Delivery of adjustable quantities of materials

Details Delivery of adjustable quantities of materials Delivery of adjustable quantities of materials

1981-09-14

1984-04-24

Rolla, Joseph J.

Dispensing

With recorder, register, indicator, signal or exhibitor

Position or extent of motion indicator

222309, 604208, G01F 1102, B67D 502

Patent

active

044443358

ABSTRACT:
A delivery device and method making use of a plunger which can be controllable reciprocated within a housing to regulate the amount of material expelled from the housing. The plunger includes an adjustable stop collar which can be adjustably positioned, preferably by depressing the sides of the collar. In addition, a piston within the housing is sealably releasable from the plunger.

REFERENCES:
patent: 1569457 (1926-01-01), Carstens
patent: 2128254 (1938-08-01), Kile
patent: 2523850 (1950-10-01), Steinberg
patent: 2695023 (1954-11-01), Brown
patent: 3110310 (1963-11-01), Cislak
patent: 3248950 (1966-05-01), Pursell
patent: 3831602 (1974-08-01), Broadwin
patent: 3905521 (1975-09-01), Mead et al.
patent: 4006849 (1977-02-01), Van Vroenhoven
patent: 4074831 (1978-02-01), Roach
patent: 4141251 (1979-02-01), Oshikubo

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