E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
85/2, 61/46
E21D 20/02 (2006.01) E21D 21/00 (2006.01)
Patent
CA 1287989
TITLE Anchor Bolt Assembly Abstract of the Disclosure An anchor bolt assembly for securing a bolt in a bore hole is provided with supporting members for applying pressure against an area surrounding the mouth of the bore hole wherein contacting surfaces of the supporting members are provided with a coating of a latent lubricating material which becomes an active lubricant in response to heat generated as the bolt is rotated and tensioned in the bore hole.
543891
Lillis Jack W.
Unger Ronald D.
E.i. Du Pont de Nemours And Company
Lillis Jack W.
Mccallum Brooks & Co.
Unger Ronald D.
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