LT2018033A - Plastic screw closure - Google Patents
Plastic screw closureInfo
- Publication number
- LT2018033A LT2018033A LT2018033A LT2018033A LT2018033A LT 2018033 A LT2018033 A LT 2018033A LT 2018033 A LT2018033 A LT 2018033A LT 2018033 A LT2018033 A LT 2018033A LT 2018033 A LT2018033 A LT 2018033A
- Authority
- LT
- Lithuania
- Prior art keywords
- microhole
- top wall
- washer
- gases
- sealing washer
- Prior art date
Links
Landscapes
- Closures For Containers (AREA)
Abstract
The invention relates to a screw closure for tight closing of containers, in particular bottles filled in with carbonated beverages. A plastic screw closure (1) comprises a circular top wall (5) with a flat bottom, circular sides with an internal thread (3) and resting upon the bottom of the top wall (5) elastic sealing washer (7) which has at least one microhole (8) which is permeable to evolved from the beverages gases when a contact pressure of the gases under the washer (7) exceeds a maximum allowable pressure. A thickness and elasticity of the washer (7) is chosen in such a way that incase of exceeding of internal pressure around the microhole (8) a distorted region would have developed. The top wall (5) of the closure (1) above the microhole (8) of the sealing washer (7) has a central hole (11) a diameter of which is roughly equal to the area of the distorted region of the sealing washer (7) at the time of exhaust of the gases through the microhole (8) to the environment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LT2018033A LT6736B (en) | 2018-11-07 | 2018-11-07 | Plastic screw closure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LT2018033A LT6736B (en) | 2018-11-07 | 2018-11-07 | Plastic screw closure |
Publications (2)
Publication Number | Publication Date |
---|---|
LT2018033A true LT2018033A (en) | 2020-05-11 |
LT6736B LT6736B (en) | 2020-06-10 |
Family
ID=70610631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
LT2018033A LT6736B (en) | 2018-11-07 | 2018-11-07 | Plastic screw closure |
Country Status (1)
Country | Link |
---|---|
LT (1) | LT6736B (en) |
-
2018
- 2018-11-07 LT LT2018033A patent/LT6736B/en unknown
Also Published As
Publication number | Publication date |
---|---|
LT6736B (en) | 2020-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB1A | Patent application published |
Effective date: 20200511 |
|
FG9A | Patent granted |
Effective date: 20200610 |