CA2817980A1 - Aluminum foil-sealing hygiene bottle cap - Google Patents

Aluminum foil-sealing hygiene bottle cap Download PDF

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Publication number
CA2817980A1
CA2817980A1 CA 2817980 CA2817980A CA2817980A1 CA 2817980 A1 CA2817980 A1 CA 2817980A1 CA 2817980 CA2817980 CA 2817980 CA 2817980 A CA2817980 A CA 2817980A CA 2817980 A1 CA2817980 A1 CA 2817980A1
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CA
Canada
Prior art keywords
cap
interior
water outlet
aluminum foil
design
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.)
Abandoned
Application number
CA 2817980
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French (fr)
Inventor
Xiping Xpg Guo
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA 2817980 priority Critical patent/CA2817980A1/en
Priority to US13/932,068 priority patent/US20130319967A1/en
Publication of CA2817980A1 publication Critical patent/CA2817980A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • B65D41/62Secondary protective cap-like outer covers for closure members
    • 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
    • B65D41/32Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/46Snap-on caps or cap-like covers
    • B65D41/465Snap-on caps or cap-like covers with integral internal sealing means

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

Abstract

This patent design is involved in leakage-proof sealing design for a plastic bottle cap, which works with water dispenser.
Technique issue: It focuses on designs of an interior water outlet lid at leakage-proof and on design of a pliably wedged sealing ring in the cap. The patent design aims at eradicating phenomena that an interior water outlet lid drops in water to create secondary pollution and rescinding use of a leakage-proof foaming gasket in the cap.
Embodiment: 1. Employ a kind of non-toxic, odorless, and food grade aluminum foil lid to seal the interior water outlet in a cap 2. Add a fixed pliably wedged ring onto interior sidewall of a cap to replace a mobile polyethylene foaming gasket.
Effects: The patent cap design possesses simple structure, hygiene, and strong sealability. It can eradicate leak from plastic interior lid, rescind foaming gasket use, reduce cost and avoid secondary pollution to bottled water.

Description

15 Subordinate Technique Field 16 This invention is involved in leakage-proof design of a plastic bottle cap, which works with 17 water dispenser. Especially in cap designs of sealing, anti-pollution, and hygiene, it focuses on 18 sealing functions about an interior water outlet lid and on design of an airtight wedge-angled ring, 19 which fixed onto interior sidewall of a bottle cap.
20 Background Technology 21 Nowadays, for most interior water outlet lids in bottle caps that are used at water dispensers 22 their lids material is made of Lower-Density Polyethylene (LDPE), which is the same as principal 23 cap body material. At airtight designs, there are three major categories: interior plug type (ref. see 24 US patent US005232125), exterior cover type (ref. see US patent US005392939), and 25 body-connected type. (ref. see US patent US6408904B1) The design feature is at seal of an interior 26 water outlet (remark 16 of Figure 6) to avoid water spilling when a bottle is upside down inserted 27 into a water dispenser.
28 The body-connected type design is mainly divided into three types: "Q"-bunting type (ref.

