Global Patent Index - EP 4257510 A1

EP 4257510 A1 20231011 - VALVE, AND PACKAGE

Title (en)

VALVE, AND PACKAGE

Title (de)

VENTIL UND VERPACKUNG

Title (fr)

SOUPAPE ET EMBALLAGE

Publication

EP 4257510 A1 20231011 (EN)

Application

EP 22167471 A 20220408

Priority

EP 22167471 A 20220408

Abstract (en)

According to an aspect of the present invention, a pressure-relief valve is provided, the valve comprising a main body (1) equipped to be fastened to a flexible package material. The main body having at least one through hole (14) forming a passage through the main body. A valve membrane (2) lies, on a package side, against the main body in a region around the hole (14), and a sealing liquid between the main body (1) and the valve membrane (2). The valve comprises a water-soluble polymer, meaning that at least one component of the valve, for example the main body (1) ,is made of a polymer composition that comprises a water-soluble polymer.

IPC 8 full level

B65D 77/22 (2006.01); B65D 65/46 (2006.01)

CPC (source: EP)

B65D 65/466 (2013.01); B65D 77/225 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4257510 A1 20231011; WO 2023194452 A1 20231012

DOCDB simple family (application)

EP 22167471 A 20220408; EP 2023058971 W 20230405