EP3502001A1 - Dosendeckel - Google Patents

Dosendeckel Download PDF

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Publication number
EP3502001A1
EP3502001A1 EP17843351.2A EP17843351A EP3502001A1 EP 3502001 A1 EP3502001 A1 EP 3502001A1 EP 17843351 A EP17843351 A EP 17843351A EP 3502001 A1 EP3502001 A1 EP 3502001A1
Authority
EP
European Patent Office
Prior art keywords
sliding member
tab
lid body
lid
section
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Withdrawn
Application number
EP17843351.2A
Other languages
English (en)
French (fr)
Other versions
EP3502001A4 (de
Inventor
Atsushi KOMINAMI
Masaomi Tamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Seikan Group Holdings Ltd
Toyo Seikan Co Ltd
Original Assignee
Toyo Seikan Kaisha Ltd
Toyo Seikan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyo Seikan Kaisha Ltd, Toyo Seikan Co Ltd filed Critical Toyo Seikan Kaisha Ltd
Publication of EP3502001A1 publication Critical patent/EP3502001A1/de
Publication of EP3502001A4 publication Critical patent/EP3502001A4/de
Withdrawn legal-status Critical Current

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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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/32—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness having non-detachable members or portions
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/34—Arrangement or construction of pull or lift tabs
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
    • 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
    • B65D1/12—Cans, casks, barrels, or drums
    • B65D1/14—Cans, casks, barrels, or drums characterised by shape
    • B65D1/16—Cans, casks, barrels, or drums characterised by shape of curved cross-section, e.g. cylindrical
    • B65D1/165—Cylindrical cans
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/001—Action for opening container
    • B65D2517/0014—Action for opening container pivot tab and push-down tear panel
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/001—Action for opening container
    • B65D2517/002—Unusual opening actions
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials

Definitions

  • the present invention relates to a can lid provided in a can for storing a beverage or food.
  • a can lid provided in a can for storing a beverage or food has a tab for opening the lid along a score scribed on the lid body.
  • the tab is generally fixed to the lid body by a rivet.
  • An object of the present invention is to provide a can lid that enables a tab to be easily pulled up.
  • the present invention adopts the following means.
  • a can lid according to the present invention is a can lid that has a lid body having a scribed score, and a tab fixed to the lid body, wherein the tab includes
  • This configuration allows the rear end of the tab to be moved in a direction away from the surface of the lid body since the sliding member is in sliding contact with the protruding section while the sliding member is caused to slide from the initial position.
  • This configuration enables the rotation-stopping protrusion that restricts movement of the tab in the rotation direction to have a function of moving the rear end of the tab in a direction away from the surface of the lid body.
  • Such protruding section formed on the sliding member in this manner even allows the rear end of the tab to be moved in a direction away from the surface of the lid body.
  • a distance from an end surface on the lid body side to an end surface on the tab side in the insertion section may be shorter on a leading end side of the insertion section in a slide direction than on a rear end side.
  • This configuration enables an operation for causing the sliding member to slide to be performed more easily.
  • a tab can be easily pulled up.
  • a can lid in the present invention is provided in a can for storing a beverage or food.
  • Can lids provided in beverage cans are commonly partially-open type can lids in which only a part of a lid body opens, while can lids provided in food cans are commonly full aperture type can lids in which approximately an entire area of a lid body opens.
  • the following embodiments will be described using a partially-open type can lid provided in a beverage can as an example.
  • the can lid 10 according to the first embodiment has a lid body 100, a tab 200 fixed to the lid body 100, and a sliding member 300 attached to the lid body 100.
  • the lid body 100, the tab 200, and the sliding member 300 constituting the can lid 10 are all made of a metal such as aluminum.
  • the lid body 100 has a scribed score 110, a first rivet 120 for fixing the tab 200, and a pair of protruding sections 130. As indicated by dotted lines in Figs. 1 and 2 , an area bordered by the score 110 is a predetermined opening area O. An area depicted by an xx line in Fig. 2 is an opening start area OS. The opening start area OS is present in a vicinity of the first rivet 120.
  • the pair of protruding sections 130 each having an approximately conical shape and formed in an area facing the tab 200 function as a rotation-stopping protrusion that restricts movement of the tab 200 in a rotation direction.
  • the lid body 100 is provided with a second rivet 140 which rotatably supports the sliding member 300. The second rivet 140 may be provided by a riveting process to the lid body 100 or bonding a member to be the second rivet 140.
