Device for intermittent application of glue

Details Device for intermittent application of glue Device for intermittent application of glue

1982-12-02

1984-07-24

McIntosh, John P.

Coating apparatus

With vacuum or fluid pressure chamber

118302, 118325, 118410, B05C 502

Patent

active

044612362

ABSTRACT:
A gluing head comprises a valve which intermittently allows the delivery of glue to an ejection port for application to sheet material which moves relative to the head. The head is provided, downstream of the ejection port in the direction of relative motion, with a stepped recess and a low pressure source is coupled to the recess whereby glue threads formed upon the discontinuance of the delivery of glue to the ejection port will be drawn upwardly away from the sheet material.

REFERENCES:
patent: 3943527 (1976-03-01), Hartmann

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