US20070051691A1 - Cap with visible tamper-indicating seal - Google Patents
Cap with visible tamper-indicating seal Download PDFInfo
- Publication number
- US20070051691A1 US20070051691A1 US11/273,334 US27333405A US2007051691A1 US 20070051691 A1 US20070051691 A1 US 20070051691A1 US 27333405 A US27333405 A US 27333405A US 2007051691 A1 US2007051691 A1 US 2007051691A1
- Authority
- US
- United States
- Prior art keywords
- cap
- cover
- closure
- tamper
- generally circular
- 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
Links
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- 239000011888 foil Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000009877 rendering Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 11
- 239000012528 membrane Substances 0.000 description 8
- 230000006698 induction Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 235000020183 skimmed milk Nutrition 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 235000008939 whole milk Nutrition 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
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
- B65D55/06—Deformable or tearable wires, strings, or strips; Use of seals, e.g. destructible locking pins
- B65D55/066—Foil covers combined with outer closures and comprising interacting or interposed tamper indicating means visible through the outer closure, e.g. releasable coloured dyes, changeable patterns, pierceable membranes, visible through a transparent closure or through a window
-
- 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
- B65D41/00—Caps, 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
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
- B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
- B65D41/045—Discs
-
- 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
- B65D41/00—Caps, 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
- B65D41/32—Caps 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
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/3404—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element
- B65D41/3409—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element the tamper element being integrally connected to the closure by means of bridges
-
- 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
- B65D41/00—Caps, 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
- B65D41/32—Caps 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
- B65D41/46—Snap-on caps or cap-like covers
-
- 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
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
-
- 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
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
- B65D55/024—Closures in which a part has to be ruptured to gain access to the contents
-
- 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
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
- B65D55/026—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure initial opening or unauthorised access being indicated by a visual change using indicators other than tearable means, e.g. change of colour, pattern or opacity
-
- 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
- B65D2203/00—Decoration means, markings, information elements, contents indicators
- B65D2203/02—Labels
-
- 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
Definitions
- the inventions described herein relate to closure devices, and in particular, relate to a cap and liner (such as a tamper indicating seal or membrane) combination for bottles.
- the preferred cap of the present inventions is at least partially transparent or translucent to allow a customer to perceive a printed or colored liner or membrane through the cap at the point of purchase.
- An alternative cap of the present invention includes a raised portion or ridge on an upper surface of the cap to reduce the surface friction during capping operations.
- Another alternative cap of the present invention incorporates a lid which is at least partially transparent to allow a customer to perceive a printed or colored liner or membrane through the cap at the point of purchase, wherein the transparent portion is polished to increase the clarity, and incorporates a raised ridge on an upper surface of the lid, wherein the ridge prevents marring to the polished surface.
- caprs use different colored caps to differentiate one kind of milk from another; i.e., red caps may be used to designate whole milk, light blue for skim milk, and yellow for 1%, etc. Colored caps are also used to designate different kinds of juices or different flavors of beverages.
- a seal or liner
- Cap suppliers often sell their colored caps with the liners placed on the inside of the cap. Because the liner is pre-installed on the inside of the cap, the liner is pressed against the bottle neck into intimate contact with the lip of the bottle opening when the cap is applied to the bottle.
- Two types of liners are generally in use today with blow molded bottles.
- the first type of liner is made of a soft pliable sealing material, such as a foam.
- the second type of liner, a foil liner has a heat sensitive surface which can be heated into sealing engagement with the lip of a container neck by induction heating to form a membrane sealing the container closed.
- caps on bottles sold to consumers include an integrally formed (i.e., injection molded) feature such as a ratchet ring for threaded caps and a pull-tab for push-on caps.
- liners are often used.
- bottlers often use a liner that can be heat sealed around the opening of the bottle.
- the heat sealed liners are tamper evident in that, once the liner is removed from the lip of the bottle opening, the liner cannot be easily reattached to the bottle opening. Therefore, upon opening the bottle at home, the consumer can ascertain whether the product has been tampered with by visually verifying that the liner is present and sealed to the bottle opening.
- the opaque caps of the prior art prevent consumers from ascertaining at the point of purchase whether the second level of tamper evidence—i.e. the heat seal label—has been tampered with.
- the prior art caps incorporate a first level tamper-evident feature into the cap that prevents the consumer from verifying the condition of the seal until after the purchase is made when the consumer removes the cap.
- consumers do not remove the cap until they have arrived at home, sometimes days after they have made the purchase. In the event that the consumer finds a broken seal, it will be very inconvenient for the consumer to return the product to the store.
- a cap and liner combination which will provide a cost effective method of identifying the contents of a bottle.
- a cap and liner combination which will allow a consumer to ascertain, at the point of purchase, whether someone has tampered with the tamper-evident seal.
- the present inventions relate to a clear cap and liner combination for bottles which solves the problems of the prior art.
- the preferred cap of the present inventions is at least partially transparent or translucent to allow a customer to perceive the liner through the cap at the point of purchase.
- the liner serves as a label, wherein the customer can perceive, through the cap, information such as printing.
- the printing can be indicative of the product, such as the name of the manufacturer, the name of the bottle contents, ingredients, and/or nutritional data. Because the liner can be easily customized to identify the product contained in a bottle, only one version of a cap need be manufactured for use with many different products.
- the liner serves as a tamper evident seal, wherein the customer can perceive, through the cap, whether the seal has been breached. As such, the consumer will know, at the point of purchase, whether or not the product has been tampered with.
- the liner serves as both a label and a seal, wherein the liner creates a liquid resistant seal between the cap and the opening of the bottle.
- the liner serves as both a label and a tamper evident seal.
- the preferred cap feature comprises a raised portion on a top surface of the cap.
- the raised portion is preferably characterized as a circumferential ridge which is disposed adjacent to a perimeter of the lid of the cap. When inverted and laid on a flat surface, the cap is supported entirely by the raised portion. Consequently, the contact surface area is reduced as compared to a traditional cap. This reduces surface friction of the cap and improves feeding of the cap during capping operations.
- the raised portion is embodied in a “clear” cap of the present invention, the raised portion has the characteristic of protecting the clear portion of the cap, minimizing distortion.
- the preferred application for the present inventions is as a closure device for blow-molded bottles.
- caps which are generally in use today with blow-molded bottles: push-on caps and screw-on caps.
- These kinds of caps are often injection molded with polyethylene (both high and low density) or polypropylene, a common material used in injection molding.
- polishing of mold surfaces is important as is reducing the thickness of the top wall; however, the top wall should have a thickness greater than 0.025′′. It is contemplated that the mold surfaces corresponding to both the top and bottom surface of the circular cover can be polished to increase clarity.