Aluminum Foil-Sealing Hygiene Bottle Cap I China patent CN301299736S and USA patent US006408904), "+"-bunting type (ref. China patent 2 CN3050914), and "A "-bunting type (ref. US patent US005573047). Their interior water outlet lids 3 are all connected with principal cap bodies, thus, they are named body-connected design. Mold 4 design and manufacture for the body-connected interior water outlet lid need highly precise criteria.
The principal cap plastic material meets higher quality standard as well. This is because slots of the 6 lid, such as "Q"-type, "+"-type, or " k "-type, must be even and thin, but never be rimous. The slot 7 depth directly influences interior lid opening when water input cylinder (remark 14 of Figure 5) 8 heavily bunts the interior lid. It causes three possible bad cases: on one case, the interior lid is 9 bunted but hardly to be opened; on the second case, bad quality slot leads to water leakage before it is bunted; on the third case, an interior lid is jabbed and split into several fragments, floated in water.
11 For the interior plug type or exterior cover type, the principal cap designs hardly guarantee the 12 interior lid to cover the water input cylinder and never float in water when the cylinder heavily bunts 13 the lid. Thus, the floated lid creates secondary pollution in the bottled water.
14 Except for the leakage of interior water outlet lid, combination area between cap interior ceiling and top of bottle mouth could not be closely touched and could create leakage due to mismatch of 16 different bottle mouths and caps. Most cap manufacturers insert a mobile polyethylene foaming 17 gasket (MPFG) onto cap interior ceiling to block leakage for bottle-filling producers. However, cap 18 manufacturers will not produce these MPFGs owing to smaller gasket demand and higher equipment 19 investment, but prefer purchase of MPFGs to professional MPFG producers.
On the other hand, these outsourcing of MPFGs are assembled in caps by machines or hands without sterilizing them in 21 advance. Those MPFGs could bring foreign matters or bacteria and create secondary pollution 22 during the procedures of MPFG production, transportation, storage, and assembly. Although some of 23 water filling equipment could have a cap sterilizer, but MPFG interior part hardly to be cleaned up 24 and sterilized. Thus, the cap seal and hygiene cannot be guaranteed. For another fixed foaming ring, its production technics are complex and with higher making cost although the ring is good for 26 sealing and free from secondary pollution.
27 Invention Idea 28 To solve airtight, secondary pollution, and high cost gasket problems derived from cap interior 29 water outlet leakage, interior lid drop, and foaming gasket assembly, I
designed a set of brand new Aluminum Foil-Sealing Hygiene Bottle Cap I solution to eradicate mentioned issues above. That is an aluminum foil-sealing hygiene bottle cap. In 2 this cap, I employ an aluminum foil to replace a conventional plastic interior water outlet lid, extra 3 add an LLDPE pliably wedged ring to fix onto interior sidewall of a bottle cap to form a 4 leakage-proof dam, and rescind a foaming gasket/ring usage.
Full Description 6 The technique solutions employed in this invention 7 Use a piece of food-grade aluminum foil as an interior water outlet lid in a principal cap 8 (remark 1 of Figure 1). In top area of the interior water outlet, it composes two sections, a glossy 9 area and a tiny teeth area (remark 11 and remark 12 of Figure 4). When a water input cylinder (remark 14 of Figure 5) jabs the aluminum foil lid, the aluminum foil causes a conglutination 11 firmness difference between these two areas, a glossy area and a tiny teeth area, on the top of water 12 input mouth under the circumstance of an electromagnetic inductor work.
When the water input 13 cylinder jabs the aluminum foil lid, the tiny teeth area firstly detaches from the foil, but the glossy 14 area clings the foil to avoid the foil dropping off and floating in water. Besides, by a double-color injection process I extra adds a LLDPE fixed pliably wedged ring (FPWR) (remark 2 and remark 20 16 of Figure 2) onto interior sidewall of a cap.
17 Common technique features between this invention and the latest technology in the world 18 They are all at sealing method for an interior water outlet lid and leakage-proof design for 19 different bottle mouths. However, my brand-new invention designs effectively block leakage and avoid secondary pollution in bottled water.
21 The most different features between this invention and the latest technology 22 They are all at sealing manners as well. My invention completely changes sealing method on 23 water outlet lid by using a piece of aluminum foil lid as an interior water outlet lid to replace any 24 other plastic lid in a principal cap; I extra add a LLDPE FPWR which forms a 150 angle with an interior sidewall of the cap via double-color injection machine to rescind a mobile polyethylene 26 foaming gasket or a fixed foaming ring. This invention possesses some good features, such as 27 simple construction, non-pollution production, and all-in-one production process. It completely 28 eradicates lid leakage, broken pieces, bacteria, and foreign matters and avoids secondary pollution in 29 bottled water.

