Applicator for wallboard tape
OwnerJames A. Entwistleinventor
Life of this patent
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Abstract
Wallboard tape and compound are simultaneously dispensed through an applicator which is provided with a pressurized reservoir which acts as a fluid capacitor to ensure an even application of compound to the tape, even under intermittent and uneven tape application rates. Applicator nozzles are provided for applying the tape and compound to flat surfaces as well as to corner joints. Compound is wiped from the edges of the tape and the remaining compound is subsequently spread laterally to these wiped edge areas so that no excess compound is extruded from under the tape, thereby avoiding subsequent wiping and clean-up procedures.
Claims10
A nozzle for dispensing wallboard tape and wallboard compound, comprising:
- A casing having an internal passage formed therein for guiding said tape therethrough;
- tape creasing means provided in said casing for longitudinally folding said tape within said internal passage;
- compound feeding means communicating with said internal passage for applying said compound to said tape;
- and
- wedge means provided within said casing and disposed adjacent said passage for unfolding said tape upon exit from said casing.
Dependencies are inferred from the claim text.