- FIG. 1 is an exploded perspective view of the bottle cap and liner of the present invention with a corresponding blow-molded bottle;
- FIG. 2 is a top view of the present invention which is applied to a corresponding blow-molded bottle;
- FIG. 3 is a cross-sectional view of a screw-on cap with a liner placed between the underside of the cap and the lip of a bottle neck;
- FIG. 4 is a top view of a standard heat seal liner
- FIG. 5 is a perspective view of an improved heat seal liner
- FIG. 6 is a cross-sectional view of a push-on cap with a liner placed between the underside of the cap and the lip of a bottle neck;
- FIG. 7 is a perspective view of an alternative embodiment of a the bottle cap of the present inventions.
- FIG. 8 is a top view of the alternative embodiment of the bottle cap
- FIG. 9 is a sectional view of the alternative embodiment of the bottle cap taken at the section identified in FIG. 8 ;
- FIG. 10 is a close-up sectional view of the alternative embodiment of the bottle cap
- FIG. 1 generally depicts one of the preferred embodiments of the present invention.
- An exploded perspective view of a container 14 , bottle cap 2 a , liner 4 , and bottle neck 6 a combination is shown.
- the cap 2 a is non-opaque such that printing on the liner 4 can be perceived through the cap 2 a.
- the bottle cap 2 a shown in FIG. 1 is a screw-on type cap 2 a .
- Screw-on caps 2 a typically comprise a circular cover 20 a , a skirt 22 a depending from the peripheral edge of the circular cover 20 a , and a ratchet ring 24 which is frangibly attached below the skirt 22 a .
- On the inside surface 34 a of the skirt 22 a are threads 26 —preferably four—which are adapted to mate with corresponding threads 66 on the neck 6 a of the bottle.
- the ratchet ring 24 has internal teeth 28 for engagement with the bottle neck 6 a , which has external teeth 74 .
- Every other one of the internal teeth 28 are attached to a plurality of semi-circular outwardly directed tabs 30 which are equally spaced around the periphery of the skirt 22 a , forming the frangible connection between the ratchet ring 24 and the bottle cap 2 a .
- the screw-on cap 2 a see U.S. Pat. No. 6,003,701 which is incorporated herein by reference.
- the cap 2 c having a circular cover 22 c , a skirt 24 c , and a ratchet ring 24 , is characterized by a raised portion or ridge 80 .
- the cap 2 c is not limited as such. Indeed, the raised ridge 80 can be embodied on a push-on cap as well.
- the ridge 80 serves as a contact surface for the cap 2 c during capping operations, wherein the ridge 80 provides a reduced contact surface area. Consequently, the ridge 80 reduces the surface friction encountered during capping operations, especially during feeding of the cap.
- the ridge 80 can be disposed in any pattern and any location on the circular cover 20 c
- the ridge 80 preferably is generally circular and disposed near an edge 82 of the circular cover 20 c .
- the ridge 80 is preferably plateau-shaped in cross section, having a flat portion 86 between an outside step 88 and an inside step 90 .
- the cap 2 c can embodity a plurality of raised portions which are aligned circumferentially near the edge 82 of the circular cover 20 c.
- the ridge 80 may become slightly marred during, before, or after capping operations.
- the ridge 80 is preferably provided with a matte finish to mask any damage which may occur.
- the claims cover caps 2 a in which only a portion of the cap 2 a is non-opaque; i.e. the cap 2 a would have a window. Accordingly, at least a portion of the cap 2 a of the present invention is non-opaque such that the liner 4 can be perceived through the cap 2 a , preferably through the circular cover 20 a of the cap 2 a .
- the non-opaque cap 2 a may be translucent or transparent. However, it is preferable that at least the entire circular cover 20 a is transparent to prevent distortion of any printing which is present on the liner 4 .
- Distortion can minimized by careful resin selection/processing and mold polishing.
- the mold in the area that forms the top of the cap is preferably polished to SPI A-1, so that any surface diffraction of light passing through top or lid of the cap is minimized, making the top of the cap as transparent as possible.
- distortion may be a desired characteristic.
- the cap 4 may be translucent so that the label 4 is at least still perceivable.
- the cap 2 a is preferably colorless, but some applications may require a colored cap. Nevertheless, the colored caps are non-opaque and are simply characterized by a hue. Both colorless and colored, non-opaque caps are covered by the claims herein.
- the liner 4 is displaced between the bottle cap 2 a and bottle neck 6 a .
- Two general types of liners 4 are preferred for the present invention: foam or foil.
- Foam liners 4 generally form a seal when compressed between the cap 2 a and the lip 68 of the bottle neck 6 a .
- Foil liners 4 are generally used when the bottler desires to form a heat seal on the lip 68 of the bottle neck 6 a .
- a material that is suitable for the foam liner 4 is a foamed sheet material made of styrene and having a thickness for some applications of about 0.040′′ inches. However, a person of ordinary skill in the art would know that many other materials can be used as an acceptable substitute to form the foam liner 4 .
- Foil liners 4 are generally constructed of multiple layers. At a minimum, the foil liner must have a metal (preferably aluminum) layer with a plastic layer laminated on the underside of the metal layer to facilitate induction heat sealing to the lip 68 of the bottle neck 6 a . Some liners have a paper (or foam) backing adhered (via an adhesive) to the metal layer.
- an induction sealed liner (or other tamper indicating interior seal)
- the elimination of a ratchet ring or pull tab will reduce the amount of plastic used to make the cap, and will allow the shipment of more closures in a box, when the closure are shipped.
- liners 4 can be used that do not form a seal at the lip 68 of the bottle neck 6 a .
- a liner 4 may be used to provide an indication of the contents of the bottle 62 a and not for sealing purposes.
- Such a non-sealing liner 4 could be comprised of a laminated paper or a simple foam disc.
- the preferred liner 4 of the present invention provides an indication of the contents of the bottle through printing or coloring.
- An example of such a liner 4 is shown in FIG. 2 , which is a top view of a bottle cap 2 a and liner 4 of the present invention placed on top of a bottle neck.
- the printing on the label 4 “2%,” can be perceived through the cap 2 a , being that the cap 2 a is transparent.
- a covering layer such as a lacquer or varnish or thin protective adhesive sheet to protect the printing from chipping or smearing.
