Cutting guide tool for fabrication of air duct transitions and m

Details Cutting guide tool for fabrication of air duct transitions and m Cutting guide tool for fabrication of air duct transitions and m

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

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