CN101184675A - Sealing structure for container and cap used for the same - Google Patents
Sealing structure for container and cap used for the same Download PDFInfo
- Publication number
- CN101184675A CN101184675A CNA2006800187384A CN200680018738A CN101184675A CN 101184675 A CN101184675 A CN 101184675A CN A2006800187384 A CNA2006800187384 A CN A2006800187384A CN 200680018738 A CN200680018738 A CN 200680018738A CN 101184675 A CN101184675 A CN 101184675A
- Authority
- CN
- China
- Prior art keywords
- sealing element
- oral area
- lid
- container
- seal
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 101
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 3
- 239000000463 material Substances 0.000 description 36
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- 239000011347 resin Substances 0.000 description 21
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- 238000000034 method Methods 0.000 description 11
- 230000000630 rising effect Effects 0.000 description 7
- 229920003002 synthetic resin Polymers 0.000 description 7
- 239000000057 synthetic resin Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
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- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 4
- 238000000071 blow moulding Methods 0.000 description 4
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- 238000011049 filling Methods 0.000 description 4
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- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
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- 150000001875 compounds Chemical class 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920005648 ethylene methacrylic acid copolymer Polymers 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 239000004713 Cyclic olefin copolymer Substances 0.000 description 1
- 206010012239 Delusion Diseases 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920000007 Nylon MXD6 Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 150000001279 adipic acids Chemical class 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
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- 229910045601 alloy Inorganic materials 0.000 description 1
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- 238000000637 aluminium metallisation Methods 0.000 description 1
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- 238000003851 corona treatment Methods 0.000 description 1
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- 231100000868 delusion Toxicity 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 1
- 235000010746 mayonnaise Nutrition 0.000 description 1
- 239000008268 mayonnaise Substances 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- 238000009928 pasteurization Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
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- 238000007493 shaping process Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D51/00—Closures not otherwise provided for
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D51/00—Closures not otherwise provided for
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
- B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D33/00—Details of, or accessories for, sacks or bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5861—Spouts
- B65D75/5872—Non-integral spouts
- B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0006—Upper closure
- B65D2251/0015—Upper closure of the 41-type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0068—Lower closure
- B65D2251/0093—Membrane
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Bag Frames (AREA)
Abstract
A seal member (13) is heat sealed on the upper surface of a container opening (12), and a cap (15) is installed on the container opening (12). The cap (15) has a top plate (15a) covering the container opening (12) and also has, on the inner surface of the top plate (15a), an inner periphery projection (15e) located in the vicinity of a position more on the inner side than the inner peripheral edge of the container opening (12). The construction facilitates separation (separation for opening) of the seal member (13) with high sealing ability maintained, and prevents separation of the seal member (13) at the inner peripheral edge of the container opening (12) caused by a rise in pressure in the container.
Description
Technical field
The present invention relates to lid to be installed again, can guarantee high leak tightness, the seal of vessel structure of carrying out easily simultaneously Kaifeng of sealing element peeling off, and the used lid of sealing structure by with sealing element airtight container oral area.
Background technology
For example, in patent documentation 1, disclose the inner cap that constitutes by the sheet plastic peristome with strippable bind strength adhering and sealing vessel, enclosing cover is covered in covering, spiral is installed on the vessel, the distillation plastic container of formation.According to patent documentation 1 disclosed distillation plastic container, the inner cap of airtight container is not peeled off when the distillation sterilization processing, can peel off this inner cap easily when Kaifeng.
In addition, in patent documentation 2, disclose, will be installed at the top cover spiral that inside face was provided with and poured out the butt ring of an end face butt and pour out on the tube and the tiny pocket spout that forms by sealing element heat being deposited on the end face of pouring out tube.According to patent documentation 2 disclosed tiny pocket spouts, owing to can seek to improve the leak tightness of sealing element by butt ring crush seal parts, so do not need the required bonding force that increases sealing element abovely, when pouring out, can break a seal easily and peel away sealing element.
In addition, in patent documentation 3, the neighboring of applying leakproofing material by hot melt on the open end outside of oral area is disclosed, utilize the dome-shaped projection of the inside that is located at top cover simultaneously, push the leakproofing material of the open end that is used to seal this oral area, and the packaging bag of the band oral area that forms.According to the packaging bag of the disclosed band oral area of patent documentation, the ground driving fit of the not damaged leakproofing material of dome-shaped projection on leakproofing material, when furnace run, water can not be immersed in the leakproofing material that sealed oral area above.
