LT2018033A - Plastic screw closure - Google Patents

Plastic screw closure

Info

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
Application number
LT2018033A
Other languages
Lithuanian (lt)
Other versions
LT6736B (en
Inventor
Romualdas DARAÅ KA
Original Assignee
Romualdas DARAÅ KA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Romualdas DARAÅ KA filed Critical Romualdas DARAÅ KA
Priority to LT2018033A priority Critical patent/LT6736B/en
Publication of LT2018033A publication Critical patent/LT2018033A/en
Publication of LT6736B publication Critical patent/LT6736B/en

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.
LT2018033A 2018-11-07 2018-11-07 Plastic screw closure LT6736B (en)

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)

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