Method for manufacturing a file from a thin-walled tube

Details Method for manufacturing a file from a thin-walled tube Method for manufacturing a file from a thin-walled tube

1975-01-15

1976-02-03

Smith, Al Lawrence

Metal tools and implements, making

File cutting

Process

72370, B24B 7306

Patent

active

039357562

ABSTRACT:
A file of non-circular cross section is formed from a multiple helical pattern of teeth and then reshaping the tube internally using a shaping mandrel.

REFERENCES:
patent: 265975 (1882-10-01), Nicholson
patent: 1985158 (1934-12-01), Furler

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