide *For more details, please refer to the PDF document or feel free to contact us.

  • Drainage and ventilation equipment
  • Sewerage facilities
  • Turbid water and muddy water treatment machines
  • Prevention Device

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Birds Electric Shock Surprise Shock CCCN

Birds Electric Shock Surprise Shock CCCN

Birds Electric Shock Surprise Shock CCCN

The "Bikkuri Shock" provides moderate electric shocks to birds such as pigeons and crows, preventing them from coming to unwanted areas. It is a reliable countermeasure product developed with the concept of making them experience the pain of the shock and learn from it. <Features> - It is a device that utilizes electric shocks. - It is a system that is safe for both birds and humans, not too powerful. - It is an energy-saving type of system. *For more details, please download the catalog.

  • Net fence
  • Prevention Device

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Rental Information for the Pipe Scale Prevention and Removal Device "Arioles"

Rental Information for the Pipe Scale Prevention and Removal Device "Arioles"

Purifying pipes without using chemicals that cause environmental pollution!

Are you using products that could harm the environment for pipe cleaning? Here is information about the rental of "Arioles," which purifies pipes without using chemicals that cause environmental pollution. Since it is a rental, you can cancel at any time (after six months from the start of the contract, you can cancel whenever you want), and we provide reliable support. The rental fee can be fully expensed, and there is no need to include it on the balance sheet. During the rental period, we will conduct regular water quality analyses and report the results to you. For more details, please download the catalog or contact us.

  • Incinerators and chimneys
  • Sewerage facilities
  • Measurement and analysis equipment leasing and rental
  • Prevention Device

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Falling Object Prevention Device "Rakkasen"

Falling Object Prevention Device "Rakkasen"

Fall prevention for bolts and nuts! A fall prevention cord that can be attached to gloves or tool bags.

Fujii Denko's "Rakkasen" is a tool for preventing the dropping of bolts and nuts during the assembly and disassembly of steel towers. By attaching a fall prevention cord to gloves or tool bags and connecting it to bolts and nuts, it prevents them from falling. Optional back support belts and tool bags are also available. 【Features】 ■ A tool to prevent the dropping of bolts and nuts during tower work ■ Can be attached to gloves or tool bags ■ Optional back support belts and tool bags available *For more details, please refer to the PDF document or feel free to contact us.

  • others
  • Safety and consumables
  • Prevention Device

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Fall prevention device for communication line construction

Fall prevention device for communication line construction

Introducing fall prevention equipment for high-altitude work such as communication line construction, as well as equipment for communication and power distribution line construction.

Our company offers a wide range of "fall prevention devices for communication line construction." In the construction of distribution and communication lines, fall prevention devices can be installed from the ground using a lifeline or a retractable device, allowing for safe ascent and descent. For high-altitude work such as communication line construction, we provide a lineup of "ascent and descent fall prevention devices," including "operating rods" and "CP ascenders," to prevent falls when climbing poles or ladders. 【Features】 <Ascent and Descent Fall Prevention Devices> ■ Rollip Type - A method where a rollip-type lifeline hook connected to a lifeline is hung on a wire or pole using an operating rod. ■ Kakek Type - A method where a kakek-type lifeline hook is attached to the tip of the operating rod or the top of the ladder to connect the lifeline to the wire. ■ Bell Block Type - A method where a bell block is hung on the wire using an operating rod. *For more details, please refer to the PDF document or feel free to contact us.

  • Safety and consumables
  • Prevention Device

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Pallet and Load Arrangement Machine "Pallet Adjuster"

Pallet and Load Arrangement Machine "Pallet Adjuster"

For organizing and preventing cargo collapse! Pallets and loading devices that can be made in different sizes.