  • the tab 200 has a through-hole 210 to be fixed by the first rivet 120, a leading end 220 on one side of the through-hole 210, and a rear end 230 on an opposite side to the leading end 220.
  • the tab 200 has a U-shaped hole 240 which allows the tab 200 to easily deform when pulled up.
  • the tab 200 has a finger hooking ring 250 on which one can hook a finger.
  • the leading end 220 of the tab 200 is positioned inside the predetermined opening area O of the lid body 100.
  • the rear end 230 of the tab 200 is positioned on an opposite side to the leading end 220 relative to a portion where the tab 200 is fixed to the lid body 100 (a portion where the first rivet 120 is provided).
  • a user When opening the predetermined opening area O, a user normally hooks a finger on the rear end 230 or the finger hooking ring 250 and pulls up the tab 200.
  • the sliding member 300 has an insertion section 310 which causes the rear end 230 of the tab 200 to move in a direction in which the rear end 230 separates from a surface of the lid body 100 and a through-hole 320 which allows the sliding member 300 to be rotatably supported by the second rivet 140 provided on the lid body 100.
  • a tab-side end edge of the insertion section 310 has a thickness that allows the insertion section 310 to be inserted between the lid body 100 and the tab 200, and the sliding member 300 attached to the lid body 100 can be rotated around the second rivet 140. W hen the sliding member 300 is rotated clockwise in Fig. 1 , the sliding member 300 can slide (rotate) in a state where a part (the insertion section 310) of the sliding member 300 has penetrated into a gap between the lid body 100 and the tab 200.
  • Fig. 8 is a plan view of the can lid representing a state where the sliding member 300 has been rotated clockwise by a prescribed angle from an initial position shown in Fig. 1 .
  • Fig. 9 is a sectional view taken along A4-A4 in Fig. 8 .
  • the insertion section 310 does not penetrate into a gap between the lid body 100 and the tab 200 (see Fig. 1 ).
  • the sliding member 300 is configured such that rotating (sliding) the sliding member 300 causes the insertion section 310 to penetrate into the gap between the lid body 100 and the tab 200.
  • the sliding member 300 While the sliding member 300 is caused to rotate (slide), after the insertion section 310 penetrates into the gap between the lid body 100 and the tab 200, the insertion section 310 comes into contact with the protruding section 130 and subsequently runs on the protruding section 130.
  • the insertion section 310 is configured to run on a left-side protruding section 130 in Fig. 2 in the pair of protruding sections 130 shown in the drawing.
  • the rear end 230 When the insertion section 310 runs on and is in sliding contact with the protruding section 130, the rear end 230 is caused to move in a direction in which the rear end 230 separates from the surface of the lid body 100 using the first rivet 120 as a fulcrum. This forms a gap between the rear end 230 and the lid body 100 (see Fig. 9 ).
  • sliding the sliding member 300 of the can lid 10 according to the first embodiment from its initial position causes the rear end 230 of the tab 200 to move in a direction in which the rear end 230 separates from the surface of the lid body 100.
  • This allows a user to insert a finger into a gap formed between the rear end 230 and the lid body 100 so that the tab 200 can be easily pulled up.
  • making the sliding member 300 run on the protruding section 130 as a rotation-stopping protrusion for restricting movement of the tab 200 in the rotation direction causes the rear end of the tab 200 to move further in a direction in which the rear end separates from the surface of the lid body.
  • the first embodiment includes a protruding section 130 that is in sliding contact with the sliding member 300 while the sliding member 300 is caused to slide from its initial position 130, and the protruding section 130 is formed on the lid body 100.
  • a protruding section may be formed on the tab.
  • the tab 200 of the first embodiment may have a protruding section on it that protrudes toward the lid body 100.
  • Such protruding section may be configured so that the insertion section 310 penetrates between the protruding section (not shown) formed on the tab 200 and the lid body 100 after the insertion section 310 penetrates into the gap between the lid body 100 and the tab 200 while the sliding member 300 is caused to rotate (slide) from its initial position.
  • the sliding member of the first embodiment may have a protruding section that is in sliding contact with the lid body or the tab while the sliding member is caused to slide from its initial position.
  • the insertion section 310 of the sliding member 300 of the first embodiment may have a protruding section 310X as shown in Fig. 6 .
