EP4005944A1 - Pet container cap with simultaneously separable end ring - Google Patents
Pet container cap with simultaneously separable end ring Download PDFInfo
- Publication number
- EP4005944A1 EP4005944A1 EP19935378.0A EP19935378A EP4005944A1 EP 4005944 A1 EP4005944 A1 EP 4005944A1 EP 19935378 A EP19935378 A EP 19935378A EP 4005944 A1 EP4005944 A1 EP 4005944A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cap body
- cap
- injection part
- end ring
- pet container
- 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.)
- Withdrawn
Links
- 239000007924 injection Substances 0.000 claims abstract description 133
- 238000002347 injection Methods 0.000 claims abstract description 133
- 230000009466 transformation Effects 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 238000000926 separation method Methods 0.000 claims abstract description 37
- 238000004321 preservation Methods 0.000 claims abstract description 25
- 230000000903 blocking effect Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 27
- 230000015556 catabolic process Effects 0.000 claims description 8
- 238000006731 degradation reaction Methods 0.000 claims description 8
- 230000001747 exhibiting effect Effects 0.000 claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 117
- 229920000139 polyethylene terephthalate Polymers 0.000 description 117
- 239000000463 material Substances 0.000 description 12
- 235000013361 beverage Nutrition 0.000 description 8
- 235000013305 food Nutrition 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 235000013334 alcoholic beverage Nutrition 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003889 eye drop Substances 0.000 description 1
- 229940012356 eye drops Drugs 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 235000019997 soju Nutrition 0.000 description 1
- 239000000243 solution 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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring 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
- 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
- B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
- B65D41/3438—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being formed separately but connected to the 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
- 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
-
- 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
- B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
- B65D41/3428—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/08—Removable lids or covers having a peripheral flange fitting over the rim of the container
-
- 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
- B65D2401/00—Tamper-indicating means
- B65D2401/15—Tearable part of the closure
Definitions
- the present invention relates to a PET container cap with a simultaneously separable end ring and, more particularly, to a PET container cap with a simultaneously separable end ring, in which when a cap body (a cap) provided on and coupled to an injection part of a PET container is separated, an end ring provided on the lower side of the cap body may be separated therewith.
- PET polyethylene terephthalate
- PET container Since the PET container was invented, this was immediately used in the industry due to the boom of a soda drinks and the advantages of the PET material. This container was so booming that 100 billion bottles were produced per year around 1999. At first, this was mostly used as a container for containing liquid such as beverage or sauce. However, recently, the container is used as various package materials for containing alcoholic beverages such as beer or soju as well as eye drops and detergent, so now PET containers have become essential in the living environment of consumers.
- a cap is provided on an injection part (spout) of the PET container to provide tight blocking for preserving contents (food and beverage, etc.) and a sealing function for identifying openness.
- a conventional PET container includes a container body that contains contents, and a cap that is coupled to an injection part of the container body.
- a spiral binding protrusion for fastening the cap and an annular protrusion for preventing the separation of the cap are formed on an outer circumference of the injection part of the container body.
- the cap includes a cap body that seals and tightly blocks the injection part of the container body and an end ring that seals the cap body.
- a spiral protrusion is formed on the inner circumference of the cap body to correspond to a binding protrusion formed on the outer circumference of the injection part, and a plurality of interference protrusions is formed on the inner circumference of the end ring to engage with the annular protrusion formed on the outer circumference of the injection part.
- the interference protrusion on the inner circumference of the end ring engages with the annular protrusion on the outer circumference of the injection part to be thereby constrained. Consequently, the end ring remains in the PET container.
- the PET container and the cap are made of different materials, i.e., PET and PE (high density polyethylene; HDPE).
- PET and PE high density polyethylene
- HDPE high density polyethylene
- the end ring is separated from the PET container in the method of cutting the end ring using a cutting tool such as scissors or nippers.
- a cutting tool such as scissors or nippers.
- the PET container is usually recovered with the end ring remaining. This makes separate garbage collection difficult, so the PET container is thrown away as general waste, thus wasting resources as well as causing environmental pollution.
- Korean Patent Laid-Open Publication No. 10-2012-0101626 has disclosed a structure for removing an end ring of a resin bottle cap and a container having the same.
