WO2005090182A1 - 開閉キャップ及びその製造方法 - Google Patents
開閉キャップ及びその製造方法 Download PDFInfo
- Publication number
- WO2005090182A1 WO2005090182A1 PCT/JP2005/004912 JP2005004912W WO2005090182A1 WO 2005090182 A1 WO2005090182 A1 WO 2005090182A1 JP 2005004912 W JP2005004912 W JP 2005004912W WO 2005090182 A1 WO2005090182 A1 WO 2005090182A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- band
- cap
- opening
- closing cap
- cap body
- Prior art date
Links
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
- 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
- B65D41/3404—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
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5861—Spouts
- B65D75/5872—Non-integral spouts
- B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S215/00—Bottles and jars
- Y10S215/901—Tamper-resistant structure
Definitions
- the present invention relates to a cap for opening and closing a container spout for attaching to an opening of a spout of a packaging container and opening and closing the spout, and a method of manufacturing the same.
- the opening / closing cap that works on this structure is configured by arranging a band outside the cap body and connecting the band to the cap body with a connecting piece. Further, the band is configured by connecting a plurality of arc-shaped band pieces to each other with connecting pieces. On the inner surface of each of these band pieces, an engaging portion projecting inward is formed at an end in the circumferential direction, and the engaging portion is engaged with the peripheral surface of the pouring portion, and the opening / closing cap is formed. It is held in the spout.
- a claw portion projecting outward in the radial direction is formed on an outer peripheral portion of the pouring portion.
- the claw serves to apply a load to the connecting piece and the connecting piece to cut them. That is, when the cap rotates, the locking portion formed on the inner surface of the band piece engages with the claw portion, and when the locking portion is caught on the claw portion, a load acts on the connecting piece and the connecting piece to cut the piece. Is done. As a result, the force with which the engaging portion engages the spout is lost, and the cap can freely rotate around the outer periphery of the spout.
- Such an opening / closing cap is unopened when the band pieces are connected to each other without disconnecting the connecting piece and the connecting piece, and is opened after the band piece is cut and opened. Is shown.
- This function serves as a falsification prevention function that prevents the contents from being tampered with by mischief on the packaging container.
- the opening / closing cap described in Patent Document 2 is configured such that a band is arranged below the cap body, and the band is connected to the cap body by a connecting piece.
- a cut portion is formed at the periphery of the cap of the opening / closing cap at two places in the circumferential direction so as to be divided into two in the circumferential direction.
- Each piece has a rear portion in a direction in which the opening / closing cap is opened, and is connected to the cap body by a connecting portion.
- Patent Literature 2 As described above, by confirming whether or not the band has been cut, the invention described in Patent Literature 2 allows the cap to be opened to determine whether or not the band is cut.
- Patent Document 1 JP-A-5-124669
- Patent Document 2 Japanese Patent Application Laid-Open No. 2004-51195
- the connecting piece and the connecting piece may be cut off when the packaging bag receives an external force on the transport line or the distribution route. In particular, if the connecting piece is cut, it will no longer function as a tamper-proof function.
- FIG. 1 a conventional opening / closing cap represented by the invention described in Patent Document 2, for example, FIG.
- the band 100 when the caps collided with each other during transportation, the band 100 was sometimes pushed inward in the radial direction and deformed. If left untouched while such deformation is maintained, the cut portion 101 connecting the pieces of the band 100 will be cut by impact or the like due to impact or the like. In this case, the band 100 originally has. The function of the detent and the opening check cannot be exhibited. Note that the portion denoted by reference numeral 102 in FIG. 20 is a projection that is engaged with the ratchet.
- the connecting piece that connects the cap body and the band is prevented from being cut, so that the tampering prevention function is ensured, and the opening and closing that prevents cutting due to deformation of the band.
- a cap and a method for manufacturing the same are provided.
- a cap body that is screwed into an outer peripheral surface of a spout of a packaging container to open and close the spout, and extends in a circumferential direction of the cap body.
- a band connected to the cap body by a connecting piece, wherein the band is provided with at least one portion in the circumferential direction for separating the band in the circumferential direction.
- the band is connected to each other by a disconnectable connection piece.
- a protrusion protruding toward the ejection body is formed inside the band, and the opening / closing cap is connected to the ejection body.
- the band When the band is rotated in a direction in which the band is opened, the front side of the band sandwiching the connection piece is rotated together with the cap body, while the rear side is rotated by the projection of the projection. To part of the birth The rotation of the band is prevented by the hooking force, and the connecting piece is cut by the stress of the band generated by the rotation.
- the band is positioned below the cap body, and the band is positioned by the connecting piece.
- An opening / closing cap is configured to be connected to a lower portion of the cap body.
- two or more band pieces extending in the circumferential direction are used for the band, and these band pieces are connected to each other by the connecting piece.
- the opening / closing cap which is strong is characterized in that the band is connected to the lower surface of the cap body by the connecting piece on the inner surface side.
- a contact prevention portion having at least the same diameter as the outer surface of the band is provided on the outer peripheral surface of the cap body so as to project outward.
- the present invention is characterized in that, in the above-mentioned opening / closing cap, the contact preventing portion is formed so as to protrude at least a lower portion of the cap main body in the vertical direction.
- the inside of the band is pressed against a lower end of the cap body, and the band is crushed inward in the radial direction.
- a band shape maintaining body for preventing the occurrence of a wave is formed inside the band.
- the band shape maintaining body may be located under the cap body.
- a structure in which a plurality of protrusions are intermittently formed on the end face along the circumferential direction, or a structure in which the lower end of the cap body is formed as a projecting annular body can be adopted.