  • the protruding section 310X may be provided on at least one of both surfaces of the insertion section 310. When the insertion section 310 penetrates into the gap between the lid body 100 and the tab 200, the protruding section 310X is in sliding contact with the lid body 100 or the tab 200 while the sliding member 300 is caused to rotate (slide) from its initial position.
  • the insertion section 310 of the sliding member 300 of the first embodiment does not penetrate into the gap between the lid body 100 and the tab 200 in an initial state.
  • the rear end 230 of the tab 200 moves by a certain distance in a direction in which the rear end 230 separates from the surface of the lid body 100 using the first rivet 120 as a fulcrum.
  • the protruding section can be provided.
  • the protruding section may be provided on any of the lid body 100, the tab 200, and the sliding member 300 as described above.
  • the protruding section may be provided on two or more of the lid body 100, the tab 200, and the sliding member 300.
  • the tab 200 may have a grasping surface without forming the finger hooking ring 250, and the grasping surface as a whole may be configured as a protruding section or a protruding section may be provided on a part of the grasping surface, the protruding section protruding toward the lid body 100 side.
  • Various methods are possible for attaching the sliding member such as fixing by an adhesive for example and not limited to the above described method using the second rivet 140.
  • Fig. 10 is a schematic sectional view of the sliding member according to the first modification and is a sectional view corresponding to a cross section taken along B-B in a diagram representing a case where the protruding section 310X shown in Fig. 6 is not provided.
  • the sliding member according to the first modification is configured to be sloped toward a leading end side so that a height of the insertion section 310 in a thickness direction is greater on a left side in Fig. 10 than on a right side (i.e. H1 ⁇ H2 as shown in Fig. 10 ).
  • Such a configuration makes it easier to cause the insertion section 310 to enter the gap between the lid body 100 and the tab 200 while the sliding member is caused to slide and enables the rear end 230 of the tab 200 to be gradually moved in a direction in which the rear end 230 separates from the surface of the lid body 100.
  • the sloped configuration described above is realized by applying a bending process to an outer edge (on the leading end side) of the insertion section 310.
  • the sloped configuration described above can also be realized by varying a thickness of a metal plate which is made of aluminum or the like and which constitutes the insertion section 310.
  • a length in the insertion section 310 of the first modification from an end surface on the lid body side to an end surface on the tab side is configured to gradually change because of an inclined surface provided on an upper side as shown in Fig. 10 .
  • a length in the insertion section from an end surface on the lid body side to an end surface on the tab side can be configured to change in stages by providing a stair-like step.
  • the sliding member according to the first modification allows a large gap to be formed between the rear end 230 and the lid body 100 by sliding the sliding member. This allows a protruding section (the protruding section 130 or the like) described above to be omitted.
  • a protruding section the protruding section 130 or the like
  • the sliding member according to the first modification and a protruding section may be used in combination.
  • Fig. 11 is an external view of the sliding member according to the second modification.
  • a plan view of the sliding member In the left side of Fig. 11 is shown a plan view of the sliding member and in the right side the sliding member as viewed in a direction indicated by an arrow depicted in the plan view.
  • a sliding member 300A according to the second modification has a projection 330 as an operating section for operating the sliding member 300A.
  • the projection 330 allows a user to hook a finger on the projection 330, thereby the sliding member 300A can be easily caused to slide.
  • FIG. 12 is an external view of the sliding member according to the third modification.
  • a plan view of the sliding member In the left side of Fig. 12 is shown a plan view of the sliding member and in the right side the sliding member as viewed in a direction indicated by an arrow depicted in the plan view.
  • a sliding member 300B according to the third modification has a recess 340 as an operating section for operating the sliding member 300B.
  • the recess 340 allows a user to hook a finger on the recess 340, thereby the sliding member 300B can be easily caused to slide.
  • Fig. 13 is an external view (a plan view) of the sliding member according to the fourth modification.
  • a sliding member 300C according to the fourth modification has a hole 350 as an operating section for operating the sliding member 300C.
  • the hole 350 allows a user to hook a finger on the hole 350, thereby the sliding member 300C can be easily caused to slide.
  • Fig. 14 is an external view (a plan view) of the sliding member according to the fifth modification.
  • a sliding member 300D according to the fifth modification has a non-slip structure section 360 as an operating section for operating the sliding member 300D.
  • the non-slip structure section 360 has a structure which increases frictional resistance so as to prevent a finger from slipping.
  • the non-slip structure section 360 which prevents a finger from slipping allows a user to easily cause the sliding member 300D to slide.
