SF Three-proofing Expansion Joints

SF three-proofing expansion joint is also called finger expansion joint.It plays a important role in Bridge Expansion Joints field.It is widely used in China.This type of expansion joint mainly comprises of elastomeric strip fixed on and connects with two sides of joint and the whole fo finger shape plate and anchor device .The finger shape plate consisits of fixed finger shape plate and moving finger shaple plate that can fit together with racks .The fixed plate and moving plate connect to birdge deck by anchor parts .And the movement of moving finger shape palte achieves the estension and contraction of this type joints without longitudinal transition clearance.J.S.Brown has many years of experience in this field.Due to high quality,It has been exported to many countries.