CN1267622A - Container cap - Google Patents

Container cap Download PDF

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Publication number
CN1267622A
CN1267622A CN99123663A CN99123663A CN1267622A CN 1267622 A CN1267622 A CN 1267622A CN 99123663 A CN99123663 A CN 99123663A CN 99123663 A CN99123663 A CN 99123663A CN 1267622 A CN1267622 A CN 1267622A
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CN
China
Prior art keywords
cap
container
muscle
inside face
described cap
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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.)
Pending
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CN99123663A
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Chinese (zh)
Inventor
罗德尼·M·德鲁伊特
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Closures and Packaging Services Ltd
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Closures and Packaging Services Ltd
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Filing date
Publication date
Application filed by Closures and Packaging Services Ltd filed Critical Closures and Packaging Services Ltd
Publication of CN1267622A publication Critical patent/CN1267622A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0407Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0414Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck
    • B65D41/0421Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck and combined with integral sealing means contacting other surfaces of a container neck

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

A closure suitable for attachment to a container having an opening defined by an end portion of the container . The closure can be molded from a synthetic plastics material and includes a top and a skirt depending from the top . An annular sealing rib projects downwardly from an underside of the top . The rib includes a first portion which is contiguous with the top and has an inner surface which lies radially inwardly of the skirt , a second, frustoconical, portion contiguous with the first portion and extending radially inwardly, a third portion connected to the second portion and extending generally in a direction away from the top to an end distal the top , and a fourth portion connected to the third portion at or adjacent the distal end and also extending in a direction generally away from the top . The fourth portion has a thickness that is less than the third portion .

