Device for compacting a flowable solid material

Details Device for compacting a flowable solid material Device for compacting a flowable solid material

2008-01-22

2008-01-22

Douglas, Steven O. (Department: 3771)

Fluent material handling, with receiver or receiver coacting mea

Processes

With material treatment

C141S071000

Reexamination Certificate

active

07320344

ABSTRACT:
A device and a method for compacting a flowable solid material have a compacting space provided with a supply opening for supplying material to be compacted to the compacting space and a discharge opening for discharging compacted material. A closure device for effecting a gastight seal of the compacting space and pressure device for creating a reduced pressure inside the compacting space in the hermetically sealed condition of the compacting space are provided. The pressure device can change the volume of the compacting space, and/or the compacting space comprises a first part for accommodating the material and a second part that can be sealed gastight from the first part by a further closure device, in which said second part the pressure can be reduced by the pressure device in the situation in which the second part is sealed gastight from the first part by the closure device.

REFERENCES:
patent: 3195586 (1965-07-01), Vogt
patent: 3260285 (1966-07-01), Vogt
patent: 3586066 (1971-06-01), Brown
patent: 3788368 (1974-01-01), Geng et al.
patent: 5711215 (1998-01-01), Sextl et al.

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