Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Production of continuous or running length
Patent
1978-12-20
1980-10-07
Lowe, James B.
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Production of continuous or running length
264145, 264154, 264504, 264571, 264DIG70, 425290, B29C 1710, B29D 702, B29C 1704
Patent
active
042268281
ABSTRACT:
The invention is a process for forming a reticulated web net oriented from a perforated film wherein the perforated film is produced by thermoforming projections or pips on an endless perforated surface and subsequently skiving the pips off flush with the film, said thermoforming, skiving and orientation all taking place in a continuous fashion.
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Hercules Incorporated
Lowe James B.
Martin III Joshua W.
Peterson James W.
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