Substantially transparent printing blankets and methods for usin

Details Substantially transparent printing blankets and methods for usin Substantially transparent printing blankets and methods for usin

1997-07-01

1999-11-02

Eickholt, Eugene

Printing

Printing members

Blanks and processes

1013821, 101492, 101376, 430 14, 4302711, 430300, 430329, B41K 150

Patent

active

059749741

ABSTRACT:
Substantially transparent printing blankets are provided comprising a substantially transparent printing layer disposed upon a substantially transparent support layer. The substantial transparency of such printing blankets permits off-press introduction of knock-out areas. In certain embodiments, this is accomplished by disposing the support layer of the printing blanket adjacent to a substrate which bears either an image to be printed or some other print transfer information (such as a negative) corresponding to the image. The print transfer information then is viewed through the printing blanket to identify portions of the underlying substrate which bear information indicating that print should not appear on a corresponding portion of the coated substrate. After such portions are identified, the printing layer is removed from the support layer in those areas of the printing blanket which are adjacent to the identified portions of the substrate.

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PCT International Search Report dated Aug. 19, 1998, 5 pages.

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