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Patent Searching and Data


Title:
HEAT TREATMENT FURNACE
Document Type and Number:
WIPO Patent Application WO/2013/118261
Kind Code:
A1
Abstract:
In order to improve heat transfer efficiency, this heat treatment furnace is equipped with a furnace body (10), a hearth (12), a blowing device (14), a wind-passing member (16), a heating device (18), and shelves (20). The furnace body (10) has openings (36) equipped with doors. The wind-passing member (16) has a tubular part and wind-guiding parts. The tubular part has an inlet and shelf-facing outflow ports. Wind flows in from the inlet. The shelf-facing outflow ports face the shelves (20). The wind flows out from the shelf-facing outflow ports. The wind-guiding parts are attached to the tubular part. The wind-guiding parts block a portion of the wind flowing along the inner circumferential surface of the tubular part, and guide this portion of the wind toward the shelf-facing outflow ports.

Inventors:
KAJITANI TSUYOSHI (JP)
Application Number:
JP2012/052880
Publication Date:
August 15, 2013
Filing Date:
February 08, 2012
Export Citation:
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Assignee:
SHOEI MFG CO LTD (JP)
KAJITANI TSUYOSHI (JP)
International Classes:
F27D7/04; F27B9/10; F27B9/16; F27B9/30
Foreign References:
JP2008138916A2008-06-19
JP2011007471A2011-01-13
JP2004311591A2004-11-04
JP2004257658A2004-09-16
JP2008202825A2008-09-04
JPH05172464A1993-07-09
Attorney, Agent or Firm:
SUZUE Shoji (JP)
Shoji Suzue (JP)
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Claims: