Cutlery – Cutting tools – With guard and/or guide
Patent
1978-05-10
1979-12-25
Peters, Jimmy C.
Cutlery
Cutting tools
With guard and/or guide
33174G, 83 32, G01B 314
Patent
active
041798082
ABSTRACT:
Tool guide for a knife-edged hand tool for use in the fabrication of an air duct transition from a sheet of fibrous material, said sheet having transversely extending folding grooves therein, for cutting from said panel a wedge-shaped piece of material of predetermined size.
REFERENCES:
patent: 2065761 (1936-12-01), Smith
patent: 2720706 (1955-10-01), Laine
patent: 2818644 (1958-01-01), Crawford
patent: 3073364 (1963-01-01), Jones
patent: 3174225 (1965-03-01), Abraham
patent: 3821849 (1974-07-01), Grinnon
patent: 3889367 (1975-06-01), Walker
Anderson W. C.
Johns-Manville Corporation
Kelly J. J.
Krone R. M.
Peters Jimmy C.
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