- the diameter of the liner 4 is generally sized to correspond to the diameter of the inside surface 34 a of the bottle cap 2 a such that the liner 4 fits snugly inside of the bottle cap 2 a . It is preferable that the liner 4 is held firmly against the underside of the circular cover 20 a to optimize printing clarity as seen through the circular cover 20 a . At a minimum, however, the bottle cap 2 a must hold the liner 4 near the underside of the circular cover 20 a such that the liner 4 does not fall out of the bottle cap during the bottling operations. This can be achieved through several means. First, the liner 4 can be held inside of the bottle cap 2 a by friction.
- holding means could be formed one the inside surface 34 a of the bottle cap 2 a to engage with the periphery of the liner 4 , such as an inwardly directed projection.
- the internal threads 26 of the preferred embodiment double as holding means, wherein the ends 32 of the threads 26 retain the liner 4 in place.
- the bottle neck 6 a which is used with the present invention, is generally positioned at the top of the body 62 a of a blow-molded bottle and is formed of a generally cylindrical exterior surface 64 a .
- a lip 68 which defines an opening 70 .
- the lip 68 is generally inwardly directed to form a sealing surface for sealing with the liner 4 and bottle cap 2 a .
- the exterior surface 64 a preferably includes four threads 66 which engage threads 26 on the inside surface of the cap skirt 6 .
- the bottle neck 6 a preferably includes two ratchet portions 72 having a plurality of ratchet teeth 74 .
- the two ratchet portions 72 are located diametrically opposite each other on the exterior surface 64 a below the threads 66 .
- the container 14 also includes a circumferential “bumper roll” or transfer ring 76 located below the ratchet portions 72 to facilitate gripping the bottle during the filling operation and grabbing the bottle during the loading of the bottle into a shipping container.
- the liner 4 a in FIG. 3 is shown affixed to the lip 68 of the bottle neck 6 a by heat sealing. Heat sealing can be performed by conduction or induction; however, induction is the preferred method for heat sealing the liner 4 to the blow-molded bottle.
- the liner 4 a is a standard liner having a semicircular tab 40 extending from the periphery of the liner 4 a .
- the tab 40 provides a gripping point to aid in the removal of the liner 4 a by the consumer.
- a standard foil liner is depicted in FIG. 3 , the invention is not limited to this embodiment.
- the liner 4 b may have a paper, foam or other backing.
- the liner 4 b of FIG. 5 also has a semicircular grip or tab 42 , although the tab is much larger than the grip or pull tab 40 .
- the diameter of the grip or tab 42 is preferably equal to the diameter of the liner 4 b .
- the tab 42 extends from a diameter of the liner 4 b instead of the periphery.
- the liner 4 b is preferable to the liner 4 a , because the tab 40 of the liner 4 a could interfere with application of the bottle cap 4 a to the bottle neck 6 a ; the tab 40 is generally folded downward and is displaced between the threads 26 of the bottle cap 4 a and the threads 66 of the bottle neck 6 a .
- the liner 4 b is commercially available from Unipac (of Canada) under the trademark Lift ‘n’ PeelTM.
- Push-on caps 2 b typically comprise a circular cover 20 b , a skirt 22 b depending from the circular cover 20 b , and a pull-tab 23 which is frangibly connected to the bottom of the skirt 22 b .
- the circular cover 20 b typically has a greater diameter than the cross-section of the skirt 22 b whereby the cover 20 b extends beyond the periphery of the skirt 22 b to provide a gripping surface for removing the cap 2 b from the bottle 62 b .
- the pull-tab 23 is integrally molded with the cap 2 b .
- the pull-tab 23 is used to separate the lower part of skirt 22 b from the upper part of the skirt 22 b by tearing the skirt along a scored tear line 21 .
- a lower bead 25 on the inside surface of the lower part of the skirt 22 b engages with the corresponding lower rib 27 on the bottle neck 6 b .
- the lower bead 25 is located such that the cap 2 b cannot be removed by the customer without first tearing the lower part of the skirt it away from the cap 2 b along the tear line 21 .
- An upper bead 29 on the inside surface of the skirt 22 b engages with a corresponding rib upper rib 31 on the exterior of the bottle neck 6 b for retaining the cap 2 b on the bottle 62 b after the lower part of the skirt has been removed, such that the cap 2 b can be reapplied to and retained by the upper rib 31 .
- the raised ridge 80 can be used with a cap 2 c having a non-opaque portion 86 .
- the ridge 80 surrounds the non-opaque portion 84 , providing a contact surface for the cover 20 c to prevent marring of the non-opaque portion.
- the non-opaque portion 84 can surround the ridge 80 or raised portion.
- the raised portion 80 can be embodied in any other pattern.
- the ridge 80 can be polished like the non-opaque portion 84 or matte; however, the ridge 80 is preferably matte for reasons discussed above.
- closures made in accordance with the invention will also have beneficial application on other containers, such as fiberboard containers with fitments that include an internal tamper-indicating pull ring (or grip) and frangible membrane, such as those shown in U.S. Pat. No. 6,464,096.
- tamper-indicating seal is intended to include both a foil liner, as discussed above, and a removeable membrane with a grip to help remove the membrane as discussed in the '096 patent referred to above.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
The inventions disclosed herein include a clear cap and tamper-indicating seal combination, a translucent cap and seal combination, an improved cap embodying a raised ridge for providing a contact surface on the top of the cap, among other inventions. The preferred cap is at least partially non-opaque to allow a customer to perceive the tamper-indicating seal through the cap at the point of purchase. In a first embodiment, the tamper-indicating seal serves as a label, wherein the customer can perceive, through the cap, information such as printing which is indicative of the contents of the container. In a second embodiment, the tamper-indicating seal serves as a tamper evident seal, wherein the customer can perceive, through the cap, at the point of purchase, whether the seal has been breached. In a third embodiment, the tamper-indicating seal serves as both a label and a seal, wherein the tamper-indicating seal creates a liquid resistant seal between the cap and the opening of the container. In a forth embodiment, the tamper-indicating seal serves as both a label and a tamper evident seal. In a fifth embodiment of the present invention, a cap is provided with a raised portion on a top surface of the cap for reducing the frictional surface area of the cap during capping operations.
Description
- This is a continuation-in-part application of parent application Ser. No. 11/222,429 filed Sep. 8, 2005.
- The inventions described herein relate to closure devices, and in particular, relate to a cap and liner (such as a tamper indicating seal or membrane) combination for bottles. The preferred cap of the present inventions is at least partially transparent or translucent to allow a customer to perceive a printed or colored liner or membrane through the cap at the point of purchase. An alternative cap of the present invention includes a raised portion or ridge on an upper surface of the cap to reduce the surface friction during capping operations. Another alternative cap of the present invention incorporates a lid which is at least partially transparent to allow a customer to perceive a printed or colored liner or membrane through the cap at the point of purchase, wherein the transparent portion is polished to increase the clarity, and incorporates a raised ridge on an upper surface of the lid, wherein the ridge prevents marring to the polished surface.