- the conventional structure for removing the end ring of the resin bottle cap and the container having the same are configured such that a portion of a ring stop upper flange (annular protrusion) for restricting the end ring on an injection part is cut in the shape of a slope to form a guide flange cut part.
- the guide flange cut part should be necessarily formed to achieve the above-described structure for removing the end ring, there is a problem of lack of compatibility that the injection part of the PET container should be manufactured in a shape different from the conventional injection part, which makes it somewhat difficult to apply in practice.
- the present invention has been made to solve the above-mentioned problems and difficulties and relates to a PET container cap with a simultaneously separable end ring, in which the end ring on the lower side of a cap body is transformed in the process of separating the cap body (cap) from an injection part of a PET container, so the restriction force of the end ring (interference protrusion formed on an inner circumference) by an annular protrusion protruding from the outer circumference of the injection part is lost when the cap body is separated, and thus the end ring can also be separated (removed).
- the present invention provides a PET container cap with a simultaneously separable end ring, which provides tight blocking for preservation of contents in a state of being provided on and coupled to an injection part and provides a sealing function enabling awareness of openness, the cap including a cap body provided on and coupled to the injection part to provide tight blocking for preservation of the contents; and an end ring integrally formed on a lower side of the cap body, restricted by an annular protrusion formed on a lower side of an outer circumference of the injection part, exhibiting a sealing function enabling grasping of openness of the cap body, and causing transformation in a separation process of the cap body by a user, so the end ring is simultaneously separated together with the cap body from the injection part.
- the cap body may further include a spiral protrusion formed on an inner circumference of the cap body to correspond to a spiral fastening protrusion formed on the outer circumference of the injection part; and a knurling part formed on an outer circumference of the cap body to prevent a slip when a user holds the cap with his or her hand and rotates the cap clockwise/counterclockwise.
- the end ring may include an interference protrusion formed on an inner circumference of the end ring to engage with a restraint protrusion of the injection part when the cap body is coupled to the injection part; a connecting projection integrally connected to a portion of a lower end of the cap body to cause transformation in a separation process of the cap body; and a sealing projection integrally connected to another portion of the lower end of the cap body to be fractured in the separation process of the cap body and to enable the openness of the cap body to be identified.
- the end ring may include a plurality of cut parts that are cut long to extend from an uppermost end to a lowermost end, are inclined in one direction, and are formed at regular intervals to cause degradation of a ring-shaped preservation ability as a gap is increased by the connecting projection that maintains a connection state with the cap body in the separation process of the cap body.
- the connecting projection may be connected to the cap body to increase the gap of the cut part in the separation process of the cap body, may protrude from an upper end, and may be connected to the lower end of the cap body while extending long from a first end of the cut part to a predetermined range
- the sealing projection may be connected to the cap body, may protrude from an upper end to exhibit the sealing function that enables the openness of the cap body to be identified as the sealing protrusion is fractured in the separation process of the cap body, and may be connected to a lower end of the cap body while extending short from a second end of the cut part to a predetermined range.
- the cut part may be cut long to extend from an uppermost end to a position adjacent to a lowermost end and thereby lead to transformation that causes a restriction force of the connecting projection to be lost by the restraint protrusion formed on the outer circumference of the injection part as the gap is increased by an upward movement of the connecting projection connected to the cap body in the separation process of the cap body, and the cut part may be formed in a slope type having an inclination in one direction.
- the present invention provides a PET container cap with a simultaneously separable end ring, which provides tight blocking for preservation of contents in a state of being provided on and coupled to an injection part and provides a sealing function enabling awareness of openness, the cap including a cap body provided on and coupled to the injection part to provide tight blocking for preservation of the contents; and an end ring integrally formed on a lower side of the cap body, restricted by an annular protrusion protruding from a lower side of an outer circumference of the injection part, exhibiting a sealing function enabling grasping of openness of the cap body, and causing transformation in a separation process of the cap body by a user, so the end ring is separated together with the cap body from the injection part, wherein the end ring may include an interference protrusion restricted by the annular protrusion when the cap body is coupled to the injection part; a plurality of transformation parts transformed to flare out, thus allowing the interference protrusion to pass over the annular protrusion when the cap body is separated from the injection part, due to a
- the interference protrusion may protrude from an inner surface of the transformation part to be restricted by the annular protrusion, may have an inclination in which a protruding end thereof is inclined upwards, and may be bent downwards by the annular protrusion in the process of separating the cap body from the injection part, thus causing the transformation of the transformation part and allowing the interference protrusion to pass over the annular protrusion when the transformation part is transformed.
