Expansion peg having first and second expansion members frangibl

Details Expansion peg having first and second expansion members frangibl Expansion peg having first and second expansion members frangibl

1988-03-11

1989-09-26

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Frangible member

411 42, 411 61, F16B 1304, F16B 1306

Patent

active

048696307

ABSTRACT:
An expansion peg is provided including a tubular socket threaded at one end, and having a split and expandable portion at the other end thereof which is disposed inside the socket. A first wedge intended to come into abutment against the bottom of an anchorage hole and a second wedge detachably secured to the first wedge and intended, under the action of a striking tool, to become disengaged from the first wedge and to cooperate therewith for causing expansion of the split end of the socket, is disposed within the socket and split end portion thereof.

REFERENCES:
patent: 4002100 (1977-01-01), Bucheli
patent: 4642008 (1987-02-01), Herb
patent: 4673322 (1987-06-01), Schiefer

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