Stock material or miscellaneous articles – Hollow or container type article – Shrinkable or shrunk
Patent
1989-10-13
1993-10-05
Lesmes, George F.
Stock material or miscellaneous articles
Hollow or container type article
Shrinkable or shrunk
428 351, 428156, 428163, 428167, 428345, 174DIG8, 138123, F16L 1102, H01R 400
Patent
active
052503321
ABSTRACT:
A heat-shrinkable envelope of crosslinked polymeric plastic material is composed of regions having different amounts of shrinkability which regions are disposed uniformly over the entire area of the envelope. The difference in the regions of shrinkability can be obtained by different amounts of crosslinking, by different geometric shapes for the two regions or a combination of both. The regions can be arranged in sandwich-like layers or can be arranged in alternately-arranged, parallel-extending bands. The regions having the lower shrinkability resist tearing and continued tearing of the regions with the high shrinkability and the region with the high shrinkability insure a proper shrinking of the envelope onto the article or material being surrounded thereby.
REFERENCES:
patent: 3542077 (1970-11-01), Muchmore
patent: 4569868 (1986-02-01), De Blauwe et al.
patent: 4803103 (1989-02-01), Pithouse et al.
patent: 4816316 (1989-03-01), Robbins, III
patent: 4952438 (1990-08-01), Kipfelsberger et al.
patent: 4957790 (1990-09-01), Warren
Heinze Volker
Kupczyk Andreas
Lesmes George F.
Nold Charles R.
RXS Schrumpftechnik Garnituren GmbH
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