Description

Container cap
The present invention relates to be used for cap in container (including but not limited to the soda container) linerless.More particularly, relate to a kind of like this cap, it is made by synthetic plastics material, and preferably is molded as one.
US Patent 5,423,444 have introduced a kind of plastic cap that is used for container, and it comprises an external screw-thread neck, and this cap comprises a top and a negative thread skirt.This cap comprises a ring seal muscle, and it extends downwards from the following of top.Muscle comprises: one first basic is columniform part, bottom's adjacency at it and top, be positioned at skirt near; With a second portion, be back taper, it and the end abutment of the first that is positioned at the following far-end in top, and extend towards the inboard of annular free edge vertically.Cap is being screwed in the process of neck, and the second portion that is back taper cooperates with the free end of neck, turns back towards first's (being essentially cylindrical part on the muscle), forms gas tight seal at least between the outside face of cap and cap.
US Patent 5,609,263 have introduced the another kind of version of above-mentioned cap, and wherein, at the free end of the second portion of muscle one section being arranged is circular thick seal ring substantially.When cap was screwed on the neck, the size of muscle and seal ring can make when neck is screwed on the cap fully, and its free end crushing directly is attached to the seal ring on the cap top inner surface.
International Patent Application PCT/AU98/00510 (WO 99/03746) has introduced US5, another version of the cap of introducing in 423,444.In this variation, the sealed muscle of cap comprises a third part, and it is connected with second portion in its annular edge of part, and extends along the direction away from the top substantially.Third part is thick unlike second portion basically, and its length is bigger than thickness.When installing to cap on the container, third part is between the bottom at container neck and cap top.
The present invention relates to a sealed muscle structure that is used for cap, it further improved above-mentioned before the seal ability of the cap that continues of technical agency.
According to a first aspect of the invention, the present invention relates to a cap that is suitable for installing to the container that has the opening that forms by container end portion.This cap can be formed by the synthetic plastics material molding, and it comprises: a top and a skirt part in order to the supporting top; One ring seal muscle, it extends downwards from the following of top, and muscle comprises: a first, it and abuts, and comprise an inside face, this inside face is positioned at the radially inner side of skirt; One second portion is back taper, and with first's adjacency, second portion radially extends to an annular free edge inwardly; One third part, it is connected with second portion near ring edge, and basically along extending away from the direction from the top to the distal portion; With one the 4th part, it is connected with third part near distal portion, also extends along the direction away from the top, and tetrameric thickness is littler than the third part.
In a preferred embodiment, for the external diameter of container end portion, the inside face of first has an internal diameter, make when cap is installed to container top, sealed muscle cooperates with the top of said vesse, thereby at least towards the folding second portion of the inside face of the first of muscle, third and fourth part that makes muscle is in the end of container with at least between the top of cap.
In a preferred embodiment, there is a fritter in the bottom at cap top, and it extends downwards from bottom, be positioned the radially inner side of sealed muscle, thereby when being installed to cap on the container top, the more tetrameric and fritter adjacency of sealed muscle is positioned between fritter and the container top at least.
In a preferred embodiment, fritter comprises a continuous element, and it has an inside face and an outside face.The outside face of fritter also is cylindrical substantially.In another embodiment, one of inside and outside surface of fritter or all at fritter when extending away from the top, incline towards each other.The length that fritter extends downwards from the top is preferably less than the length of first's inside face of sealed muscle.The position of fritter makes preferably that its outside face is positioned at the radially inner side of sealed muscle third part outside face before the dress cap.In another embodiment, cap the fritter outside face and and the inside face of sealed muscle first between thickness can be greater than its thickness in the fritter inboard.
End with cap leak free container of the present invention comprises: a free end; One outside face (being preferably cylindrical) and an inside face (being preferably cylindrical), inside and outside surface forms a chamber.Connection between connection between free end and the inside face and free end and the outside face is preferably smooth curve, and forms the inside and outside sealing radius of hereinafter alleged container top respectively.In a preferred embodiment, when beginning to install to cap on the top, the free end of container top at first cooperates with the 4th part of sealed muscle.The relative upward movement of the 4th part makes the also relative upward movement of third part, thereby causes second portion also upwards to be pushed away.When second portion was upwards pushed away, it moved near the intersection that is formed by first and second parts, and then the inside face towards first moves.
In case in cap is installed into and has during the container end portion of sealing radius, fritter is preferably being got the effect that roughly outside pressure is provided to more tetrameric positions of sealed muscle at least, so that sealing radius in its sealing at least.In one embodiment, fritter can provide enough outside pressure, and sealed muscle is long enough also, makes the 4th part of sealed muscle or can be sealed and matched with the inside face of end, or only be sealed and matched with inside face.The degree that is sealed and matched that is appreciated that the 4th part and inner surface of container depends on a plurality of factors, comprises the wall thickness of second, third and tetrameric relative length and container end portion.
