Title:
DEVICE FOR REMOVING OIL INSIDE OF PIPE AND METHOD THEREFOR
Document Type and Number:
Japanese Patent JP3271843
Kind Code:
B2
Abstract:
PURPOSE: To provide a method and device for surely removing oil stuck to the inside of a long and narrow pipe in a short time.
CONSTITUTION: A pipe coil 2 is housed in a heating chamber, is heated to a temp. above the evaporating temp. of the oil inside of the pipe and after that, is transferred to a cooling chamber 8. At this time, a gas for discharging the oil is blown from one end of the pipe coil 2 to discharge the oil in evaporating state from another end of the pipe coil 2.
Inventors:
Hiroshi Metoki
Akira Matsushita
Seiken Sawa
Takemasa Toyoda
Akira Matsushita
Seiken Sawa
Takemasa Toyoda
Application Number:
JP35019993A
Publication Date:
April 08, 2002
Filing Date:
December 28, 1993
Export Citation:
Assignee:
Sumitomo Light Metal Industry Co., Ltd.
Daido Steel Co., Ltd.
Daido Steel Co., Ltd.
International Classes:
C21D9/08; C23G5/00; (IPC1-7): C23G5/00; C21D9/08
Domestic Patent References:
| JP1165723A |
Attorney, Agent or Firm:
Koji Ito (1 person outside)
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