Patent documentation 1: the spy opens flat 6-219464 communique
Patent documentation 2: the spy opens the 2002-104453 communique
Patent documentation 3: the spy opens the 2004-224355 communique
But, in the container of patent documentation 1, though by being located at the liner that constitutes by silicone rubber on the outer interior surface, to be squeezed in by the inner cap that sheet plastic constitutes opening of container above, but when high temperature sterilization or during drop impact etc., if container inner pressure rises, the elastic force of opposing liner, inner cap exists in the interior all sides above the peristome problem that inner cap is peeled off towards the inside face protuberance of enclosing cover above peristome.Like this, if, also pour into content etc. to this part even peel off in a generation of interior all sides of inner cap, and because of the misgivings of giving buyer's discomfort when the Kaifeng are arranged, so preferred this structure.
Especially, tiny pocket or squeeze bottle as the band spout in the container that is made of the pliability material, apply the impact that falls formation in circulation process, or when the operator firmly catches container container generation moderate finite deformation, press the degree that rises in this moment and also increase.Thereupon, owing to press the impact that imposes on inner cap when rising and also increase, therefore there are the more significant tendency of the problems referred to above, such problem to appear at the tiny pocket of patent documentation 2 too with in the spout interior.
In addition,, be located at the dome-shaped projection of the inside of top cover according to the packaging bag of the band oral area of patent documentation 3 since with the inner periphery side butt of open end, the misgivings that therefore produce the problems referred to above are little.
But, in patent documentation 3 in the disclosed formation,, the neighboring heat of leakproofing material need be deposited on the open end outside in order to prevent the peeling off of leakproofing material when the dome-shaped projections press leakproofing material.Therefore, even there is the residual tab portion of peeling off usefulness, when the peel seal material of Kaifeng, also difficult from the oral area problem of peel seal material neatly.In addition, because the leakproofing material driving fit is on dome-shaped projection, thus when high temperature sterilization or during drop impact etc., also there is the pressure release place when not having container inner pressure to increase, and the problem that presses in can not absorbing liter.
Summary of the invention
The present invention finishes in view of above-mentioned truth, its purpose is to provide a kind of seal of vessel structure, reaches the used lid of sealing structure, this seal of vessel structure, by using leakproofing material airtight container oral area, lid is installed again, can be guaranteed high leakproofness, the peeling off of the leakproofing material when breaking a seal easily simultaneously (peel off in Kaifeng), even impact or the container inner pressure accepted when falling rise, also can prevent the peeling off of leakproofing material on the container finish inner periphery.
Seal of vessel structure of the present invention, be by sealing element is sealed on the upper surface of container finish, simultaneously on described oral area, lid is installed, the seal of vessel structure of sealed container interior, its formation is all projections in the inside face of the top board of described lid has, and should in all projections be positioned near described oral area inner periphery inboard and with described sealing element butt.
By forming such formation, can guarantee high leak tightness, carrying out simultaneously the Kaifeng of sealing element easily peels off, in addition, peeling off of leakproofing material on the container finish inner periphery that impact in the time of can preventing to fall or container inner pressure rising cause can be avoided entering content effectively between oral area upper surface and sealing element.
In addition, seal of vessel structure of the present invention, the inside face that can be formed in the top board of described lid has circular protrusion, and this circular protrusion can be via the formation of described sealing element and described oral area upper surface butt.
If form such formation, can prevent container inner pressure the peeling off of the sealing element cause of rising more reliably, used sterilization water etc. is immersed between lid and the sealing element in the time of can preventing high temperature sterilization simultaneously.
In addition, seal of vessel structure of the present invention in order to form the space between described lid and described sealing element, can form described lid is installed in formation on the described oral area.
If form such formation, when container inner pressure rose, sealing element was crooked upward in lid, presses liter in can absorbing.
In addition, seal of vessel structure of the present invention can form described lid is installed in formation on the described oral area in the feud again.
If form such formation, behind open container, also can carry out the sealing again of lid.
