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. 15, 2001
Filed:
May. 15, 2000
Christian Rasche, Bochum, DE;
Steffen Rau, Düsseldorf, DE;
Mannesmann AG, Düsseldorf, DE;
Abstract
A composite pressure vessel for storing gaseous media under pressure, having a plastic liner two neck pieces arranged in the neck region, and a winding of a fiber composite material that reinforces the liner. In the neck piece that accommodates the valve there is provided a clamping ring which can be screwed into the neck piece and has on the outer circumference a threaded section which is adjoined by a thread-free, frustoconical section. A groove is arranged between internally threaded sections of the neck piece to accommodate a sealing ring and extends radially into the neck piece. On the outside of the respective neck piece, in the region adjoining the collar, provision is made to arrange at least one bead which extends radially outward over the entire circumference.