- To identify the contents of a bottle, it is well known in the art to use opaque, colored caps, to apply adhesive backed labels to the top surface of a cap, and/or to print directly on the top of the cap. In the field of bottling and selling milk, bottlers use different colored caps to differentiate one kind of milk from another; i.e., red caps may be used to designate whole milk, light blue for skim milk, and yellow for 1%, etc. Colored caps are also used to designate different kinds of juices or different flavors of beverages.
- To provide a liquid-tight seal on a bottle, it is well known in the art to use a seal, or liner, in combination with the cap. Cap suppliers often sell their colored caps with the liners placed on the inside of the cap. Because the liner is pre-installed on the inside of the cap, the liner is pressed against the bottle neck into intimate contact with the lip of the bottle opening when the cap is applied to the bottle. Two types of liners are generally in use today with blow molded bottles. The first type of liner is made of a soft pliable sealing material, such as a foam. The second type of liner, a foil liner, has a heat sensitive surface which can be heated into sealing engagement with the lip of a container neck by induction heating to form a membrane sealing the container closed.
- In the bottling industry, it is well known to include tamper-evident features. With blow-molded bottles, bottlers often incorporate two levels of tamper evident features. A first level is incorporated into the design of the cap and a second level is incorporated underneath the cap. For a first level of tamper evidence, caps on bottles sold to consumers include an integrally formed (i.e., injection molded) feature such as a ratchet ring for threaded caps and a pull-tab for push-on caps. For a second level of tamper evidence, liners are often used. In particular, bottlers often use a liner that can be heat sealed around the opening of the bottle. The heat sealed liners are tamper evident in that, once the liner is removed from the lip of the bottle opening, the liner cannot be easily reattached to the bottle opening. Therefore, upon opening the bottle at home, the consumer can ascertain whether the product has been tampered with by visually verifying that the liner is present and sealed to the bottle opening.
- While the combination of bottle caps and liners of the types currently in use provides for an acceptable means of product identification and sealing, these combinations do have their limitations. First, it is more costly to manufacture caps in an array of colors. This is because it takes time to change an injection molding machine over from one color to another, and because keeping inventory of various colors of caps means that more investment is required for that inventory and for the equipment and personnel to manage that inventory.
- Second, the opaque caps of the prior art prevent consumers from ascertaining at the point of purchase whether the second level of tamper evidence—i.e. the heat seal label—has been tampered with. As discussed above, the prior art caps incorporate a first level tamper-evident feature into the cap that prevents the consumer from verifying the condition of the seal until after the purchase is made when the consumer removes the cap. Generally, consumers do not remove the cap until they have arrived at home, sometimes days after they have made the purchase. In the event that the consumer finds a broken seal, it will be very inconvenient for the consumer to return the product to the store.
- Therefore, there is a need for a cap and liner combination which will provide a cost effective method of identifying the contents of a bottle. There is also a need for a cap and liner combination which will allow a consumer to ascertain, at the point of purchase, whether someone has tampered with the tamper-evident seal.
- The present inventions relate to a clear cap and liner combination for bottles which solves the problems of the prior art. The preferred cap of the present inventions is at least partially transparent or translucent to allow a customer to perceive the liner through the cap at the point of purchase. In one embodiment, the liner serves as a label, wherein the customer can perceive, through the cap, information such as printing. The printing can be indicative of the product, such as the name of the manufacturer, the name of the bottle contents, ingredients, and/or nutritional data. Because the liner can be easily customized to identify the product contained in a bottle, only one version of a cap need be manufactured for use with many different products. In a second embodiment, the liner serves as a tamper evident seal, wherein the customer can perceive, through the cap, whether the seal has been breached. As such, the consumer will know, at the point of purchase, whether or not the product has been tampered with. In a third embodiment, the liner serves as both a label and a seal, wherein the liner creates a liquid resistant seal between the cap and the opening of the bottle. In a forth embodiment, the liner serves as both a label and a tamper evident seal.
- Also disclosed herein is a cap feature for reducing the surface friction of the cap to improve the efficiency of capping operations and/or for preventing damage to the transparent portion of the cap. The preferred cap feature comprises a raised portion on a top surface of the cap. The raised portion is preferably characterized as a circumferential ridge which is disposed adjacent to a perimeter of the lid of the cap. When inverted and laid on a flat surface, the cap is supported entirely by the raised portion. Consequently, the contact surface area is reduced as compared to a traditional cap. This reduces surface friction of the cap and improves feeding of the cap during capping operations. When the raised portion is embodied in a “clear” cap of the present invention, the raised portion has the characteristic of protecting the clear portion of the cap, minimizing distortion.
- Although not limited as such, the preferred application for the present inventions is as a closure device for blow-molded bottles. There are two types of caps which are generally in use today with blow-molded bottles: push-on caps and screw-on caps. These kinds of caps are often injection molded with polyethylene (both high and low density) or polypropylene, a common material used in injection molding. To increase clarity of the cap, polishing of mold surfaces is important as is reducing the thickness of the top wall; however, the top wall should have a thickness greater than 0.025″. It is contemplated that the mold surfaces corresponding to both the top and bottom surface of the circular cover can be polished to increase clarity.
- These and other features, aspects, objects, and advantages of the inventions described and claimed herein will be become better understood upon consideration of the following detailed description, appended claims and accompanying drawings where:
-
FIG. 1 is an exploded perspective view of the bottle cap and liner of the present invention with a corresponding blow-molded bottle; -
FIG. 2 is a top view of the present invention which is applied to a corresponding blow-molded bottle; -
FIG. 3 is a cross-sectional view of a screw-on cap with a liner placed between the underside of the cap and the lip of a bottle neck; -
FIG. 4 is a top view of a standard heat seal liner; -
FIG. 5 is a perspective view of an improved heat seal liner; -
FIG. 6 is a cross-sectional view of a push-on cap with a liner placed between the underside of the cap and the lip of a bottle neck; and, -
FIG. 7 is a perspective view of an alternative embodiment of a the bottle cap of the present inventions; -
FIG. 8 is a top view of the alternative embodiment of the bottle cap; -
FIG. 9 is a sectional view of the alternative embodiment of the bottle cap taken at the section identified inFIG. 8 ; and, -
FIG. 10 is a close-up sectional view of the alternative embodiment of the bottle cap - It should be understood that the drawings are not necessarily to scale and that the embodiments are sometimes illustrated by graphic symbols, phantom lines, diagrammatic representations and fragmentary views. In certain instances, details which are not necessary for an understanding of the inventions described and claimed herein or which render other details difficult to perceive may have been omitted. It should be understood, of course, that the inventions described herein are not necessarily limited to the particular embodiments illustrated herein.
