Printing – Inkers – Fountains
Patent
1998-08-26
2000-07-18
Burr, Edgar
Printing
Inkers
Fountains
101154, 1013501, B41F 3102
Patent
active
060891599
ABSTRACT:
System for applying a pumpable substance (printing liquid) to running material webs, comprising a chambered doctor blade casing provided with a space for pumpable substance; an inlet and an outlet for pumpable substance; and at least two doctor blades detachably mounted on the chambered doctor blade casing, which blades bound an opening which, in operation, faces the outer circumference of a roller and which extends over the length of the chambered doctor blade casing, and the chambered doctor blade casing being sealed at its end faces by detachable seals.
The chambered doctor blade casing comprises a detachable inner trough of the chambered doctor blade, which inner trough is formed from thin plate and essentially consists of an M-shaped section which is open on one side and has inwardly bent-over feet, and a supporting construction for the inner trough of the chambered doctor blade, which comprises members for attachment to suspension members in a printing or coating machine and against which the inner trough of the chambered doctor blade abuts with a proper fit, the inner trough of the chambered doctor blade and the supporting construction being provided with openings for passing through the inlet and outlet of pumpable substance.
REFERENCES:
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patent: 5226363 (1993-07-01), Weishew
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patent: 5671673 (1997-09-01), Boose et al.
patent: 5768993 (1998-06-01), Stuart
patent: 5791248 (1998-08-01), Atkins et al.
patent: 5826509 (1998-10-01), Deneka
Burr Edgar
Chau Minh H.
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