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:
Jul. 23, 2002
Filed:
Aug. 22, 2000
Jiesheng Jin, Zixing City, Hunan 423403, CN;
Yushi Zhou, Zixing City, Hunan 423403, CN;
Yuefang Liu, Zixing City, Hunan 423403, CN;
Chicheng Luo, Zixing City, Hunan 423403, CN;
Gengwu Li, Zixing, CN;
Jiajing Pan, Zixing, CN;
Zihan Liao, Zixing, CN;
Xiaohong Li, Zixing, CN;
Xia Li, Zixing, CN;
Youren Rui, Zixing, CN;
Shamen Ou, Zixing, CN;
Jiyao Yang, Zixing, CN;
Xijin Zhao, Zixing, CN;
Zhu Li, Zixing, CN;
Xueqin Li, Zixing, CN;
Jianmin Deng, Zixing, CN;
Other;
Abstract
An expansion joint device ( ) used for metal conduits comprises an inlet short tube ( ), an outlet short tube ( ), and a sleeve ( ). Both the opposed inside ends of the two short tubes ( ) are in the inside of the sleeve ( ) and form a compensating gap ( ) between them. A bellows member ( ), axially expansible with an external force applying on, is provided in the compensating gap ( ) formed between the opposed inside ends of the two short tubes ( ). The two ends of the bellows member ( ) are respectively connected with the inside ends of the two short tubes ( ) in sealed manner. At least one of the two ends of said sleeve ( ) is free end with respect to the two short tubes ( ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile