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GRAVURE COATING

  • US 3,817,209 A
  • Filed: 02/16/1973
  • Issued: 06/18/1974
  • Est. Priority Date: 02/16/1973
  • Status: Expired due to Term
First Claim
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1. In a gravure printing machine for coating continuous surfaces, the improvement comprising:

  • a cylindrical gravure surface having a gravure pattern, said pattern having first and second side zones, the cells in each of said side zones varying in capacity to apply coating material according to a predetermined pattern as a function of circumferential distance along the gravure surface in the direction in which the gravure surface is successively applied to the surface being coated, the positioning of said side zones along the circumference of said cylinder together with the width of said side zones being related to the circumferential distance around the surface to be coated such that the portion of the surface being coated by said first side zone will also be coated by said second side zone, said pattern in first side zone being complementary in density to said pattern in said second side zone whereby to provide substantially uniform overall coating density.

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