In addition, lid of the present invention, be the said vesse hermetically-sealed construction used, be installed in the lid on the sealing element leak free container finish, possesses the top board that covers described oral area, in the time of on being installed in described oral area, all projections in the inside face of described top board has, all projections are positioned near the inboard of described oral area inner periphery in this, with described sealing element butt.In addition, lid of the present invention, the inside face that also can be formed on described top board has the formation via the circular protrusion of the upper surface butt of described sealing element and described oral area.
According to the present invention, by using sealing element airtight container oral area, lid is installed again, can guarantee high leak tightness, carrying out simultaneously the Kaifeng of sealing element easily peels off, and by being formed at the interior all projections on the lid end face inside face, can prevent the peeling off of leakproofing material on the container finish inner periphery, can prevent effectively that content from entering between oral area upper surface and the film material.
Description of drawings
Fig. 1 is that expression is used for the otch cutaway view of tiny pocket with the concise and to the point formation of the embodiment of spout with seal of vessel structure of the present invention.
Fig. 2 is the amplification view at the main position of embodiment shown in Figure 1.
Fig. 3 is the birds-eye view of expression with the state of sealing element heat-sealing on the peristome upper surface of pouring out tube.
Fig. 4 is the front view of expression one example band spout tiny pocket.
Among the figure: 1-spout, 10-spout body, 12-are poured out tube (container finish), 13-sealing element, 15-top cover (lid), 15a-top board, all projections in the 15b-circular protrusion, 15e-, 2-space.
The specific embodiment
Below, preferred embodiment of the present invention with reference to description of drawings.
Herein, Fig. 1 is that expression is used for the otch cutaway view of tiny pocket with this spout of the embodiment of spout with seal of vessel structure of the present invention.In addition, Fig. 2 is the amplification view of the part that surrounds with chain line at Fig. 1.
And, pour out tube 12 peristome, as shown in the figure, sealed parts 13 sealings in addition, cover sealing element 13 ground spirals top cover 15 are installed pouring out on the tube 12.So, be installed in and pour out on the tube 12 if by spiral top cover 15 is installed, owing to also can utilize the envelope again of top cover 15 to end behind Kaifeng, therefore preferred this constitutes, but the installation method of top cover 15 also is not limited to this.
In addition, in graphic example, the boat-shaped portion 11 that spout body 10 possesses, have with pour out the tube 12 bonded assembly cylindrical portion 11a, possess from this cylindrical portion 11a, in the drawings with mode of left and right symmetry roughly, three deposited base plate 11b that stretch out with the triangle on even keel and being positioned at pour out the flange part 11c on the boundary portion of tube 12 and cylindrical portion 11a.
This deposited base plate 11b along the central axis direction of cylindrical portion 11a, a/sly is spaced setting, links up and down respectively by being positioned at the earlier distolateral 11d of post portion.In addition, deposited base plate 11b, as described later, full week of its side is heat-sealed in the spout seal portion 35 of tiny pocket body 3.At this moment, the side butt of flange part 11c and spout seal portion 35 carries out the location (Fig. 4 reference) with respect to the flexible packing material that forms tiny pocket body 3.
In the present embodiment, spout body 10 and top cover 15, for example, adopting with polyolefin-based resins such as polypropylene, polyethylenes is manufacturing process manufacturings such as the thermoplastic base resin of representative, available injection moulding.
Herein, in the present embodiment, the spout 1 of giving an example, but in addition, also can use the present invention for various containers such as bottle-shaped vessels.
When the present invention is used for bottle-shaped vessel, oral area with spout body 10 cooresponding bottle-shaped vessels in the above-mentioned embodiment, can be shaped integratedly with vessel, except that said polyolefins is resin, can also adopt with the various thermoplastic base resins headed by the polyester based resins such as polyethylene terephthalate or Polyethylene Naphthalate.Bottle-shaped vessel can be by manufacturings such as direct blow molding or extending blow mouldings, but when adopting extending blow moulding, and container finish can be before blow molding gives shape when utilizing the preformed shaping of injection moulding etc.
In all embodiments, top cover or container finish can both be made by following known formation is suitable, that is, make each other or with other thermoplastic base resin at above-mentioned resin with mixing, or with functional resin formation multiple-structure such as oxygen block resin etc.
