Method of making chisel-type cutter link

Details Method of making chisel-type cutter link Method of making chisel-type cutter link

1976-08-19

1978-06-20

Whitehead, Harold D.

Metal tools and implements, making

Blank or process

Saws

72379, B23D 6300

Patent

active

040954900

ABSTRACT:
A method of cold-forming a substantially right-angle final bend in a chisel-type saw-chain cutter link. The method involves the progressive, staged shifting of a bend, and of the inside and outside corners therein, in a cutter blank from a starting, greater-than-right-angle bend line toward an adjacent, substantially parallel, final substantially right-angle bend line. Subsequent to the making of an initial bend in a blank, the making of later shifted bends is accompanied by the flowing of material in the blank toward the region of the later-produced bends.

REFERENCES:
patent: 3154972 (1964-11-01), Neumeier et al.
patent: 3696692 (1972-10-01), Baranowski et al.
patent: 3837241 (1974-09-01), Weiss

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