- the cap main body, the band shape maintaining body, the band, the connection piece, and the connection piece are integrally formed by injection molding. It is characterized by the following.
- the cap main body is provided with a contact preventing portion having at least the same diameter as the outer surface of the band so as to protrude outwardly from the outer peripheral surface force of the cap main body.
- a cap body which is screwed into an outer peripheral surface of a spout of a packaging container to open and close the spout, and extends in a circumferential direction of the cap body.
- a band connected to the cap body by a connecting piece, and a band provided at a lower portion of the cap body and pressed against the inside of the band to prevent the band from being crushed inward in the radial direction.
- a shape maintaining body, and the band is provided with at least one portion in the circumferential direction for separating the band in the circumferential direction. At this position, the bands are connected to each other by a cuttable connection piece.
- a method of manufacturing an opening / closing cap configured to cut the connection piece by a stress generated in the cap, injecting the cap body, the band shape maintaining body, the band, the connection piece, and the connection piece.
- the band is molded in a state of being connected to the cap body with the connecting piece so as to be larger than the dimension between them, and after the end of the injection in this injection molding step, the band is pushed toward the cap body, A method for manufacturing an opening / closing cap including a pushing step of positioning the band on the outer peripheral side of the band shape maintaining body is adopted. .
- the bands are arranged below the lower surface of the cap body, and these are connected to the connecting piece. Therefore, it is possible to effectively prevent foreign matter from contacting the connecting piece.
- the connecting piece is arranged on the inner surface side of the band to prevent further contact.
- the contact preventing portion since the contact preventing portion is provided on the cap body, the contact preventing portion also prevents foreign matter from coming into contact with the band itself.
- the band is pushed inward in the radial direction of the opening / closing cap, the band is pressed against the band shape maintaining body, and deformation of the band is prevented. For this reason, even if another opening cap or foreign matter hits the band, there is no breakage of the connection piece without excessive stress being generated in the connection piece.
- FIG. 1 is a perspective view of a plug unit to which an openable cap is applied according to an embodiment of the present invention.
- FIG. 2 is a longitudinal sectional view of an opening / closing cap.
- FIG. 3 is a diagram showing a positional relationship between a claw portion and a protrusion formed on a band of an opening / closing cap.
- FIG. 4 is a perspective view showing a positional relationship between a high protrusion and a low protrusion.
- FIG. 5 is a front view of a spouting section constituting the bung stopper unit.
- FIG. 6 is a view showing the shape of a stove, a pedestal of a pouring portion, a rib formed therebetween, a ratchet formed at a tip of the rib and a deformation preventing portion, and their positional relationship.
- FIG. 7 is a front view of the container showing a state in which an opening / closing cap seals a mouth of a pouring section.
- FIG. 8 is a view showing a state where a ratchet and a claw portion are in contact with each other.
- FIG. 9 is a view showing a state in which a connection piece is cut.
- FIG. 10 is a view showing a state where a connecting piece is cut.
- FIG. 11 is a longitudinal sectional view of an opening / closing cap according to another embodiment.
- FIG. 12 is a longitudinal sectional view of an opening / closing cap according to still another embodiment.
- FIG. 13 is a longitudinal sectional view of an opening / closing cap provided with a band shape maintaining section.
- FIG. 14 An opening / closing cap acting on another embodiment different from the opening / closing cap shown in FIG. FIG.
- FIG. 16 is a view showing a method of manufacturing an opening / closing cap by simultaneously injection-molding a cap body and a band, and then pushing the band into the cap body.
- FIG. 17 A diagram showing a method of manufacturing an opening / closing cap by a method different from that in FIG.
- Fig. 18 is a view showing a method of manufacturing an opening / closing cap by another method.
- FIG. 20 is a view showing a deformed state of the band when an external force acts on the band of the conventional opening / closing cap.
- FIG. 1 is a perspective view showing a stopper unit 1 in which a pouring section 20 of a container A is sealed with an opening / closing cap 2 that works according to an embodiment of the present invention.
- the stopper unit 1 is screwed into a spout 20 attached to the upper part of the container A and an opening 21 formed in the upper part of the spout 20 to open and close the opening 21. And power is also composed.
- the stopper unit 1 is attached to the upper end of the container A with the lower part of the spout 20 inserted into the container A.
- the opening / closing cap 2 When the opening / closing cap 2 is viewed from above, when the opening / closing cap 2 is rotated clockwise, the opening / closing cap 2 is screwed into the spout 20 to seal the opening 21 while the counterclockwise direction is closed. When it is rotated to, it is removed from the pouring section 20.
- FIG. 2-4 shows details of the opening / closing cap 2.
- the opening / closing cap 2 also includes a cap body 3 formed in a tubular shape, and a band 10 provided at the lower end of the cap body 3 so as to extend in the circumferential direction of the opening / closing cap 2.
- the cap body 3 is formed of a cylindrical body whose upper surface 4 is closed and whose lower part is open.
- a helical female screw 5 is formed on the inner surface, and is configured so that it can be screwed to the outer peripheral surface of the mouth 21.
- the opening / closing cap 2 is screwed into the mouth portion 21, the outer peripheral surface of the seal body 6 is in close contact with the inner surface of the mouth portion 21 to prevent the contents from leaking.
- ribs 7 radially protruding outward in the radial direction are formed all around.
- a contact prevention part 8 is formed at the lower part of the cap body 3.