When cap was installed to container end portion, second portion preferably sealed with the container end portion outside face at least.In a preferred embodiment, third part preferably and container end portion seal near the part the free end of end near the outside face that reflects portion the outer gland sealing radius.It is found that, reduced that cap is screwed down required moment of torsion from corresponding container.
Cap preferably provides screw thread on the inside face of skirt part, in order to cooperate with respective threads on the container top outside face.Yet, become for container and cap, also may be formed with attached retaining element.This structure may comprise the snap-on element, and a muscle is arranged on the inside face of cap, correspondingly, and a groove on having on the outside face of container end portion.
The inside face of sealed muscle first is preferably cylindrical.The first of muscle comprises a reinforcement at itself and top bonded assembly near zone.Owing to comprise this part that adds thickness, the root of the second portion of muscle is by to being threaded or the skirt part medial movement of other retaining element.
In another embodiment, the first of sealed muscle is formed at the radially inner side of skirt, forms an annular space between the two.In another embodiment, the first of sealed muscle can be contiguous with skirt.
In another embodiment, when the thickness of the first of sealed muscle extends away from the container top direction on its edge, increase gradually.When installing to cap on the end, the reinforcement of first is being got increases the effect of muscle to the pressure of the outside face of container end portion.The thickness of first increases with a uniform speed on away from the length direction at top, yet, also can increase with uneven speed.The increase of first's thickness means that the inside face (if having) and the outside face of first there is no need to cylindrical accurately.In the direction away from container top, they can be respectively with respect to the inside slightly or inside and outside bevelled taper of vessel axis.
The inside face of first is being got the effect that forms a bearing, and when cap was installed to the end of container, second portion moved or folds towards bearing.Best, in installation process, second portion turns back towards first, so that it is bearing on the inside face of first.This can make second portion be bearing in more quietly on the outside face of container end portion, thereby forms better sealing with container end portion at least.
The third part of sealed muscle preferably and the ring edge adjacency of second portion, although at radial outside some distances are arranged slightly with it.Third part is preferably thick unlike second portion, and in addition, it is big that its length cans be compared to thickness most.Third part is preferably extended to the third part far-end vertically from container top.Third part preferably is cylindrical basically, and comprises a cylindrical form interior surface and cylindrical outer surface.Third part and second portion can intersect that horn shape disconnects or from the radially inner side of second portion to forming a smooth horn shape transition phase the common axis.
Leak free the 4th part preferably and the far-end adjacency of third part.The 4th part is preferably extended vertically from the end away from container.It is big that tetrameric length cans be compared to its thickness most.The 4th part preferably is cylindrical substantially, comprises a cylindrical form interior surface and a cylindrical outer surface.In a preferred embodiment, the outside face of tetrameric outside face and third part coincide.In this embodiment, because tetrameric thickness is bigger than the thickness of third part, translation radially outwards takes place from the inside face of third part in tetrameric inner periphery.In another embodiment, the outside face of tetrameric cylindrical form interior surface and third part coincide, and tetrameric outside face from the outer cylinder surface of third part translation inwardly takes place radially.
In another was implemented, tetrameric thickness changed during away from the third part remote extension when its edge.Tetrameric taper can be by allowing inside face tilt or allow outside face tilt or inside and outside surface inclines towards each other and provides towards cylindrical form interior surface towards cylindrical outer surface.When tetrameric variation in thickness, tetrameric thickness reduces with uniform speed along tetrameric length direction gradually from beginning away from third part, yet, also can reduce gradually with uneven speed.
Can come molding to form by synthetic plastics material according to cap of the present invention.Preferably cap is to be made by the polyethylene or the polypropylene of appropriate level.Preferably cap is to be made by a block of material.Yet cap can be formed by two or three parts, allows sealed muscle become with skirt top portion open form.
For the people who is familiar with this technology, clearly, under the prerequisite of the category of on do not leave, being introduced of the present invention, can carry out multiple modification to cap of the present invention.For example, cap can provide tangible rammer bar, with so that remove cap from container.The rammer bar can begin to extend from skirt by connecting a plurality of crisp bridges.
