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Patent Searching and Data


Title:
HEAT TREATMENT FURNACE AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/138890
Kind Code:
A1
Abstract:
This heat treatment furnace performs a heat treatment on an object to be treated. The heat treatment furnace is provided with: a heat treatment part that is provided with a space for performing a heat treatment on the object to be treated; and a plurality of conveyance rollers that are arranged in the heat treatment part and that convey the object. The conveyance rollers provided to the heat treatment part are classified into a plurality of groups on the basis of the magnitude of curvature amounts of portions, of the respective conveyance rollers, where the curvatures thereof in an axis perpendicular direction are the largest. Conveyance rollers, belonging to a group having a small average curvature amount among the classified groups, are arranged on the upstream side of the conveying direction of the heat treatment part.

Inventors:
YAMADA Yutaka (CORPORATION 2-56, Suda-cho, Mizuho-ku, Nagoya-sh, Aichi 30, 〒4678530, JP)
Application Number:
JP2018/047897
Publication Date:
July 18, 2019
Filing Date:
December 26, 2018
Export Citation:
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Assignee:
NGK INSULATORS, LTD. (2-56, Suda-cho Mizuho-ku, Nagoya-sh, Aichi 30, 〒4678530, JP)
NGK KILNTECH, CORPORATION (2-56, Suda-cho Mizuho-ku, Nagoya-sh, Aichi 30, 〒4678530, JP)
International Classes:
F27B9/24; H01M4/36
Attorney, Agent or Firm:
KAI-U PATENT LAW FIRM (NAGOYA LUCENT TOWER 9F, 6-1 Ushijima-cho, Nishi-ku, Nagoya-sh, Aichi 09, 〒4516009, JP)
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