Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1980-09-22
1982-10-05
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156 85, 15624413, 15624414, 15624417, 15624424, 53403, 53405, 53442, 53452, 53479, 428 35, 428 36, 428516, B29C 2702, B29D 2304, B32B 3128
Patent
active
043527027
ABSTRACT:
The high temperature strength of a heat seal which bonds irradiatively cross-linkable thermoplastic materials together to form a receptacle can be significantly improved by irradiating the receptacle after the seal has been formed. This technique is especially effective for improving the high temperature seal strength of packaging film laminates such as those having a layer of an olefin homopolymer or copolymer and a layer of hydrolyzed ethylene-vinyl acetate copolymer.
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patent: 2936261 (1960-05-01), Cole
patent: 2997419 (1961-08-01), Lawton
patent: 3648834 (1972-03-01), Gifford et al.
patent: 4044187 (1977-08-01), Kremkau
patent: 4064296 (1977-12-01), Bornstein et al.
patent: 4104404 (1978-08-01), Bieler et al.
patent: 4127688 (1978-11-01), Bieler et al.
Harps Joe
Lee, Jr. William D.
Toney John J.
W. R. Grace & Co.
Weston Caleb
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