Tool for applying adhesive material

Details Tool for applying adhesive material Tool for applying adhesive material

1976-01-12

1977-11-29

Reeves, Robert B.

Dispensing

With heating or cooling means

Cooling only

222394, 219230, 219421, 277205, B67D 562

Patent

active

040601803

ABSTRACT:
A tool is provided for applying adhesive material to a surface. The tool utilizes a cartridge of heat-softenable, thermoplastic material which is positioned in a chamber of the tool. Air under pressure is applied directly to a rear portion of the cartridge to urge it toward a heat block located at a forward end of the chamber. That portion of the adhesive material in contact with and adjacent the heat block is softened and flows through a central discharge passage in the block and past a check valve to a nozzle from which the softened adhesive is directed to a surface to be bonded. The heat block is designed to apply more heat to a central portion of the forward end of the cartridge than to a peripheral porton, in order to promote flow of the heat-softened material toward the discharge passage from the peripheral portion of the cartridge.

REFERENCES:
patent: 3158376 (1964-11-01), Rentschler
patent: 3277276 (1966-10-01), Nichol
patent: 3326415 (1967-06-01), Estabrooks
patent: 3545343 (1970-12-01), Orbeck
patent: 3942686 (1976-03-01), Roth
patent: 3951308 (1976-04-01), Thirtle
patent: 3960296 (1976-06-01), Nord

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