SIDE PART HEATING STRUCTURE FOR LOW-TEMPERATURE UNDERGROUND TANK

Title:

SIDE PART HEATING STRUCTURE FOR LOW-TEMPERATURE UNDERGROUND TANK

Document Type and Number:

Japanese Patent JP3251360

Kind Code:

B2

Abstract:

PURPOSE: To heat the periphery of a low-temperature underground tank efficiently with the optimum quantity of heat. CONSTITUTION: Plural heater pipelines 4 with the axes thereof placed vertically are buried at specified spaces apart in such a way as to surround the outer periphery of a tank 3. On the ground surface, a field control panel 5 is fitted to the upper end part of each heater pipeline 4. The heater pipeline 4 is of double-pipe structure formed of an inner pipe for fixing an electric heating wire 6, and an outer pipe for protecting the heating wire 6. The inner pipe is removably inserted with play in the outer pipe.

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Inventors:

Hisao Terayama
Yoshihide Sengoku
Reshi Teranishi

Application Number:

JP1008693A

Publication Date:

January 28, 2002

Filing Date:

January 25, 1993

Export Citation:

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Assignee:

Taisei Corporation

International Classes:

E04H7/02; (IPC1-7): E04H7/02

Domestic Patent References:

JP5638990U

Attorney, Agent or Firm:

Tetsuya Mori (2 others)

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