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:
May. 09, 1989
Filed:
Mar. 30, 1982
Applicant:
Inventors:
Hirosato Takeuchi, Tokyo, JP;
Toshio Mikiya, Tokyo, JP;
Assignee:
Nitto Kohki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24J / ;
U.S. Cl.
CPC ...
126443 ; 65DI / ; 138109 ;
Abstract
An outer glass pipe for a solar heat collector pipe includes an outer glass pipe body formed of a straight glass pipe being open at both ends and a lid member provided therein with a small diameter opening. An exhaust pipe of a small diameter is attached to the lid member to form a bottom member. The bottom member is air-tightly fixed to one open end of the outer glass pipe body on its peripheral edge to close one of the open ends.