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:
Apr. 21, 2015
Filed:
Mar. 29, 2012
Johannes Baumann, Kuenzelsau, DE;
Christina Ripsam, Ingelfingen-Eberstal, DE;
Ralf Scheibe, Kuenzelsau, DE;
Holger Schwab, Adelsheim-Sennfeld, DE;
Johannes Baumann, Kuenzelsau, DE;
Christina Ripsam, Ingelfingen-Eberstal, DE;
Ralf Scheibe, Kuenzelsau, DE;
Holger Schwab, Adelsheim-Sennfeld, DE;
Buerkert Werke GmbH, Ingelfingen, DE;
Abstract
A membrane valve comprising a first and a second valve housing part and a membrane clamped between the valve housing parts comprises a peripherally surrounding bead on the membrane and a thin, axially movable membrane portion adjacent thereto. The bead is supported by the two valve housing parts and is provided with an undercut at a radial inner side. Further, a membrane for installation in a membrane valve is provided.