Procedure and apparatus for perforating a product in sheets and

Details Procedure and apparatus for perforating a product in sheets and Procedure and apparatus for perforating a product in sheets and

1989-03-21

1991-10-08

Yost, Frank T.

Cutting

By fluid blast and/or suction

83 53, 83938, B26F 300

Patent

active

050543490

ABSTRACT:
The invention concerns a fixed injector which sends water under pressure to a nonwoven sheet, or workpiece. The injector directs pressurized water through a perforated cylinder, which directs water through a perforated sheet onto a workpiece. This apparatus provides micro-perforation or cuts, of diverse materials, including those of plastic and supple sheets.

REFERENCES:
patent: 2862251 (1958-12-01), Kalwaites
patent: 3136649 (1964-06-01), Keahey, Jr.
patent: 3876324 (1975-04-01), Ballard
patent: 4693153 (1987-09-01), Wainwright et al.

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