- the interference protrusion may be in a shape of a simple protrusion that causes the transformation of the transformation part in the process of separating the cap body from the injection part and allows the interference protrusion to pass over the annular protrusion when the transformation part is transformed.
- the present invention provides a PET container cap with a simultaneously separable end ring, which provides tight blocking for preservation of contents in a state of being provided on and coupled to an injection part and provides a sealing function enabling awareness of openness, the cap including a cap body provided on and coupled to the injection part to provide tight blocking for preservation of the contents; an end ring integrally formed on a lower side of the cap body, restricted by an annular protrusion protruding from a lower side of an outer circumference of the injection part, exhibiting a sealing function enabling grasping of openness of the cap body, and causing transformation in a separation process of the cap body by a user, so the end ring is separated together with the cap body from the injection part, the cap body and the end ring being separated from each other by a cut part; a plurality of interference protrusions formed on an inner circumference of a boundary between the cap body and the end ring to protrude at regular intervals, connecting the cap body and the end ring, restricted by the annular protrusion when the
- the interference protrusion may be integrally connected at both ends thereof to the lower end of the cap body and the upper end of the end ring, and may be bent to a side to be restricted by the annular protrusion, thus having a shape of " ", and may be spread out by the annular protrusion in the process of separating the cap body from the injection part, so the cap body and the end ring may be separated from each other and thereby the sealing projection may be fractured and interference of the annular protrusion may be avoided to allow the end ring to be simultaneously separated.
- a PET container cap with a simultaneously separable end ring of the present invention allows a cap body as well as an end ring on a lower side of the cap to be simultaneously separated in the process of separating the cap body (cap) from an injection part of a PET container, thus making it possible to recover the PET container as a single material for satisfying recyclability (recycling).
- FIGS. 1 to 3 are a perspective view and a sectional view illustrating the configuration of a PET container cap with a simultaneously separable end ring in accordance with a first embodiment of the present invention
- FIG. 4 is a perspective view illustrating important parts of the configuration of the end ring of the PET container cap with the simultaneously separable end ring in accordance with the first embodiment of the present invention
- FIG. 5 is a sectional view illustrating the use of the PET container cap with the simultaneously separable end ring in accordance with the first embodiment of the present invention.
- the PET container cap A with the simultaneously separable end ring in accordance with the first embodiment of the present invention includes a cap body 1 that is provided on and coupled to an injection part of the PET container to preserve contents, and an end ring 2 that is integrally formed on the lower side of the cap body 1, is restricted by an annular protrusion formed on the lower side of the outer circumference of the injection part, has a sealing function for identifying the openness of the cap body 1, and causes transformation in a separation process of the cap body 1 by a user, so the end ring 2 is simultaneously separated together with the cap body 1 from the injection part of the PET container.
- the cap body 1 is provided on and coupled to the injection part of the PET container for the purpose of preservation so as to prevent the leakage of contents (food and beverage, etc.) contained in the PET container, and a binding protrusion 11 is formed on the inner circumference of the cap body to correspond to a spiral binding protrusion formed on the outer circumference of the injection part of the PET container.
- a knurling part 12 is further formed on the outer circumference of the cap body 1 to prevent a slip when a user holds the cap with his or her hand and rotates the cap clockwise/counterclockwise.
- the end ring 2 exhibits the sealing function of the cap body 1 that is provided on and coupled to the injection part of the PET container. As shown in FIGS. 4 and 5 , an interference protrusion 21 is formed on the inner circumference of the end ring to engage with an annular protrusion 920 formed on the outer circumference of an injection part 910 when the cap body 1 is coupled to the injection part 910 of the PET container 900.
- a connecting projection 22 and a sealing projection 23 are formed on the end ring.
- the connecting projection is integrally connected to a portion of a lower end of the cap body 1 to cause the transformation in the separation process of the cap body 1.
