Self-drilling one-piece masonry anchor

E - Fixed Constructions – 04 – B

Patent

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85/23

E04B 1/49 (2006.01) F16B 13/00 (2006.01) F16B 13/04 (2006.01)

Patent

CA 1041326

SELF-DRILLING ONE-PIECE MASONRY ANCHOR Abstract of the Disclosure An expansion anchor device for use in masonry structure which is capable of drilling a hole in the structure and being set without the necessity of removal of the device from the hole. A drill tip portion with a conical upper region is interconnected to a generally cylindrical sleeve portion through a frangible wall. Helical flute grooves are formed on the outer surface of the sleeve to permit exhaust of drilled material from the hole.

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