- the contact preventing portion 8 is formed by projecting the lower portion of the cap body 3 outward in the radial direction, and is formed so that the outer surface 8a of the cap body 3 is inclined downward as it goes radially outward like a cap. Have been.
- the band 10 is disposed below the lower end surface 3b of the cap body 3, and Are connected to the lower end surface 3b of the base member by connecting pieces 12 and 13, respectively. Further, the band 10 is divided into two band pieces 11 in the circumferential direction, and each of the band pieces 11 is connected at the ends in the circumferential direction by connecting pieces 14. In the band 10, each band piece 11 constituting the band 10 is connected to the lower end surface 3b of the opening / closing cap 2 by connecting pieces 12, 13 at two locations in the circumferential direction. These connecting pieces 12 and 13 are arranged on the inner peripheral side of each band piece 11.
- connection piece 12 disposed on the front side in the opening direction X in which the opening / closing cap 2 is loosened has a thickness so as to be easily cut.
- the thickness is thin and the force is extremely narrow.
- the connecting piece 13 arranged on the rear side in the opening direction X to be loosened has a large thickness and a large width so that the connecting piece 13 is not cut even when the opening / closing cap 2 is rotated.
- each band piece 11 two claw portions 15, 16 are formed, respectively.
- One of the claws 15 is arranged at the tip of the cap body 3 in the opening direction X, and the other claw 16 is arranged slightly behind the tip of the cap 15 in the opening direction X.
- the claw portions 15, 16 are arranged at positions where the one formed on one band piece 11 and the one formed on the other band piece 11 are symmetrical with respect to the center axis of the opening / closing cap 2. ing.
- Each of the claws 15, 16 is so tilted in the opening direction X of the opening / closing cap 2 as to be slightly inclined with respect to the radial direction from the inner surface of the band piece 11 toward the central axis of the opening / closing cap 2. The inner force of each protrudes.
- two trapezoidal projections 17, 18 are formed on each band piece 11 so as to overlap each other. These projections 17, 18 project from the inner surface of the band piece 11 in the radial direction toward the central axis of the opening / closing cap 2.
- the projections 17 and 18 are also arranged at positions symmetrical with respect to the center axis of the opening / closing cap 2. The position where the claw 16 on the rear side in the opening direction X and the connecting piece 12 formed thinly and narrowly, and the projections 17 and 18 and the connecting piece 13 are provided. The positions are mutually coincident in the circumferential direction.
- FIG. 4 shows the positional relationship between the two projections 17 and 18 and details of the shape.
- the projections 17 and 18 are a combination of the projection 17 of the low mountain and the projection 18 of the high mountain. It is constituted by the combination.
- the low mountain protrusion 17 located on the front side in the opening direction X for loosening the opening / closing cap 2 is formed over the entire height of the band piece 11.
- the high mountain projection 18 provided on the rear side in the opening direction X for loosening the opening / closing cap 2 is formed so as to occupy only the upper half in the height direction of the band piece 11.
- the low mountain projection 17 abuts against a deformation preventing portion, which is a tip end of a rib formed on the plug unit 1 described later, and prevents the band piece 11 from being deformed radially inward.
- the protruding portion 18 which is a high mountain has a function of displacing each band piece 11 after the connection piece 14 is cut off when the ratchet is passed over during the rotation process of the cap.
- the projections 17 and 18 are formed in a trapezoidal shape, and the tip surfaces of these projections 17 and 18 appropriately abut against the tip surface of the deformation preventing portion. It is formed in a shape that does not catch on the ratchet when passing through the position.
- the side portions adjacent to each other are arranged such that a part thereof overlaps with each other.
- the pouring portion 20 has a cylindrical mouth portion 21 formed at an upper portion thereof, and an elongated tubular straw portion 28 formed at a lower portion thereof. Further, between the mouth portion 21 and the straw portion 28, there are layered pedestals 24, 25, 26 projecting horizontally outward from the outer periphery of the pouring portion 20, and the lower side of the pedestals 24, 25, 26. And an attachment portion 27 attached to the upper end of the container A.
- the straw part 28 formed at the lower part of the pouring part 20 is formed in an elongated cylindrical shape, and is inserted into the container A.
- An opening 29 is formed at the lower end of the straw portion 28, and an elongated hole 30 communicating the inside and the outside of the straw portion 28 is formed at a side surface portion.
- the straw portion 28 is provided with a plate-like member 31 projecting to both sides at a position corresponding to the elongated hole in the axial direction. When the container A is crushed, the plate-shaped member 31 secures a passage to the opening 29 and the elongated hole 30 and allows the contents to enter the inside of the straw 28.
- the mounting portion 27 is formed flat in the front-rear direction and protrudes left and right. Is formed. The upper edge of the container A is attached to the outer surface of the mounting portion 27, and the mounting portion 27 is hermetically sealed so that no gap is formed between the two.
- the pedestals 24, 25, 26 are formed so as to have three layers vertically. These pedestals 24, 25, 26 are formed in octagons which are horizontally long on the left and right, respectively, and the outer peripheral surface force of the mouth 21 projects horizontally around the mouth 21. The lower surface of the lowermost pedestal 26 is in contact with the upper edge of the container A to prevent the pouring section 20 from dropping into the container A in the manufacturing process.
- the mouth 21 located at the top of the pouring section 20 is formed in a cylindrical shape, and a helical male screw 22 is formed on the outer peripheral surface thereof.
- the male screw 22 meshes with the female screw 5 formed on the inner wall surface of the opening / closing cap 2, and the opening / closing cap 2 is screwed into the opening 21.
- the opening / closing cap 2 is detachably attached to the opening 21.