- the sealing projection 23 is integrally connected to another portion of the lower end of the cap body 1 to be fractured in the separation process of the cap body 1 and identify the openness of the cap body 1.
- a plurality of cut parts 24 is cut long to extend from an uppermost end to a lowermost end, is inclined in one direction, and is formed at regular intervals to cause degradation of a ring-shaped preservation ability as a gap is increased by the connecting projection 22 that maintains a connection state with the cap body 1 in the separation process of the cap body 1.
- the connecting projection 22 is connected to the cap body 1 to increase the gap of the cut part 24 in the separation process of the cap body 1, protrudes from an upper end, and is connected to the lower end of the cap body 1 while extending long from a first end of the cut part 24 to a predetermined range.
- the sealing projection 23 is connected to the cap body 1, exhibits the sealing function to allow a user to identify the openness of the cap body 1 as the sealing protrusion is fractured in the separation process of the cap body 1, protrudes from the upper end, and is connected to the lower end of the cap body 1 while extending short from a second end of the cut part 24 to a predetermined range.
- the cut part 24 leads to transformation (degradation of the ring-shaped preservation ability) to cause the restriction force of the connecting projection 22 to be lost by the annular protrusion 920 formed on the outer circumference of the injection part 910 as the gap is increased by the upward movement of the connecting projection 22 connected to the cap body 1 in the separation process of the cap body 1.
- the cut part is cut long to extend from the uppermost end to a position adjacent to the lowermost end, and is preferably formed in a slope type having an inclination in one direction.
- FIGS. 6 to 8 are a perspective view and a sectional view illustrating the configuration of a PET container cap with a simultaneously separable end ring in accordance with a second embodiment of the present invention
- FIG. 9 is a perspective view illustrating important parts of the configuration of the end ring of the PET container cap with the simultaneously separable end ring in accordance with the second embodiment of the present invention
- FIG. 10 is a sectional view illustrating the use of the PET container cap with the simultaneously separable end ring in accordance with the second embodiment of the present invention. As shown in FIGS.
- a PET container cap A-1 with a simultaneously separable end ring in accordance with the second embodiment of the present invention includes a cap body 1 that is provided on and coupled to an injection part 910 of the PET container 900 to preserve contents, and an end ring 2 that is integrally formed on the lower side of the cap body 1, is restricted by an annular protrusion 920 formed on the lower side of the outer circumference of the injection part 910, has a sealing function for identifying the openness of the cap body 1, and causes transformation in a separation process of the cap body 1 by a user, so the end ring is separated together with the cap body 1 from the injection part 910 of the PET container 900.
- the cap body 1 is coupled to the injection part 910 of the PET container 900 to prevent the leakage of the contents contained in the PET container 900, and the binding protrusion 11 is formed on the inner circumference of the cap body to correspond to a binding protrusion 930 protruding spirally from the outer circumference of the injection part 910 of the PET container 900.
- the binding protrusion 11 is formed on the inner circumference of the cap body 1, and the knurling part 12 is formed on the outer circumference thereof.
- the end ring 2 is intended to realize the sealing function of the cap body 1 that is coupled to the injection part 910 of the PET container 900.
- the end ring includes an interference protrusion 21-1 that is restricted by the annular protrusion 920 protruding from the outer circumference of the injection part 910 when the cap body 1 is coupled to the injection part 910, and a plurality of transformation parts 25 that are transformed to flare out, thus allowing the interference protrusion 21-1 to pass over the annular protrusion 920 when the cap body 1 is separated from the PET container 900 due to the cut part 24-1.
- a sealing projection 23-1 protrudes from the upper end of the transformation part 25 to be integrally connected to the lower end of the cap body 1, is fractured in the separation process of the cap body 1, and enables the openness of the cap body 1 to be identified depending on the fractured state.
- the interference protrusion 21-1 has an inclination in which an end thereof protrudes upwards from the inner surface of the transformation part 25, so the interference protrusion may be restricted by the annular protrusion 920 protruding from the outer circumference of the injection part 910 of the PET container 900.
- the interference protrusion is bent downwards by the annular protrusion 920, thus causing the transformation of the transformation part 25 and allowing the interference protrusion to pass over the annular protrusion 920 when the transformation part 25 is transformed.
