Device for filling a measured quantity of a flowing medium into

Details Device for filling a measured quantity of a flowing medium into Device for filling a measured quantity of a flowing medium into

1978-07-17

1981-01-06

Bartuska, F. J.

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

222207, 222214, G01F 1108

Patent

active

042431603

ABSTRACT:
A device for filling an exact quantity of a fluid into packages includes a tubular housing with inlet and outlet fittings on its ends formed with inlet and outlet valve seats. A flexible tubular sheath extends within the housing clamped in sealed relation at its opposite ends to the housing by the fittings. Inlet and outlet valves cooperate with the valve seats to admit fluid into the sheath, to discharge fluid from the sheath, and to prevent flow of fluid medium in reverse direction. A supporting body is located within the sheath and defines with the sheath at least one chamber of precise volume. The interior of the housing exposed to the sheath and the exterior of the body are substantially equal in surface area, and the exterior surface of the body has a plurality of lengthwise extending channels which cooperate with the interior of the sheath to define the chamber. An opening extends through the housing to the exterior of the sheath, and gas under pressure can enter through the opening to force the sheath against the body to expel fluid from the chamber through the outlet valve. Flexible hoses are used to supply fluid to the inlet and to supply compressed gas to the opening, allowing limited movement of the entire device.

REFERENCES:
patent: 2698703 (1955-01-01), Harvey
patent: 3062153 (1962-11-01), Losey
patent: 3253549 (1966-05-01), Vincent et al.
patent: 3388832 (1968-06-01), Stewart et al.
patent: 3568733 (1971-03-01), Lau
patent: 3757832 (1973-09-01), Waxlax
patent: 3862708 (1975-01-01), Waxlax
patent: 4106533 (1978-08-01), Herzig

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