- a pair of fan-shaped stoppers 23 are formed at the lower end of the mouth 21 so that the outer peripheral surface force of the mouth 21 also projects right and left.
- the outer edge of each stop 23 is formed so as to be located inside the outer edge of the pedestal 24.
- the stoppers 23 are separated from each other at positions corresponding to the front and rear portions of the container A, and their end faces face each other in parallel! /
- the stoppers 23 are arranged at positions above the upper pedestal 24 by a predetermined distance, and a gap is formed between the stopper 23 and the upper pedestal 24. In this gap, a plurality of ribs 40, 42, 44, 46 force extend toward the outer edge of the storage device 23 so as to connect the pedestal 24 and the storage device 23.
- the pair of ribs 40 are formed to extend left and right from the outer peripheral surface of the mouth 21 respectively.
- the tip of the rib 40 projects radially outward from the outer edge of the stopper 23.
- the tip of the rib 40 is a ratchet 41 which engages with the claw 15 formed on the band piece 11 of the opening / closing cap 2.
- the ratchet 41 is arranged at a position symmetrical about the opening 21 on the outer edge of the stopper 23, and is slightly inclined in a direction opposite to the opening direction X of the opening / closing cap 2.
- the pair of ribs 42 extend to the peripheral edge of the stopper 23 at right angles to the intermediate position force rib 40 between the root and the tip of the rib 40 described above.
- the ends of these ribs 42 are also the outer edges of the stopper 23 The force protrudes outward.
- This projecting portion also functions as the ratchet 43.
- These ratchets 43 are also provided at positions symmetrical about the mouth 21 as an axis.
- the ratchet 43 is extended such that the intermediate position force between the root and the tip of the rib 40 is also perpendicular to the rib 40, the ratchet 43 is inevitably opposite to the opening direction X of the opening / closing cap 2. It is inclined to.
- ratchets 41 and 43 are arranged such that the ratchet 41 and the ratchet 43 engage with the claw portion 16 and the claw portion 16 at the same time, respectively, when the opening and closing cap 2 is loosened. I have.
- two pairs of ribs 44, 46 extend from the outer peripheral surface of the opening 21 toward the outer edge of the stopper 23.
- the ribs 44 and 46 are provided between the rib 40 having the ratchet 41 and the end face of the opening / closing cap 2 located in the opening direction X with respect to the rib 40, and in the closing direction Y in which the opening / closing cap 2 is tightened.
- One each is formed between the end faces.
- the tips of the pair of ribs 44 and the tips of the pair of ribs 46 are formed so as to be symmetrical with respect to the opening 21.
- the rib 44 located on the end face side located in the opening direction X of the opening / closing cap 2 protrudes slightly outward from the outer edge of the stopper 23, while the closing direction of the opening / closing cap 2 is closed.
- the distal end surface of the rib 46 located between the end surface located at Y is located inside the outer edge of the stopper 23 by a predetermined distance.
- the distal end surface of the rib 44 is a deformation preventing portion 45 that prevents the band pieces 11 from being deformed when the band pieces 11 are manually pushed inward in the radial direction and the projections 17 and 18 abut.
- the deformation preventing portion 45 may be provided flush with the outer edge of the stopper 23.
- the ratchet 41 and the claw 15 and the ratchet 43 and the claw 16 are related to each other when the opening / closing cap 2 is loosened. This corresponds to the position immediately before the connection piece 14 is cut.
- the projections 17 and 18 are located at positions facing the deformation preventing portion 45.
- the band 10 is protected as follows in a state where the opening / closing cap 2 is sealed in the mouth portion 21.
- the band 10 Is disposed between the upper pedestal 24 and the contact prevention unit 8.
- the peripheral edge of the pedestal 24 projects radially outward from the outer peripheral surface of the band 10, while the outer peripheral edge of the contact prevention portion 8 extends radially to almost the same position as the outer peripheral edge of the band 10.
- the band 10 arranged between the upper pedestal 24 and the contact prevention portion 8 can effectively prevent external force from acting on the band 10 that hardly comes into contact with external foreign matter.
- the connecting pieces 12 and 13 connect the lower end face of the cap body 3 and the band 10 on the inner surface side of the band 10, the connecting pieces 12 and 13 are Protected by the band 10 itself, contact with external foreign matter is reliably prevented. Therefore, in a state where the opening / closing cap 2 is tightened in the spouting portion 20 and the mouth portion 21 is sealed, the connecting pieces 12 and 13 cannot be cut off merely by contacting the opening / closing cap 2 with an external foreign matter. Effectively implements the function to prevent tampering.
- the band pieces 11 are connected to each other. It is located near the center of. Further, the ratchet 41 and the claw portion 15 and the ratchet 43 and the claw portion 16 face each other with a very small gap. On the other hand, the deformation preventing portion 45 formed at the tip of the rib 44 and the projecting portions 17 and 18 formed on the band piece 11 are also formed so that a slight gap is formed in the circumferential direction therebetween. , The projections 17 and 18 are located on the rear side in the opening direction X of the opening / closing cap 2.
- the play in the rotation direction of the opening and closing cap 2 is provided. Can be suppressed. Also, if the opening / closing cap 2 seals the mouth 21, little clearance is formed between the ratchet 41 and the claw portion 15 and between the ratchet 43 and the claw portion 16, so that play in the rotation direction of the opening / closing cap 2 is suppressed.
- falsification prevention function itself is exhibited as follows.