- the cut part 24-1 extends horizontally and vertically from a boundary (uppermost end) of the cap body 1 in the shape of " ".
- FIG. 11 is a sectional view illustrating another configuration of an interference protrusion, in the PET container cap with the simultaneously separable end ring in accordance with the second embodiment of the present invention.
- the interference protrusion 21-2 of another configuration may be in the shape of a simple protrusion that causes the transformation of the transformation part 25 in the process of separating the cap body 1 and allows the interference protrusion to pass over the annular protrusion 920 when the transformation part is transformed.
- FIG. 12 is a sectional view illustrating the configuration of a PET container cap with a simultaneously separable end ring in accordance with a third embodiment of the present invention.
- the PET container cap A-2 with the simultaneously separable end ring in accordance with the third embodiment of the present invention includes a cap body 1 that is provided on and coupled to an injection part 910 of the PET container 900 to preserve contents, and an end ring 2 that is integrally formed on the lower side of the cap body 1, is restricted by an annular protrusion 920 formed on the lower side of the outer circumference of the injection part 910, has a sealing function for identifying the openness of the cap body 1, and causes transformation in the separation process of the cap body 1 by a user, so the end ring is separated together with the cap body 1 from the injection part 910 of the PET container 900.
- the cap body 1 and the end ring 2 are separated from each other by a cut part 24-2.
- the binding protrusion 11 is formed on the inner circumference of the cap body 1, and the knurling part 12 is formed on the outer circumference thereof.
- a plurality of interference protrusions 21-3 and a sealing projection 23-2 are formed on an inner circumference of a boundary between the cap body 1 and the end ring 2 separated to each other by the cut part 24-2.
- the interference protrusions protruding at regular intervals connect the cap body and the end ring, are restricted by the annular protrusion 920 protruding from the outer circumference of the injection part 910 when the cap body 1 is coupled to the injection part 910 of the PET container 900, and are changed in shape to pass over the annular protrusion 920 in the process of separating the cap body 1 from the PET container 900.
- the sealing projection connects the lower end of the cap body 1 and the upper end of the end ring 2, is fractured in the separation process of the cap body 1, and enables the openness of the cap body 1 to be identified depending on the fractured state.
- the interference protrusion 21-3 is integrally connected at both ends thereof to the lower end of the cap body 1 and the upper end of the end ring 2, and is bent to a side to be restricted by the annular protrusion 920 protruding from the outer circumference of the injection part 910 of the PET container 900, thus having the shape of " ".
- the cap body 1 and the end ring 2 are separated from each other by the annular protrusion 920, so the sealing projection 23-2 is fractured and the interference of the annular protrusion 920 may be avoided to allow the end ring 2 to be simultaneously separated.
- the operation of the PET container cap A with the simultaneously separable end ring according to the present invention configured as such will be described in detail.
- the operation of the cap A with the simultaneously separable end ring according to the first embodiment of the present invention is as follows.
- FIGS. 13 to 15 are diagrams illustrating the operation of the PET container cap with the simultaneously separable end ring in accordance with the first embodiment of the present invention
- FIGS. 16 and 17 are sectional views illustrating the transformation of the end ring when the PET container cap with the simultaneously separable end ring in accordance with the first embodiment of the present invention is separated.
- the PET container cap A with the simultaneously separable end ring in accordance with the first embodiment of the present invention is coupled to the injection part 910 of the PET container 900, thus sealing and tightly blocking the injection part 910 to preserve contents (food and beverage, etc.) contained in the PET container 900, and providing the sealing function to enable the openness to be identified.
- the cap A is separated from the injection part 910, so a user may drink the contents contained in the PET container 900.
- the end ring 2 connected to the lower side of the cap body 1 is separated together with the cap body 1, so the end ring can be easily removed from the PET container 900.
- the cap body 1 coupled to the injection part 910 of the PET container 900 is rotated counterclockwise, so the cap body 1 moves upwards along the injection part 910.
- the cap body is completely separated from the PET container 900, thus opening the injection part 910.
- a user may drink beverage contained in the PET container 900.