  • An example non-slip structure section 360 may be a minute textured surface on a metallic sliding member 300D obtained through a blasting process.
  • An example operating section is a projection (the second modification), a recess (the third modification), a hole (the fourth modification), or a non-slip structure section (the fifth modification) as described above, but not limited to them.
  • the operating section may have at least any one of a projection, a recess, a hole, and a non-slip structure section, that is, the operating section may be configured by appropriately combining two or more of a projection, a recess, a hole, and a non-slip structure section.
  • Fig. 15 is a plan view of a can lid according to a second embodiment.
  • Fig. 15 shows main structures of the lid body and the tab only in a simplified manner.
  • Fig. 15 shows a state where a sliding member 300E is at its initial position.
  • the can lid 10 according to the second embodiment has a lid body 100, a tab 200 fixed to the lid body 100, and a sliding member 300E attached to the lid body 100.
  • the sliding member 300E according to the second embodiment is rotatably supported by a second rivet 140E provided on the lid body 100. A position of the second rivet 140E differs from that of the first embodiment.
  • the sliding member 300E is configured so as to penetrate into the gap between the lid body 100 and the tab 200 at an initial position of the sliding member 300E.
  • the sliding member 300E has a rectangular plate-like member.
  • the one end side of the sliding member 300E is rotatably supported by the second rivet 140E.
  • a projection 330E as an operating section is formed on the other end side of the sliding member 300E.
  • a portion near the projection 330E functions as an insertion section 310E.
  • the sliding member 300E of the can lid 10 according to the second embodiment is caused to rotate (slide) in a direction indicated by an arrow R in Fig. 15
  • the insertion section 310E is caused to come into contact with the protruding section 130E provided on the lid body 100 and subsequently run on and be in sliding contact with the protruding section 130E.
  • the rear end 230 of the tab 200 moves in a direction in which the rear end 230 separates from the surface of the lid body 100 using the first rivet 120 as a fulcrum. This forms a gap between the rear end 230 and the lid body 100 in a similar manner to the first embodiment.
  • a rotation-stopping protrusion of the second embodiment that restricts movement of the tab 200 in the rotation direction can be used as the protruding section 130E.
  • a protruding section may be provided on the tab 200 instead of on the lid body 100 in the second embodiment as in the first embodiment.
  • the insertion section 310E may be configured to have different heights in a thickness direction of the insertion section 310E between a leading end side and a rear end side in a slide direction as in the first modification shown in Fig. 10 .
  • An operating section may not be limited to the projection 330E but various configurations may be adopted for the operating section as presented in the above described third to fifth modifications.
  • the sliding member 300E of the second embodiment is rotatably supported by the second rivet 140E provided outside the finger hooking ring 250 in the tab 200 and on a right side in Fig. 15 .
  • a position where the sliding member 300E is rotatably supported is not limited to the above described example. The position may be arranged inside the finger hooking ring 250 or arranged outside the finger hooking ring 250 and on an upper side in Fig. 15 . Further, a direction in which the sliding member 300E is caused to slide (rotate) from its initial position is not limited to the above described example.
  • Fig. 16 shows a third embodiment.
  • Fig. 16 is a plan view of a can lid according to the third embodiment.
  • Fig. 16 shows main structures of the lid body and the tab only in a simplified manner.
  • Fig. 16 shows a state where a sliding member 300F is at its initial position.
  • the can lid 10 has a lid body 100, a tab 200 fixed to the lid body 100, and a sliding member 300F attached to the lid body 100.
  • the sliding member 300F according to the third embodiment is rotatably supported by a first rivet 120 for fixing the tab 200.
  • the first rivet 120 has a function of fixing the tab 200 as well as rotatably supporting the sliding member 300F.
  • the sliding member 300F does not penetrate into the gap between the lid body 100 and the tab 200 at an initial position in a similar manner to the first embodiment.
  • the sliding member 300F has an approximately fan-shaped plate-like member, an insertion section 310F formed on the leading end side in a rotation (slide) direction, and a projection 330F as an operating section formed on the rear end side.
  • the sliding member 300F of the can lid 10 according to the third embodiment is caused to rotate (slide) in a direction indicated by an arrow R in Fig. 16
  • the insertion section 310F is caused to come into contact with the protruding section 130F after penetrating into the gap between the lid body 100 and the tab 200 and subsequently run on and be in sliding contact with the protruding section 130F.
