Patent · US Active

Single use, disposable diaphragm valve in which the valve body and sealing membrane are welded to one another

US8720858B2 · kind B2 · utility

3Cited by

18References

8Claims

0Family size

Assignees

Inventors

Lars Böttcher · Schwarzenberg, DE
Jan SCHÄFER · Mannheim, DE
Kai-Uwe Wolpert · Assamstadt, DE
Jürgen Mayer · Munich, DE

Key dates

Filing date	Sep 2, 2009
Grant date	May 13, 2014
Priority date	—
Expiry date	Sep 17, 2029

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K31/06
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.