- the end ring 2 integrally provided on the lower side of the cap body 1 is separated (removed) from the injection part 910 together with the cap body 1, so it is possible to recover the PET container 900 of a single material, thus greatly enhancing recyclability.
- the cap body 1 coupled to the injection part 910 is rotated counterclockwise to open the injection part 910, the binding protrusion 11 formed on the inner circumference of the cap body 1 moves along the binding protrusion 930 formed on the outer circumference of the injection part 910 of the PET container 900, so the cap body 1 moves to the upper side of the injection part 910.
- the cap body is completely separated from the injection part 910 of the PET container 900.
- the interference protrusion 21 on the inner circumference of the end ring 2 passes over the annular protrusion 920 on the outer circumference of the injection part 910 of the PET container 900.
- the end ring 2 completely escapes from the injection part 910 and the end ring 2 as well as the cap body 1 may be simultaneously separated from the PET container 900.
- FIGS. 18 to 20 are sectional views illustrating the operation of the PET container cap with the simultaneously separable end ring in accordance with the second embodiment of the present invention.
- the operation of the cap A-1 with the simultaneously separable end ring in accordance with the second embodiment of the present invention is as follows.
- the PET container cap A-1 with the simultaneously separable end ring in accordance with the second embodiment of the present invention is coupled to the injection part 910 of the PET container 900 (see FIG. 10 ), thus sealing and tightly blocking the injection part 910 to preserve contents (food and beverage, etc.) contained in the PET container 900, and providing the sealing function to enable the openness to be identified.
- the cap A-1 is separated from the injection part 910, so a user may drink the contents contained in the PET container 900.
- the end ring 2 connected to the lower side of the cap body 1 is separated together with the cap body 1, so the end ring can be easily removed from the PET container 900.
- the cap body 1 coupled to the injection part 910 of the PET container 900 is rotated counterclockwise, so the cap body 1 moves upwards along the injection part 910.
- the cap body is completely separated from the PET container 900, thus opening the injection part 910.
- a user may drink beverage contained in the PET container 900.
- the end ring 2 integrally provided on the lower side of the cap body 1 is separated (removed) from the injection part 910 together with the cap body 1, so it is possible to recover the PET container 900 of a single material, thus greatly enhancing recyclability.
- the cap body 1 coupled to the injection part 910 is rotated counterclockwise to open the injection part 910, the binding protrusion 11 formed on the inner circumference of the cap body 1 moves along the binding protrusion 930 formed on the outer circumference of the injection part 910 of the PET container 900, so the cap body 1 moves to the upper side of the injection part 910.
- the cap body is completely separated from the injection part 910 of the PET container 900.
- the protruding end of the interference protrusion 21-1 of the end ring 2 restricted by the annular protrusion 920 protruding from the outer circumference of the injection part 910 is bent downwards by the interference of the annular protrusion 920.
- the sealing projection 23-1 formed on the upper end of the end ring 2 and connected to the lower end of the cap body 1 is fractured by tension.
- the interference protrusion 21-1 may pass over the annular protrusion 920 protruding from the outer circumference of the injection part 910 of the PET container 900.
- the end ring 2 may be simultaneously separated from the injection part 910 of the PET container 900 along the cap body 1.
- FIGS. 21 to 24 are sectional views illustrating the operation of the PET container cap with the simultaneously separable end ring in accordance with the third embodiment of the present invention.
- the operation of the cap A-2 with the simultaneously separable end ring in accordance with the third embodiment of the present invention is as follows.
- the cap body 1 of the cap A-2 coupled to the injection part 910 is rotated counterclockwise to open the injection part 910 as shown in FIGS. 21 and 22 , the interference protrusion 21-3 of the end ring 2 restricted by the annular protrusion 920 protruding from the outer circumference of the injection part 910 is completely spread out by the interference of the annular protrusion 920 as shown in FIG. 23 .
- the cap body 1 and the end ring 2 are separated from each other, so the sealing projection 23-1 formed on the upper end of the end ring 2 and connected to the lower end of the cap body 1 is fractured by tension.
- the interference protrusion 21-3 may pass over the annular protrusion 920 protruding from the outer circumference of the injection part 910 of the PET container 900.
- the end ring 2 may be simultaneously separated from the injection part 910 of the PET container 900 along the cap body 1.
