Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent
1991-10-08
1992-09-15
Thomas, Alexander S.
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
277227, 277DIG6, 522120, 522153, 526329, 526331, B32B 310
Patent
active
051477025
ABSTRACT:
A seal characterized by prossessing a cushioning part formed by cross-linking a copolymer of an .alpha.-olefin with a carboxylic acid-containing vinyl monomer owing to exposure to radiation or electron beam.
REFERENCES:
patent: 3734843 (1973-05-01), Tubbs
patent: 3882005 (1975-05-01), Hoyt et al.
patent: 3892884 (1975-07-01), Garratt et al.
patent: 4453940 (1984-06-01), Aoyagi et al.
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