In addition, heat-sealing is at the sealing element of pouring out on tube 12 the peristome upper surface 13, as shown in Figure 3, constitute by the film material of circular shape, with the position of radially face-off on, be formed with two tab 13a highlightedly.This tab 13a, preferably as being easy to this fin of peeling off when the peel seal parts 13 of Kaifeng and being provided with, pour out on the tube 12 if top cover 15 is installed in, copy the inner surface configuration bending of top cover 15, if take off top cover 15 from pouring out tube 12, can rise by its elasticity.
In addition, Fig. 3 is the birds-eye view of expression with the state of sealing element 13 heat-sealings on the peristome upper surface of pouring out tube 12.
As the used film material of such sealing element 13, for example, can list the film material of the multilayer formation that forms via adhesive layer laminated substrate layer successively, interlayer (barrier layere), sealing layer, but the formation that it is concrete, consider the tensile strength that requires, anti-drop impact, anti-pin hole, anti-content, gas barrier etc., or when high temperature pasteurizations such as sterilization of needs hot water or distillation sterilization, also to consider resistance to effect of heat, can suit to select.
As the used film material of sealing element 13, when the film material that adopts above-mentioned multilayer to constitute,, preferably adopt the base film of mechanical specialities excellences such as tensile strength, impact strength, anti-pin hole as substrate layer.Specifically, can adopt the film that constitutes biaxially oriented film, single or multiple lift lamination by polyolefin-based resins such as polyamide-based resin such as polyester based resins such as polyethylene terephthalate, nylon, polypropylene etc.
On such base film, for example, by inorganic oxides such as metals such as AM aluminum metallization, aluminium oxide or monox etc., or block organic materials such as coating Vingon, polyacrylic acid, in addition, by in base film, the oxygen absorbent that fusion contains the oxygen absorption resin of oxidative polymer etc., be made of reducing metal cmpd etc. etc. also can be as required to the additional block of base film itself.
In addition, as interlayer, can adopt the film of synthetic resin that all gases or aqueous vapor is possessed block.
As such film of synthetic resin, for example, can list: the ethylene-vinyl alcohol copolymer film; Vinylidene chloride copolymer films; The crystallinity polyamide film (nylon MXD 6) that obtains from the polycondensation reaction of m-xylene diamine (MXDA) and adipic acid; The acrylonitrile copolymer film; Carbowax acid and copolymer film thereof; Carbowax acid is film; Clay is nano combined film of synthetic resin; The inoranic membrane evaporated film; Block such as Vingon, polyacrylic acid organic material coating film; Clay based on heat-curing resins such as phenol resin, epoxy resin, polyimide resins is a nano composite material coating film etc.In these films, the fusion that also can suit contains the oxygen absorption resin of oxidative polymer etc., constitutes oxygen absorbent etc. by reducing metal cmpd etc.In addition, do not requiring under the situation of perspectivity that other material as being used for additional block can also adopt metallic papers (comprising Alloy Foil) such as aluminium foil or steel foil.
In addition, for sealing layer, require heat sealability (referring to low-melting cold melt, diffusion, the curing again that to use at least than the material that constitutes substrate layer), heat-seal strength, resistance to effect of heat (heat-seal strength under the high temperature), anti-content, wholesomeness etc.
As such synthetic resin material that has applicable to the heat sealability of sealing layer, when constituting spout 1 with polyolefin-based resins, for example, can list: low density polyethylene (LDPE), straight chain shape low density polyethylene (LDPE) (Ziegler system ((multiple spot catalyst), aromatic ring alkene metal derivative system (single-point catalyst)), ethylene-alpha-olefin copolymer, ethene is unsaturated carboxylic acid or with the olefin copolymer of its acid anhydride graft modification, medium density polyethylene, high density polyethylene (HDPE), polypropylene, propylene-ethylene copolymers, Polybutene-1, polymethylpentene, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer, ethylene-methacrylic acid copolymer, in an one of ethylene-methacrylic acid copolymer etc., import the ion bridge formation olefin copolymer (ionomer) of metal ion-based, ethene-tetracyclododecen copolymer polyolefin-based resins such as (cyclic olefin copolymers); Polystyrene, aromatic vinyl copolymers such as SB; Halogenated vinyl resin such as polyvinylchloride, Vingon; Acrylonitrile copolymer such as acrylonitritrile-styrene resin, acrylonitrile-butadiene-styrene copolymer; Polylactic acid based resin (comprise poly-middle lactide and cooperate system); Polybutylene terephthalates etc. are low-melting polyester based resin etc. relatively.These resins can use separately, also can multiple as required fusion use.