- the pouring section 20 has a plurality of ratchets 41, 43, while the opening / closing cap 2 has a plurality of claw sections 15, 16 which are engaged with them. Therefore, in order to rotate the opening / closing cap 2 without damaging the band piece 11, the connecting pieces 12, 13 and the connecting piece 14, all the ratchets 41, 43 and the claws 15, which engage with them, are required. About 16 must be crafted at the same time. At the same time, it is extremely difficult to work on all of these concealed by the bandpiece 11 and the pedestal 24 at the same time. The provision of the plurality of ratchets 41, 43 and the plurality of claws 15, 16 engaging with them also plays a role in preventing tampering.
- the opening / closing cap 2 is rotated counterclockwise with respect to the pouring section 20 in the opening direction X. Then, as shown in FIG. 8, the ratchet 41 and the claw portion 15 and the ratchet 43 and the claw portion 16 are engaged with each other. When the opening / closing cap 2 is further rotated in the opening direction X from this state, the claw portions 15 and 16 are hooked on the rats 41 and 43, respectively. At this time, a tensile force acts on the band 10 in the circumferential direction, and the connecting piece 14 is cut.
- each band piece 11 has its front side in the opening direction X deformed downward.
- the connecting piece 13 located on the rear side in the opening direction X connects the band piece 11 and the cap body 3 without being cut. While the connecting piece 12 with small thickness and width located on the front side is pulled. A load is applied, and the connecting piece 12 is cut.
- each band piece 11 is displaced largely downward on the front side in the opening direction X of the opening / closing cap 2. In this way, by displacing the band piece 11 of the opening / closing cap 2, it is possible to very easily recognize the state after the opening / closing cap 2 is opened.
- the opening / closing cap may be configured as shown in FIG.
- the opening / closing cap 2A shown in FIG. 11 has only the force of the rib 50 on the outer peripheral surface of the cap body 3, and is different from the opening / closing cap 2 shown in FIG. For this reason, the same portions are denoted by the same reference numerals, and detailed description is omitted.
- This opening / closing cap 2A also includes a cap body 3 and a band 10 connected to the lower end surface 3b.
- the cap body 3 is constituted by a cylindrical body whose upper surface 4 is closed and whose lower part is open.
- a helical female screw 5 is formed on the inner surface, and is configured so that it can be screwed to the outer peripheral surface of the mouth of the spout (not shown).
- a contact prevention part 8 is formed at the lower part of the cap body 3.
- the contact preventing portion 8 is also formed by projecting the lower part of the cap body 3 outward in the radial direction, and is formed so that the outer surface 8a of the cap body 3 is inclined downward as it goes radially outward like a cap. Have been.
- a rib 50 radially protruding outward in the radial direction is formed on the entire outer circumference 3a of the cap body 3.
- the upper end 50 a of the rib 50 is formed flush with the upper surface 4 of the cap body 3.
- the lower portion 50b of the rib 50 is also formed so as to be flush with the lower end surface 3b of the cap body 3.
- the rib 50 that does not expose the contact prevention portion 8 to the outside of the rib 50 covers the outer peripheral surface of the contact prevention portion 8.
- the rib 50 itself also functions as a contact prevention unit.
- the band 10 is arranged below the lower surface of the cap body 3.
- the band 10 is divided into two band pieces 11 in the circumferential direction, and each of the band pieces 11 is connected at its circumferential end by a connecting piece 14.
- the band 10 comprises the band piece 11 and each band piece 11 is connected to the lower end surface 3b of the cap body 3 by two connecting pieces 12 and 13 at the circumferential direction.
- the connecting pieces 12, 13 are also arranged on the inner peripheral side of each band piece 11.
- Fig. 12 shows an opening / closing cap that works in yet another embodiment.
- the opening / closing cap 2B also includes a cap body 3 and a band 10 connected to the lower end surface 3b.
- the cap body 3 is a cylindrical body whose upper surface 4 is closed and whose lower part is open.
- a female screw 5 is formed on the inner surface.
- a seal body 6 protrudes downward from the inner surface of the upper surface of the cap body 3.
- the entire outer peripheral surface 3a of the cap main body 3 is formed in a truncated conical shape that gradually expands downward.
- a rib 60 radially protruding outward in the radial direction is formed on the entire outer circumference 3a.
- the upper end 60a of the rib 60 is formed flush with the upper surface 4 of the cap body 3, and the lower part 60b of the rib 60 is also formed flush with the lower end surface 3b of the cap body 3. .
- the band 10 is disposed below the lower end surface 3b of the cap body 3.
- the band 10 is divided into two band pieces 11, and each of the band pieces 11 is connected at its circumferential end with a connecting piece 14.
- the band piece 11 of the band 10 is connected to the lower end face 3b of the opening / closing cap by connecting pieces 12 and 13 at two circumferential positions. These connecting pieces 12 and 13 are also arranged on the inner peripheral side of each band piece 11.
- the tip of the rib 60 protrudes from the lower portion of the cap body 3 to almost the same position as the outer peripheral surface of the band 10. For this reason, in this opening / closing cap 2B, the rib 60 itself functions as a contact preventing portion.
- the band is not limited to this.
- the peripheral force connecting piece may be extended, or the outer peripheral force connecting piece may be extended, and a band may be connected to this connecting piece.
- the band is not limited to the one divided into two, and it is sufficient that at least one portion in the circumferential direction that separates the band in the circumferential direction is provided. Alternatively, it is acceptable to use one divided into three or more parts.
- the contact prevention portion has been described as an example in which the contact prevention portion is extended to substantially the same position as the outer peripheral surface of the band in the radial direction.
