Method and device for sealing a high pressure steamer

Details Method and device for sealing a high pressure steamer Method and device for sealing a high pressure steamer

1981-07-21

1984-01-24

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Gas or vapor

68 5E, D06B 2318

Patent

active

044267460

ABSTRACT:
A method of and device for sealing a high pressure steamer for the continuous wet heat treatment of a cloth utilizes a steamer body provided with a seal mechanism consisting of a pair of seal rubber rolls located at the cloth inlet and the cloth outlet thereof, and includes filling a gas having a density heavier than air in a cloth passage into and out of the steamer body and providing a gas body between each of the cloth inlet and the cloth outlet and the cloth passages into the steamer body with the seal rubber rolls under the same pressure as in the steamer body. A gas having a density heavier than air to be filled in the gas bodies may be replaced with air. The leakage of high temperature and high pressure steam in the steamer body through the inlet side and outlet side seal mechanisms can completely be prevented, and consequently, the seal mechanisms can be operated at the ordinary temperature without damaging the seal rubber rolls constituting the seal mechanisms.

REFERENCES:
patent: 3343378 (1967-09-01), Hayman
patent: 3349578 (1967-10-01), Greer et al.
patent: 3351348 (1967-11-01), Dupuis
patent: 4064713 (1977-12-01), Sando et al.
patent: 4262377 (1981-04-01), Sando et al.

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