U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Technique for producing a pre-distorted design format for use in transfer printing

Patent 4019436 Issued on April 26, 1977. Estimated Expiration Date: Icon_subject April 26, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1217250

2166138

2202464

2748696

2842046

3701317

Inventors

Application

No. 05/696765 filed on 06/16/1976

US Classes:

101/463.1, Lithographic plate making, and processes of making or using copy elements, and elements per se101/163, Bed and platen101/170, Processes101/401.1, Blanks and processes101/41, Bed and platen101/492, Transfer or offset101/493Resilient surface

Examiners

Primary: Crowder, Clifford D.

International Class

B41F 17/00 (20060101)

Abstract

A technique for producing a pre-distorted design format on a printing plate for use in a print transfer system in which an inked design engraved on the plate is picked up by a soft transfer pad and applied to the irregular surface of an article to be decorated, the pad being forced against the surface and conforming thereto to impress the inked design thereon. In this technique, a physical master is created which is an exact replica of the article to be imprinted, the irregular surface of the master being engraved or otherwise prepared to accept ink to define the design which is to appear on the article. The design on the master is inked, and this inked design is picked up by the transfer pad and applied to the regular surface of a proof sheet, whereby the distortion in the design impressed on the proof sheet reflects the distortion introduced by transferring from the irregular to the regular surface. The desin appearing on the proof sheet is engraved on the printing plate to provide a pre-distorted format thereon which, when inked and transferred to the irregular surface of the article, produces an undistorted imprint thereon.

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