As describing among the Chinese patent No.93108524.1, its content is regarded it as reference herein, the rammer bar comprises that also one is columniform cylindrical shell and one section muscle that extends substantially in cylindrical shell.In order to provide one have in the lip of free edge, the latter with cooperate from the outward extending maintenance flange of container end portion.The comprehensive length of each section muscle be at least the rammer bar inside circumference length 50%, each section muscle gap that is separated from each other.Every section muscle can comprise one towards the upper surface and at the cap top bottom at top substantially dorsad, and the inside face of affair tool bar comprises that a plurality of free edges from the rammer bar begin to extend but are no more than the boss of the interior free edge of lip.
As describing among the Chinese patent application No.96102576.X, its content is regarded it as reference herein, upper surface of the muscle section that each extends towards the inboard of shell portion comprises: a first surface, and it and the simplified part adjacency of rammer bar, this surface is inclination to the inside downwards from the top; With a second surface, it radially extends inwardly from the terminal point of first surface, and leaning angle is substantially perpendicular to the skirt of cap.
As describing among the Chinese patent application No.95119906.4, its content is regarded it as reference herein, the rammer bar can be received on the skirt part of cap by how crisp bridge and at least one non-brittle bridging.The rammer bar also comprises: one is the groove of L type substantially, and it passes the sidewall of rammer bar, its horizontal leg just terminate near the of non-brittle bridge or below; With one weaken brittle zone, this zone extends to the bottom of rammer bar far-end fragility bridge vertically downwards always from the terminating point of horizontal leg.
When cap had screw thread on skirt part inside face, screw thread can be continuous or be made of a plurality of thread segments.If constitute by a plurality of thread segments, can the double thread section arrange, resemble that Chinese patent No.93108524.1 introduced, along helical trajectory, since first section screw thread until the top.Except that first section, every section screw thread can by two be that the end face on plane forms substantially to cap axle bevelled, they are the cap top dorsad, just, the direction of shrinking towards the mold cavity that is used for the molding cap.In this piece article, " being the surface on plane substantially " is to be used for describing approaching flat fully surface or curved surface, is flat but need only at assigned direction.Near the screw thread of the far-end of first thread segment preferably pointing to is to help mating screw thread on the cap with the added thread on the container end portion.
Basic is that flat end also can be to the theoretical radial plane inclination of the cap the end from the cap longitudinal axis to each thread segment, so that the end is to the cylindrical skirt angle that tilts, this angle is less than angulation between each theoretical planes and the skirt.
For any gas that helps may exist in the amount discharge container, can align in the thread segment gap of adjacent thread circle.Can provide a groove on the inside face of cap skirt part, this groove passes the gap of alignment along the skirt longitudinal extension.
On the intersection of first and second parts of sealed muscle, a weakened region or annular weakened region can also be arranged, with on the container of in cap being installed to Chinese patent No.91108995.0 (its content is regarded it as with reference to) herein, describing the time, the affine deformation of the relative first of help second portion.
In another aspect of this invention, the present invention includes a container, it comprises an opening that is formed by container end portion, and the end is sealed by the cap of this invention.This container can be a carbonated beverage container, preferably by polyethylene benzoic acid salt is made.
In another aspect of this invention, the present invention includes a mould that is used to form the described cap of the arbitrary claim in front.This mould can form cap with injection or rotomolding.For the people who is familiar with this technology, be appreciated that and also can adopt other suitable technique that is used to form cap.
In another aspect of this invention, the present invention includes one and be used for cap of the present invention is installed to method on the end of container, this method comprises cap is screwed to container end portion up to this step of cap airtight container.
Following description of the preferred embodiment of the present invention provides and is used as an example of the present invention, and this description is carried out with reference to figure below, wherein:
Fig. 1 is the radial section figure according to the part of passing through cap of first aspect present invention;
Fig. 2 a~2d is the radial section figure by cap part shown in Figure 1, has described the action of sealed muscle when cap connects container end portion.
Cap 10 shown in Figure 1 comprises a dome 11 and a skirt 12 that dangles.Provide a screw thread (cannot see among the figure) on the inner radial surface of skirt 12, it is used for and cap 10 is suitable for bonded assembly bottle 12 neck respective threads coupling.Although embodiment as described herein is screwed, for a person skilled in the art, expect that easily other is suitable for cap is fixed on the mode of bottle on 20.
Have a series of thin straight muscle 13 on the outside face of skirt 12.In described embodiment, thin muscle 13 ends on the circumferential narrow muscle of lower edge of skirt 12 (cannot see among the figure).
One sealed muscle 14 is provided at the bottom on the top 11 of cap 10.Muscle 14 is continuous, ringwise.From cutaway view, muscle 14 comprises four parts 15,16,17 and 18.First 15 and top 11 adjacency, in illustrated embodiment, it is included near the reinforcement of top 11 skirts 12.Be appreciated that first 15 can form along the radial inward of skirt 12, thereby can form an annular space by between.
The inside face 19 of first 15 is cylindrical basically, and second portion 16 is back tapers, and its thickness from the extendible portion of the outer edge radial inward of the lower end adjacency of first 15 is basic identical.Although the thickness shown in the figure is basic identical, can imagine, second portion 16 when its when outward flange radially extends inwardly, thickness some variation a little.
