Positive feed system for wallboard tape applicators

Details Positive feed system for wallboard tape applicators Positive feed system for wallboard tape applicators

1992-02-13

1993-07-27

Bertsch, Richard A.

Pumps

Condition responsive control of pump drive motor

By control of electric or magnetic drive motor

417 53, 417234, 417900, 156575, 156578, F04B 4902, F04B 4908

Patent

active

052306089

ABSTRACT:
Wallboard compound is fed by gravity from a reservoir to the inlet of a positive displacement pump which pressurizes the compound and feeds it to a wallboard taping applicator. The pressure of the compound fed to the applicator is controlled within predetermined limits so as to provide an even and near instantaneous flow of compound to the applicator.

REFERENCES:
patent: 3007837 (1961-11-01), Goode
patent: 3707427 (1972-12-01), Erickson
patent: 4127434 (1978-11-01), Lass
patent: 4850513 (1989-07-01), Porter
patent: 4874296 (1989-10-01), Moynihan
patent: 5122038 (1992-06-01), Malkoski

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