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US 4,283,899 AGranted
Anchor box embedded in concrete
AssigneeBridgestone Tire Company Limited
InventorMasatoshi Wakamiya
Life of this patent
Estimating the term…
Abstract
An anchor box embedded in concrete comprising a trunk body for defining a fastening bolt insertion hole, and an anchor nut held by the rear portion of the trunk body and adapted to be threadedly engaged with the fastening bolt. The fastening bolt insertion hole is terminated at a temporary connection flange for temporarily connecting the trunk body to a face plate of a concrete placing mold frame.
Claims6
An anchor box embedded in concrete comprising;
- a trunk body formed of plastic and defining a fastening bolt insertion hole, an anchor nut held through a metal washer by the rear portion of said trunk body and adapted to be threadedly engaged with said fastening bolt, a cap formed of plastic and adapted to be connected with said trunk body, said cap having a hole for holding said anchor nut against rotation and detachably threaded with said trunk bolt, and said washer being provided at its front side with a tapered surface.
Dependencies are inferred from the claim text.