End dam

Details End dam End dam

1988-06-15

1989-09-19

Hoag, Willard

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118410, B29C 104

Patent

active

048670979

ABSTRACT:
An end dam for use in a coater head which applies a coating material under pressure from a reservoir onto a web is shown to include an attachment arrangement for attaching the end dam to the coater head a first wall which prevents the lateral movement of the coating material, thereby defining one end of the reservoir, a second wall, spaced from the first wall and laterally away from the reservoir, such that a channel is formed therebetween so that coating material passing over the first wall experiences a drop in pressure sufficient to maintain the coating material within the channel.

REFERENCES:
patent: 4327662 (1982-05-01), Damrau
patent: 4396648 (1983-08-01), Holt et al.
patent: 4398494 (1983-08-01), Alheid
patent: 4426412 (1984-01-01), Gebert et al.
patent: 4440809 (1984-04-01), Vreeland
patent: 4503804 (1985-03-01), Damrau
patent: 4512279 (1985-04-01), Damrau et al.
patent: 4534309 (1985-08-01), Damrau et al.
patent: 4688516 (1987-08-01), Sommer

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