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:
Feb. 07, 1995
Filed:
Jun. 21, 1993
Joseph A Lane, Taunton, MA (US);
Amtrol Inc., West Warwick, RI (US);
Abstract
Expansion tanks having a pair of hollow body members. Each hollow body member has an end wall and a tubular side wall having an end portion. The end portions of the side walls are in end to end relation. There is a continuous retaining ring having a first peripheral portion and a second peripheral portion. The end portions of the side walls are united to the first peripheral portion so as to form a tank. The second peripheral portion is located interior to the first peripheral portion. There is also a flexible diaphragm in and spanning the tank and having a peripheral portion in peripheral engagement with the end portion of the side wall of one of the hollow body members. The second peripheral portion of the retaining ring engages and compressingly holds the peripheral portion of the diaphragm in peripheral engagement with the side wall.