On the intersection line of first 15 and second portion, be formed with a sharp limit 21.This point limit forms a weak line between first 15 and second portion 16, its purpose will be described herein-after.The radial inner end adjacency of third part 17 and second portion 16, both intersect at curve transition district 22.Transition region 22 changes the direction of third parts 17, makes third part 17 basically along extending axially to its far-end 23 from pushing up 11.Third part 17 comprises a cylindrical form interior surface 24 and a cylindrical outer surface 25, and its thickness is basic identical.In addition, can expect that the thickness of third part 17 from transition region 22 to its far-end 23 can change a little.
The 4th part 18 of sealed muscle 14 and far-end 23 adjacency of third part 17 in an illustrated embodiment, also are to extend towards the direction away from top 11 vertically.Described the 4th part also is cylindrical basically, comprises a cylindrical form interior surface 26 and a cylindrical outer surface 27, and the cylindrical outer surface 25 of cylindrical outer surface 27 and third part 17 coincide.Because the thickness of the 4th part 18 approximately is half of thickness of third part 17, the radially translation outwardly of inside face 24 of inside face 26 third parts 17 of the 4th part 17.
The bottom on the top 11 of cap 10 comprises one along its following fritter 28 that extends downwards, is positioned at sealed muscle 14 radially inner sides.Described fritter 28 is continuous, comprises an inside face 29 and an outside face 31, and inside and outside surface tilts toward each other.Fritter 28 extends downwards from pushing up 11 beginnings, and its development length is less than the length of the inside face 19 of the first 15 of sealed muscle 14.The position of fritter 28 makes before cap 10 being affacted on the bottle 20 its outside face 31 be positioned at the radially inner side of outside face 24 of the third part 17 of sealed muscle 14.
As shown in the figure, the thickness on the top 11 of the cap 10 between the inside face 19 of the first 15 of the outside face 31 of fritter 28 and sealed muscle 14 can be greater than the thickness on the top 11 of inside face 29 inboards of fritter 28.
To comprise a neck by cap 10 leak free bottles 20, the latter comprises an end 40.In described embodiment, bottle 20 is terephthalic acid polyglycol ester (PET) bottles of one.The thickness of the end 40 of this bottle is littler than the thickness of the not re-usable PET bottle with same volume.End 40 comprises a free end 41, an outer cylinder surface 42 and an inner periphery 43, and inside face 43 forms a chamber 43a and (sees Fig. 2 a).Connection between connection between free end 41 and the inside face 43 and free end 41 and the outside face 42 on the bottle 20 shown in Fig. 2 a-2d, all forms smooth curve, and forms the inside and outside sealing radius 44,45 of the end 40 of bottle 20 respectively.Although this cap can seal the bottle of the end 40 that has shown in Fig. 2 a-2d, preferably cap 40 can seal have different end constructions (as, do not have inside and outside sealing radius, or only have in the middle of the inside and outside sealing radius one) bottle.
Shown in Fig. 2 a-2d, to be used as and to use cap and be screwed on bottle 20 the end 40, the free end 41 of end 40 cooperates with the free end of the 4th part 18, and upwards pushes away in cap 10.Because the relative upward movement of the 4th part 18, therefore, third part 17 is also upwards pushed away second portion 16.Because second portion 16 is upwards pushed away, it bends with respect to first 15 along the weak line of being determined by sharp limit 21.Can guarantee that like this second portion 16 turns back with respect to first 15 equably along the whole periphery of muscle 14.Because turning back of second portion 16, third part 17 allows at least the four part 18 to contact with end 40 in the zone near inside radius 44.Because cap is continued to be screwed on the bottle 20, second portion 16 is by the inside face 19 towards first 15 turn back (seeing Fig. 2 c).Approximately at this moment, muscle 14 also begins near fritter 28.
In case cap 10 quilts are screwed on the end 40 fully, sealed muscle is positioned between the bottom on top 11 of end 40 and cap 10.Shown in Fig. 2 d, second portion 16 has been folded, at this moment, and inside face 19 contacts of following first 15.Though second portion inward faces 19 is turned back, still push outside face 42, and be depressed on the outer gland sealing radius 45 of end 40.
After cap 10 was screwed on the bottle 20 fully, fritter 28 is effect one outside power on sealed muscle 14 also, so the part of at least the four part 18 is pressed to such an extent that be sealed and matched with the interior sealing radius 44 of end 40.In case cap 10 is screwed on the end 40 fully, from outside face 42, at outer gland sealing radius 45, at least on the part of free end 41, form sealing on the part of the inside radius 44 of free end 40 at least.
In another embodiment, fritter 28 provides enough outside power, and sealed muscle 14 has enough length, and the 4th part 18 that makes sealed muscle 14 also is sealed and matched with the inside face 43 of free end 40.Clearly, the 4th part 18 depends on multiple factor with the degree that is sealed and matched of the inside face 43 of free end 40, comprises the wall thickness of second, third and tetrameric relative length and free end 40.For example, can imagine that the 4th part only is sealed and matched with the inside face 43 of free end 40, the remainder sealing of other parts and free end 40.
For a person skilled in the art, clearly, under the prerequisite of not leaving spirit of the present invention and category, can carry out multiple variation and/or modification to shown embodiment.So, the embodiment that the present invention considered all have in all fields only be exemplary rather than as restrictive.

