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Title:
EXHAUST DUCT FOR HOT-AIR HEATING TYPE STORAGE, AND ITS ASSEMBLING METHOD
Document Type and Number:
Japanese Patent JP3911446
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To improve assembling workability for an exhaust duct.
SOLUTION: The cylindrical body 40 of the exhaust duct 37 is formed by assembling and fixing a pair of frames 38 and 39. The first frame 38 is formed to have a U-shape by using a rear surface board 41, and a pair of right and left side surface boards 42, and flanges 43 are formed at each front end edge of each side surface board 42. The second frame 39 is formed to have a U-shape by using a front surface board 44, and a pair of right and left side flanges 45. The both side flanges 45 are respectively abutted onto the outer surfaces of the both right and left side surface boards 42, and the both flanges 43 are abutted onto the inner surface of a front surface board 44. In this state, the second frame 39 is assembled to the front side of the first frame 38. The front surface board 44 and the flanges 43 are fixed by caulking via rivets, so that the both frames 38, 39 are fixed to form the cylindrical body 40.


Inventors:
Iwamoto, Takashi
Sakai, Tadashi
Yamada, Hatsuo
Kato, Sonoo
Ishikawa, Susumu
Mizoguchi, Takehiro
Application Number:
JP2002000168995
Publication Date:
February 02, 2007
Filing Date:
June 10, 2002
Export Citation:
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Assignee:
HOSHIZAKI ELECTRIC CO LTD
International Classes:
A47J39/02; A47L15/42; A47B31/02; F26B9/00; (IPC1-7): A47J39/02; A47L15/42; F26B9/00
Attorney, Agent or Firm:
山本 喜幾