In addition; under the situation that spout 1 is made of polyester based resin; as the used synthetic resin material of sealing layer; the preferred employing with polyvalent carboxylic acid's compositions and 1 such as isophathalic acid or adipic acids; 4-succinyl or 1, the polymeric polyester of multivalence such as 4-cyclohexanedimethanol alcohol composition modification polyethylene terephthalate or polybutylene terephthalate.Then, by to such polymeric polyester, the non-synthetic resin materials that mix such as fusion polyethylene or polypropylene are given easy fissility to sealing layer.
In addition, as the material of the adhesive layer that is formed for bonding these each layers, can list polyethers and be polyurethane resin, polyester and be polyurethane such as polyurethane resin and be resin, polyester based resin, epoxy is ethylene series resin of resin, propylene resin, importing polar group etc.
As sealing element 13, when the film material that adopts such multilayer to constitute, form the film of synthetic resin of each layer, can obtain by common methods such as casting method, T modulus method, rolling process or aerationes.And, the film material that such multilayer constitutes, dry method composite algorithm that can enough preformed films or utilize the common methods such as layering composite algorithm, lamination coating process, fusion coetrusion of molten resin to obtain.At this moment, gleyness for each layer of improving substrate layer, interlayer, sealing layer, to with the face of the adhesive layer butt of each layer, adopt Corona discharge Treatment, flame treatment, UV treatment, ozone treatment, primary coat to apply and handle the surfaction processing that (coating alkyl titanate, polyethyleneimine, organosilane coupling agent, isocyanates based compound, polyurethane based compound etc.) wait.
In addition, in graphic example, top cover 15 possesses the top board 15a that covers the peristome pour out tube 12, and the inner peripheral surface of the cylindrical wall 15c that hangs down at the circumferential edges from this top board 15a is formed with and the ridge 14 cooresponding thread groove 15b that pour out tube 12.And,, be formed with via the circular protrusion 15d of sealing element 13 with the peristome upper surface butt of pouring out tube 12 at the inside face of top board 15a.Circular protrusion 15d forms along the peristome upper surface of pouring out tube 12, and by this circular protrusion 15d, sealing element 13 is pressed against the peristome upper surface of pouring out tube 12.
If so form, even the rising of the interior pressure during along with high temperature sterilization or during drop impact etc., sealing element 13 swells upward, can prevent effectively that also sealing element 13 from peeling off from pouring out tube 12 peristome upper surface, can keep the leak tightness of container (tiny pocket).
Therefore, pouring out the top cover 15 of tube on 12 by being installed in, prevented in the present embodiment of peeling off of sealing element 13 that the sealing intensity of sealing element 13 can need not to consider the ground of peeling off in high temperature sterilization behind the filling sealing content or the circulation process etc., easily fissility preferentially, for example, can suit by the scope of 5～25N/15mm to set, especially, by being set in below the 15N/15mm, can realize the easy fissility of sealing element 13.
In addition, when distilling sterilization as high temperature sterilization, though be set at more than the 23N/15mm according to sealing intensities such as relevant laws and regulations, the sealing intensity of sealing element 13 can be selected in this scope.
Have again, if used sterilization water is immersed between top cover 15 and the sealing element 13 during high temperature sterilization, in circulation process, place goods with the residual original state that enters thing, be under a delusion to being the misgivings that content leaks such off gauge, but according to present embodiment, because circular protrusion 15d, via sealing element 13 and the peristome upper surface butt of pouring out tube 12, so can also prevent sterilization water be immersed in sealing element 13 above.
In addition, in graphic example,, be positioned at all projection 15e of ring-type of all sides of circular protrusion 15d, together form the round shape concentric with circular protrusion 15d with above-mentioned circular protrusion 15d at the inside face of the top board 15a of top cover 15.All projection 15e in being somebody's turn to do, for top cover 15 is installed in pour out the tube 12 on the time, tip side and sealing element 13 butts of interior all projection 15e, top cover 15 is being installed under the state of pouring out on the tube 12, its top is positioned at the outstanding length of the position below the horizontal surface that is made of the peristome upper surface of pouring out tube 12 and forms (Fig. 2 reference).
