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Patent Searching and Data


Title:
HEAT TREATMENT FURNACE AND METHOD FOR MANUFACTURING HEAT TREATMENT FURNACE
Document Type and Number:
WIPO Patent Application WO/2019/138889
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 arranged within the prescribed range of the heat treatment part include, when the conveyance rollers are divided into n number of regions in the axial direction, mi (i=1-n; mi≥0) number of conveyance rollers of an i type (i=1-n) having a position, where the magnitude of the curvature of the conveyance rollers in an axis perpendicular direction is largest, located in an i region (i=1-n). Regarding at least one of the conveyance rollers of a type in which mi is more than one, the number the conveyance rollers of said type arranged successively is less than a prescribed number.

Inventors:
YAMADA Yutaka (CORPORATION 2-56, Suda-cho, Mizuho-ku, Nagoya-sh, Aichi 30, 〒4678530, JP)
Application Number:
JP2018/047896
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; F27B9/40; 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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