オーイケ List of Products and Services

The "OK-style lightweight square manhole" is manufactured with a blend of PVA (vinylon fiber), making it a thin and lightweight product. Height adjustment is easy by stacking the main body and the riser. In addition to concrete lids, we offer various types including cast iron lids, cast iron grates, and grating lids. 【Features】 ■ The concrete lid does not have holes for handles, preventing unpleasant odors. ■ It is 3 to 5 centimeters thinner than standard manholes. ■ It weighs about half of a standard manhole. *For more details, please refer to the PDF document or feel free to contact us.

• Gutters and U-shaped gutters

The "OK Type Parking Block" is a non-peeling car stopper because it has embedded reflective materials. The bolt reflector can be easily set by simply pushing it in with one touch, and it has excellent display functionality as a seal can be attached to the center part. Additionally, we also offer the "Foundation Integrated Parking" for quick installation, and the "OK Type Bicon Made Parking" which has a flat back for doubled adhesive strength. 【Features】 ■ The bolt reflector can be easily set by simply pushing it in with one touch ■ Easy installation work ■ Excellent display functionality as a seal can be attached to the center part ■ The reflective material's hole cap is on the front, making it easy to confirm even at night ■ The reflective material is embedded, so it does not peel off *For more details, please refer to the PDF document or feel free to contact us.

• Car and bicycle parking facilities

The "flat block" is a product that can be used for both wall blocks and stacking blocks. It allows for flexible combinations and can adapt to applied structures (such as gravity retaining walls) with ease, while also being easy to install. Additionally, it has high safety due to being connected with rebar. Please feel free to consult us when you need assistance. 【Features】 ■ Balances flexibility and safety ■ Brightness certification obtained *For more details, please refer to the PDF materials or feel free to contact us.

• Stacking blocks

The "OK Ecoblock" is a large block retaining wall that excels in construction. It is a product developed to meet the demands for labor-saving in construction and reduction of construction costs. By pouring core concrete, it is possible to build a solid masonry retaining wall. With a size of 1m², it allows for labor-saving in construction, and since the block itself is lightweight, it offers excellent economic efficiency. 【Features】 ■ Large size of 1m² for labor-saving in construction ■ Lightweight block body for excellent economic efficiency ■ Self-supporting with horizontal stacking, providing excellent workability (5% slope) ■ Can accommodate 3% and 4% slopes by using dedicated foundation blocks ■ Pattern compliant with the National Research and Development Agency, Public Works Research Institute, Natural Coexistence Research Center Brightness: 4.5, Texture: 14 *For more details, please refer to the PDF document or feel free to contact us.

• Retaining wall

The "OK Guard Wall" is a combined retaining wall and guardrail designed for road use, featuring a vertical front that makes it easy to set up and simple to construct. The standard product can accommodate horizontal alignments with a minimum radius of approximately R=20m, in accordance with the "Guidelines for Road Earthworks and Retaining Walls" and the "Standards and Explanations for Guardrail Installation." Additionally, we offer the "OK Guard Base," which can accommodate an inner curve radius of 8m and a road longitudinal slope of up to 9%. 【Features of OK Guard Wall】 ■ The vertical front makes it easy to set up and simple to construct. ■ The standard product can accommodate horizontal alignments with a minimum radius of approximately R=20m. ■ Full-scale structural experiments have been conducted to confirm the safety of the wall's strength against impact loads. ■ Complies with the "Guidelines for Road Earthworks and Retaining Walls" and the "Standards and Explanations for Guardrail Installation." *For more details, please refer to the PDF document or feel free to contact us.

• Retaining wall
• Protective fence

The "HD Wall" is a retaining wall designed to withstand major earthquakes (horizontal seismic intensity kh=0.25). If within the certification conditions, calculations and other procedures are unnecessary, simplifying the process from planning to approval. As a foundation supporting long-term excellent housing with outstanding technologies such as seismic resistance, vibration control, and base isolation, this product boasts a durability of 100 years. 【Features】 ■ Reliable product certified by the Minister, with simplified procedures ■ Maximizes the use of valuable land ■ Durability is guaranteed (Based on the results of concrete neutralization experiments conducted by the Building Research Institute) *For more details, please refer to the PDF materials or feel free to contact us.

