Steam-replacement deaeration apparatus for use in bag packaging

Details Steam-replacement deaeration apparatus for use in bag packaging Steam-replacement deaeration apparatus for use in bag packaging

2007-12-05

2009-12-15

Desai, Hemant M (Department: 3721)

Package making

Methods

With contents treating

C053S1110RC, C053S079000, C053S407000

Reexamination Certificate

active

07631476

ABSTRACT:
Steam from a steam supply source is heated in a heating device, supplied to a nozzle through a secondary steam supply passage and injected from a spout. The temperature of steam at the outlet of the heating device is measured by a first sensor, and a cartridge heater constituting the heating device is controlled on the basis of the difference between the measured temperature and a target value. Steam temperature at the nozzle spout is measured by a second sensor, and a difference between the measured temperature and a target value is obtained. The target value of steam temperature at the heating device outlet is changed to a set value predetermined according to the magnitude of the difference obtained.

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