The "Palette Adjuster" is a pallet and cargo alignment device used during forklift loading operations to align cargo that overhangs the pallet and to prevent cargo collapse. It is utilized in cold storage warehouses, automated warehouses, and mobile rack warehouses. As an option, back panels and side panels made of SUS304 are also available, and different sizes can be produced up to W1,400. 【Features】 ■ Used for aligning cargo that overhangs the pallet and preventing cargo collapse ■ SUS304 back panels and side panels can be produced (optional) ■ Different sizes can be produced up to W1,400 *For more details, please refer to the PDF materials or feel free to contact us.

  • palette
  • Prevention Device

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"SECT Heater," a snow melting and freeze prevention device that can be used for heavy snow and snowstorm countermeasures.

"SECT Heater," a snow melting and freeze prevention device that can be used for heavy snow and snowstorm countermeasures.

Long lifespan and maintenance-free. Snow melting devices for the surfaces, equipment, and steel structures of power plants and substations, as well as freeze prevention devices for dam gate sections.

While the Earth's environment is changing and global warming is progressing, heavy snowfall in winter is disrupting living conditions. The installation of snow melting devices addresses snow accumulation and freezing, contributing to the creation of an environment free from snow removal, falling snow, and slip accidents. Sect heaters have very high mechanical strength, excellent durability, good thermal conductivity, and are energy-efficient, making them an economical product in the long term. Sect heaters can be designed according to customer requests, including embedded heater units, panel-type heater units, and cylindrical or semicircular heaters tailored to the shape of the objects for snow melting and freeze prevention. *For more details, examples of installations are listed in the catalog. Please feel free to contact us.

  • Civil Engineering Method
  • Prevention Device

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Harmonic Pro GLI-L24L, GLI-L56L

Harmonic Pro GLI-L24L, GLI-L56L

6%, 13% series reactor protection device for preventing harmonic intrusion phenomena

Harmonic Ingress Phenomenon Prevention Device It is suitable for cases where overcurrent and overheating relays operate in a 6.6kV system leading capacitor circuit. Instead of attenuating or eliminating the harmonics themselves like a filter, it prevents the amplification phenomenon caused by harmonics. Manufactured by Otowa Electric Industry, a specialized manufacturer of lightning protection products, including surge protectors (Arresters, SPD, LA, Surge Protectors), lightning countermeasure products, and induced lightning countermeasures.

  • Lightning protection
  • Prevention Device

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[Delivery Record] Certain Office Building "Birdless Mat Type 2"

[Delivery Record] Certain Office Building "Birdless Mat Type 2"

Pigeon and crow control! Introducing the delivery results of Birdless Mat Type 2 [Bird damage prevention and bird control case studies such as pigeon prevention].

When pigeons and crows perch around the building and leave droppings, they fall onto the sidewalk and parking lot. As a countermeasure, we installed the "Bird Resmat Type 2" on the window ledges, the rooftop coping, and the top of the ventilation hood. <Customer Feedback> There were quite a number of pigeons perching, but after installation, there have been no droppings, and their numbers have gradually decreased to the point where they no longer come around. Additionally, the color blends well with the building, so it is hardly noticeable. It has been a great help. <Delivery Record> - Category: Building - Installation Date: July 2013 - Installation Location: Kanagawa Prefecture - Product Name: Bird Resmat Type 2 - Target Species: Pigeons, Crows For more details, please contact us.

  • Ventilation openings
  • Scaffolding and Support Materials
  • Parking lot facility construction
  • Prevention Device

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[Delivery Record] Certain commercial facility "Birdless Mat Type 1"

[Delivery Record] Certain commercial facility "Birdless Mat Type 1"

Pigeon control! We will introduce the delivery results of Birdless Mat Type 1 [Examples of bird damage prevention measures such as bird and pigeon deterrents].

