Dispensing apparatus

Details Dispensing apparatus Dispensing apparatus

1981-07-20

1984-03-27

Scherbel, David A.

Dispensing

Agitator and/or ejector operating on material in either...

Mounted on or in conveyer or movable trap chamber

222263, 222288, 222334, 91217, 92 51, 92117A, 417392, G01F 1106, B65D 8854

Patent

active

044388721

ABSTRACT:
Apparatus for repeatedly dispensing measured portions of viscous substances is disclosed. The invention includes a body defining a bore within which is a sleeve defined floating measuring chamber. In the chamber is a sliding piston. Material to be dispensed is forced into the floating measuring chamber under pressure. A three-way, two-position air valve actuates the dispensing apparatus. Shifting of the air valve applies air pressure to one end of the floating measuring chamber, causing it to shift. This closes a material supply port and opens a material discharge port. The floating measuring chamber meters the flow of air to the floating piston so that the discharge velocity of the material being dispensed is controlled. At the end of the dispensing cycle, air under pressure is directed out through the material discharge port clearing it of residual material.

REFERENCES:
patent: 3216627 (1965-11-01), Best et al.
patent: 3599839 (1971-08-01), Hansen
patent: 4305531 (1981-12-01), Dooley et al.
patent: 4342634 (1982-08-01), Haasl et al.

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