- the present invention is not limited to this. You may comprise so that it may protrude to the outside of a direction.
- FIG. 13 shows the configuration of the opening / closing cap 2.
- the opening / closing cap 2 has a cylindrical cap body 3 and a band 10 provided at the lower end of the cap body 3 so as to extend in the circumferential direction of the opening / closing cap 2.
- the cap body 3 is constituted by a cylindrical body whose upper surface 4 is closed and whose lower part is open.
- a helical female screw 5 is formed on the inner surface, and is configured so that it can be screwed to the outer peripheral surface of the mouth 21.
- the opening / closing cap 2 is screwed into the mouth portion 21, the outer peripheral surface of the seal body 6 is in close contact with the inner surface of the mouth portion 21 to prevent the contents from leaking.
- ribs 7 radially protruding outward in the radial direction are formed all around.
- a contact prevention portion 8 is provided below the cap body 3 so that the lower part of the cap body 3 projects outward in the radial direction.
- the outer surface 8a of the contact preventing portion 8 prevents foreign matter such as another opening / closing cap from hitting the band 10.
- the band 10 is disposed below the lower end surface 3b of the cap body 3, and is connected to the lower end surface 3b of the cap body 3 by connecting pieces 12, 13.
- the band 10 is divided into two band pieces 11 in the circumferential direction, and each of the band pieces 11 is circumferentially divided. Are connected by connecting pieces 14.
- each band piece 11 constituting the band 10 is connected to the lower end surface 3 b of the opening / closing cap 2 by connecting pieces 12 and 13 at two locations in the circumferential direction.
- These connecting pieces 12 and 13 are arranged on the inner peripheral side of each band piece 11.
- each band piece 11 On the inner peripheral surface of each band piece 11, two claw portions 15, 16 are formed. Further, each of the band pieces 11 is formed so that two trapezoidal projections 17 and 18 are overlapped. The projections 17 and 18 project from the inner surface of the band piece 11 toward the center axis of the opening / closing cap 2 in the radial direction.
- the cap body 3 is formed integrally with the cap body 3 with a band-shape maintaining body 9 protruding downward from the lower end surface thereof.
- the band shape maintaining body 9 prevents the band 10 from being pushed inward in the radial direction of the opening / closing cap 2 even when another opening / closing cap 2 is pressed against the band 10.
- the band shape maintaining body 9 is formed in an annular shape, and its outer diameter is formed to such a size that a predetermined gap is formed with the inner surface of the band 10. That is, in a normal state, the outer diameter is set so that the claw portions 15, 16 and the protrusion portions 17, 18 provided on the inner surface of each band piece 11 do not interfere with the band shape maintaining body 9. Is formed.
- the inner diameter is formed to be the same as the inner diameter of the cap body 3. Further, as shown in FIG. 13, the band shape maintaining body 9 is protruded to such an extent that the lower end thereof substantially coincides with the center of the band 10 in the height direction.
- the band shape maintaining body may be provided as shown in FIG.
- the structure of the opening / closing cap 2A shown in FIG. 14 is the same as that of the opening / closing cap 2 shown in FIG.
- a plurality of projections 9B are intermittently arranged in the circumferential direction inside the band 10 on the lower end surface of the cap body 3 to form the band shape maintaining body 9A. ing. These projections 9B are formed so as to be evenly arranged in the circumferential direction of the opening / closing cap 2A. Each projection 9B is formed to have a height of about 1Z2-1Z3, which is the height of the band 10. Even when the band shape maintaining body 9A is formed in this way, it is possible to effectively prevent the band 10 from being pushed inward in the radial direction.
- Fig. 15 shows the operation of the band-shape maintaining body 9.
- the band-shape maintaining body 9 is viewed from outside the opening / closing cap 2. Show the case where an external force is applied to deform the band 10 inward in the radial direction!
- FIG. 16 shows one step of a method of manufacturing the openable cap 2.
- the opening / closing cap 2 is integrally formed by injection molding. That is, the mold includes a cap body 3, a band piece 11 constituting the band 10, connecting pieces 12, 13 connecting the band pieces 11 to the cap body 3, and a connection connecting the band pieces 11 to each other.
- the cavities forming the band shape maintaining body 9 for preventing the deformation of the piece 14 and the band 10 are formed, and the resin material S is injected into these, and each part is injection-molded in one step.
- the state immediately after injection molding is the state shown in FIG. 16 (a).
- the band 10 in the injection molding stage, the band 10 is separated so that a predetermined gap is formed between the band 10 and the lower end of the cap body 3, and the band 10 is connected by the connecting pieces 12, 13. It is molded in the state in which it was done.
- the dimension formed between the lower end of the cap body 3 and the upper end of the band 10 is formed slightly larger than the dimension of the lower end of the band shape maintaining body 9 with respect to the lower end of the cap body 3.
- the band 10 is pushed toward the cap body 3. As a result, as shown in FIG.
- the connecting pieces 12, 13 are contracted and the band 10
- the upper end and the lower end of the cap body 3 approach each other, and the gap formed between them becomes very small.
- the band 10 is sufficiently pushed in so as not to interfere with the pouring section 20.
- the method of manufacturing the opening / closing cap 2 is not limited to the method shown in FIG.
- the cap body 3 and the band 10 are molded by one injection to obtain the state shown in FIG. 16 (a).
- the molding of the cap body 3 and the molding of the band 10 may be performed in two steps while using only the machine.
- the first step only the cap body 3 is injection-molded (FIG. 17 (a)).
- the band 10 is injection-molded (FIG. 17 (b)).
