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  1. Home
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  3. クリテック工業 本社、大阪営業所
  4. The replacement work of the expansion joints on the Tomei Expressway (Yokohama area) has been completed without any accidents. The large-scale project was successfully carried out with a consistent system and track record in investigation, design, manufacturing, sales, and construction.
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  • Apr 10, 2026
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Apr 10, 2026

The replacement work of the expansion joints on the Tomei Expressway (Yokohama area) has been completed without any accidents. The large-scale project was successfully carried out with a consistent system and track record in investigation, design, manufacturing, sales, and construction.

クリテック工業 クリテック工業 本社、大阪営業所
The replacement work for the expansion joints on the Tomei Expressway (Yokohama section) has been successfully completed, and the completion inspection was finished on April 9, 2026. This project, which we undertook as the main contractor, is the largest scale project our company has ever handled (with a construction period of about one and a half years). Crittec Industries, as a manufacturer of expansion joints for bridges, handles everything from research, design, manufacturing, and sales to construction in a consistent manner. In this project, we leveraged our on-site adjustment capabilities, technical skills, and a network of multi-skilled personnel to achieve smooth construction. Furthermore, due to the trust and experience we have built up over the years with numerous construction achievements in the challenging infrastructure environment of the Tomei Expressway since our founding, we successfully completed this project as the main contractor. Our flagship product, the "Hybrid Joint," is characterized by long-term durability and high water-tightness, and it has been adopted in many bridges. We would like to express our deep gratitude to the client, Central Nippon Expressway Company Limited, our partner companies, and the local residents.
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Crittec Industries Co., Ltd. | Homepage | News
The replacement work of the expansion joints on the Tomei Expressway (Yokohama section) has been completed without any accidents.
Bridge expansion joint specialist manufacturer | Crittec Industries [Official] X
The replacement work of expansion joints on the Tomei Expressway (Yokohama area) has been completed without any accidents.

Related product

イプロス画像_NEXCO認証_240719_CF_001.jpg

NEXCO specifications expansion device new product born! Obtaining NEXCO certification!

New product NEXCO certified | CF-20 | NCF type | 3LII-150 | 3LII-160 |

To adopt our products on the expressway (NEXCO), it is necessary to obtain certification in accordance with NEXCO's guidelines. Our lineup for NEXCO has traditionally included the CF type (expansion amounts of 30, 50, and 80mm) and the 3LII type (expansion amounts of 200, 250, 300, and 350mm). However, there was a gap between 80mm and 200mm, making it difficult to provide good proposals for projects requiring an expansion amount of 100mm. To address this demand, we developed the NCF-100 with an expansion amount of 100mm, and the 3LII-150 and 3LII-160 with expansion amounts of 150mm and 160mm, respectively. Additionally, we developed the CF-20 with a compact design and an expansion amount of 20mm, as well as the NCF type that can handle snow compaction. We are pleased to announce that these new products have received new certification from NEXCO. It is worth noting that the expansion amounts of 150mm and 160mm are close because the order documents may specify those exact expansion amounts. Please feel free to request materials or contact us at the timing of your product consideration before bidding or after winning the bid.

  • Bridge Materials

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橋梁新聞_250101号_クリテック工業_広告_ol_イプロス用_1000-1000.jpg

Expandable device Hybrid joint Durability 100 years 3LII type

A newly constructed bridge requires no replacement for 100 years! Long-term water resistance, maintenance-free.

In the longevity of bridges, the durability of expansion joints is a very important factor. Replacing expansion joints requires significant costs and traffic regulations, which can reduce the operational efficiency of bridges. The Hybrid Joint Type 3LII achieves a durability of 100 years, contributing to cost reduction and improved safety from a long-term perspective. 【Application Scenarios】 - New bridges - Repairs of existing bridges - Highways * For general roads, there is the "Hybrid Joint Type 3LIIA." 【Benefits of Implementation】 - Reduction in lifecycle costs due to no need for replacement for 100 years - Maintenance-free, eliminating the need for sound inspections and ultrasonic inspections, reducing maintenance costs - Decreased frequency of traffic regulations, mitigating traffic congestion and noise damage, and enhancing safety - Adoption of new technology through NETIS registration (No. KT-210067-A)

  • Bridge Materials
  • Foundation construction

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Related catalog(4)

Crittec Industrial NEXCO Specification Hybrid Joint Catalog

Crittec Industrial NEXCO Specification Hybrid Joint Catalog

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Japan's first! 100-year durability "Hybrid Joint Type 3LII" catalog

Japan's first! 100-year durability "Hybrid Joint Type 3LII" catalog

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8 Reasons to Choose _Hybrid Joint_ Lineup Catalog

8 Reasons to Choose _Hybrid Joint_ Lineup Catalog

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Expansion Device [Hybrid Joint] Comprehensive Catalog

Expansion Device [Hybrid Joint] Comprehensive Catalog

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クリテック工業
Building materials, supplies and fixtures manufacturers
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クリテック工業 本社、大阪営業所
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[Please introduce this to the management and general affairs department] Update on the introduction case of expense reimbursement and attendance management system! We want to eliminate paper-based reimbursement and application processes. The checking work that used to take three days can now be completed in one day.

