CN1071135A - The Linerless closure that is used for carbonated beverage container - Google Patents
The Linerless closure that is used for carbonated beverage container Download PDFInfo
- Publication number
- CN1071135A CN1071135A CN 91108995 CN91108995A CN1071135A CN 1071135 A CN1071135 A CN 1071135A CN 91108995 CN91108995 CN 91108995 CN 91108995 A CN91108995 A CN 91108995A CN 1071135 A CN1071135 A CN 1071135A
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- CN
- China
- Prior art keywords
- sealing member
- container
- rib
- neck
- lid
- Prior art date
- Legal status (The legal status 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 status listed.)
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Abstract
A kind ofly be used for screwed container seal, the sealing part has the sealing ribs (6) of two parts, comprises a first (7) and a second portion (8).Two parts (7) and (8) are located to engage including the district (13) that makes joint bending, so that make when sealing member 1 is threaded onto on the container that matches, second portion (8) first (7) relatively can produce harmonious jackknife action.
Description
The present invention relates to be used for the lid of apical end screw thread vessel port, particularly the invention provides a kind of screw top closures, this screw top closures not only seals the bottle such as the carbonate liquid of soft drink, and be suitable for sealing have content, more than bar pressure or following have gas componant or require gas tight seal, such as other containers of glass or plastic container.
Screw top closures seals various containers and has used considerable time, although many screw top closures are equipped with a soft lining of independent sealing in lid inside, in production overall lid process significant advantage is arranged but, this overall lid is in the top end part location of lid, the annular end face that leans against opening engages, and rolls the formation sealing by the lip limit at its edge of opening between the open end edge of lid lip limit and container.Yet the sealing that this lid provides only is the open end edge that leans against container.
Australian patent application No. 15456/76 (on June 30th, 1976) discloses another kind of overall lid, in lid, there is an annular lip to extend from the interior top of lid, and at the endoporus place of vessel port joint, so that the open end on lip limit is rolled on the inside face that leans against hole or opening.Yet, use this lid, effective seal requires the endoporus of opening to have accurately and consistent size.In addition, if what be loaded into is aerated liquid or other gaseous liquid, gaseous tension can trend towards making chimb to become open form, thereby causes seal failure.
Australian patent application No. 14180/83 (May 5 nineteen eighty-three) has been described a kind of lid that has two inner seal structures, a kind of structure is a ringwise outside neighboring that forms the storage container open end, in the sealing of lid process, rely on the pressure that is produced leaning this outward flange sealing, another structure that is provided is the endoporus place that cylindrical lip is bonded on vessel port in making.
The applicant has submitted an international application to, application number is PCT/AU89/00256, this application has overcome above-mentioned defective of the prior art by the sealing member that a kind of container is provided, this sealing member comprises the ring seal rib that extends normally downward and inside two parts from the top of sealing member, two parts of sealing ribs comprise the first that is connected the sealing member top, first generally is the second portion of cylindric downward connection rib, and second portion radially inwardly and downwards extends from the sealing member top.Sealing member be tightened onto when wanting on the leak free container, rib itself will inwardly be folded up and form one endways and the radially outside sealing of extending of container neck.
The present invention includes some feature of the above-mentioned international application of the applicant, also comprise more key character simultaneously.
A kind of container seal that proposes according to the present invention, this container has the outside thread neck, described sealing member is to be molded as an integral body by a kind of elastoplast, and a top is arranged, one has complementary threads on the surface within it, extended skirt section, with a ring seal rib that stretches out downwards from the top, the sealing rib comprise one with the top adjacent, basically cylindrical first, and maintenance and the skirt section is adjacent or with the skirt section adjacency, and also comprise one away from the top, adjacent with the end of first, the second portion that is the frustum shape, and this part radially inwardly forms an annular free edge, the internal diameter of first equals or only slightly greater than the external diameter of container neck, sealing member is to be connected to like this on the container, promptly in lid and neck thread engaging process, the second portion that is the frustum shape will engage by the open end of neck, and turn back and lean against in the cylindrical basically first of rib, thereby form gas tight seal between container neck and sealing member, rib comprises a roughly joint between first and second parts of muscle, the ringwise basically bending district that an inside face of close rib forms.
Preferably plastics are highdensity polyethylene, low-density polyethylene or polypropylene.Be used to the occasion of steam state liquid at container, plastics must have the very low porosity to gas.
The shape and size of rib are preferably definite like this, promptly in sealing member and container threads engaging process, the free edge of rib produces distortion because of container, and before the sealing member full engagement, contact with the inside face on top, or the body structure surface adjacent with the top contact, and the rib in contiguous free edge zone, when sealing member and container full engagement, compacted between the open end of container neck and sealing member top; Or and the adjacent structure in sealing member top between compress.
Preferably the cylindrical basically first on lip limit engages at least 90 ° of angles with the second portion that is the frustum shape.Preferably the thickness of rib generally is that maximum ga(u)ge from adjacent top tapers to the minimum thickness at its annular free edge.