Aluminum Foil-Sealing Hygiene Bottle Cap I Figure Descriptions 2 Further descriptions on bases of the attached figures and embodiments of the invention 3 Figure 1 is top view of interior design of an aluminum foil-sealing hygiene bottle cap.
4 Figure 2 is top view of exterior design of an aluminum foil-sealing hygiene bottle cap.
Figure 3 is partial view of an interior water outlet design of an aluminum foil-sealing hygiene bottle 6 cap.
7 Figure 4 is top view of interior water outlet top area design in an aluminum foil-sealing hygiene 8 bottle cap.
9 Figure 5 is a cross section view that a water input cylinder was inserted into a cap and bunted the aluminum foil.
11 Figure 6 is a leakage-proof dam effect sketch about a fixed pliably wedged ring touched a bottle 12 mouth in an aluminum foil-sealing hygiene bottle cap.
13 Figure 7 is an exterior perspective of a fixed pliably wedged ring, a fastening ring, and a 14 reinforcement ring in an aluminum foil-sealing hygiene bottle cap.
Figure 8 is a cross section view that a water input cylinder jabbed aluminum foil.
16 Figure 9 is a top view of an aluminum foil-sealing hygiene bottle cap.
17 Figure remarks: 1. aluminum foil lid; 2. fixed pliably wedged ring; 3.
reinforcement ring; 4.
18 stop point of tearing slot; 5. tearing tail slot; 6. exterior friction teeth; 7. tearing tail; 8. annular 19 tearing slot; 9. bottle mouth fastening ring; 10. hot-pressing label;
11. glossy area; 12. tiny teeth area;
13. interior water outlet top area; 14. water input cylinder; 15. exterior water outlet of a cap; 16.
21 interior water outlet of a cap; 17. ring height 3mm; 18. cross section of bottle mouth reinforcement 22 ring; 19. cross section of bottle mouth fastening ring; 20. cross section of fixed pliably wedged ring;
23 21. a 150 included angle between a fixed pliably wedged ring and interior sidewall of a cap; 22.
24 cross section of a bottle mouth that was inserted into a cap.
In Figure 1, sealed aluminum foil lid (remark 1) is sucked and covered onto the interior water 26 outlet (remark 16 of Figure 6) of a cap by a mechanical suction nozzle.
When caps move and pass an 27 electromagnetic inductor via a conveyor, the aluminum foil lids are integrated with interior water Aluminum Foil-Sealing Hygiene Bottle Cap =
1 outlet top and fulfilled airtight effect. A FPWR (remark 2) is fixed onto junction interior wall 2 between ceiling wall and side wall in a cap. After fingers press tearing tail (remark 7) and move it 3 forward to left-up direction along a tearing tail slot (remark 5) and an annular tearing slot (remark 8), 4 it rives the cap. Interior and exterior friction teeth (remark 6) can prevent fingers from slickness.
After tearing tail moved till a stop point of tearing slot (remark 4), the cap is no longer to be rived.
6 After that, the cap can be easily pulled away from bottle mouth when you tear forward up further. A
7 FPWR (remark 2), a bottle mouth fastening ring (remark 9), and a reinforcement ring (remark 3) on 8 interior sidewall of a cap tightly hold the bottle mouth and work together with a 15 included angle 9 formed between the FPWR and interior sidewall of a cap to form a leakage-proof dam (remark 2, 20, 21 of Figure 5, 6). It entirely replaces a leakage-proof foaming ring function and completely 11 eradicate cap leakage problem.
12 In Figure 2, in final production process, a hot-press label (remark 10) is pressed to top of a cap, 13 sealing exterior water outlet (remark 15 of Figure 8).
14 In Figure 3, on top area of the interior water outlet, there is a conglutination area that coheres with an aluminum foil.
16 In Figure 4, on top area of the interior water outlet, there are two specially designed areas 17 (remark 11 and remark 12): a glossy area and a tiny teeth area. They create a difference on 18 conglutination firmness when an aluminum foil is conglutinated an interior water outlet of a cap.
19 In Figure 5, it is schematic position in a glossy area that a water input cylinder (remark 14) is inserted into a cap and bunted sealed aluminum foil (remark 1 of Figure 1).
Cap interior sidewall, a 21 15 included angle between a FPWR and cap interior sidewall, and a FPWR
form a leakage-proof 22 dam (remark 2, 20, and 21 of Figure 5). Remark 19 is a cross section of bottle mouth fastening ring.
23 Remark 20 is a cross section of fixed pliably wedged ring.
24 In Figure 6, the FPWR and cap interior sidewall form a leakage-proof dam after a bottle was inserted into a cap. It is an effect sketch that a bottle mouth fastening ring (remark 9) firmly locks a 26 bottle mouth together with a reinforcement ring (remark 3) 27 Figure 7 is an effect map that a cap has a fixed pliably wedged ring, a fastening ring, and a 28 reinforcement ring in the aluminum foil-sealing hygiene bottle cap.
Aluminum Foil-Sealing Hygiene Bottle Cap =
1 In Figure 8, it is the position that an aluminum foil (remark 1) connected the interior water 2 outlet and did not drop in water after water input cylinder (remark 14) jabbed a sealed aluminum foil.
3 Due to the design difference between a glossy area and tiny teeth area, it forms a difference of 4 aluminum foil conglutination firmness. The aluminum foil never drops off and never floats in water after it was jabbed by a strong power.
6 Figure 9 is an effective diagram that a hot-pressing label was torn.
7 Specific Performance Method 8 In Figure 1, it is a performance that an aluminum foil completely seals an interior water outlet 9 in a cap.
Add a procedure in a cap production process: in the interior water outlet (remark 16 of Figure 11 6), a group of mechanical suction nozzles suck aluminum foil lids which with a paperboard and 12 cover them onto interior water outlets of caps. When those aluminum foil lids pass an 13 electromagnetic inductor via a conveyor, the inductor integrates the aluminum foil with the top area 14 of interior water outlet without touching the foil lids, accomplished airtight effect (remark 1). But the aluminum foil will automatically separate from its paperboard along with the mechanical suction 16 nozzle suck the paperboard again.
17 Possible Technique Problem 18 When the sealed aluminum foil perfectly conglutinated top area of the interior water outlet in a 19 cap, whether it could be easily jabbed by a water input cylinder and whether jabbed foil could drop in water. (See Figure 8) 21 Solutions 22 Design two different areas on the top of an interior water outlet. On one smaller area, which 23 occupies about one-fifth (1/5) area of the top of an interior water outlet, its surface ought to be 24 processed more glossy (remark 11 of Figure 4). On another larger area, which has about four-fifth (4/5) of the top of an interior water outlet, its top surface should be processed to become an area 26 with many tiny teeth (remark 12 of Figure 4). In the glossy area, an aluminum foil tightly and evenly 27 conglutinates the top area of the interior water outlet (remark 1 of Figure 8), but in uneven area, top 28 unit adhesion area that an aluminum foil integrates with the interior water outlet is reduced, formed Aluminum Foil-Sealing Hygiene Bottle Cap I an adhesive strength difference in term of unit area. In a moment that a water input cylinder bunted 2 the aluminum foil (see Figure 5) the tiny teeth area surface early separates from the top of the 3 interior water outlet of a cap. Meanwhile, the foil sticks the glossy area due to this conglutination 4 firmness difference when the cylinder jabbed the aluminum foil. Thus, it avoids the foil floating in water. (See Figure 8) 6 Description of implementation that a FPWR fixes onto interior sidewall of a cap 7 After mold injection process of a cap body, make a secondary injection for the FPWR by 8 adding LLDPE 7144 material. The formed FPWR becomes a pliable body.
Besides, secondary 9 injection mold design should create a 15 angle (remark 21 of Figure 5) between the wedged ring and interior sidewall of a cap. Due to exist of this angle, the FPWR possesses a leakage-proof dam 11 function after it bunted the top of a bottle mouth. Whatever design differences does any bottle 12 mouths have, this FPWR design perfectly dams top of bottle mouth by this design-angled formed 13 between the EPWR and interior sidewall of the cap. Coupled with a fastening ring (remark 9 of 14 Figure 6) and a reinforcement ring (remark 3 of Figure 6) firmly lock the bottle mouth to completely eliminate the possibility of leakage (see Figure 6).
16 At the end of production procedure, a label is sealed the exterior water outlet of a cap by an 17 automatically hot-pressing labeler (remark 10 of Figure 9). Henceforth, entire cap production 18 procedure has automatically been accomplished in a production line, exempted secondary pollution 19 between an aluminum foil and a hot-pressing label.
This invention design has changed traditional water outlet plastic lid designs into an aluminum 21 foil lid design, rescinded a traditionally mobile foaming gasket design, and created a fixed pliably 22 wedged ring design.
23 This invention design deletes two production procedures about inner lid injection and assembly 24 for an interior water outlet and a mobile foaming gasket in conventional cap production techniques;
relevantly adds two production procedures about aluminum foil sealing and secondary injection of a 26 fixed pliably wedged ring. Although new cap design production procedures are equivalent with 27 traditional ones, but new cap design is more economic, safe, aesthetic, and reliable than other 28 traditional designs. Sealing and hygiene are completely guaranteed.

