Process for dispensing pressurized fluent material

Details Process for dispensing pressurized fluent material Process for dispensing pressurized fluent material

1975-10-29

1978-01-10

Tollberg, Stanley H.

Dispensing

With heating or cooling means

Cooling only

B67D 562

Patent

active

040674800

ABSTRACT:
A process which comprises
A. withdrawing into a chamber a portion of expandable fluent material from a container containing a body of such material under pressure, while maintaining the withdrawn portion in said chamber under pressure and in substantially unexpanded state;
B. modifying the temperature of said withdrawn portion in said chamber while maintaining it under pressure and in substantially unexpanded state; and
C. discharging said material from said chamber in an expanded state, and a device for carrying out such process. Step (b) preferably employs electrical heating.

REFERENCES:
patent: 3644707 (1972-02-01), Costello
patent: 3722753 (1973-03-01), Miles

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