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Apparatus and method for printing multi-color images onto cylindrical body

  • US 5,970,865 A
  • Filed: 02/20/1998
  • Issued: 10/26/1999
  • Est. Priority Date: 02/26/1997
  • Status: Expired due to Fees
First Claim
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1. A method for performing multi-color printing on a cylindrical body, comprising the steps of:

  • adhering a first color of ink onto an outer peripheral surface of the cylindrical body, including,holding the cylindrical body on a mandrel by inserting said cylindrical body over said mandrel,applying to said cylindrical body the first color of ink from a blanket disposed about a blanket cylinder by,contacting at a contact portion the cylindrical body to the blanket which has said first color ink thereon,rotating the blanket and blanket cylinder in a predetermined direction about an axis of said blanket cylinder,rotating the mandrel and the cylindrical body in another direction opposite to said predetermined direction and about an axis of said mandrel, andmoving said mandrel and said cylindrical body along an arc that follows a periphery of said blanket cylinder such that a relative motion is zero at said contact portion between said cylindrical body and said blanket;

    drying the first color of ink; and

    repeating said adhering and drying steps for another color of ink applied by another blanket and another blanket cylinder.

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