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SOFT DOCTORING CUP
申请号	CA2259689	申请日	1997-07-09	公开(公告)号	CA2259689A1	公开(公告)日	1998-01-22
申请人	MARKEM CORP;			发明人	SCHEUHING ROBERT B;
摘要	A doctoring cup (14) particularly suited for inking non-flat plates (12) includes a plate contacting edge (24) with an "Ease of Flex" parameter greater than about 0.020 lb-1. Ease of Flex is defined as 1/Mt2, where t is the thickness of the plate contacting edge (24), and M is the flexural modulus of the material from which the cup wall (18) defining the edge (24) is formed. By non-flat plates (12) is meant plates out of flat by greater than 0.0002 inches/inch. The doctoring cup (14) can be used to ink both flat and non-flat printing plates (12) using a doctoring pressure of less than about 300 psi.
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