Apparatus for the testing of printing or like cylinders for oper

Details Apparatus for the testing of printing or like cylinders for oper Apparatus for the testing of printing or like cylinders for oper

1978-07-14

1980-08-12

Watkins, Donald

Measuring and testing

Miscellaneous

73432SD, 101 1, G01N 1900

Patent

active

042166764

ABSTRACT:
Apparatus for testing a printing or other roller for a printing machine has a framework in which the roller is supported in cooperation with a counter-pressure roller which is interchangeable in the framework to enable the cylinder to be tested before installation in a machine. A web is fed to the nip of the cylinder and the pressure roller over a table upon which the web may be braked by, for example, suction applied through the table. The test apparatus includes tools for treatment of the web, the treated web being withdrawn by a discharge conveyor which is driven at a greater speed than the peripheral speeds of the cylinder and the counter-pressure roller.

REFERENCES:
patent: 2076095 (1937-04-01), Rolls
patent: 2321140 (1943-06-01), Grupe
patent: 3827358 (1974-08-01), Budai
patent: 4003311 (1977-01-01), Bardin
Durrant, W. et al., Machine Printing, The Library of Printing Technology, Hastings House, Pub. N.Y., N.Y., 1973, p. 1-2.

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