- Like reference numerals will be used to refer to like or similar parts from Figure to Figure in the following description of the drawings.
-
FIG. 1 generally depicts one of the preferred embodiments of the present invention. An exploded perspective view of acontainer 14,bottle cap 2 a,liner 4, and bottle neck 6 a combination is shown. As demonstrated inFIGS. 1 and 2 , thecap 2 a is non-opaque such that printing on theliner 4 can be perceived through thecap 2 a. - The
bottle cap 2 a shown inFIG. 1 is a screw-ontype cap 2 a. Screw-oncaps 2 a typically comprise acircular cover 20 a, askirt 22 a depending from the peripheral edge of thecircular cover 20 a, and aratchet ring 24 which is frangibly attached below theskirt 22 a. On the inside surface 34 a of theskirt 22 a arethreads 26—preferably four—which are adapted to mate withcorresponding threads 66 on the neck 6 a of the bottle. Theratchet ring 24 hasinternal teeth 28 for engagement with the bottle neck 6 a, which hasexternal teeth 74. Every other one of theinternal teeth 28 are attached to a plurality of semi-circular outwardly directedtabs 30 which are equally spaced around the periphery of theskirt 22 a, forming the frangible connection between theratchet ring 24 and thebottle cap 2 a. For further details regarding the screw-oncap 2 a, see U.S. Pat. No. 6,003,701 which is incorporated herein by reference. - Referring now to
FIGS. 7-10 , an alternative embodiment of thecap 2 c of the present invention is depicted. Thecap 2 c, having acircular cover 22 c, a skirt 24 c, and aratchet ring 24, is characterized by a raised portion orridge 80. Although depicted as a screw-on cap, thecap 2 c is not limited as such. Indeed, the raisedridge 80 can be embodied on a push-on cap as well. Theridge 80 serves as a contact surface for thecap 2 c during capping operations, wherein theridge 80 provides a reduced contact surface area. Consequently, theridge 80 reduces the surface friction encountered during capping operations, especially during feeding of the cap. - While the
ridge 80 can be disposed in any pattern and any location on thecircular cover 20 c, theridge 80 preferably is generally circular and disposed near anedge 82 of thecircular cover 20 c. Further, theridge 80 is preferably plateau-shaped in cross section, having aflat portion 86 between anoutside step 88 and aninside step 90. Alternatively, thecap 2 c can embodity a plurality of raised portions which are aligned circumferentially near theedge 82 of thecircular cover 20 c. - As the primary contact surface for the
cover 20 c of thecap 2 c, theridge 80 may become slightly marred during, before, or after capping operations. To improve the overall appearance of the cap, theridge 80 is preferably provided with a matte finish to mask any damage which may occur. - Referring again to
FIG. 1 , although the depictedcap 2 a is entirely non-opaque, the claims covercaps 2 a in which only a portion of thecap 2 a is non-opaque; i.e. thecap 2 a would have a window. Accordingly, at least a portion of thecap 2 a of the present invention is non-opaque such that theliner 4 can be perceived through thecap 2 a, preferably through thecircular cover 20 a of thecap 2 a. Thenon-opaque cap 2 a may be translucent or transparent. However, it is preferable that at least the entirecircular cover 20 a is transparent to prevent distortion of any printing which is present on theliner 4. Distortion can minimized by careful resin selection/processing and mold polishing. The mold in the area that forms the top of the cap is preferably polished to SPI A-1, so that any surface diffraction of light passing through top or lid of the cap is minimized, making the top of the cap as transparent as possible. However, for certain applications, distortion may be a desired characteristic. For such an application, thecap 4 may be translucent so that thelabel 4 is at least still perceivable. - The
cap 2 a is preferably colorless, but some applications may require a colored cap. Nevertheless, the colored caps are non-opaque and are simply characterized by a hue. Both colorless and colored, non-opaque caps are covered by the claims herein. - As shown in
FIG. 1 , theliner 4 is displaced between thebottle cap 2 a and bottle neck 6 a. Two general types ofliners 4 are preferred for the present invention: foam or foil.Foam liners 4 generally form a seal when compressed between thecap 2 a and thelip 68 of the bottle neck 6 a.Foil liners 4 are generally used when the bottler desires to form a heat seal on thelip 68 of the bottle neck 6 a. A material that is suitable for thefoam liner 4 is a foamed sheet material made of styrene and having a thickness for some applications of about 0.040″ inches. However, a person of ordinary skill in the art would know that many other materials can be used as an acceptable substitute to form thefoam liner 4.Foil liners 4 are generally constructed of multiple layers. At a minimum, the foil liner must have a metal (preferably aluminum) layer with a plastic layer laminated on the underside of the metal layer to facilitate induction heat sealing to thelip 68 of the bottle neck 6 a. Some liners have a paper (or foam) backing adhered (via an adhesive) to the metal layer. - If an induction sealed liner (or other tamper indicating interior seal) is used, it may be possible to do any of the following: 1) completely eliminate a ratchet ring in the context of a screw cap 2) completely eliminate the pull tab in the context of a push-on cap, or 3) otherwise use simple non-tamper-indicating closure, and rely entirely on the inner tamper indicating seal, particularly when its condition (or presence) is readily visible through a transparent or translucent cap in accordance with the present invention. Among other things, the elimination of a ratchet ring or pull tab will reduce the amount of plastic used to make the cap, and will allow the shipment of more closures in a box, when the closure are shipped.