Here sealing member is applicable to a kind of container that has rank shape seal area of sealing, and the cylindrical basically first of sealing ribs is connected to and skirt section radially on the inside at interval top, so that determine an annular cross section space between rib and skirt section.Here the neck of container has the surface finish of a standard, and sealing ribs is close or adjacent with the skirt section from the skirt section.
Exemplary embodiments of the present invention illustrates referring now to accompanying drawing.Wherein:
Fig. 1 is one embodiment of the present of invention section drawing,
Fig. 2 is screwed into a section drawing on the container that matches for the embodiment of Fig. 1,
Fig. 3 is the section drawing of another embodiment.
Lid of the present invention is different from existing lid, and this lid comprises an extended circumferential rib 6 of top 4 inside faces from being concentric with lid 1, and this circumferential rib is in the position near skirt section 2.Ring seal rib 6 comprises the first or the root 7 that have second portion 8, and first 4 extends roughly parallelly with skirt section 2 from the top, and second portion 8 extends from the end of first 7, general inside be tapered and away from the end wall at top 4.
Can see that in Fig. 2 lid 1 is screwed on the container threads top 9 not completely shown in the accompanying drawing.Seal on the outer peripheral edges of its open end by a step 10 on the top 9 of container.Step 10 makes between the inside face in skirt section 2 of the top 9 of container and lid 1 space.When lid 1 is screwed on the container, the size of above-mentioned annular space is enough to make the second portion 8 of external fin 6 to contact with the top 9 of container, and because second portion 8 itself is turned up and leans against on the root 7, make itself and top 4 constitute whole, extend to the end surfaces of container like this from step 10, between lid 1 and container, just formed a continuous gas tight seal.Just there is no need as commonly used in this area, a sort of independent sealing member is inserted in the lid 1 before the application come airtight container.
When lid 1 connects in a manner described, the second portion 8 of sealing ribs 6 because of its towards the top 4 crooked distortion.
The specification though the bending 1 of rib 6 can not just in time meet the requirements on material and/or size from this to that lid, but, still can obtain good conformability by including an annular bending district 13 that forms by rectangular recessed joint between 7 and 8 two parts of rib.Contact is proceeded and is formed in distortion between the second portion 8 of sealing ribs 6 and internal-rib 5, internal-rib 5 effectively from the top 4 structure extend.Internal-rib 5 is not main for purposes of the invention in fact, if other element can suitably change, internal-rib 5 just can save, so under this distortion situation, end 8 touches top 4.
In case second portion 8 touches internal-rib 5(or top 4) connect the contact portion that the further sport of lid 1 compressed and clamped the second portion 8 between container head 9 and top 4.When the motion that connects lid 1 is proceeded, just trend towards compressing the free edge of the rib 6 between container and the top 4, and the first 7 of external fin 6 " drawn " tightly to container head 9, so that produce sealing closely from its terminal annular surface 11 around to stepped region 10 curved edge surfaces in container head 9.
In the most preferred embodiment in the accompanying drawings, between external fin 6 and skirt section 2, form a circular clearance 12 near top 4.This is when lid 1 is used on the container head 9, admits step 10, and makes external fin 6 can do a kind of structure setting of necessary motion.
The size of external fin 6 and the usefulness that can influence lid 1 significantly together with the design shape and its manufacturing materials of external fin 6.Not only sealing effectiveness but also plasticity, the torque of back-outing, reusability and degree of firmness all are important.For high-density polyethylene shown in the drawings, the section thickness of second portion 8 section therebetween is about 0.47 millimeter, is 0.43 millimeter at 13 places, bending district, then is 0.37 millimeter at free end.Like this, section thickness generally towards the free end of rib 6 downwards but be not to attenuate gradually equably.
Figure 3 shows that another embodiment of the present invention, it has a very little internal-rib 5, and its bending district 13 forms by a dark recessed or deep trouth, and other parts are roughly with identical shown in Fig. 1 and Fig. 2 embodiment.
The lid that is used for container can change (not shown), seals without step.Importantly, must form a failure-free with container threads at the internal diameter at skirt section place and thread size engages.Moreover first's internal diameter of sealing ribs 6 is pre and equals or be slightly larger than container neck external diameter at opening part.Gap 12 should be set at sealing ribs 6 places radially bend with some, so that when lid is used on the container, second portion 8 can be bent back in the first 7 equably.
Can be understood as for those skilled in the art, in not breaking away from spirit and scope described in the invention, can make various changes and modifications to the present invention, therefore, present embodiment can be thought illustrative and unconfined in every respect.
