A - Human Necessities – 01 – G
Patent
A - Human Necessities
01
G
144/31
A01G 23/08 (2006.01) A01G 23/087 (2006.01) B21D 53/64 (2006.01) B23P 15/40 (2006.01)
Patent
CA 1060317
Abstract of the Disclosure A tree shear blade is formed by pressing a pre-shaped flat metal plate or blank into a die shaped to turn up opposite side and rear tabs of the blank to form mounting portions of the blade and to cylindrically curve a central portion of the blank to form a cutting portion of the blade. The side and rear tabs are then welded together.
289793
Dunn James K. (iii)
Redman Andrew P.
Tucker Lee E.
LandOfFree
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