Apparatus for dispensing pourable substances uniformly onto belt

Details Apparatus for dispensing pourable substances uniformly onto belt Apparatus for dispensing pourable substances uniformly onto belt

1973-10-09

1976-09-07

Tollberg, Stanley H.

Dispensing

With discharge assistant

Endless belt

277135, B60P 138

Patent

active

039790304

ABSTRACT:
An apparatus for dispensing viscous, pourable substances onto belts having highly sensitive surfaces, especially for dispensing a uniformly thick layer of polymer resins onto a steel belt. Provided for this purpose is a storage box having an open bottom, in which the bottom edge of at least one of the end walls located at right angles to the direction of travel of the belt is arranged just above the surface of the belt in such a manner that it does not contact the surface of the belt. Sealing is provided by means of flows of gas or liquid, which are directed at the gap between the bottom edge of the side wall and the surface of the belt from the outside, and whose pressure retains the viscous substance in the storage box.

REFERENCES:
patent: 2584513 (1952-02-01), Summers
patent: 2756459 (1956-07-01), Kellner
patent: 2940644 (1960-06-01), Crane
patent: 2954244 (1960-09-01), Austin

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