Claims (8)
1, a kind ofly be used to seal the sealing member that has outside thread neck container, it is characterized in that, described sealing member is to be molded as an integral body by a kind of elastoplast, and have, a top, one has complementary threads on the surface within it, extended skirt section, with a ring seal rib that stretches out downwards from the top, the sealing rib comprise one with the top adjacent, basically cylindrical first, and maintenance and the skirt section is adjacent or with the skirt section in abutting connection with and also comprise one away from the top, adjacent with the end of first, the second portion that is the frustum shape, and this part radially inwardly forms an annular free edge, the internal diameter of first equals or only slightly greater than the external diameter of container neck, sealing member is continuous like this to container, promptly in lid and neck thread engaging process, the second portion that is frustum will engage by the open end of neck, and turn back and lean against in the cylindrical basically first of rib, thereby form gas tight seal between container neck and sealing member, rib comprises a roughly joint between first and second parts of rib, the ringwise basically bending district that an inside face of close rib forms.
2, sealing member according to claim 1 is characterized in that, annular bending district is what to be formed by a concave junction roughly rectangular between first and second portion.
3, sealing member according to claim 1 is characterized in that, annular bending district is formed by the groove on the inside face that is positioned at rib at the joint between first and the second portion.
4, sealing member according to claim 1 is characterized in that, second portion is distinguished its free-ended district from one near bending on the cross section generally be tapered downwards.
5, sealing member according to claim 4 is characterized in that, described second portion generally is anisotropically tapered downwards.
6, sealing member according to claim 1, it is characterized in that, when connecting a container, the shape and size of rib are definite, like this, in sealing member and container threads engaging process, the free edge acies of rib produces distortion by container, and before the sealing member full engagement, contact with the inside face at top, or the body structure surface adjacent with the top contact, and near the rib in free edge district between the top of the open end of container neck and sealing member, or and the adjacent structure in the top of sealing member between clamped, at this moment sealing member engages with container fully.
7, sealing member described here is with reference to Fig. 1 of accompanying drawing or sealing member shown in Figure 3 basically.
8, sealing member described here and being connected of container are the connection mode shown in Figure 2 with reference to accompanying drawing basically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91108995 CN1027532C (en) | 1991-09-17 | 1991-09-17 | Linerless closure for carbonated beverage container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91108995 CN1027532C (en) | 1991-09-17 | 1991-09-17 | Linerless closure for carbonated beverage container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1071135A true CN1071135A (en) | 1993-04-21 |
| CN1027532C CN1027532C (en) | 1995-02-01 |
Family
ID=4909587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91108995 Expired - Lifetime CN1027532C (en) | 1991-09-17 | 1991-09-17 | Linerless closure for carbonated beverage container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1027532C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055664C (en) * | 1994-10-06 | 2000-08-23 | 弗郎茨·罗斯贝格 | Plastic colsure of edge rolled bottle |
| US7905820B2 (en) | 2004-09-01 | 2011-03-15 | Creanova Universal Closure Ltd. | Closure |
| CN103363505A (en) * | 2012-03-30 | 2013-10-23 | 海洋王照明科技股份有限公司 | Guide line sealing structure and lamp using same |
| CN103402878A (en) * | 2010-12-09 | 2013-11-20 | 超级帽有限公司 | Bottle neck structure and relative cap made of plastic material, particularly for water and beverages |
| CN111051208A (en) * | 2017-09-06 | 2020-04-21 | 克雷诺瓦通用密封有限公司 | Sealing cover |
| CN111148699A (en) * | 2017-08-31 | 2020-05-12 | 贝塔帕克个人股份有限公司 | Cap for a container with improved sealing |
-
1991
- 1991-09-17 CN CN 91108995 patent/CN1027532C/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055664C (en) * | 1994-10-06 | 2000-08-23 | 弗郎茨·罗斯贝格 | Plastic colsure of edge rolled bottle |
| US7905820B2 (en) | 2004-09-01 | 2011-03-15 | Creanova Universal Closure Ltd. | Closure |
| CN103402878A (en) * | 2010-12-09 | 2013-11-20 | 超级帽有限公司 | Bottle neck structure and relative cap made of plastic material, particularly for water and beverages |
| CN103363505A (en) * | 2012-03-30 | 2013-10-23 | 海洋王照明科技股份有限公司 | Guide line sealing structure and lamp using same |
| CN111148699A (en) * | 2017-08-31 | 2020-05-12 | 贝塔帕克个人股份有限公司 | Cap for a container with improved sealing |
| CN111051208A (en) * | 2017-09-06 | 2020-04-21 | 克雷诺瓦通用密封有限公司 | Sealing cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1027532C (en) | 1995-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: PRECISION VALVE(AUSTRALIA) CO., LTD. TO: CLOSED AND PACKAGING SERVICES CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Guernsey Island Applicant after: Closing and Packaging Service Co., Ltd. Co-patentee after: Rodney Malcolm Druitt Address before: New South Wales Australia Applicant before: Precision Valve Australia Pty Ltd. Co-patentee before: Rodney Malcolm Druitt |
|
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110917 Granted publication date: 19950201 |