Claims (47)

1. cap that is suitable for installing on the container that has the opening that forms by container end portion, this cap comprises: a top and is used for the skirt part of support, top; One ring seal muscle, it extends downwards from the following of top, and muscle comprises: a first, it and abuts, and comprise an inside face, this inside face is positioned at the radially inner side of skirt; One second portion is back taper, with first's adjacency, and separates with the top by the inside face of first, and second portion radially extends to a ring edge inwardly; One third part, it is connected with second portion near ring edge, and basically along extending away from the direction from the top to the distal portion; With one the 4th part, it is connected with third part near distal portion, also extends along the direction away from the top, and tetrameric thickness is littler than the third part.
2. cap as claimed in claim 1, wherein, there is a fritter in the bottom at cap top, and it extends downwards from bottom, is positioned the radially inner side of sealed muscle.
3. cap as claimed in claim 2, wherein, fritter comprises a continuous element, it comprises an inside face and an outside face.
4. cap as claimed in claim 3, wherein, the outside face of fritter is columniform basically.
5. as arbitrary described cap in the claim 2~4, wherein, the length that cap extends from the top is less than the length of the inside face of sealed muscle first.
6. as arbitrary described cap in the claim 2~5, wherein, the position of fritter makes cap before being installed on the container, and its outside face is positioned at the radially inner side of the outside face of sealed muscle third part.
7. as arbitrary described cap in the claim 2~6, wherein, the thickness between the inside face of fritter outside face and sealed muscle first is greater than the thickness of fritter inside top.
8. as top arbitrary described cap, wherein, the first of muscle is included near the reinforcement of the skirt the top area.
9. as arbitrary described cap in the claim 1~7, wherein, the first of sealed muscle is formed at the radially inner side at skirt mansion, and making has an annular space between the two.
10. as arbitrary described cap in the claim 1~7, wherein, the first of sealed muscle and skirt are partly contiguous.
11. as the described cap of top each claim, wherein, the thickness of the first of muscle increases away from the cap top-direction gradually on its edge.
12. cap as claimed in claim 11, wherein, the length along first increases with uniform speed the thickness of first from the top.
13. as arbitrary described cap in the claim 1~10, wherein, the inside face of first is columniform basically.
14. as the described cap of top each claim, wherein, the circular edge adjacency of the third part of sealed muscle and second portion.
15. as the described cap of top each claim, wherein, third part is thick unlike second portion basically.
16. as the described cap of top each claim, wherein, the length of third part is bigger than thickness.
17. as the described cap of top each claim, wherein, third part is extended vertically from top to its far-end away from cap basically.
18. as top arbitrary described cap, wherein, third part is cylindrical basically, comprises that a cylindrical form interior surface and a cylindrical appearance exist.
19. as top arbitrary described cap, wherein, third part forms a discrete horn shape with second portion and is connected.
20. as arbitrary described cap in the claim 1~18, wherein, third part from its radially inner side to common axis to forming a smooth horn shape transition.
21. as the described cap of top each claim, wherein, the 4th part of sealed muscle and the far-end adjacency of third part.
22. as the described cap of top each claim, wherein, the 4th part along the direction away from the top of cap, extends axially basically.
23. as the described cap of top each claim, wherein, tetrameric length is bigger than thickness.
24. as the described cap of top each claim, wherein, the 4th part is cylindrical basically, comprises that a cylindrical form interior surface and a cylindrical appearance exist.
25. cap as claimed in claim 24, wherein, the outside face of tetrameric outside face and third part coincide.
26. cap as claimed in claim 24, wherein, the inside face of tetrameric inside face and third part coincide.
27. as arbitrary described cap in the claim 1~23, wherein, during along the remote extension of third part, thickness changes the 4th part at it.
28. cap as claimed in claim 24, wherein, tetrameric thickness is reducing with a uniform speed along its length gradually away from the third part far-end.
29. cap as claimed in claim 1, wherein, for the external diameter of container end portion, the inside face of first has an internal diameter, make when cap is installed to container top, sealed muscle cooperates with the top of said vesse, thereby at least towards the folding second portion of the inside face of the first of muscle, third and fourth part that makes muscle is in the end of container with at least between the top of cap.
30. cap as claimed in claim 29, wherein, there is a fritter in the bottom at cap top, it extends downwards from bottom, be positioned the radially inner side of sealed muscle, thereby when being installed to cap on the container top, the more tetrameric and fritter adjacency of sealed muscle is positioned between fritter and the container top at least.
31. as claim 29 or 30 described caps, wherein, the inside face of first is being got the effect that forms a bearing, when being installed to cap on the container top, second portion is folding towards bearing.
32. cap as claimed in claim 31, wherein, when being installed to cap on the container top, second portion turns back towards first, so that the inside face of second portion extruding first.
33. as arbitrary described cap in the claim 29~32, wherein, skirt has an inside face, and a screw thread is arranged on the inside face, in order to when being installed to cap on the container top, cooperates with respective threads on the outside face of container top.
34. as top arbitrary described cap, wherein, cap is made by synthetic plastics material.
35. cap as claimed in claim 34, wherein, cap is to be made by polyethylene.
36. cap as claimed in claim 34, wherein, cap is to be made by polypropylene.
37. as top arbitrary described cap, wherein, cap is made by a plate.
38. as top arbitrary described cap, wherein, a tangible rammer bar is arranged on the cap, with thinking that removing cap from the container that cap is housed provides convenience.
39. mould that is used to form the described cap of above-mentioned arbitrary claim.
40. one has the container of the opening that is formed by container end portion, the end is by sealing according to arbitrary in the claim 1~38 described cap.
41. container as claimed in claim 40, wherein, container is a carbonated beverage container.
42. as claim 40 or 41 described containers, wherein, container is to be made by polyethylene terephthalate.
43. the method for the described cap of formation claim of right1, this method comprise synthetic plastics is molded onto this step in the mould.
44. form the method for the described cap of claim 43, this method comprises that the synthetic plastics with molding is expelled to this step in the mould.
45. as claim 43 or 44 described methods, wherein, above-mentioned synthetic plastics is a polyethylene.
46. as claim 43 or 44 described methods, wherein, above-mentioned synthetic plastics is a polypropylene.
47. one kind is installed to the method for container top with the described cap of claim 1~38, this method comprises cap is screwed to container end portion until this step of cap airtight container.
CN99123663A 1999-03-19 1999-11-03 Container cap Pending CN1267622A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPP9352A AUPP935299A0 (en) 1999-03-19 1999-03-19 Container closure
AUPP9352 1999-03-19