  • the rear end 230 of the tab 200 moves in a direction in which the rear end 230 separates from the surface of the lid body 100 using the first rivet 120 as a fulcrum. This forms a gap between the rear end 230 and the lid body 100 in a similar manner to the first embodiment.
  • a rotation-stopping protrusion of the third embodiment that restricts movement of the tab 200 in the rotation direction can be used as the protruding section 130F.
  • a protruding section may be provided on the tab 200 or the sliding member 300F instead of on the lid body 100 in the third embodiment as in the first embodiment.
  • the insertion section 310F may be configured to have different heights in a thickness direction of the insertion section 310F between a leading end side and a rear end side in a slide direction as in the first modification shown in Fig. 10 .
  • An operating section may not be limited to the projection 330F but various configurations may be adopted for the operating section as in the above described third to fifth modifications.
  • Fig. 17 shows a fourth embodiment.
  • Fig. 17 is a plan view of a can lid according to the fourth embodiment. It should be noted that a sectional view of a part near a sliding member is also shown to the left of the plan view.
  • Fig. 17 shows main structures of the lid body and the tab only in a simplified manner.
  • Fig. 17 shows a state where a sliding member 300G is at its initial position.
  • the can lid 10 according to the fourth embodiment has a lid body 100, a tab 200 fixed to the lid body 100 and a sliding member 300G.
  • the sliding member 300G according to the fourth embodiment has a rectangular plate-like member and bent sections 371G and 372G provided at both ends in a direction perpendicular to a slide direction (a direction indicated by an arrow S in Fig. 17 ).
  • a curling process is applied to linear sections 251 and 252 on both sides across the finger hooking ring 250.
  • the sliding member 300G is attached so that the bent sections 371G and 372G described above are inserted into the linear sections 251 and 252 to which the curling process is performed in the tab 200.
  • the fourth embodiment does not have a rivet for rotatably supporting the sliding member contrary to the respective embodiments described above.
  • the sliding member 300G has a projection 330G at a center thereof.
  • the sliding member 300G is arranged inside the gap between the lid body 100 and the tab 200.
  • the sliding member 300G is arranged so that the projection 330G protrudes through the finger hooking ring 250 from a rear surface side (the lid body 100 side) toward a front surface side of the tab 200. Portions near both sides of the projection 330G respectively function as an insertion section 310G.
  • the pair of insertion sections 310G are caused to come into contact with the pair of protruding sections 130G provided on the lid body 100 and subsequently run on and be in sliding contact with the protruding sections 130G.
  • the rear end 230 of the tab 200 moves in a direction in which the rear end 230 separates from the surface of the lid body 100 using the first rivet 120 as a fulcrum. This forms a gap between the rear end 230 and the lid body 100 in a similar manner to the first embodiment.
  • Both ends of the projection 330G in the sliding member 300G of the fourth embodiment is guided by both side surfaces of the finger hooking ring 250 provided in the tab 200, thereby the slide direction of the sliding member 300G is determined.
  • a rotation-stopping protrusion of the fourth embodiment that restricts movement of the tab 200 in the rotation direction can be used as the protruding section 130G.
  • a protruding section may be provided on the tab 200 instead of on the lid body 100 in the fourth embodiment as in the first embodiment.
  • the insertion section 310G may be configured to have different heights in a thickness direction of the insertion section 310G between a leading end side and a rear end side in a slide direction as in the first modification shown in Fig. 10 .
  • the sliding member 300G in the fourth embodiment is configured to slide in a vertical direction in Fig. 17
  • the sliding member 300G may be configured to slide in a horizontal direction in Fig. 17 .
  • a protruding section that is in sliding contact with the sliding member 300G while the sliding member 300G is caused to slide from an initial position may be provided on the lid body 100 or the tab 200.
  • the sliding member 300G in the fourth embodiment is caused to slide downward in Fig. 17 from its initial position
  • the sliding member 300G may be caused to slide upward in Fig. 17 from its initial position.
  • a protruding section may be provided on an upper side in Fig. 17 with respect to the sliding member 300G.
  • Fig. 18 shows a fifth embodiment.
  • Fig. 18 is a plan view of a can lid according to the fifth embodiment.
  • Fig. 18 shows main structures of the lid body and the tab only in a simplified manner.
  • Fig. 18 shows a state where a sliding member 300H is at its initial position.