• Retaining wall

We offer a variety of shapes for our "Lighting Pole Foundations," including round, square, and octagonal shapes. The top is designed with a water slope, so even if the surface is exposed, it allows for easy and neat finishing. We provide the "OK type lighting pole foundation," as well as spiral pipe types, anchor bolt embedded types, and octagonal types. Please contact us when placing an order. 【Features of OK Type Lighting Pole Foundation】 ■ The top is circular, making installation easy ■ Designed with a water slope ■ Can be manufactured in shorter lengths *For more details, please refer to the PDF document or feel free to contact us.

• Street lights
• Other lighting fixtures

The "catch basin" is a product that can be customized with openings to match the site’s pipes and ditches. The opening work related to the connecting waterway will be done by our company, significantly improving the construction efficiency on site. The unit can be divided to match the heavy machinery on site, achieving weight reduction. Additionally, by using slabs, we offer a rich lineup including the "slab-type catch basin" that accommodates round and square covers, as well as the "lightweight catch basin" that achieves significant weight reduction. 【Features】 ■ Shortened construction period and high cost-effectiveness ■ Excellent workability ■ Compatible with various sizes such as square and rectangular *For more details, please refer to the PDF materials or feel free to contact us.

• Gutters and U-shaped gutters

The "OK Type Fireproof Fence (Fireproof Wall) and OK Type Permanent Fence" are concrete fences (walls) that excel in seismic resistance, durability, sound insulation, and workability. Because the wall and the entire structure are integrated, they exhibit remarkable strength against accidents and earthquakes. Additionally, by utilizing the inserts at the bottom of the main body, the floor concrete and the main body can be further integrated. They can be widely used as alternatives to block fences, permanent fences, assembled fences, and cast-in-place concrete fences, as fireproof fences (fireproof walls) or soundproof walls. 【Features】 ■ Strong integrated structure ■ Excellent workability ■ Sound insulation *For more details, please refer to the PDF materials or feel free to contact us.

• Concrete wall

The "Residual Formwork Method" is a construction method that eliminates the need for formwork removal and utilizes formwork that has aesthetic or functional qualities. With the increasing awareness of environmental issues such as global warming and the reduction of construction waste, as well as the challenges of labor shortages (lack of skilled workers) and cost reduction measures, the residual decorative formwork has been developed to address these issues. By reducing the use of wooden formwork and decreasing the generation of construction waste such as formwork debris, this method not only eliminates the need for formwork removal, thereby shortening construction periods, but also contributes to the improvement of the landscape. 【Benefits】 ■ Shortened construction periods and reduced work types ■ Improved safety in high-altitude work ■ Decreased construction waste ■ Reduced total costs *For more details, please refer to the related links or feel free to contact us.

• Civil Engineering Method

We would like to introduce the "Neighboring Boundary Block" handled by Oike Co., Ltd. When subdividing land for residential development, it significantly shortens construction time. We offer "H300," as well as "H400" and "H600." Please feel free to contact us when you need assistance. 【Features】 ■ Improved workability contributes to shortened construction time ■ Product length L=2000mm ■ Can accommodate longer construction extensions ■ No joint treatment required by using connection plates *For more details, please refer to the related links or feel free to contact us.

• Site boundary stone marker

We would like to introduce the "Back Wall (Reverse L-shaped Retaining Wall)" handled by Oike Co., Ltd. This retaining wall is used for effectively utilizing land with elevation differences, and we offer a lineup ranging from "H500 to H3000." Please feel free to contact us when you need assistance. 【Features】 ■ Enables effective use of land with elevation differences ■ Can accommodate non-standard product lengths and top edge slant cuts *For more details, please refer to the related links or feel free to contact us.