- It is also contemplated that
other liners 4 can be used that do not form a seal at thelip 68 of the bottle neck 6 a. Such aliner 4 may be used to provide an indication of the contents of the bottle 62 a and not for sealing purposes. Such anon-sealing liner 4 could be comprised of a laminated paper or a simple foam disc. - The
preferred liner 4 of the present invention provides an indication of the contents of the bottle through printing or coloring. An example of such aliner 4 is shown inFIG. 2 , which is a top view of abottle cap 2 a andliner 4 of the present invention placed on top of a bottle neck. The printing on thelabel 4, “2%,” can be perceived through thecap 2 a, being that thecap 2 a is transparent. In some cases, depending on the thickness, softness and surface properties of the foam to which printing ink is applied, it may be useful to apply a covering layer, such as a lacquer or varnish or thin protective adhesive sheet to protect the printing from chipping or smearing. - The diameter of the
liner 4 is generally sized to correspond to the diameter of the inside surface 34 a of thebottle cap 2 a such that theliner 4 fits snugly inside of thebottle cap 2 a. It is preferable that theliner 4 is held firmly against the underside of thecircular cover 20 a to optimize printing clarity as seen through thecircular cover 20 a. At a minimum, however, thebottle cap 2 a must hold theliner 4 near the underside of thecircular cover 20 a such that theliner 4 does not fall out of the bottle cap during the bottling operations. This can be achieved through several means. First, theliner 4 can be held inside of thebottle cap 2 a by friction. Alternatively, holding means could be formed one the inside surface 34 a of thebottle cap 2 a to engage with the periphery of theliner 4, such as an inwardly directed projection. As shown inFIG. 3 , theinternal threads 26 of the preferred embodiment double as holding means, wherein the ends 32 of thethreads 26 retain theliner 4 in place. - Referring back to
FIG. 1 , the bottle neck 6 a, which is used with the present invention, is generally positioned at the top of the body 62 a of a blow-molded bottle and is formed of a generally cylindricalexterior surface 64 a. At the top edge of theexterior surface 64 a is alip 68 which defines anopening 70. Thelip 68 is generally inwardly directed to form a sealing surface for sealing with theliner 4 andbottle cap 2 a. Theexterior surface 64 a preferably includes fourthreads 66 which engagethreads 26 on the inside surface of the cap skirt 6. - Further, the bottle neck 6 a preferably includes two
ratchet portions 72 having a plurality ofratchet teeth 74. The tworatchet portions 72 are located diametrically opposite each other on theexterior surface 64 a below thethreads 66. Thecontainer 14 also includes a circumferential “bumper roll” ortransfer ring 76 located below theratchet portions 72 to facilitate gripping the bottle during the filling operation and grabbing the bottle during the loading of the bottle into a shipping container. - The
liner 4 a inFIG. 3 is shown affixed to thelip 68 of the bottle neck 6 a by heat sealing. Heat sealing can be performed by conduction or induction; however, induction is the preferred method for heat sealing theliner 4 to the blow-molded bottle. As better shown inFIG. 4 , theliner 4 a is a standard liner having asemicircular tab 40 extending from the periphery of theliner 4 a. Thetab 40 provides a gripping point to aid in the removal of theliner 4 a by the consumer. Even though a standard foil liner is depicted inFIG. 3 , the invention is not limited to this embodiment. For example, the liner 4 b may have a paper, foam or other backing. The liner 4 b ofFIG. 5 also has a semicircular grip ortab 42, although the tab is much larger than the grip orpull tab 40. The diameter of the grip ortab 42 is preferably equal to the diameter of the liner 4 b. Furthermore, thetab 42 extends from a diameter of the liner 4 b instead of the periphery. To remove the liner 4 b, the consumer would grip thetab 42, which is originally flush with the liner 4 b, and pull the tab upward until thetab 42 lies in a plane roughly perpendicular to the liner 4 b. Next, the consumer would apply upward force to thetab 42 to remove the liner 4 b from thelip 68 of the bottle neck 6 a. The liner 4 b is preferable to theliner 4 a, because thetab 40 of theliner 4 a could interfere with application of thebottle cap 4 a to the bottle neck 6 a; thetab 40 is generally folded downward and is displaced between thethreads 26 of thebottle cap 4 a and thethreads 66 of the bottle neck 6 a. The liner 4 b is commercially available from Unipac (of Canada) under the trademark Lift ‘n’ Peel™. - Although described herein with particular reference to screw on caps, the present inventions can also be used with push on caps 2 b, as shown in
FIG. 6 , and/or push-on—screw-off caps. Push-on caps 2 b typically comprise a circular cover 20 b, a skirt 22 b depending from the circular cover 20 b, and a pull-tab 23 which is frangibly connected to the bottom of the skirt 22 b. The circular cover 20 b typically has a greater diameter than the cross-section of the skirt 22 b whereby the cover 20 b extends beyond the periphery of the skirt 22 b to provide a gripping surface for removing the cap 2 b from the bottle 62 b. The pull-tab 23 is integrally molded with the cap 2 b. The pull-tab 23 is used to separate the lower part of skirt 22 b from the upper part of the skirt 22 b by tearing the skirt along a scoredtear line 21. A lower bead 25 on the inside surface of the lower part of the skirt 22 b engages with the correspondinglower rib 27 on the bottle neck 6 b. The lower bead 25 is located such that the cap 2 b cannot be removed by the customer without first tearing the lower part of the skirt it away from the cap 2 b along thetear line 21. Anupper bead 29 on the inside surface of the skirt 22 b engages with a corresponding ribupper rib 31 on the exterior of the bottle neck 6 b for retaining the cap 2 b on the bottle 62 b after the lower part of the skirt has been removed, such that the cap 2 b can be reapplied to and retained by theupper rib 31. - Referring again to
FIGS. 7-10 , it is contemplated that the raisedridge 80 can be used with acap 2 c having anon-opaque portion 86. In the preferred embodiment, theridge 80 surrounds thenon-opaque portion 84, providing a contact surface for thecover 20 c to prevent marring of the non-opaque portion. Alternatively, thenon-opaque portion 84 can surround theridge 80 or raised portion. Even further, the raisedportion 80 can be embodied in any other pattern. Theridge 80 can be polished like thenon-opaque portion 84 or matte; however, theridge 80 is preferably matte for reasons discussed above. - The application has particularly beneficial application in the field of blow-molded containers, such as those typically used for milk and juice to which a foil liner is typically and preferably applied. However, closures made in accordance with the invention will also have beneficial application on other containers, such as fiberboard containers with fitments that include an internal tamper-indicating pull ring (or grip) and frangible membrane, such as those shown in U.S. Pat. No. 6,464,096. Using a transparent overcap as part of such a fitment will allow a consumer to easily see whether the membrane is intact without having to remove the overcap. As used herein, the term “tamper-indicating seal” is intended to include both a foil liner, as discussed above, and a removeable membrane with a grip to help remove the membrane as discussed in the '096 patent referred to above.
- Although the inventions described and claimed herein (collectively sometimes referred to herein as the “invention”—singular) have been described in considerable detail with reference to certain preferred embodiments, one skilled in the art will appreciate that the inventions described and claimed herein can be practiced by other than the preferred embodiments, which have been presented for purposes of illustration and not of limitation. Therefore, the spirit and scope of the appended claims should not be limited to the description of the preferred embodiments contained herein.