Claims (4)

1. A kind of aluminum foil-sealing hygiene bottle cap and its interior water outlet lid design. Its feature is at interior water outlet lid seal that is adopted by a piece of food-grade aluminum foil.
2. A bottle cap as defined in claim 1, in which the top area of its interior water outlet is divided into two different surface areas, a smaller glossy area that occupies about one-fifth (1/5) of the top area in the water outlet; and a larger tiny teeth area that occupies about four-fifth (4/5) of the top area in the water outlet. This different area design forms a difference about aluminum foil conglutination firmness.
3. A bottle cap as defined in claim 1, in which the interior sidewall design of a cap, extra added a fixed pliably wedged ring to rescind any other foaming annular gaskets.
4. A bottle cap as defined in claim 1 and claim 3, the fixed pliably wedged ring composes an included angle with interior sidewall of a cap. This kind of wedge -angled ring possesses a leakage-proof dam function.
CA 2817980 2010-12-27 2013-05-30 Aluminum foil-sealing hygiene bottle cap Abandoned CA2817980A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA 2817980 CA2817980A1 (en) 2013-05-30 2013-05-30 Aluminum foil-sealing hygiene bottle cap
US13/932,068 US20130319967A1 (en) 2010-12-27 2013-07-01 Aluminum Foil-Sealing Hygiene Bottle Cap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2817980 CA2817980A1 (en) 2013-05-30 2013-05-30 Aluminum foil-sealing hygiene bottle cap

Publications (1)

Publication Number Publication Date
CA2817980A1 true CA2817980A1 (en) 2014-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2817980 Abandoned CA2817980A1 (en) 2010-12-27 2013-05-30 Aluminum foil-sealing hygiene bottle cap

Country Status (1)

Country Link
CA (1) CA2817980A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10961021B2 (en) 2016-04-20 2021-03-30 Obrist Closures Switzerland Gmbh Closure with foamed region and methods of forming said closure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10961021B2 (en) 2016-04-20 2021-03-30 Obrist Closures Switzerland Gmbh Closure with foamed region and methods of forming said closure

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Effective date: 20160601