In addition, in graphic example, the top of interior all projection 15e, be positioned at the below of the horizontal surface that comprises the peristome upper surface of pouring out tube 12, but the top of interior all projection 15e is positioned on the horizontal surface that comprises the peristome upper surface of pouring out tube 12 at least, best and sealing element 13 butts.
According to present embodiment, by forming so interior all projection 15e, in following, press and rise generation will swell the power of sealing element 13 upward the time, can resist this power, interior all projection 15e push down near the sealing element 13 that is positioned at the peristome inner periphery of pouring out tube 12, prevent that sealing element 13 is peeled off from the peristome upper surface in the peristome inner periphery of pouring out tube 12.
That is, in the present embodiment, the main purpose of above-mentioned circular protrusion 15d is, prevents that sealing element 13 from peeling off from the integral body of peristome upper surface, peels off and the main purpose of interior all projection 15e is the part that prevents the sealing element 13 on the peristome inner periphery.
Herein, if the formation position of interior all projection 15e too keeps away the oral area inner periphery, press when rising interior, just can not suppress to be positioned at and pour out the sealing element 13 that tube 12 peristome inner periphery closely is close to and swell upward, loss prevents to pour out the function that the sealing element 13 on tins 12 the peristome inner periphery is peeled off.Therefore, the formation position of interior all projection 15e, position being defined as about half from the peristome inner periphery to the opening radius of pouring out tube 12 is near the inboard position that does not too keep away the inner periphery of oral area, need be formed on the peristome inner periphery of pouring out tube 12.
On the peristome inner periphery of pouring out tube 12, produce peeling off of sealing element 13 in the part if be exactly, or the unsealing portion of existence and sealing element 13, content will enter into this part, when the peel seal parts 13 of Kaifeng, the misgivings of bringing discomfort to the buyer are arranged, but according to present embodiment, on the inside face that will be formed at the top board 15a that top cover 15 possesses with interior all projection 15e of sealing element 13 butts, be positioned at the sealing element 13 of the outer circumferential side of all projection 15e, can not swell above the peristome upper surface of pouring out tube 12.Thus, owing to can keep the state of sealing element 13 driving fits, pour out between the peristome upper surface and sealing element 13 of tube 12 so can avoid content to enter effectively in the peristome upper surface of pouring out tube 12.
In addition, in the present embodiment, interior all projection 15e are not limited to that ring-type forms, as long as can obtain above-mentioned function, also can dispose side by side by ring-type and form a plurality of kicks, and the formation that it is concrete can suit to change in the scope that does not diminish above-mentioned functions.
In addition, in graphic example,, between top cover 15 and sealing element 13, be formed with the space 2 of regulation top cover 15 being installed in when pouring out on the tube 12.Thus, shown in two pecked lines among Fig. 2, press when rising interior, sealing element 13 in top cover 15 towards above crooked, press liter in the time of can absorbing high temperature sterilization or during drop impact etc., thereby press the impact that when rising sealing element 13 is applied in relaxing.
More than such spout 1, for example, the pouring spout that can be used as content is installed on the tiny pocket body 3 shown in Figure 4 and uses.
In graphic example, tiny pocket body 3 is formed by flexible packing materials such as resin films, is made of main part 31 and bottom 32.In the sidepiece circumferential edges of main part 31, implement side seal 33 with the state of pressing broken line 32a foldable bottom 32, between main part 31 and bottom 32, implement end sealing 34 simultaneously.In addition, the bight of upper left side is provided with the rake of cutting apart obliquely 4 in the drawings, in the spout seal portion 35 of this rake 4, is sealed in the full week of side of the deposited substrate 11b of spout 1 on the flexible packing material that forms tiny pocket body 3.
