Patent · US Active

Vacuum-tight pressure relief valve for packaging containers

US11505388B2 · kind B2 · utility

0Cited by

6References

19Claims

0Family size

Assignee

Syntegon Technology GmbH · DE

Inventors

Hans-Peter Stadel · Lorch, DE
Herbert Stotkiewitz · Bietigheim-Bissingen, DE
Jenny Haase · Allmersbach im Tal, DE

Key dates

Filing date	Sep 24, 2019
Grant date	Nov 22, 2022
Priority date	—
Expiry date	Sep 24, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65D77/225
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A pressure relief valve (1) comprises a main body (2), at least one through opening (51), which extends through the main body (2), a diaphragm (6), which is arranged over the at least one through opening (51), and a fluid (8), which is provided on the main body (2), the fluid (8) being arranged between the diaphragm (6) and the main body (2), the main body (2) having a first sealing region (21), a second sealing region (22) radially outside the first region, and a third sealing region (23) radially outside the second region, the regions being respectively formed as continuously closed, the at least one through opening (51) being arranged between the first sealing region (21) and the second sealing region (22), and the diaphragm (6) covering the first sealing region (21), the second sealing region (22) and the third sealing region (23).

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