Plastic and nonmetallic article shaping or treating: processes – Utilizing heat releasable stress to reshape solid workpiece
Patent
1985-08-22
1987-05-05
Simmons, David
Plastic and nonmetallic article shaping or treating: processes
Utilizing heat releasable stress to reshape solid workpiece
264342RE, 156 85, 156160, 98 4027, B29C 6102
Patent
active
046631062
ABSTRACT:
Apparatus and method for forming an elasticized portion of an article having a thermally-elasticizable strip along a marginal portion in which heated air is directed towards the strip at at least two different angles relative to the plane of the strip and at a velocity sufficient to cause oscillation of the marginal portion bearing the thermally-elasticizable strip; these conditions are maintained for a dwell time long enough to render the strip elastic when cooled to ambient conditions.
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Pomplun William S.
Popp Robert L.
Schroth Carl G.
Stevens Robert A.
Woon Paul A.
Cashion Merrell C.
Kimberly-Clark Corporation
Simmons David
Yee Paul
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