Printing machine with chambered doctor blade unit

Details Printing machine with chambered doctor blade unit Printing machine with chambered doctor blade unit

1991-03-11

1992-08-25

Burr, Edgar S.

Printing

Inkers

Fountains

101350, 101351, B41F 3106

Patent

active

051409011

ABSTRACT:
To eliminate the necessity of a hose connection between a chambered doctor blade unit (1) and an ink supply unit (14), the ink supply unit and the chambered doctor blade unit are, each, formed with an ink supply duct and an ink reception duct, respectively, which, when the chambered doctor blade unit is in operative position engaged against an ink roller (3), fits against the ink supply duct; upon rotation or sliding-away of the chambered doctor blade unit (1), the fluid communication between said ducts is released, thereby permitting ready removal of the chambered doctor blade unit, for example for cleaning or servicing.

REFERENCES:
patent: 572911 (1896-12-01), Schmidt
patent: 612455 (1898-10-01), Gore
patent: 2271657 (1942-02-01), Miller
patent: 2290239 (1942-07-01), Hopson
patent: 2624598 (1953-01-01), Quinlan
patent: 2701147 (1955-02-01), Summerville
patent: 3400658 (1968-09-01), Gagliardi
patent: 3739721 (1973-06-01), Miarkowaki
patent: 4733890 (1988-03-01), Vyse
patent: 4821672 (1989-04-01), Bruno
patent: 4998474 (1991-03-01), Hauer

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