| 摘要 |
PURPOSE: An anti-corrosive protection cap for bolt and screwnut is provided to maintain the sealing force between a protection cap and a steel structure. CONSTITUTION: An anti-corrosive protection cap for bolt and screwnut comprises a body(210) and a sealing member(230). An anchor bolt(202) is accepted in the body. The sealing member is located in a lower outer circumference of the body and rib(220), formed in the inner circumference of the body. The sealing member completely adheres closely to the steel structure. The rib is formed along the inner circumference of the body at a regular interval. The rib comprises a screwnut fixing unit(224). A bolt fixing part(222), in which the bolt part of the anchor bolt is fixed, and the nut and bolt head of the anchor bolt are fixed to the screwnut fixing unit. The sealing member is located in order to surround the lower circumference and lower end of the body.
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