Expansion anchor

Details Expansion anchor Expansion anchor

2009-05-12

2011-10-18

Estremsky, Gary (Department: 3677)

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

Having separate expander means

Sleeve type with longitudinal slot, slit, or split expanded...

C411S900000, C411S908000

Reexamination Certificate

active

08038375

ABSTRACT:
An expansion anchor comprising a tubular body, which extends along a longitudinal axis and is structured so as to have a head at one end, adapted to be engaged inside a hole obtained in a wall; the head comprising a deformable body made of a first plastic material having a predetermined mechanical rigidity, and at least one longitudinal rigid insert, which is firmly integrated in the deformable body and is made of a second plastic material having a higher mechanical rigidity than the mechanical rigidity of the plastic material of the deformable body itself.

REFERENCES:
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patent: 4572708 (1986-02-01), Fischer
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patent: 4984946 (1991-01-01), Phillips, II
patent: 5207750 (1993-05-01), Rapata
patent: 5246322 (1993-09-01), Salice
patent: 6416267 (2002-07-01), Nehl
patent: 6602034 (2003-08-01), Wakai et al.
patent: 6607087 (2003-08-01), Turnwald
patent: 6905295 (2005-06-01), Stevenson et al.

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