Claims (28)
1. A closure for a container containing a product comprising:
a cap and a tamper-indicating seal;
the cap having a generally circular cover and a skirt depending from a periphery of the generally circular cover;
the generally circular cover and the skirt defining an interior space;
the cap having a skirt with at least one inwardly directed protuberance holding the tamper-indicating seal in the interior space;
at least a portion of the generally circular cover allowing the tamper-indicating seal to be viewed through the cover;
the tamper-indicating seal providing an indication about the product, said indication being visible through the circular cover; and,
the generally circular cover having a raised portion on a top surface.
2. The closure of claim 1 wherein the raised portion provides a reduced contact surface area to improve feeding of the cap during capping operations.
3. The closure of claim 1 wherein the raised portion provides a contact surface for the generally circular cover to protect the portion of the generally circular cover, which allows the tamper-indicating seal to be viewed through the cover, from marring.
4. The closure of claim 1 wherein the raised portion extends along at least a portion of the circumference of the generally circular cover.
5. The closure of claim 1 wherein the raised portion is generally circular and is disposed adjacent an outer edge of the generally circular cover.
6. The closure of claim 5 wherein the raised portion has a matte finish.
7. The closure of claim 1 wherein there is a plurality of spaced-apart raised portions on the top surface of the generally circular cover, the plurality of spaced-apart raised portions being arranged adjacent to an outer edge of the generally circular cover.
8. The closure of claim 7 wherein the plurality of spaced-apart raised portions have a matte finish.
9. The closure of claim 1 wherein the tamper-indicating seal comprises a foil layer and a bottom layer of plastic rendering the tamper-indicating seal capable of being heat sealed to the container at a upper lip of a neck of the bottle, wherein the tamper-indicating seal is adapted to serve as a seal for the bottle.
10. The closure of claim 1 wherein the tamper-indicating seal comprises a foam layer shaped to be held between the generally circular cover and a lip of the container upon placement of the closure onto the bottle.
11. A closure for a container containing a product comprising:
a cap and a tamper-indicating seal;
the tamper-indicating seal adapted to be located near an underside of a lid of the cap, and
the lid being comprised of a material such that the tamper-indicating seal can be seen through at least a portion of the lid of the cap; and,
the lid having a raised portion on a top surface, the raised portion extending adjacent at least a portion of the perimeter of the generally circular cover.
12. The closure of claim 11 wherein the cap has a skirt with at least one inwardly directed protuberance holding the tamper-indicating seal near an underside of the lid of the cap.
13. The closure of claim 12 wherein the material comprising the cap is substantially colorless.
14. The closure of claim 13 wherein the tamper-indicating seal contains information about the type of product contained in said container and/or the source of the product in the container.
15. The closure of claim 11 wherein the tamper-indicating seal and the cap are each tamper evident.
16. A closure for a container containing a product comprising:
a cap having a cover and a skirt, the skirt downwardly depending from the cover; and,
the cover having a raised portion on a top surface, the raised portion extending adjacent at least a portion of an edge of the generally circular cover.
17. The closure of claim 16 wherein the closure further comprises a tamper-indicating seal which is adapted to be located near an underside of the cover.
18. The closure of claim 17 wherein the cover is comprised of a material such that the tamper-indicating seal can be seen through at least a portion of the lid of the cap.
19. The closure of claim 16 wherein the raised portion provides a reduced contact surface area to reduce surface friction during capping operations.
20. The closure of claim 17 wherein the raised portion provides a contact surface for the generally circular cover to reduce marring of the portion of the generally circular cover which allows the tamper-indicating seal to be viewed through the cover.
21. The closure of claim 18 wherein the raised portion extends along at least a portion of the circumference of the generally circular cover.
22. The closure of claim 19 wherein the raised portion is generally circular and is disposed adjacent an outer edge of the generally circular cover.
23. The closure of claim 22 wherein the raised portion has a matte finish.
24. The closure of claim 19 wherein there is a plurality of spaced-apart raised portions on the top surface of the generally circular cover, the plurality of spaced-apart raised portions being arranged adjacent to an outer edge of the generally circular cover.
25. The closure of claim 24 wherein the plurality of spaced-apart raised portions have a matte finish.
26. A closure for a container containing a product comprising:
a cap having a cover and a skirt, the skirt downwardly depending from the cover; and,
the cover having a raised circumferential ring on a top surface.
27. A closure for a container containing a product comprising:
a cap and a liner;
the cap having a cover and a skirt;
the skirt downwardly depending from the cover;
the cover being comprised of a material such that the liner can be seen through at least a portion of the cover of the cap;
the cover having a ridge which at least partially encloses the portion of the cover of the cap.
