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:
Jun. 26, 2001
Filed:
Jan. 13, 2000
Applicant:
Inventors:
Assignee:
Seiko Instruments Inc., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 2/500 ; F27D 7/06 ;
U.S. Cl.
CPC ...
G01N 2/500 ; F27D 7/06 ;
Abstract
An integral structure is formed having a downstream opening portion of the first furnace tube joined with a second cylindrical furnace tube side face. A structure is provided by a light transmissive window provided in the opening portions at respective ends of the second furnace tube, and a gas discharge section provided in at least one position in the second furnace tube side face.