Coating processes – Application to opposite sides of sheet – web – or strip – Roller applicator utilized
Patent
1997-05-05
1999-07-06
Pianalto, Bernard
Coating processes
Application to opposite sides of sheet, web, or strip
Roller applicator utilized
427172, 427178, 427209, 427223, 156229, 156322, 156324, B05D 100
Patent
active
059195177
ABSTRACT:
A method and apparatus for extrusion coating both sides of a metal strip. A metal strip, such as aluminum alloy strip, is moved through a pre-conditioner, two extrusion dies, a post-heater and a cooling system. Both sides of the strip are coated with thin coatings of thermoplastic polymers. The coated metal strip is useful for containers, such as cans and can ends, as well as for automobiles, appliances, aerospace, construction and electrical devices.
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Thakrar et al., Development of a Dual Extrusion Die, Soc. Plast. Eng., Technical Paper, Vol. 21, pp. 366-369, (1975) (No month avail).
Armfield Dawn A.
Downard Vincent J.
Fournier Paul H.
Kapustay, Jr. John B.
Larsen Robert B.
Aluminum Company of America
Brownlee David W.
Levine Edward L.
Pianalto Bernard
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