  • the can lid 10 has a lid body 100, a tab 200 fixed to the lid body 100 and a sliding member 300H.
  • the sliding member 300H according to the fifth embodiment has a pair of projections 330H as an operating section. Each of the pair of projections 330H is positioned near each of both sides of the tab 200.
  • the lid body 100 has a pair of guiding projections 150 for determining a slide direction of the sliding member 300H.
  • the fifth embodiment does not have a rivet for rotatably supporting the sliding member as in the fourth embodiment.
  • the sliding member 300H has an approximately rectangular plate-like member and each of the projections 330H described above is provided near each of both ends of the sliding member 300H.
  • the sliding member 300H is arranged inside the gap between the lid body 100 and the tab 200.
  • the sliding member 300H is arranged so that both ends of the sliding member 300H are sandwiched between the pair of guiding projections 150.
  • a portion of the sliding member 300H sandwiched between the lid body 100 and the tab 200 in an initial state functions as an insertion section 310H. Therefore, the insertion sections 310H are provided in pairs.
  • a rotation-stopping protrusion of the fifth embodiment that restricts movement of the tab 200 in the rotation direction can be used as the protruding section 130H.
  • a protruding section may be provided on the tab 200 instead of on the lid body 100 in the fifth embodiment as in the first embodiment.
  • the insertion section 310H may be configured to have different heights in a thickness direction of the insertion section 310H between a leading end side and a rear end side in a slide direction as in the first modification shown in Fig. 10 .
  • An operating section may not be limited to the projection 330H but various configurations may be adopted for the operating section as in the above described third to fifth modifications.
  • the sliding member 300H of the fifth embodiment is arranged inside the gap between the lid body 100 and the tab 200 in an initial state.
  • the sliding member 300H may be configured to be arranged outside the tab 200 (an upper side in Fig. 18 ) in the initial state and to enter the gap between the lid body 100 and the tab 200 while the sliding member 300H is caused to slide.
  • Fig. 19 shows a sixth embodiment.
  • Fig. 19 is a plan view of a can lid according to the sixth embodiment. It should be noted that a sectional view of a part near a sliding member and a side view are also shown to the right of the plan view.
  • Fig. 19 shows main structures of the lid body and the tab only in a simplified manner.
  • Fig. 19 shows a state where a sliding member 300I is at its initial position.
  • the can lid 10 has a lid body 100, a tab 200 fixed to the lid body 100, and a sliding member 300I.
  • the sixth embodiment does not have a rivet for rotatably supporting the sliding member as in the fourth and fifth embodiments.
  • the sliding member 300I according to the sixth embodiment is attached to the tab 200 in a circumscribing manner around one linear section 251 of linear sections on both sides across the finger hooking ring 250.
  • the sliding member 300I has a rectangular plate-like member and is attached to the linear section 251 by applying a bending process to the plate-like member. While the bending process of the sixth embodiment is performed so that leading ends of both ends of the plate-like member come into contact with each other, a gap may be formed between the leading ends. While the bending process of the sixth embodiment is applied to the sliding member 3001 from a front surface side toward a rear surface side (the lid body 100 side) of the tab 200, the bending process may be applied from the rear surface side toward the front surface side. According to the configuration described above, the sliding member 300I can be caused to slide along the linear section 251.
  • a portion in the sliding member 300I of the sixth embodiment which is sandwiched between the lid body 100 and the tab 200 functions as an insertion section 3101.
  • the sliding member 3001 of the can lid 10 according to the sixth embodiment configured as described above is caused to slide in a direction indicated by an arrow S in Fig. 19 , the insertion section 3101 is caused to come into contact with the protruding section 1301 provided on the lid body 100 and subsequently run on and be in sliding contact with the protruding section 1301.
  • the rear end 230 of the tab 200 moves in a direction in which the rear end 230 separates from the surface of the lid body 100 using the first rivet 120 as a fulcrum. This forms a gap between the rear end 230 and the lid body 100 in a similar manner to the first embodiment.
  • a rotation-stopping protrusion of the sixth embodiment that restricts movement of the tab 200 in the rotation direction can be used as the protruding section 130I. Since a range of motion of the sliding member 300I of the sixth embodiment is narrow, a plate-like section 380I which extends toward the protruding section 1301 as shown in the bottom-right side in Fig. 19 may be provided to ensure that the sliding member 3001 runs on the protruding section 1301.
  • the sliding member 3001 of the sixth embodiment is attached to the linear section 251 which extends linearly.
