B - Operations – Transporting – 25 – C
Patent
B - Operations, Transporting
25
C
B25C 1/18 (2006.01) B25C 1/04 (2006.01) B25C 7/00 (2006.01) E04D 15/04 (2006.01)
Patent
CA 2359998
A nail gun and spacer assembly for ejecting nails into a substrate which contains two or more layers of roofing materials one of which is a compressible fibrous layer. The nails penetrate the substrate but are prevented by the spacer from permanently compressing the compressible fibrous layer which springs back to is original thickness after completion of the nailing process. The spacer, attached to the base of the nail gun, is of semi-oval configuration having a pressure sensitive layer and a solid layer, is provided with an oval cavity in its center portion through which the nails are ejected into the substrate.
Chich Adem
Villela Edward C.
Building Materials Investment Corporation
Smart & Biggar
LandOfFree
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