- the gap formed between the upper end of the band 10 and the lower end of the cap body 3 is arranged at a position where the distance between the lower end of the cap body 3 and the lower end of the band shape maintaining body 9 is larger. You. Thereafter, the band 10 is pushed toward the cap body 3 to shrink the connecting pieces 12 and 13 so that the band 10 is disposed outside the band shape maintaining body 9 (FIG. 17 (c)).
- the cap body 3 and the band 10 may be separately formed, and then connected. That is, as shown in FIG. 18 (a), the cap body 3 is molded by one injection molding machine, and separately, as shown in FIG. 18 (b), the band is formed by another injection molding machine. Form 10.
- the connecting pieces 12, 13 are formed on either the lower end of the cap body 3 or the upper end of the band 10. (In the embodiment shown in FIG. 18, the connecting pieces 12, 13 are provided on the band. ).
- the band 10 is connected to the lower end of the cap body 3 as shown in FIG. In the connection step between the two, the band 10 is pushed into the cap body 3 in advance so that the band 10 is positioned outside the band shape maintaining body 9.
- the cap body 3 and the band 10 are connected to each other at the connection pieces 12 and 13 by, for example, ultrasonic sealing.
- the band 10 is simply positioned at the lower portion of the cap body 3, and the connecting piece is arranged so that the band 10 is arranged at the same position as the band shape maintaining body 9 in the vertical direction. Shorten 12, 13 in advance
- the opening / closing cap 2 is a molded base material having a schematic shape of the opening / closing cap 2. May be manufactured by processing. That is, a mold having a schematic shape of the opening / closing cap 2 is formed by injection molding. This mold includes a portion that can be configured as the cap body 3 and a portion that is configured as the band 10. The cap body 3 and the band 10 are connected to each other by the connecting pieces 12 and 13 by applying mechanical force laser processing to the strong mold material.
- the opening / closing cap 2 is rotated in the opening direction X which is counterclockwise with respect to the pouring section 20. Then, as shown in FIG. 8, the ratchet 41 and the claw portion 15 and the ratchet 43 and the claw portion 16 are engaged with each other.
- the opening / closing cap 2 is further rotated in the opening direction X from this state, the claw portions 15 and 16 are hooked on the rats 41 and 43, respectively. At this time, a tensile force acts on the band 10 in the circumferential direction, and the connecting piece 14 is cut.
- connection piece 14 when the claw portions 15 and 16 of the band piece 11 are engaged with the corresponding ratchets 41 and 43, a portion of the band piece 11 located on the rear side in the opening direction X with respect to the connection piece 14 based on the connection piece 14. Is prevented from rotating, while a portion in a predetermined range located on the front side in the opening direction X is rotated. For this reason, a tensile force acts on the connection piece 14, and as shown in FIG. 9, the connection piece 14 is cut so as to be separated in the circumferential direction.
- each band piece 11 has its front side in the opening direction X deformed downward.
- the connecting piece 13 located on the rear side in the opening direction X connects the band piece 11 and the cap body 3 without being cut. While maintaining the above, a tensile load is applied to the small and thick connecting piece 12 located on the front side, and the connecting piece 12 is cut.
- the displacement of the band piece 11 of the opening / closing cap 2 makes it very easy to recognize that the state is after the opening / closing cap 2 has been opened.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/591,848 US7735666B2 (en) | 2004-03-22 | 2005-03-18 | Open/close cap and manufacturing method thereof |
KR1020127030086A KR101298855B1 (ko) | 2004-03-22 | 2005-03-18 | 개폐 캡 및 그 제조 방법 |
CN2005800091584A CN1934008B (zh) | 2004-03-22 | 2005-03-18 | 开/闭盖及其制造方法 |
EP05721099A EP1728726B1 (en) | 2004-03-22 | 2005-03-18 | Opening/closing cap and method of producing the same |
HK07108019.3A HK1103699A1 (en) | 2004-03-22 | 2007-07-24 | Opening/closing cap and method of producing the same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004083529A JP4520760B2 (ja) | 2004-03-22 | 2004-03-22 | 口栓ユニット |
JP2004-083529 | 2004-03-22 | ||
JP2004-196334 | 2004-07-02 | ||
JP2004196334A JP3899349B2 (ja) | 2004-07-02 | 2004-07-02 | 開閉キャップ及びその製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005090182A1 true WO2005090182A1 (ja) | 2005-09-29 |
Family