• Concrete Retaining Wall

A simple RC structure floor slab and foundation base that allows vehicles and pedestrians to pass safely. 1. Can be constructed without removing existing ditches, making it usable not only for agricultural and private access roads but also for store entrances! 2. Shortened construction period enables early traffic opening. 3. Various sizes can be manufactured according to the usage location. No on-site pouring is required after the slab installation! Please feel free to contact us.

• Bridge Construction

【Features】 ■ Quick installation; no on-site pouring required ■ Easy to install and remove, can be used for temporary setups ■ Vehicles can cross from any direction ■ Uneven settling on the sides is unlikely to occur ■ Standard inserts are embedded, eliminating the need for rail positioning processes

• Various blocks

The "Oil Absorbing Sheet" is a specialized adsorption sheet for oil-water separation tanks. It prevents absorbed oil from escaping, and the straw-like hollow fibers suppress oil leakage, reducing the risk of secondary disasters. Additionally, it uses natural fibers, making it easy to incinerate without releasing toxic gases, thus not burdening the incinerator and having no impact on air pollution. We also offer the "Oil Absorbing Net." 【Features】 ■ Incredible adsorption power 40 times ■ Capable of adsorbing oil mixed in water ■ Reduces labor and processing costs ■ Easy to see when it needs to be replaced ■ Does not absorb water or sink in water *For more details, please feel free to contact us.

• Safety and consumables

The "OK Connector" is a compact device for hand holes that can be installed without the use of adhesives or similar materials. It employs water-swelling non-woven fabric, achieving excellent water-stopping performance. Since sufficient water-stopping effect can be obtained with hand tightening, it significantly contributes to improved work efficiency. It is compatible with spiral-shaped FEP pipes. 【Installation Method】 (1) Insert the OK Tight onto the FEP pipe while twisting it. (2) Insert the FEP pipe into the hand hole drilling diameter. (3) From inside the hand hole, insert the OK Mouse onto the FEP pipe while twisting it. (4) Tighten the OK Tight by twisting it until it firmly contacts the wall of the hand hole. *For more details, please refer to the documentation. Feel free to contact us with any inquiries.

• Piping and electrical wiring materials
• others

The "Common Duct for Electric Wires (CCBOX)" is a shared duct that utilizes underground space on roads to house electric wires, optical fibers, communication cables, and more. Both Special Type I and Special Type II are available in BOX structure and U-shaped structure. In addition to standard drawings and design plans, knockouts and vertical hardware can also be incorporated. 【Features】 ■ Excellent seismic resistance ■ Possible reduction of construction period through improved construction efficiency *For more details, please refer to the PDF materials or feel free to contact us.

• Gutters and U-shaped gutters

The "OK-style Rainwater Retention and Infiltration Basin" is a rainwater infiltration basin that allows rainwater and other water to permeate into the ground while maintaining the convenience of concrete, promoting the natural circulation of water in accordance with nature's principles. It can be easily installed in areas where infiltration into the ground is expected, and any clogging over time can be resolved with appropriate maintenance, making it an excellent option in terms of cost performance. 【Features】 ■ A wide variety of unit components ■ Stable infiltration effect over the long term ■ Abundant size options *For more details, please refer to the PDF document or feel free to contact us.

• Rainwater infiltration facilities

The "OK Type Oil-Water Separator" is an oil-water separation tank that separates oil and water using unique technology, designed with consideration for the natural environment and ease of maintenance. This product is made of concrete, making it strong against loads and particularly suitable for outdoor installation. It is lightweight, compact, and has excellent workability, receiving significant achievements and evaluations at gas stations and similar locations. Additionally, the separation method features a unique trap structure within the tank, allowing for natural separation and floating, which is space-saving and highly functional. 【Features】 ■ Uses a 25-ton load cast iron lid, capable of supporting large tankers without issues ■ Height adjustment is possible to match the height of the ground concrete, even when the main body is laid horizontally ■ Construction time is significantly shortened, making it economical *For more details, please refer to the PDF materials or feel free to contact us.

