Applicator for wallboard tape

Details Applicator for wallboard tape Applicator for wallboard tape

1987-06-05

1988-10-04

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

156465, 156524, 156577, 156578, 156579, B32B 3500, B44C 704

Patent

active

047754427

ABSTRACT:
An apparatus for dispensing wallboard tape and wallboard compound is provided with a nozzle which applies the compound through a series of opposed feed channels. Each feed channel applies a bead of compound to one side of the tape as the tape passes through the nozzle in a longitudinally folded condition. Upon exiting the nozzle the tape is unfolded and the compound is uniformly extruded beneath the tape. Venting grooves extend from the feed channels to the nozzle exit to prevent clogging of the feed channels by the tape.

REFERENCES:
patent: 4220114 (1980-09-01), Radowicz
patent: 4404054 (1983-09-01), Dickson et al.
patent: 4613396 (1986-09-01), Scarborough
patent: 4689107 (1987-08-01), Entwistle

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