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Title:
HOT AIR CIRCULATION TYPE OVEN
Document Type and Number:
Japanese Patent JP3720784
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a hot air circulation type oven wherein inflow of hot air into a gap between an oven main body and an oven door is prevented, and attachment of sublimated matter contained in the hot air to surfaces of the oven door and the like surrounding the gap is prevented.
SOLUTION: The gap B is formed between the oven door 2 and the oven main body 1 when the oven door 2 closes an oven mouth A. For the gap, a blow-off pipe 3 and a supply pipe 4 (a purge gas introducing means) are provided for introducing purge gas that prevents inflow of inert gas (hot air) into the gap B.


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Inventors:
Shinji Minami
Application Number:
JP2002078804A
Publication Date:
November 30, 2005
Filing Date:
March 20, 2002
Export Citation:
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Assignee:
Koyo Thermo System Co., Ltd.
International Classes:
F24C1/00; B22F3/10; F24C15/02; F27B5/16; F27B17/00; F27D1/00; F27D1/18; F27D7/02; (IPC1-7): F27D7/02; F27B5/16; F27D1/00; F27D1/18
Domestic Patent References:
JP11173428A
JP2000223432A
Attorney, Agent or Firm:
Takafumi Watanabe
Hiroshi Sakamoto



 
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