Printability tester
    1.
    发明授权
    Printability tester 失效
    可打印测试仪

    公开(公告)号:US3605615A

    公开(公告)日:1971-09-20

    申请号:US3605615D

    申请日:1969-06-25

    Applicant: HUCK WILLIAM F

    Inventor: HUCK WILLIAM F

    CPC classification number: B41F9/04 B41P2217/15

    Abstract: A MACHINE FOR TESTING THE PRINTABILITY OF PAPERS, INKS AND PRINTING PATTERNS, ESPECIALLY IN GRAVURE PRINTING, WHEREIN A ROTATING IMPRESSION ROLL IS DISPLACEABLE TO PRESS A LOOPED PAPER SAMPLE BRIEFLY AGAINST A ROTATING PRINTING CYLINDER SO AS TO IMPRINT A SINGLE PATTERN ON THE SAMPLE, IS PROVIDED WITH AN ECCENTRIC SLEEVE MOUNTING FOR THE IMPRESSION ROLL SHAFT AND WITH ACTUATING AND CONTROL MECHANISMS WHICH ACT UPON THE SLEEVE TO DISPLACE THE ROLL IN PRECISE, SPEED-INDEPENDENT RELATIONSHIP TO THE ROTATIONAL POSITION OF THE PATTERN TO BE TEST PRINTED. THE SLEEVE MOUNTING PROVIDES FOR PRECISE ADJUSTMENT OF THE IMPRESSION ROLL PRESSURE. A FORCE-LIMITING COUPLING PROTECTS AGAINST PRESSURE OVERLOADS. CONTROLS ASSURE A SINGLE IMPRINT IRRESPECTIVE OF THE MOMENT OR THE DURATION OF MANUAL INITIATION OF A PRINTING TEST.

Patent Agency Ranking