WO2026037915 - PRESSURE RELIEF VALVE FOR A PACKAGING CONTAINER
National phase entry is expected:
Publication Number
WO/2026/037915
Publication Date
19.02.2026
International Application No.
PCT/EP2025/073368
International Filing Date
14.08.2025
Title **
[English]
PRESSURE RELIEF VALVE FOR A PACKAGING CONTAINER
[French]
VALVE DE DÉCOMPRESSION POUR UN RÉCIPIENT D'EMBALLAGE
Applicants **
TESA SE
Inventors
AHMAD, Fakhar Aziz
WINKLER, Tobias
Priority Data
102024207731.3
14.08.2024
DE
Application details
| Total Number of Claims/PCT | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| 译文 |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1967 | |
| EPO | Filing, Examination, Granting | 8126 | |
| Japan | Filing, Examination, Granting | 2093 | |
| South Korea | Filing, Examination, Granting | 1945 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
18,871
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Abstract[English]
The invention relates to a pressure relief valve (10) for a packaging container (1) with a base plate (11) fixed to the wall (2) of packaging container (1), which has a central valve hole (15) covering through holes (3) in the wall (2) of the packaging container (1), and with a lidding film (13) fixed to the base plate (11), wherein between base plate (11) and lidding film (13) a valve diaphragm (12) leaving a channel free is provided, which covers the valve hole (15) and lies tightly on the base plate (11) in the closing position of the pressure relief valve (10), characterized in that the lidding film (1)3 has a thickness of at least 10 μm, preferably (20) to (70) μm, the valve PE diaphragm (12) has a thickness of at least 10μm, preferably 20 to 10 μm, and the base plate (11) has a thickness of at least 100 μm, preferably 150 to 250 μm wherein as material for the lidding film (13),the valve diaphragm (12) a film made of non-stretched, monoaxial, especially in the machine direction, stretched or biaxially stretched HDPE.[French]
L'invention concerne une valve de décompression (10) pour un récipient d'emballage (1) avec une plaque de base (11) fixée à la paroi (2) du récipient d'emballage (1), qui présente un trou de valve central (15) recouvrant des trous traversants (3) dans la paroi (2) du récipient d'emballage (1), et avec un film d'operculage (13) fixé à la plaque de base (11), une membrane de valve (12) étant disposée entre la plaque de base (11) et le film d'operculage (13) de façon à laisser un canal libre, qui recouvre le trou de valve (15) et se trouve en contact étroit avec la plaque de base (11) dans la position de fermeture de la valve de décompression (10), caractérisée en ce que le film d'operculage (13) a une épaisseur d'au moins 10 µm, de préférence de 20 à 70 µm, la membrane en PE de valve (12) a une épaisseur d'au moins 10 µm, de préférence de 20 à 10 µm, et la plaque de base (11) a une épaisseur d'au moins 100 µm, de préférence de 150 à 250 µm, le film d'operculage (13) et la membrane de valve (12) étant fabriqués en un film constitué de HDPE non étiré, monoaxial, en particulier dans le sens machine, étiré ou étiré biaxialement.