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. 13, 2014
Filed:
Sep. 02, 2009
Lars Böttcher, Melsungen, DE;
Jan Schäfer, Edermünde, DE;
Kai-uwe Wolpert, Krautheim, DE;
Jürgen Mayer, Schwäbisch Hall, DE;
Lars Böttcher, Melsungen, DE;
Jan Schäfer, Edermünde, DE;
Kai-Uwe Wolpert, Krautheim, DE;
Jürgen Mayer, Schwäbisch Hall, DE;
Sartorius StedimBioteen GmbH, Goettingen, DE;
Gemue Gebr. Mueller Apparatelbau GmbH & Co. KG, Ingelfingen, DE;
Abstract
Diaphragm valve having a valve body with an inlet and an outlet, a sealing membrane, and a connecting piece connecting the sealing membrane to a pressure piece of a drive. The valve body, the sealing membrane and the connecting piece are rigidly connected together to form an interchangeable, sealed valve body unit that can be connected to the drive. The connecting piece is molded on the sealing membrane, and the valve body and the sealing membrane are welded ultrasonically to one another.