Coating processes – With winding – balling – rolling – or coiling – Metal or glass base
Patent
1994-10-31
1996-05-14
Pianalto, Bernard
Coating processes
With winding, balling, rolling, or coiling
Metal or glass base
427287, 4273881, 427428, B05D 312, B21C 4700
Patent
active
055165494
ABSTRACT:
A polyester-based coating composition capable of forming a striated pattern on a metal surface at a film thickness less than half of that of PVC plastisol films is provided by a thixotropic composition having a thix index of from about 1.5 to about 3 and comprising a hydroxy-functional polyester, a thixotropy-inducing rheologic agent and curing agent. The striated coating is applied to sheet metal in a coil coating operation by introducing the composition into a paint pan of a coil coater, transferring said composition from said paint pan to an applicator roll by rotating a pick-up roll in contact with the composition and with said applicator roll; continuously withdrawing a sheet of metal from a coil thereof and coating said sheet by contacting it with the applicator roll; curing the coating on said sheet by passing the sheet through an oven at an elevated temperature; and continuously rewinding said sheet into a coil.
Black David K.
Jasenof Kenneth E.
Lewarchik Ronald J.
Stumpfl Douglas A.
Didrick Robert M.
Morton International Inc.
Pianalto Bernard
White Gerald K.
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