Article of integrally-merged hard and soft polyvinyl chloride
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United States of America Patent
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-
Apr 28, 1987
Grant Date -
N/A
app pub date -
Oct 4, 1985
filing date -
Oct 30, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An article has a wall with a first, continuous region and a second, smaller region on the first region and integrally mereged with the first region thereat, both wall regions being made of PVC materials for so integrally merging by the common PVC constituent thereof in the process of forming the regions one on the other. The second wall region is preferably made harder by irradiation crosslinking after forming the regions.
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Family
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Cited Art Landscape
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