ID=34993563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/004912 WO2005090182A1 (ja) | 2004-03-22 | 2005-03-18 | 開閉キャップ及びその製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7735666B2 (ja) |
EP (1) | EP1728726B1 (ja) |
KR (2) | KR20060134982A (ja) |
HK (1) | HK1103699A1 (ja) |
WO (1) | WO2005090182A1 (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6981602B2 (en) * | 1997-08-01 | 2006-01-03 | Portola Packaging, Inc. | Tamper evident bottle cap |
JP4921944B2 (ja) * | 2006-12-07 | 2012-04-25 | 株式会社細川洋行 | 口栓ユニット及びそれを用いた袋体 |
NZ554715A (en) * | 2007-04-23 | 2010-02-26 | Vin Singlz Ltd | Improvements in and relating to tamper evident seals |
US20110132941A1 (en) * | 2009-12-08 | 2011-06-09 | Kim Sang Soon | Spout for a pouch |
USD712744S1 (en) * | 2013-03-14 | 2014-09-09 | Silgan White Cap LLC | Closure |
US9309032B2 (en) | 2014-02-17 | 2016-04-12 | Silgan White Cap LLC | Dispenser and closure with hinge attached tamper band |
USD756777S1 (en) | 2014-02-17 | 2016-05-24 | Silgan White Cap LLC | Closure |
USD760081S1 (en) | 2014-10-31 | 2016-06-28 | Silgan White Cap LLC | Spout |
US9533802B2 (en) | 2014-10-31 | 2017-01-03 | Silgan White Cap LLC | Closure with tamper band and spout |
WO2017135958A1 (en) | 2016-02-04 | 2017-08-10 | Silgan White Cap LLC | Container assembly with vent |
KR101639736B1 (ko) * | 2016-03-17 | 2016-07-14 | (주) 오성프라스틱 | 테두리의 분리가 방지되는 파우치 마개 |
KR101639740B1 (ko) * | 2016-03-23 | 2016-07-14 | (주) 오성프라스틱 | 수직하중을 분산시키는 파우치 마개 |
US9938050B2 (en) | 2016-05-13 | 2018-04-10 | Silgan White Cap LLC | Closure with hinged tamper band |
US10351315B2 (en) | 2017-09-19 | 2019-07-16 | Silgan White Cap LLC | Closure with tamper band and spout |
EP3763632B1 (en) | 2018-03-06 | 2022-11-09 | Hosokawa Yoko Co., Ltd. | Structure of mouth plug portion, and package |
KR102051791B1 (ko) | 2018-11-16 | 2020-01-08 | 고려대학교 산학협력단 | 토양가스를 모니터링하고 모니터링 결과에 기반하여 대응 처리하는 시스템 및 방법 |
US11059633B2 (en) | 2019-10-31 | 2021-07-13 | Cheer Pack North America | Flip-top closure for container |
GB202000444D0 (en) | 2020-01-13 | 2020-02-26 | Gbuk Group Ltd | Tamper evident cap |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US4657153A (en) * | 1985-11-18 | 1987-04-14 | Anchor Hocking Corporation | Tamper-evident closure |
JPH05124669A (ja) | 1991-04-29 | 1993-05-21 | Guala Spa | 密封保証封止体 |
EP0679584A1 (en) | 1994-04-27 | 1995-11-02 | Japan Crown Cork Co. Ltd. | Plastic cap |
JPH08198288A (ja) * | 1995-01-18 | 1996-08-06 | Shibasaki Seisakusho:Kk | 閉止装置及び容器 |
JP2004051195A (ja) | 2002-07-23 | 2004-02-19 | Fuji Seal Inc | キャップの開封確認構造 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4343408A (en) * | 1980-04-21 | 1982-08-10 | General Kap (P.R.) Corporation | Tamper-evident plastic closure |
US4503986A (en) * | 1984-03-30 | 1985-03-12 | Anchor Hocking Corporation | Tamper-evident closure cap |
US5056675A (en) * | 1991-01-18 | 1991-10-15 | Sunbeam Plastics Corporation | Tether web ratchet drive tamper indicating band closure |
DE4236741C1 (de) * | 1992-10-30 | 1994-01-13 | Gaplast Gmbh | Stopfen für einen Behälter und Verfahren zur Herstellung des Stopfens |
JPH09502411A (ja) * | 1994-06-27 | 1997-03-11 | クロウン・コルク・アクチェンゲゼルシャフト | 悪戯防止リングを備えた閉鎖キャップ |
TW279835B (en) * | 1995-03-22 | 1996-07-01 | Precision Valve Corp | Tamper-evident closure with captive band |
JP3744576B2 (ja) * | 1995-12-01 | 2006-02-15 | 日本クラウンコルク株式会社 | プラスチックキャップ |
-
2005
- 2005-03-18 KR KR1020067018852A patent/KR20060134982A/ko active Application Filing
- 2005-03-18 KR KR1020127030086A patent/KR101298855B1/ko active IP Right Grant
- 2005-03-18 WO PCT/JP2005/004912 patent/WO2005090182A1/ja not_active Application Discontinuation
- 2005-03-18 EP EP05721099A patent/EP1728726B1/en not_active Expired - Fee Related
- 2005-03-18 US US10/591,848 patent/US7735666B2/en active Active
-
2007
- 2007-07-24 HK HK07108019.3A patent/HK1103699A1/xx unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4657153A (en) * | 1985-11-18 | 1987-04-14 | Anchor Hocking Corporation | Tamper-evident closure |
JPH05124669A (ja) | 1991-04-29 | 1993-05-21 | Guala Spa | 密封保証封止体 |
EP0679584A1 (en) | 1994-04-27 | 1995-11-02 | Japan Crown Cork Co. Ltd. | Plastic cap |
JPH08198288A (ja) * | 1995-01-18 | 1996-08-06 | Shibasaki Seisakusho:Kk | 閉止装置及び容器 |
JP2004051195A (ja) | 2002-07-23 | 2004-02-19 | Fuji Seal Inc | キャップの開封確認構造 |
Non-Patent Citations (1)
Title |
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See also references of EP1728726A4 |
Also Published As
Publication number | Publication date |
---|---|
EP1728726B1 (en) | 2012-05-09 |
HK1103699A1 (en) | 2007-12-28 |
KR20060134982A (ko) | 2006-12-28 |
KR101298855B1 (ko) | 2013-08-23 |
US20070108154A1 (en) | 2007-05-17 |
EP1728726A4 (en) | 2009-01-14 |
US7735666B2 (en) | 2010-06-15 |
EP1728726A1 (en) | 2006-12-06 |
KR20120135925A (ko) | 2012-12-17 |
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