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Publication Number Publication Date
CN1267622A true CN1267622A (en) 2000-09-27

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CN99123663A Pending CN1267622A (en) 1999-03-19 1999-11-03 Container cap

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CN (1) CN1267622A (en)
AU (1) AUPP935299A0 (en)
WO (1) WO2000056615A1 (en)

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CN101570043B (en) * 2009-05-31 2011-05-11 绍兴县皇冠机械有限公司 Hydraulic oil pipe system for plastic bottle cap molding press
CN110461725A (en) * 2017-03-27 2019-11-15 欧莱雅 For packing the closing cover of cosmetics

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GB2407561B (en) * 2001-09-10 2006-03-08 Closures & Packaging Serv Ltd Linerless bore seal closure
WO2003022701A1 (en) * 2001-09-10 2003-03-20 Closures And Packaging Services Limited Linerless bore seal closure
AT412642B (en) * 2002-04-30 2005-05-25 Antensteiner Consulting Gmbh CAP FOR BOTTLES
WO2006117024A1 (en) 2004-09-01 2006-11-09 Creanova Universal Closures Ltd. Sealing means for a closure, closure and process
DE602005027170D1 (en) 2004-12-16 2011-05-12 Crown Cork Japan Plastic closure with excellent sealing and venting properties
US20080272083A1 (en) 2005-03-14 2008-11-06 Druitt Rodney M Closure
EP2663506B1 (en) 2011-01-14 2015-09-09 Creanova Universal Closures Limited Closure
US10532858B2 (en) 2017-09-06 2020-01-14 Creanova Universal Closures Ltd. Closure for container neck finishes

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101570043B (en) * 2009-05-31 2011-05-11 绍兴县皇冠机械有限公司 Hydraulic oil pipe system for plastic bottle cap molding press
CN110461725A (en) * 2017-03-27 2019-11-15 欧莱雅 For packing the closing cover of cosmetics
CN110461725B (en) * 2017-03-27 2020-12-04 欧莱雅 Closure cap for packaging cosmetics

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WO2000056615A1 (en) 2000-09-28

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