Arrangement for securing a printing blanket to a cylinder

Details Arrangement for securing a printing blanket to a cylinder Arrangement for securing a printing blanket to a cylinder

1997-06-10

1998-05-12

Burr, Edgar S.

Printing

Flexible-sheet-securing devices

101376, 428909, B41F 128

Patent

active

057492980

ABSTRACT:
A metal backed printing blanket for mounting on a cylinder that includes a gap. The blanket comprises a metal base plate having top and bottom surfaces and ends which include leading and trailing edges adapted for engaging the cylinder gap. The article further comprises a compressible, elastomeric printing blanket secured to the top surface of the base plate, but not to the ends, and having an upper face adapted for contact transfer of ink to a printable substrate. In addition, the blanket is provided with an anti-slip layer upon at least a portion of the top surface of at least one end of the base plate to facilitate retention of the base plate ends within the gap during rotation of the cylinder. The anti-slip layer has a coefficient of friction that is greater than that of the base plate and a thickness sufficient to permit insertion of the base plate edges and ends into the cylinder gap. In alternate embodiments, the invention is further directed to the method of making the above-described blanket, as well as to a method of securing the blanket to a blanket cylinder in a printing press.

REFERENCES:
patent: 3802952 (1974-04-01), Gurin et al.
patent: 4817527 (1989-04-01), Wouch et al.
patent: 5131326 (1992-07-01), Wrzesinski
patent: 5178068 (1993-01-01), Jughans et al.
patent: 5357863 (1994-10-01), McLean et al.

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