Coating apparatus – Immersion or work-confined pool type – Work-confined pool
Patent
1980-04-14
1982-05-04
McIntosh, John P.
Coating apparatus
Immersion or work-confined pool type
Work-confined pool
118413, B05C 318
Patent
active
043276628
ABSTRACT:
An improved edge or end dam assembly for an applicator for applying a coating liquid to a web of moving paper carried on a backing roll, the applicator being of the type having a chamber for receiving the coating liquid and an opening therein for directing the liquid onto the web, the opening being formed between a front wall of the chamber and a doctor blade extending from the rear of the opening to against the web, is characterized by a seal element sealed with the front wall and doctor blade in an end space therebetween and extending toward and closely adjacent but spaced from the web. The face of the seal element adjacent the paper web has a plurality of grooves extending generally parallel to the direction of movement of the web, so that coating material which seeps past the seal element and beyond the edge dam assembly enters the grooves and is moved by the web toward the doctor blade for deposit on the web. In this manner, leakage of coating material past the seal element is significantly minimized, and pressure of coating material on the web may be maintained.
REFERENCES:
patent: 907638 (1908-12-01), Page
patent: 2151968 (1939-03-01), Henderson
patent: 2525363 (1950-10-01), Luehrs
patent: 2796846 (1957-06-01), Trist
patent: 3169082 (1965-02-01), Krikorian
patent: 3252443 (1966-05-01), Growdon et al.
patent: 3980043 (1976-09-01), Pomper
Consolidated Papers Inc.
McIntosh John P.
LandOfFree
Edge dam assembly for paper coating apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Edge dam assembly for paper coating apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Edge dam assembly for paper coating apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-877141