Patent · US Expired

Pressure control valve for a packaging container and device for attaching the pressure control valve to a material web

US7178550B2 · kind B2 · utility

8Cited by

13References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Herbert Stotkiewitz · Bietigheim-Bissingen, DE
Juergen Haak · Schwedt, DE
Thomas Fischer · Umkirch, DE

Key dates

Filing date	Aug 14, 2002
Grant date	Feb 20, 2007
Priority date	—
Expiry date	Oct 3, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/7888
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A pressure control valve for a packaging container includes a supporting body having a recess a is disposed in an axially captive fashion either by means of gluing or by means of securing projections A device for attaching the pressure control valve to a material web has a stroke die and a sealing die that cooperates with the stroke die and contains a needle holder for producing holes in the material web.

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