Tank structure for hot-water supply unit

Details Tank structure for hot-water supply unit Tank structure for hot-water supply unit

1998-08-27

1999-10-26

Walberg, Teresa

Liquid heaters and vaporizers

Casings

122 131, 122 14, 122 17, 1223671, F22B 3736

Patent

active

059709235

ABSTRACT:
A tank structure of a hot-water supply unit capable of permitting tap water under a high pressure to be supplied thereto without using any safety mechanism. An inner barrel of a tank body is formed by rounding or bending a flat plate of an increased thickness by rolling and then joining both lateral ends of the plate to each other by welding. The inner barrel and an outer barrel are joined together through a joint ring of a thickness between a thickness of the inner barrel and that of the outer barrel. Thus, the tank body can be readily manufactured using any specific equipment.

REFERENCES:
patent: 1300873 (1919-04-01), Quinn
patent: 5228413 (1993-07-01), Tam

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