B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
18/111, 101/121
B32B 5/24 (2006.01) B41N 10/04 (2006.01) D06N 7/00 (2006.01)
Patent
CA 1094269
Applicant: Eric W. Thomas and Thomas J. Maistros Title: PRINTING BLANKET AND METHOD OF MANUFACTURE ABSTRACT OF THE DISCLOSURE The present invention provides an improvement in the manufacture of laminates containing a rubber surface and particularly to a method of preparing printing blankets for the printing industry wherein the top or printing layer comprises a substantially void-free fluoroelastomer. The improved method of preparing the printing blankets of the invention comprises preparing a composite of a fibrous or pressure sensitive adhesive backing material; a layer of a foamable and cross-linkable elastomeric material over the backing material; a second fibrous material over the layer of foamable material; a top layer of a non-foamable cross-linkable elasto- meric material over said second layer of fibrous material; and molding the composite at an elevated temperature under pressure. The improved process of the present invention provides a compressible printing blanket having a top layer surface which not only is substantially void free but also is substantially free of surface irregularities.
279213
Maistros Thomas J.
Thomas Eric W.
Industrial Electronic Rubber Company
Swabey Ogilvy Renault
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