Such spout is paid tiny pocket, usually, is transported to the filling procedure of content with its top as the original state of unsealing portion, in filling behind the content, top seal 36 is implemented at the top.At this moment, as the spout 1 that pouring spout is installed, with sealed parts 13 sealings of the peristome of pouring out tube 12, top cover 15 covers the mode of sealing element 13 in addition, is installed in and pours out on the tube 12.Therefore, even the sealing intensity formation of sealing element 13 is had easy fissility, also can have high leakproofness ground filling sealing content.And, when pouring out content, although taking off Kaifeng, top cover 15 back peel seal parts 13, because sealing element 13 can be with easy peel strength heat-sealing, so peel off Kaifeng sealing element 13 easily.
More than, just the present invention has illustrated preferred embodiment, but the present invention has more than and is defined in described embodiment, can carry out numerous variations certainly within the scope of the invention and implement.
For example, in described embodiment, inside face at the top board 15a of top cover 15, with via the circular protrusion 15d of sealing element 13 and the peristome upper surface butt of pouring out tube 12 together, all within it sides form interior all projection 15e, even but only also can prevent sealing element 13 from the peeling off of peristome upper surface with interior all projection 15e, as long as thereby can fully guarantee leak tightness, above-mentioned circular protrusion 15d also can omit as required.
In addition, in described embodiment, enumerated applying the present invention to the example of tiny pocket, but can use container of the present invention, be not limited to above-mentioned tiny pocket with spout.For example, also can be used in mayonnaise etc. and be the squeeze bottle of content, be the big mouthful of container etc. of content with jam etc., but the present invention, be more suitable for as tiny pocket or squeeze bottle etc., in circulation process, apply and fall the impact that causes, or the user when firmly catching container container deformation big, in press the also big container that constitutes by the pliability material of lift degree.
As described above, the present invention as by with sealing element airtight container oral area, and installs lid again, can guarantee high leakproofness, is easy to the seal of vessel structure that peel off in Kaifeng of sealing element simultaneously, can be used in multiple container.
Claims (6)
1. seal of vessel structure, it is by sealing sealing element on the upper surface of container finish, and on described oral area lid is installed, thus sealed container interior is characterized in that:
All projections in the inside face of the top board of described lid has, described in all projections be positioned near the inboard of inner periphery of described oral area, and with described sealing element butt.
2. seal of vessel structure as claimed in claim 1 wherein, has circular protrusion at the inside face of the top board of described lid, and this circular protrusion is via the upper surface butt of described sealing element and described oral area.
3. seal of vessel structure as claimed in claim 1 or 2 wherein, is being installed described lid in interstitial mode between described lid and described sealing element on the described oral area.
4. as any one the described seal of vessel structure in the claim 1～3, wherein, described lid is installed on the described oral area to capping again.
5. lid, it is installed in on the sealing element leak free container finish, it is characterized in that:
Possess the top board that covers described oral area,
And all projections in the inside face of described top board has, when being installed in described lid on the described oral area, described in all projections be positioned near inner periphery inboard of described oral area and with described sealing element butt.
6. lid as claimed in claim 5 wherein, at the inside face of described top board, has the circular protrusion via the upper surface butt of described sealing element and described oral area.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP230687/2005 | 2005-08-09 | ||
