Pattern transfer machine

Details Pattern transfer machine Pattern transfer machine

1973-04-09

1977-04-26

Burr, Edgar S.

Printing

Planographic

Copying apparatus

101228, B41L 708

Patent

active

040194337

ABSTRACT:
An improved pattern duplicating machine for transferring a printed pattern from a moving master sheet to a moving copy sheet by a pair of counter-rotating rolls mounted in yieldable pressure engagement with one another so as to form a nip therebetween, in which the master and copy sheets are guided into engagement on the surface of one of the rotating rolls prior to entry of the sheets into the nip formed between the pair of rolls. One of the rolls serves as a drive roll and engages the copy sheet over a major portion of its surface, the copy sheet being moistened with an even coating of activating fluid just prior to its engagement with the drive roll.

REFERENCES:
patent: 2243604 (1941-05-01), Parkinson
patent: 2690785 (1954-10-01), McWilliams
patent: 2859691 (1958-11-01), Heller
patent: 3049078 (1962-08-01), Smith, Jr.
patent: 3063407 (1962-11-01), Bergstein
patent: 3085617 (1963-04-01), Sorg
patent: 3139963 (1964-07-01), Nadler et al.
patent: 3177804 (1965-04-01), Koch
patent: 3280737 (1966-10-01), Huck
patent: 3306195 (1967-02-01), Cutri
patent: 3306196 (1967-02-01), Cutri
patent: 3371880 (1968-03-01), Clisham

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