Article of integrally-merged hard and soft polyvinyl chloride

Details Article of integrally-merged hard and soft polyvinyl chloride Article of integrally-merged hard and soft polyvinyl chloride

1985-10-04

1987-04-28

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

1562722, 428 36, 428159, 428161, 428163, 4283186, 4283193, B32B 702, B32B 704

Patent

active

046613960

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.

REFERENCES:
patent: 4278728 (1981-07-01), Honda et al.

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