| JP2005230687A JP5002924B2 (en) | 2005-08-09 | 2005-08-09 | Container sealing structure and lid used therefor |
| PCT/JP2006/315326 WO2007018101A1 (en) | 2005-08-09 | 2006-08-02 | Sealing structure for container and cap used for the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101184675A true CN101184675A (en) | 2008-05-21 |
| CN101184675B CN101184675B (en) | 2011-05-25 |
Family
ID=37727287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800187384A Active CN101184675B (en) | 2005-08-09 | 2006-08-02 | Sealing structure for container and cap used for the same |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20090120935A1 (en) |
| EP (1) | EP1914175A4 (en) |
| JP (1) | JP5002924B2 (en) |
| KR (1) | KR101351218B1 (en) |
| CN (1) | CN101184675B (en) |
| WO (1) | WO2007018101A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL210516B1 (en) | 2007-02-18 | 2012-01-31 | Przedsiębiorstwo Prod Handlowe Prymat Społka Z Ograniczoną Odpowiedzialnoś | Packaging for loose grocery products |
| NL1037405C2 (en) * | 2009-10-16 | 2011-04-19 | Ppg Industries Inc | Pouch for paint colourant. |
| WO2013125941A1 (en) * | 2012-02-21 | 2013-08-29 | N.V. Nutricia | Container with sealing lid construction |
| ITUA20162106A1 (en) * | 2016-03-30 | 2017-09-30 | Guala Pack Spa | STERILIZATION SYSTEM FOR FLEXIBLE BODY PACKAGING (POUCH) |
| JP7340909B2 (en) * | 2018-05-30 | 2023-09-08 | 株式会社吉野工業所 | Cap for squeeze container |
| JP2020026302A (en) * | 2018-08-16 | 2020-02-20 | カゴメ株式会社 | Seal lid, container, and manufacturing method for container pack food |
| CH715533A1 (en) * | 2018-11-09 | 2020-05-15 | Alpla Werke Alwin Lehner Gmbh & Co Kg | Plastic container with a container neck with a pouring opening and method for producing a plastic container made from a preform. |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS577609Y2 (en) * | 1976-04-28 | 1982-02-13 | ||
| JPS5821411Y2 (en) * | 1980-10-18 | 1983-05-06 | 株式会社 シンワ機械 | Seal container protection device |
| GB2123392B (en) * | 1982-07-10 | 1985-11-06 | Mardon Illingworth | Container sealing devices and method of sealing containers |
| US4501371A (en) * | 1983-12-05 | 1985-02-26 | Owens-Illinois, Inc. | Tamper indicating, non-resealable closure |
| US4637519A (en) * | 1985-09-03 | 1987-01-20 | Sun Coast Plastics, Inc. | Two part closure |
| US4767016A (en) * | 1987-08-18 | 1988-08-30 | Adolph Coors Company | Liquor bottle capping assembly |
| IL89091A (en) * | 1988-02-16 | 1994-06-24 | Aichinger Dietmar F | Closure for container and a tool for its manufacture |
| JP2505053Y2 (en) * | 1990-06-12 | 1996-07-24 | 東洋製罐株式会社 | Packaging container |
| JPH06219464A (en) | 1993-01-19 | 1994-08-09 | Mitsubishi Plastics Ind Ltd | Plastic retort pouch |
| US5503282A (en) * | 1995-04-10 | 1996-04-02 | Sunbeam Plastics Corporation | Closure for pressurized container |
| US6477823B1 (en) * | 1998-07-30 | 2002-11-12 | Kerr Group, Inc. | Closure and container system for hot filled containers |
| GB9907338D0 (en) * | 1999-03-31 | 1999-05-26 | Rexam Containers Ltd | Container and closure cap |
| JP2001122315A (en) * | 1999-10-21 | 2001-05-08 | Athena Kogyo Co Ltd | Food container with inner lid |
| JP4549489B2 (en) * | 2000-05-19 | 2010-09-22 | 大日本印刷株式会社 | Outlet association |
| JP2002104453A (en) * | 2001-08-01 | 2002-04-10 | Toyo Seikan Kaisha Ltd | Pouch spout |
| JP4326808B2 (en) * | 2003-01-20 | 2009-09-09 | 株式会社細川洋行 | Packaging bag with mouth |
| FR2863589B1 (en) * | 2003-12-12 | 2006-01-13 | Bericap | PLUG COMPRISING AN INTERNAL LIP AND AN EXTERNAL LIP SEAL |
-
2005
- 2005-08-09 JP JP2005230687A patent/JP5002924B2/en active Active
-
2006
- 2006-08-02 WO PCT/JP2006/315326 patent/WO2007018101A1/en active Application Filing
- 2006-08-02 CN CN2006800187384A patent/CN101184675B/en active Active
- 2006-08-02 EP EP06782195A patent/EP1914175A4/en not_active Withdrawn
- 2006-08-02 KR KR1020087000751A patent/KR101351218B1/en active IP Right Grant
- 2006-08-02 US US11/988,281 patent/US20090120935A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080033255A (en) | 2008-04-16 |
| EP1914175A1 (en) | 2008-04-23 |
| CN101184675B (en) | 2011-05-25 |
| KR101351218B1 (en) | 2014-01-13 |
| JP2007045443A (en) | 2007-02-22 |
| WO2007018101A1 (en) | 2007-02-15 |
| JP5002924B2 (en) | 2012-08-15 |
| US20090120935A1 (en) | 2009-05-14 |
| EP1914175A4 (en) | 2010-12-15 |
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