- the PET container cap A, A-1, or A-2 with the simultaneously separable end ring is configured such that the end ring 2 as well as the cap body 1 can be simultaneously separated in the process of separating the cap body 1 from the injection part 910 of the PET container 900, thus enabling the PET container 900 to be recovered as a single material for satisfying recyclability (recycling).
- a cap body as well as an end ring on the lower side of the cap can be simultaneously separated in the process of separating the cap body (cap) from an injection part of the PET container, so it is possible to recover the PET container as a single material for satisfying recyclability.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Closures For Containers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190076208A KR102177073B1 (ko) | 2019-06-26 | 2019-06-26 | 엔드링 동시분리형 페트용기 뚜껑 |
KR1020190155948A KR102177076B1 (ko) | 2019-11-28 | 2019-11-28 | 엔드링 동시분리형 페트용기 뚜껑 |
PCT/KR2019/017152 WO2020262778A1 (ko) | 2019-06-26 | 2019-12-06 | 엔드링 동시분리형 페트용기 뚜껑 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4005944A1 true EP4005944A1 (en) | 2022-06-01 |
Family
ID=74059729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19935378.0A Withdrawn EP4005944A1 (en) | 2019-06-26 | 2019-12-06 | Pet container cap with simultaneously separable end ring |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220153467A1 (zh) |
EP (1) | EP4005944A1 (zh) |
JP (1) | JP2022538951A (zh) |
CN (1) | CN113453992A (zh) |
WO (1) | WO2020262778A1 (zh) |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4726482A (en) * | 1987-03-27 | 1988-02-23 | Owens-Illinois Closure Inc. | Tamper indicating package and molded plastic closure therefor |
JPH06336255A (ja) * | 1993-05-28 | 1994-12-06 | San Besuto:Kk | ダンパー・ピルファー・プルーフキャップ |
JP3051637B2 (ja) * | 1993-07-19 | 2000-06-12 | 株式会社吉野工業所 | キャップ |
CA2167603A1 (en) * | 1994-06-24 | 1995-12-25 | Klaus-Jurgen Herrmann | Screw cap with warranty strip |
US6102224A (en) * | 1997-12-17 | 2000-08-15 | Pepsico. | Aroma release bottle and cap |
JP4435924B2 (ja) * | 2000-01-28 | 2010-03-24 | 日本クラウンコルク株式会社 | タンパーエビデント特性を備えた合成樹脂製容器蓋 |
JP4623691B2 (ja) * | 2000-07-31 | 2011-02-02 | 大和製罐株式会社 | 開封認知部材付きプラスチックキャップ |
JP2003200951A (ja) * | 2001-10-31 | 2003-07-15 | Masao Horiie | 容器のキャップ |
DE60213480D1 (de) * | 2002-04-05 | 2006-09-07 | Plamatec Ag | Schraubkappe für eine flasche |
JP4560127B1 (ja) | 2009-06-25 | 2010-10-13 | 有己 古野 | 樹脂製ボトルキャップのエンドリング除去構造並びにこれを具えた容器 |
CN202295663U (zh) * | 2011-09-14 | 2012-07-04 | 日本山村硝子株式会社 | 盖子及容器 |
JP5942538B2 (ja) * | 2012-03-29 | 2016-06-29 | 凸版印刷株式会社 | キャップ |
JP2017119538A (ja) * | 2015-12-28 | 2017-07-06 | 美智也 川▲崎▼ | 蓋の保持と不正開栓防止リングを外せるペットボトルキャップ |
-
2019
- 2019-12-06 EP EP19935378.0A patent/EP4005944A1/en not_active Withdrawn
- 2019-12-06 US US17/439,593 patent/US20220153467A1/en not_active Abandoned
- 2019-12-06 CN CN201980092291.2A patent/CN113453992A/zh active Pending
- 2019-12-06 WO PCT/KR2019/017152 patent/WO2020262778A1/ko unknown
- 2019-12-06 JP JP2021552688A patent/JP2022538951A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2020262778A1 (ko) | 2020-12-30 |
US20220153467A1 (en) | 2022-05-19 |
JP2022538951A (ja) | 2022-09-07 |
CN113453992A (zh) | 2021-09-28 |
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