The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2020
Filed:
Jun. 13, 2016
Koyo Thermo Systems Co., Ltd., Nara, JP;
Koyo Thermo Systems Co., Ltd., Nara, JP;
Abstract
A heat treatment apparatusincludes a coolant passage defining bodyto define a coolant passageto supply a coolant to a workpiece. The coolant passage defining bodyincludes an upper memberand a lower memberas a plurality of coolant passage defining members, and is configured so that, by displacing these membersandso as to approach each other along an up-down direction Zcrossing a conveyance direction, the coolant passageis defined in a state housing the workpiece. In addition, the coolant passage defining body is configured so that, by displacing the membersanddescribed above so as to separate from each other along the up-down direction Z, the workpieceis allowed to be let into and out of the coolant passagealong the conveyance direction A