• Drainage and ventilation equipment

The "OK-style handhole" maintains consistent quality due to its unique technology, and with its lightweight design, it reduces construction unit costs and labor, making cost reductions in construction possible. We offer a wide range of products to accommodate various installation locations, including those for sidewalks, roadways, power, and communication, starting with those for use within facilities. 【Features】 ■ Mass production is possible because it is a factory product ■ Extensive lineup ■ Simplification of construction is possible ■ Significantly contributes to shortening construction periods *For more details, please refer to the PDF materials or feel free to contact us.

• others
• Manhole body
• Inspection hatches, manhole covers, and ditch covers

The "Bicon-made foundation block" is a foundation block that can provide solid support for everything from small-scale modules to mega solar installations. Because it is made of simple concrete, it can accommodate various module mounting materials from any manufacturer by using anchor bolts for fixation. We offer various specifications, including "hole-less type" and "hole type." 【Features】 ■ Excellent durability ■ Short delivery time available ■ Low cost ■ Improved workability *For more details, please refer to the PDF document or feel free to contact us.

• Concrete block, ALC panel, extrusion molded cement board construction

The "Free Slope Ditch" is a ditch where the drainage slope can be freely set. It comes standard with a soundproof structure and offers a wide range of options for infiltration and drainage, allowing for customization based on the installation location and application. The combination of a freely cut main body with corner blocks and dedicated covers and grates achieves both functionality and beauty. 【Features】 ■ Soundproof structure ■ Mounting part is integrally molded with the ditch body ■ Mounting shape is barrier-free ■ Soil retention type is also available *For more details, please refer to the PDF document or feel free to contact us.

• Gutters and U-shaped gutters

It cures at room temperature with a one-component type that is not found in conventional epoxy resin systems. ● One-component room temperature curing: A modified silicone epoxy resin adhesive and filler that cures at room temperature without the need for mixing. ● Excellent elasticity: Shows over 200% elongation at room temperature, absorbing external stresses (vibrations and expansion/contraction movements). ● Heat and cold resistance: Demonstrates rubber elasticity over a wide range from -30°C to 80°C. ● Broad adhesion: Adheres well to various substrates (stone, tiles, plastics, metals, concrete, etc.). * Prior confirmation is required for plastics. ● Non-contaminating: Minimal contamination to stone materials.

• glue
• Safety and consumables
• stone

It is a two-component mixed epoxy resin adhesive.

• glue
• Safety and consumables

The "OK-style stair block" has an L-shaped design, unlike traditional stacked stair blocks, allowing for customizable dimensions such as riser height, tread length, and number of steps to suit installation locations and regulations. **Features** - Riser height and tread length can be customized freely - Lightweight (50kg to 70kg) allows for manual installation - Tread boards have decorative patterns for excellent appearance - Can be installed alone on slopes *For more details, please download the PDF or feel free to contact us.*

• Concrete block, ALC panel, extrusion molded cement board construction

The "OK Wall" is a precast L-shaped retaining wall that significantly reduces construction time and labor compared to traditional cast-in-place retaining walls. Stability calculations are performed using the trial wedge method, making it suitable for use in roads and residential areas. Various options are available, including the "fence foundation integrated type," which has holes for embedding guard pipes for sidewalks at the top of the wall, and the "top slope cutting compatible type," which accommodates changes in longitudinal slope. 【Features】 ■ Reduces construction time and labor ■ Suitable for use in roads and residential areas ■ The wall surface is equipped with slits, enhancing aesthetic appeal *For more details, please refer to the PDF materials or feel free to contact us.

• Retaining wall

The "OK-style box culvert" is a small-diameter box culvert manufactured and developed by Oike Co., Ltd., which specializes in concrete secondary products. It is designed to be easy to work with using a slightly softer mortar than usual. 【Features】 ■ Comes with connection bolts and connection plates ■ Available in various dimensions *For more details, please refer to the PDF document or feel free to contact us.

