Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With cutting – punching – piercing – severing – or tearing
Patent
1977-04-26
1978-04-25
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With cutting, punching, piercing, severing, or tearing
156575, 156577, 156579, 226127, 226162, B32B 3100, B44C 702
Patent
active
040861210
ABSTRACT:
A self-contained dry wall taper has a hollow elongated body for holding mastic and supports a roll of tape with tape feeding means to deliver the tape to tape applying wheels that in turn apply it to cover a joint between two wall board sections.A piston is slidably mounted in the hollow body and is automatically moved by a mechanism actuated by the rotating wheels, as they are moved over the wall board surface, to force a layer of mastic onto the tape just prior to it being applied to the surface. Novel tape feeding and tape cutting means are actuated by a single sleeve which is moved forwardly on the hollow body to initially feed the tape into engagement with the tape applying wheels and is moved rearwardly to actuate the tape-cutting mechanism for cutting the tape. A tape creasing disc can be swung into operative position by the operator when the tape is to be applied to an inner corner of a room and it is desired to provide a median crease along the length of the tape and for forcing this crease into the room corner as the mastic and tape are applied.
REFERENCES:
patent: 2502499 (1950-04-01), Ames
patent: 2815142 (1957-12-01), Ames
patent: 3260638 (1966-07-01), Hoveland
patent: 3890191 (1975-06-01), Mayer
Piper William R.
Powell William A.
Wityshyn M. G.
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