B - Operations – Transporting – 26 – F
Patent
B - Operations, Transporting
26
F
B26F 1/32 (2006.01) B21D 31/02 (2006.01)
Patent
CA 2058307
A method and hand powered tool for forming openings in metal wall-studs thereby to receive electrical cables, which can be easily pulled through these openings. The tool comprises pyramid-shaped piercer attached to a jaw which is pivotally connected to a handle having affixed hollow die. The piercer, pushed into stud's wall by lever, forms in the stud an opening having guiding tabs shaped from material displaced from the area of said opening.
Na
Textron Innovations Inc.
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