B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
26/97
B25B 28/00 (2006.01) B25B 27/14 (2006.01) B25B 31/00 (2006.01) E04F 21/00 (2006.01)
Patent
CA 2031835
FLUID ACTUATED CORNERBEAD CRIMPING TOOL Background of the Invention This invention relates generally to a device for installing metal corner strip used in conjunction with a wallboard assembly. More particularly, this invention relates to a device for installing metal cornerstrip or cornerbead on wallboard wherein the installation device is fluid activated, preferably by air. Wallboard or sheetrock is well known and is used to provide smooth wall surfaces to the interiors of buildings. As is also well known, the corner or edge where two wallboards form a 90° angle require a metal cornerstrip to protect the wallboard corners from breakage. This metal cornerstrip comprises a flat metal sheet which is bent at an angle along the longitudinal center thereof. Typically, the flat metal sheet has spaced openings therethrough for receiving
Lallier Guy
Swabey Ogilvy Renault
LandOfFree
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