Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1978-06-06
1980-07-22
Cannon, J. C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
156221, 15624424, 15624411, 156246, 264176R, 264231, 2642101, 428412, 428476, 428483, 428509, 428510, 428516, 428519, 428521, B32B 2708, B32B 2732, B32B 3126
Patent
active
042140307
ABSTRACT:
A sheet of a crosslinkable polymer of ethylene having a melt index of at least 1.5 is supported by a sheet of a polymer having a melt index of 0.9 or less. The support sheet provides support for the sheet of the crosslinkable polymer of ethylene during a thermoforming operation.
REFERENCES:
patent: 3876613 (1975-04-01), Needham et al.
patent: 3989787 (1976-11-01), Scott et al.
Harder Joseph R.
Rakes James L.
Cannon J. C.
Phillips Petroleum Company
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