Type 1 is usually installed as a preventive measure in areas with little to no damage. Here, a large-scale maintenance of the facility was conducted, during which we were requested to replace the Type 1 Birdless Mat that was installed about ten years ago. Since it showed no deterioration over a long period and the installation site had no pigeon damage, it was chosen again. <Customer Feedback> We requested replacement work at the location where we previously installed the Birdless Mat. Since the product was effective and showed no deterioration over a long period, we specified the same product again this time. We feel secure knowing it is effective against pigeon damage. <Delivery Record> - Category: Public Facility - Construction Date: January 2013 - Installation Location: A certain commercial facility in Hyogo Prefecture - Product Name: Type 1 Birdless Mat - Target: Pigeon Control For more details, please contact us.

  • Pest and insect control products
  • Prevention Device

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[Case Study] Mistakes in skipping processes and mistakes in tool selection.

[Case Study] Mistakes in skipping processes and mistakes in tool selection.

We will introduce examples of implementing a system that prevents shipping and packaging in work processes where issues such as forgetting to include documents occur, using poka-yoke methods!

We would like to introduce a case where the Poka-Yoke products developed by oneA Corporation were adopted during 'cell production.' There was a challenge of needing to pick and package multiple documents, which sometimes led to forgetting to include instruction manuals and other documents. To address this, we established a system that manages the process with a shutter, where if there is a picking omission, the packing tape cannot be retrieved. [Case Overview] ■ Challenge - Occurrence of forgetting to include documents such as instruction manuals ■ Solution - Established a system where packing tape cannot be retrieved if there is a picking omission *For more details, please feel free to contact us.

  • Process Control System
  • Prevention Device

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[Agents Wanted] Finger Pinch Prevention Device "Yubi Safe"

[Agents Wanted] Finger Pinch Prevention Device "Yubi Safe"

Safety and security for everyone from children to the elderly! Introducing our finger pinch prevention device.

"Yubi Safe" is a finger pinch prevention device equipped with antibacterial and flame-retardant functions. By attaching it with double-sided tape to the hinge side of the door, it prevents finger pinching. The standard size is 750×128mm. Additionally, we also offer a "Finger (custom type)" with a piano pattern. 【Features】 ■ Antibacterial and flame-retardant functions (only for Yubi Safe) ■ Can be installed with double-sided tape ■ Surface made of polyester fiber, back made of non-woven fabric ■ Made in Japan *For more details, please refer to the PDF document or feel free to contact us.

  • others
  • Prevention Device

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Bird Damage Prevention Achievements: Wakayama District Court and Family Court

Bird Damage Prevention Achievements: Wakayama District Court and Family Court

Introduction of examples of bird damage prevention measures implemented in government office buildings and facilities.

We introduce the achievements of Fujinaga, a comprehensive consultant for pigeon control and bird damage prevention, as well as a manufacturer of bird deterrent devices. At the Wakayama District Court and Family Court, we implemented the "BF3 Bird Electric Shock (E-Line)" for pigeon damage control. Our bird damage prevention measures cater to a wide range of buildings, from large commercial facilities, schools, and hospitals to condominiums and single-family homes. 【Project Overview】 ■ Prefecture: Wakayama Prefecture ■ Completion: December 2013 ■ Target Bird: Pigeon ■ Countermeasure Product: BF3 Bird Electric Shock (E-Line) ■ Scope of Measures: Entire rooftop edge *For more details, please refer to the PDF document or feel free to contact us.

  • Special Construction Method
  • Pest and insect control products
  • Prevention Device

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Fire shutter safety device S Guard Cross [Patent No. 3854259]

Fire shutter safety device S Guard Cross [Patent No. 3854259]

Fire shutter safety device S Guard Cross [Patent No. 3854259]

This is a hazard prevention device for fire and smoke shutters that does not use electricity. 【Features】 ○ The biggest advantage is that we have achieved a model with a safe opening height of 43 cm, which can prevent accidents even when an elementary school student wearing a backpack is caught. ○ Certified by the Minister of Land, Infrastructure, Transport and Tourism Hazard prevention mechanism (Certification number CAT-0330) Smoke blocking performance (Certification number CAS-0331) Flame blocking performance (Certification number E A-0235) ● For other functions and details, please download the catalog.

  • shutter
  • Prevention Device

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