Apparatus for discharging pasty materials, particularly sealing

Details Apparatus for discharging pasty materials, particularly sealing Apparatus for discharging pasty materials, particularly sealing

1989-06-02

1991-06-25

Skaggs, H. Grant

Dispensing

With discharge assistant

Container with follower

2223865, 222334, B67D 542

Patent

active

050259598

ABSTRACT:
An apparatus for discharging pasty materials, particularly sealing materials, has a cylinder for receiving the materials and an opening for the discharge thereof, a plunger axially displaceable in the reception cylinder by means of a flowable pressure medium, a device for supplying the pressure medium in a pressure cylinder and having a valve and a device for relieving the pressure in the pressure cylinder and having a valve. The pressure cylinder is filled with a liquid serving as the pressure medium and the pressure medium supply device and the pressure relief device are located in the liquid line. The liquid serving as the pressure medium can in particular be an oil. For producing the liquid or hydrostatic pressure the apparatus can have a pressure pump, such as e.g. a hydrostatic pressure pump, which is preferably spatially separated from the discharging apparatus and is connected to the latter by means of a hydrostatic pressure line. The pressure cylinder of the apparatus can in particular be constituted by a gas spring pressure cylinder. The part of the gas spring normally filled with gas is filled with the liquid and the gas spring push rod acts mechanically on the discharging apparatus plunger.

REFERENCES:
patent: 923550 (1909-06-01), Mikorey
patent: 1878115 (1932-09-01), DeCosse
patent: 2593362 (1952-04-01), Taylor
patent: 3199511 (1965-08-01), Kulick
patent: 3651994 (1972-03-01), Nordenholt
patent: 3983947 (1976-10-01), Wills et al.
patent: 4334636 (1982-06-01), Paul
patent: 4826050 (1989-05-01), Murphy et al.

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