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. 21, 2019
Filed:
Oct. 28, 2016
Noritz Corporation, Hyogo, JP;
Living Engineering Co., Ltd., Tokyo, JP;
Mirai Industry Co., Ltd., Gifu, JP;
Masaki Sugatani, Akashi, JP;
Takanori Nagano, Kakogawa, JP;
Hironao Matsunaga, Amagasaki, JP;
Takahide Hasegawa, Kakogawa, JP;
Kiyomi Kanamoto, Tokyo, JP;
Yasuhide Satoh, Tokyo, JP;
Shohei Matsuda, Ogaki, JP;
NORITZ CORPORATION, Hyogo, JP;
TOKYO GAS LIVING ENGINEERING CO., LTD., Tokyo, JP;
Mirai Industry Co., Ltd., Gifu, JP;
Abstract
An exhaust connection structure is constructed to connect a combustion apparatus and an exhaust tube having projections and recesses in an outer surface. The exhaust connection structure has a sealing member arranged on an outer circumferential surface of the exhaust tube and an exhaust joint arranged to sandwich the sealing member between the exhaust joint and the outer circumferential surface of the exhaust tube. The exhaust joint includes an engagement member and the engagement member has an annular portion and an engaging portion bent toward an inner circumference of the annular portion. The engaging portion is engaged with the projections and recesses in the exhaust tube.