• Gutters and U-shaped gutters
• others

The "OS Slit Side Ditch" is a side ditch with an integrated top plate that demonstrates high effectiveness in sites where there is a growing concern for aesthetics and a need for short construction periods. The single slit positioned in the center not only creates visual beauty but also considers safety with a minimal ditch width. There is no risk of lid damage, and it boasts excellent durability. 【Features】 ■ High drainage efficiency ■ Silent structure ■ Improved flow characteristics ■ Reduced construction time ■ Versatility *For more details, please refer to the PDF document or feel free to contact us.

• Gutters and U-shaped gutters

The "OS Box" is a box that can be used in connection with the OS side ditch body. Since it has the same external width as the OS side ditch, it does not protrude on the outside (private land side) or the inside (road side). We offer a variety of specifications. 【Features】 ■ Same external width as the OS side ditch ■ Does not protrude on the outside (private land side) or the inside (road side) ■ Reinforced with rebar, allowing for the use of knockouts (3 sides) *For more details, please refer to the PDF document or feel free to contact us.

• Gutters and U-shaped gutters

The "Apron-Equipped Pedestrian and Vehicle Boundary Block" is a bi-con block that integrates the apron section of a combined L-shaped drainage channel into the pedestrian and vehicle boundary block. This eliminates the need for concrete pouring on-site, enabling shorter construction periods, cost savings, and improved workability. It is equivalent to Shinshu Recycling Certified products using glass cullet. 【Features】 ■ Shortened construction period ■ Cost-effective ■ Improved workability ■ Bi-con manufactured *For more details, please refer to the PDF document or feel free to contact us.

• Various blocks

The "OK Type Tripot" is a type of cross-drainage ditch compatible with snow removal vehicles that has no steps and does not wobble. It prevents cracking at the junction between the U-shaped ditch and the paved road, extending the lifespan of the pavement. Thanks to the slope design, even when the pavement surface settles, the step between the U-shaped ditch and the pavement is eased by a smooth ramp. The design that covers the junctions between U-shaped ditches with steel plates significantly enhances the robustness of the ceiling section. 【Features】 ■ A lid that does not wobble due to the tripot structure ■ A plate that prevents lateral movement of the lid ■ Protective plates on both sides ■ Protrusions to prevent slipping ■ Diagonal cuts to ease the step with the road surface *For more details, please refer to the PDF document or feel free to contact us.

• Gutters and U-shaped gutters

"Bay Hall" is an assembly manhole that reduces manufacturing labor and costs due to its simple structure, while providing various benefits such as ease of construction, reliability, and prevention of subsidence. 【Features】 ■ Reliable and quick construction with bay plates ■ Reduction of total costs ■ Resin flexible socket ■ Flexible joints can be installed and shipped *For more details, please refer to the PDF document or feel free to contact us.

• Manhole body

"Bench Flume" is a product of Oike Co., Ltd., which manufactures and develops concrete secondary products. It can be installed using methods such as the OK-type pull joint (pulling with plates). We offer a wide range of products including "Joint Bench Flume," "Cross Flume," and "Curve Flume." *For more details, please refer to the PDF materials or feel free to contact us.

• Gutters and U-shaped gutters

The "Concrete Products Catalog" is the product catalog of Oike Co., Ltd., which manufactures and develops concrete secondary products. It features a variety of safe and environmentally friendly concrete products, including "Reinforced Concrete U-shaped for roadways," "Boundary Blocks for Land," and "Tri-Pot Cross Drains." [Contents (excerpt)] ■ Reinforced Concrete U-shaped ■ Boundary Blocks for Pedestrian and Vehicle Roads ■ Boundary Blocks for Pedestrian and Vehicle Roads with Apron ■ Tri-Pot Cross Drains *For more details, please refer to the PDF document or feel free to contact us.

• Gutters and U-shaped gutters
• Various blocks