Method of perforating a texture to be sewn

Details Method of perforating a texture to be sewn Method of perforating a texture to be sewn

1985-12-20

1987-06-09

Yost, Frank T.

Cutting

Processes

Puncturing

83660, 83925CC, 310325, B26F 124, D06H 100

Patent

active

046711490

ABSTRACT:
A method is disclosed for perforating materials with a metal needle whereby the method involves the utilization of an ultrasonic vibration signal being applied to the metal needle in order to vibrate the needle in an axial direction to thereby penetrate a plurality of layered materials due to the axial vibration of the metal needle.

REFERENCES:
patent: 2445934 (1948-07-01), Bodine, Jr.
patent: 2715440 (1955-08-01), Havican et al.
patent: 3468203 (1969-09-01), Armelin et al.
patent: 3681627 (1972-08-01), Murry et al.
patent: 4041815 (1977-08-01), Davis et al.
patent: 4153080 (1979-05-01), Murray, Jr. et al.
patent: 4343111 (1982-08-01), Inoue
patent: 4391168 (1983-07-01), Gerber et al.

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