  • NEW
  • OTHER

An article has been published regarding the case study of the introduction of the expense reimbursement system "Rakuraku Seisan" and the attendance management system "KING OF TIME" at Racam Co., Ltd. ~ In the case of Racam ~ Before the introduction of "Rakuraku Seisan," applications were paper-based. One person was responsible for checking the contents for about 100 individuals using a calculator. Since actually using the system, various tasks related to determining who to pay and how much have been reduced, and it has become possible to import the crucial journal entries. Most importantly, the elimination of the need to research transportation costs one by one has been a significant improvement. The successful implementation of the attendance management system was made possible by the generous support provided by iBP. [Case Overview (Partial)] ■ Challenges Before Implementation - Wanted to eliminate paper-based reimbursement and application processes ■ Key Points of Implementation - High recognition of Rakuraku Seisan - With iBP, both expense reimbursement and attendance management can be handled together *For more details, please refer to the related links or feel free to contact us.

Jul 24, 2026

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We will start selling various equipment related to expansion devices! We will do our utmost to reduce on-site hassle and support smooth construction.

  • NEW
  • COMPANY

We are pleased to announce that in response to customer requests for "no order for the main expansion device, but we would like to arrange necessary equipment for construction," we have started selling related accessories for expansion devices. We will deliver essential items for the site, such as tension anchors, sealing materials, cover plates, and urethane (backup materials), quickly and with high quality. Additionally, if there are materials not listed that you are having trouble sourcing or would like delivered together, please feel free to consult with us. 【Products Offered (Examples)】 ■ Tension Anchors ■ Sealing Materials ■ Cover Plates ■ Urethane (Backup Materials) *We are currently developing an online store, and once completed (date to be determined), we will also publish information on Ipros. *For more details, please feel free to contact us.

Jul 24, 2026

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Case Study 003: Verbalizing the "somewhat inconvenient" issues faced by HR and General Affairs. A case of organizing challenges and proposals. Client in the home care industry with approximately 700 employees.

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"Somewhat inconvenient" can quickly transform into "cost" and "risk" due to an increase in the number of employees or an expansion of business scope. What we are introducing this time is the process of a home care industry company with around 700 employees verbalizing their frustrations regarding payroll operations and considering the optimal system configuration. When we verbalize "somewhat inconvenient"... 1) The support quality of the payroll system being used is poor, causing significant stress. 2) The number of employees has been on the rise in recent years, raising concerns about running costs due to the pay-per-use system. 3) Macros are being used for data integration with a separate system. 4) We want to make backend processes like payroll payment reports easier. Information from iBP What is important here is to decide how to handle the multiple issues that have arisen, which is the "prioritization of tasks." You can read more without needing to input personal information. Please visit the iBusiness Partners column page! https://ibp-column.sfsite.me/36302

Jul 23, 2026

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When the sensor detects a car, it notifies pedestrians of the car's departure with the light of a rotating beacon!

Perfect for entrances and exits of parking lots and stores! Notify pedestrians of vehicle departures with the light from the rotating lamp! Here is a proposal for a departure warning sensor!

  • NEW
  • CATALOG

[To the owners of parking lots and parking lot construction companies] "I am worried about the possibility of colliding with pedestrians when exiting the parking lot..." Among vehicle entrances to parking lots, stores, residences, and factories, those particularly facing sidewalks or roadways are expected to pose risks of dangerous incidents such as pedestrian collisions and vehicle-to-vehicle accidents. To alleviate such concerns, Hotron proposes a [Vehicle Exit Warning Sensor] that detects vehicle departures at various sites and alerts the surrounding area with LED lights and buzzers. The system consists of a simple configuration of "Sensor" + "Controller" + "Switching Power Supply (24V)" + "LED Rotating Light." *When using the exit warning system, we kindly ask that you arrange for the switching power supply (24V), LED rotating light, control panel, circuit breaker, etc. Since it can be retrofitted, it can also be used for existing parking lot entrances. [Contents Included] ○ Exit Warning System Configuration ○ Comparison Table of Exit Warning Sensors ○ Four Modes ○ Wide Range of Applications ○ Customer Feedback ○ Appearance Diagram / Specifications ◎ For more details, please contact us or download the catalog.

Jul 23, 2026

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[Free Catalog Distribution] Measures for "Near Misses" in Nursing and Care Settings. Prevent tripping and disconnection with codes! Wireless Series Bed Exit Sensors Linked to Nurse Call Systems.

  • NEW
  • CATALOG

In facilities operating nurse call systems, we have made bed exit sensors wireless, allowing them to notify in conjunction with the nurse call system. By simply connecting the mat sensor "Foldable Thin Matt-kun," the body movement call "Ugo-kun," and the wheelchair body movement call "Ayumi-chan" to the transmitter HB-RS, you can make the bed exit sensor wireless. The infrared sensor "Just Place Pole-kun" has the transmitter HB-RS built-in. This helps prevent accidents caused by falls, slips, or wandering, contributing to the efficiency of medical operations. 【Features】 ○ Wireless conversion by simply connecting existing sensors to the transmitter HB-WSK. ○ Bed exit sensors notify wirelessly in conjunction with the nurse call system. ○ Up to 5 transmitters can be registered with one receiver. ○ The communication distance between the transmitter and receiver is approximately 10 meters. ◎ For more details, please contact us or download the catalog.

Jul 23, 2026

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