Flat products comprising at least two bonded layers
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United States of America Patent
Stats
-
Nov 11, 1986
Grant Date -
N/A
app pub date -
Aug 7, 1985
filing date -
Aug 10, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of producing strip comprising at least two material layers of different chemical composition bonded one to another, in which separate slurries of powders of different chemical compositions are formed in film-forming cellulose derivatives. Dried layers in strip form are produced from the slurries and these layers are fed, while under tension in interfacial contact, into the nip of a pair of compaction rolls to effect a mechanical bond between the layers. At least one of the strip layers may be subjected to a sintering operation prior to being fed into the nip of the compaction rolls.
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