28. A closure for a container containing a product comprising:
a cap and a liner;
the cap having a cover and a skirt;
the skirt downwardly depending from the cover;
the cover being comprised of a material such that the liner can be seen through at least a portion of the cover of the cap; and,
the cover having a plurality of ridges which at least partially enclose the portion of the cover of the cap.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US11/273,334 US20070051691A1 (en) | 2005-09-08 | 2005-11-14 | Cap with visible tamper-indicating seal |
GB0622677A GB2432152A (en) | 2005-11-14 | 2006-11-14 | Cap with visible tamper-indicating seal |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US11/222,429 US20070051690A1 (en) | 2005-09-08 | 2005-09-08 | Cap with visible tamper-indicating seal |
US11/273,334 US20070051691A1 (en) | 2005-09-08 | 2005-11-14 | Cap with visible tamper-indicating seal |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/222,429 Continuation-In-Part US20070051690A1 (en) | 2005-09-08 | 2005-09-08 | Cap with visible tamper-indicating seal |
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US20070051691A1 true US20070051691A1 (en) | 2007-03-08 |
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US11/273,334 Abandoned US20070051691A1 (en) | 2005-09-08 | 2005-11-14 | Cap with visible tamper-indicating seal |
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US (1) | US20070051691A1 (en) |
GB (1) | GB2432152A (en) |
Cited By (14)
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US20070145001A1 (en) * | 2005-12-22 | 2007-06-28 | Tilton Andrew T | Removable and reclosable lid for jar for a food product |
US20070182564A1 (en) * | 2006-02-07 | 2007-08-09 | Owens-Illinois Healthcare Packaging Inc. | Closure and package with induction seal and RFID tag |
US20080110774A1 (en) * | 2006-11-10 | 2008-05-15 | Chisholm Brian J | Molded plastic container having insert-molded RFID tag and method of manufacture |
WO2008112221A1 (en) * | 2007-03-13 | 2008-09-18 | Rexam Closure Systems Inc. | Tamper-indicating closure and container |
US20080309495A1 (en) * | 2007-06-14 | 2008-12-18 | Owens-Illinois Healthcare Packaging Inc. | Closure and package with RFID kernel tag and boost antenna |
US20100043910A1 (en) * | 2006-02-06 | 2010-02-25 | Plastek Industries, Inc. | Pour Spout |
US7850893B2 (en) | 2006-12-01 | 2010-12-14 | Rexam Healthcare Packaging Inc. | Molded plastic container and preform having insert-molded RFID tag |
US20110204099A1 (en) * | 2008-03-04 | 2011-08-25 | Church & Dwight Co., Inc. | Cap & spout combo |
US20120031871A1 (en) * | 2010-08-04 | 2012-02-09 | Omega Cap Soultions LLC | Step twist zipped visual tamper-evident cap and neck finish |
US20130287905A1 (en) * | 2011-01-13 | 2013-10-31 | Vincent Loisel | Drink-through spout cap for a beverage bottle, set of a cover and such a drink-through spout cap, a drinking device, and methods of manufacturing and preparing a drinking device |
US9311589B2 (en) * | 2014-06-16 | 2016-04-12 | National Chung Shan Institute Of Science And Technology | Bottle container having an anti-counterfeiting radio-frequency identification (RFID) tag |
US20180065375A1 (en) * | 2016-09-02 | 2018-03-08 | Seiko Epson Corporation | Bottle set and bottle |
US10919670B1 (en) * | 2017-12-21 | 2021-02-16 | Gervasio A. Chicaia | Tamperproof seal for sealing containers |
US11059633B2 (en) | 2019-10-31 | 2021-07-13 | Cheer Pack North America | Flip-top closure for container |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2443185A (en) * | 2006-10-27 | 2008-04-30 | Closures Ltd | Transparent closure and visible seal member arrangement |
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Cited By (27)
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---|---|---|---|---|
US20110209322A1 (en) * | 2005-12-22 | 2011-09-01 | Andrew Thomas Tilton | Removable and Reclosable Lid For Jar For A Food Product |
US20070145001A1 (en) * | 2005-12-22 | 2007-06-28 | Tilton Andrew T | Removable and reclosable lid for jar for a food product |
US7967167B2 (en) | 2005-12-22 | 2011-06-28 | Kraft Foods Global Brands Llc | Removable and reclosable lid for jar for a food product |
US20100180553A1 (en) * | 2005-12-22 | 2010-07-22 | Kraft Foods Global Brands Llc | Removable And Reclosable Lid For Jar For A Food Product |
US7694845B2 (en) * | 2005-12-22 | 2010-04-13 | Kraft Foods Global Brands Llc | Removable and reclosable lid for jar for a food product |
US20100043910A1 (en) * | 2006-02-06 | 2010-02-25 | Plastek Industries, Inc. | Pour Spout |
US7388506B2 (en) * | 2006-02-07 | 2008-06-17 | Rexam Healthcare Packaging Inc. | Closure and package with induction seal and RFID tag |
US20070182564A1 (en) * | 2006-02-07 | 2007-08-09 | Owens-Illinois Healthcare Packaging Inc. | Closure and package with induction seal and RFID tag |
US7922961B2 (en) | 2006-11-10 | 2011-04-12 | Rexam Healthcare Packaging Inc. | Molded plastic container having insert-molded insert and method of manufacture |
US20080110774A1 (en) * | 2006-11-10 | 2008-05-15 | Chisholm Brian J | Molded plastic container having insert-molded RFID tag and method of manufacture |
US7850893B2 (en) | 2006-12-01 | 2010-12-14 | Rexam Healthcare Packaging Inc. | Molded plastic container and preform having insert-molded RFID tag |
WO2008112221A1 (en) * | 2007-03-13 | 2008-09-18 | Rexam Closure Systems Inc. | Tamper-indicating closure and container |
US20080309495A1 (en) * | 2007-06-14 | 2008-12-18 | Owens-Illinois Healthcare Packaging Inc. | Closure and package with RFID kernel tag and boost antenna |
US8120484B2 (en) | 2007-06-14 | 2012-02-21 | Rexam Healthcare Packaging Inc. | Closure and package with RFID kernel tag and boost antenna |
US20110204099A1 (en) * | 2008-03-04 | 2011-08-25 | Church & Dwight Co., Inc. | Cap & spout combo |
US8523024B2 (en) | 2008-03-04 | 2013-09-03 | Church & Dwight Co., Inc. | Cap and spout combo |
US20120031871A1 (en) * | 2010-08-04 | 2012-02-09 | Omega Cap Soultions LLC | Step twist zipped visual tamper-evident cap and neck finish |
WO2012018994A3 (en) * | 2010-08-04 | 2012-04-19 | Omega Cap Solutions Llc | Tamper -evident cap and neck finish |
US9181001B2 (en) | 2010-08-04 | 2015-11-10 | Omega Cap Solutions Llc | Tamper-evident container cap and neck finish |
US20130287905A1 (en) * | 2011-01-13 | 2013-10-31 | Vincent Loisel | Drink-through spout cap for a beverage bottle, set of a cover and such a drink-through spout cap, a drinking device, and methods of manufacturing and preparing a drinking device |
US9311589B2 (en) * | 2014-06-16 | 2016-04-12 | National Chung Shan Institute Of Science And Technology | Bottle container having an anti-counterfeiting radio-frequency identification (RFID) tag |
US20180065375A1 (en) * | 2016-09-02 | 2018-03-08 | Seiko Epson Corporation | Bottle set and bottle |
US10538093B2 (en) * | 2016-09-02 | 2020-01-21 | Seiko Epson Corporation | Bottle set and bottle |
US11691428B2 (en) | 2016-09-02 | 2023-07-04 | Seiko Epson Corporation | Bottle set and bottle |
US20230286283A1 (en) * | 2016-09-02 | 2023-09-14 | Seiko Epson Corporation | Bottle set and bottle |
US10919670B1 (en) * | 2017-12-21 | 2021-02-16 | Gervasio A. Chicaia | Tamperproof seal for sealing containers |
US11059633B2 (en) | 2019-10-31 | 2021-07-13 | Cheer Pack North America | Flip-top closure for container |
Also Published As
Publication number | Publication date |
---|---|
GB2432152A (en) | 2007-05-16 |
GB0622677D0 (en) | 2006-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: BLACKHAWK MOLDING CO., INC., ILLINOIS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HIDDING, DOUGLAS J.;REEL/FRAME:017199/0410 Effective date: 20060103 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |