It is a separation structure of surface rubber, receiving plate (load support plate), receiving base, and anchor bolts.
DIA Free Joint (Rubber Type) is a joint that is installed perpendicular or at an angle to the bridge axis (direction of vehicle travel). It is a rubber load-supporting type with a separate structure consisting of surface rubber, a receiving plate (load-supporting plate), a receiving base, and anchor bolts. Since there is no exposure of metal (load-supporting plate) due to wear of the surface rubber, rust is less likely to occur, and there is minimal adverse effect on the joint. Additionally, by using high nut-type anchor bolts, component replacement can be done without breaking the cast concrete. The products K-40, K-50, K-80, and K-110 have flexible performance for both products and construction. K-210, K-240, and K-330 are ideal for repairing finger joints. We also offer K-530, which can accommodate wider gaps. For more details, please contact us or refer to the catalog.
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basic information
**Features** - Protects the floor slab → The receiving plate has a rubber coating on the steel plate. - Comfortable driving → The surface rubber absorbs expansion and contraction through the elastic deformation of diamond-shaped holes. - Safe driving → Steel plates that cause slipping do not appear on the surface. - Environmentally friendly → Adopts high nut type anchor bolts. - Cost-saving → Repairs can be done in a short time. - Versatile → Compatible with both pre-installation and post-installation methods. **Product Lineup** - K-40, K-50, K-80, K-110 → Both products and construction have flexible performance. - K-210, K-240, K-330 → Ideal for repairs of finger joints. - K-530 → Further accommodates wider spans. For more details, please contact us or refer to the catalog.
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Company information
The bridge expansion joint device, Dia-Free Joint, developed independently by Nihon Bridge Engineering Co., Ltd., is an ideal joint that excels in safety, durability, sound insulation, ease of construction and maintenance, and cost-effectiveness, built on over 40 years of experience and trust. We are a company that utilizes ideas and thrives on technology.
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