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. 04, 1990
Filed:
Feb. 23, 1989
Applicant:
Inventors:
Assignee:
Tel Sagami Limited, Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
F27B / ; F27D / ; H05B / ;
U.S. Cl.
CPC ...
219390 ; 219411 ; 118 501 ;
Abstract
A vertical type heat-treating apparatus has a process tube, disposed upright along the lengthwise direction, for receiving a target object to heat-treat it under a predetermined condition, and a heater, provided around the process tube, for heating the target object in the process tube. After heat treatment is executed with the heater disposed around the process tube, the heater is moved upward by an elevator away from the process tube for cooling down the inside of the process tube.