Creating an expansion joint section integrated with the road! Providing driving performance that completely eliminates the perception of bridge joints.
The "Inner Joint" is a bridge expansion device that evenly distributes and absorbs the expansion and contraction of girders, thanks to the properties of a special composite material and the expansion mesh laid in between. Due to the behavior equivalent to that of asphalt, it does not create any bumps, resulting in excellent drivability without generating noise or vibration. Additionally, the special composite material has excellent adhesion to asphalt pavement, and waterproof treatment is applied with elastic sealing material in the joint gap, preventing any leakage. 【Features】 ■ Structure that evenly distributes and absorbs the expansion and contraction of girders ■ Excellent drivability with no noise or vibration ■ Waterproof treatment prevents leakage *For more details, please refer to the PDF document or feel free to contact us.
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【Specifications】 <For movable/fixed use> ■Joint width: 500 mm / 300 mm ■Standard thickness: 75 to 80 mm ■Maximum expansion and contraction: ± 15 mm ■Maximum gap: 50 mm or less ■Gap plate width: 150 mm / 100 mm ■Gap plate material: SS400 or SPCC or SPHC *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Since our establishment in 1953, we have been providing industrial rubber products and equipment. Through our road and bridge business, railway business, crane business, water stop business, seismic isolation construction business, and construction projects, we have responded to the trust of everyone in the industry. Moving forward, we will continue to utilize the technology and know-how we have cultivated over more than half a century to proactively propose technical solutions and construction methods that meet customer needs, striving to meet your expectations.
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