Cutting – By fluid blast and/or suction
Patent
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.
Smith Scott A.
Yost Frank T.
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