Dispensing – Including timer – For timing dispensing period
Patent
1979-12-27
1982-06-15
Marmor, Charles A.
Dispensing
Including timer
For timing dispensing period
222326, 222334, 222644, G01F 1100
Patent
active
043346367
ABSTRACT:
Apparatus is provided for handling gasket-forming material. This material is usually supplied in tubular cartridge form and is dispensed to a screen with a porous pattern which shapes the material to the desired gasket-configuration. The material is spread on the screen and forced through to the other side where the gasket pattern is applied to an adjacent transfer surface of a transfer pad. This pad with the pattern on the transfer surface is moved to a mateable surface of a workpiece located on a support spaced from the screen. The gasket-forming material is then transferred to the mateable surface. The gasket-forming material is dispensed from the cartridge with the aid of a cartridge holder having an opening at one end to receive a spout of the cartridge and having a plunger at the other end with a plunger rod extending outwardly therefrom. A fluid-operated cylinder is aligned with the plunger rod and has a piston connected with the rod. Fluid under pressure is supplied to the blind end of the cylinder at predetermined intervals and for predetermined periods of time to move the piston and to advance the plunger in the cartridge a predetermined amount. Both the intervals and the time of operation are adjustably controlled. The fluid supplied to the blind end of the cylinder preferably is air and liquid is located in the rod end of the cylinder with this liquid being expelled into a reservoir as the piston advances in the cylinder. To return the piston and the plunger after the cartridge is emptied, air can be supplied under pressure to the fluid in the reservoir.
REFERENCES:
patent: 2692706 (1954-10-01), Wiksten
patent: 3891126 (1975-06-01), Segawa
patent: 3998365 (1976-12-01), Lethen et al.
patent: 4022269 (1977-05-01), Segawa
patent: 4067479 (1978-01-01), Moline
Gutchess, Jr. Allen D.
Marmor Charles A.
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