Procedure and apparatus for perforating a product in sheets and perforated product obtained like this
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 8, 1991
Grant Date -
N/A
app pub date -
Mar 21, 1989
filing date -
Mar 21, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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