Steel rule die and method of manufacture

Details Steel rule die and method of manufacture Steel rule die and method of manufacture

1989-05-05

1991-01-01

Yost, Frank T.

Cutting

Tool or tool with support

Reciprocable type

83701, 76DIG6, 761078, B21K 520

Patent

active

049810618

ABSTRACT:
A steel rule die is disclosed having strengthening layers bonded to the die board to stiffen the die board against flexing during handling, while alleviating the tendency to loosen the steel rule during handling and enhancing the durability of the die. KEVLAR graphite fiber fabric is impregnated and bonded to either face of the die board with epoxy resin.

REFERENCES:
patent: 1701546 (1929-02-01), Shaw
patent: 3170358 (1965-02-01), Martin
patent: 3322004 (1967-05-01), Wolfe
patent: 3395598 (1968-08-01), Martin
patent: 3941039 (1976-03-01), Bishop
patent: 4052886 (1977-10-01), Buick
patent: 4509358 (1985-04-01), Krowl
patent: 4531289 (1985-07-01), Brick

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