  • some tabs have a finger hooking ring with both sides thereof extending in curved lines. Even in this case, as long as a width of the portion extending in a curved line is constant, a similar sliding member to that of the sixth embodiment may be caused to slide and move, hence a similar configuration to the sixth embodiment may be adopted.
  • Fig. 20 shows a seventh embodiment.
  • Fig. 20 is a plan view of a can lid according to the seventh embodiment. It should be noted that a sectional view of a part near a sliding member is also shown to the right of the plan view.
  • Fig. 20 shows main structures of the lid body and the tab only in a simplified manner.
  • Fig. 20 shows a state where a sliding member 300J is at its initial position.
  • the can lid 10 has a lid body 100, a tab 200 fixed to the lid body 100, and a sliding member 300J.
  • the seventh embodiment does not have a rivet for rotatably supporting the sliding member as in the fourth to sixth embodiments.
  • the sliding member 300J according to the seventh embodiment is attached to the tab 200 in a circumscribing manner around both linear sections 251 and 252 on both sides of the tab 200.
  • the sliding member 300J has a rectangular plate-like member and is attached to the tab 200 by applying a bending process to the plate-like member. While the bending process of the seventh embodiment is performed so that a gap is formed between leading ends of both ends of the plate-like member, the leading ends may come into contact with each other. While the bending process of the seventh embodiment is applied to the sliding member 300J from a front surface side toward a rear surface side (the lid body 100 side) of the tab 200, the bending process may be applied from the rear surface side toward the front surface side. According to the configuration described above, the sliding member 300J can be caused to slide along the tab 200.
  • a portion in the sliding member 300J of the seventh embodiment which is sandwiched between the lid body 100 and the tab 200 functions as an insertion section 310J.
  • the sliding member 300J of the can lid 10 according to the seventh embodiment configured as described above is caused to slide in a direction indicated by an arrow S in Fig. 20
  • the insertion section 310J is caused to come into contact with the protruding section 130J provided on the lid body 100 and subsequently run on and slide against the protruding section 130J.
  • the rear end 230 of the tab 200 moves in a direction in which the rear end 230 separates from the surface of the lid body 100 using the first rivet 120 as a fulcrum. This form a gap between the rear end 230 and the lid body 100 in a similar manner to the first embodiment.
  • the seventh embodiment can achieve similar effects to the first embodiment.
  • a rotation-stopping protrusion of the seventh embodiment that restricts movement of the tab 200 in the rotation direction can be used as the protruding section 130J.
  • a plate-like section which extends toward the protruding section 130J may be provided to ensure that the sliding member 300J runs on the protruding section 130J in the seventh embodiment as in the sixth embodiment.
  • Fig. 21 shows an eighth embodiment.
  • Fig. 21 is a plan view of a can lid according to the eighth embodiment. It should be noted that a side view (a view from a left side in the plan view) of a part near a sliding member is also shown below the plan view.
  • Fig. 21 shows main structures of the lid body and the tab only in a simplified manner.
  • Fig. 21 shows a state where a sliding member 300K is at its initial position.
  • the can lid 10 has a lid body 100, a tab 200 fixed to the lid body 100 and a sliding member 300K.
  • the sliding member 300K according to the eighth embodiment is rotatably provided with respect to the tab 200. More specifically, the sliding member 300K according to the eighth embodiment has a shaft 370K to be inserted to a through-hole 260 provided in the tab 200, an insertion section 310K fixed to the side of one end of the shaft 370K, and a knob 380K fixed to the side of another end of the shaft 370K. According to this configuration, the insertion section 310K can be caused to rotate (slide) by rotating the knob 380K in a direction indicated by an arrow R.
  • the insertion section 310K of the can lid 10 When the insertion section 310K of the can lid 10 according to the eighth embodiment configured as described above is caused to slide by rotating the knob 380K, the insertion section 310K is caused to come into contact with the protruding section 130K provided on the lid body 100 and subsequently run on and be in sliding contact with the protruding section 130K.
  • the rear end 230 of the tab 200 moves in a direction in which the rear end 230 separates from the surface of the lid body 100 using the first rivet 120 as a fulcrum. This forms a gap between the rear end 230 and the lid body 100 in a similar manner to the first embodiment.
  • a protruding section may be provided on the tab 200 instead of on the lid body 100 in the eighth embodiment as in the first embodiment.
  • the insertion section 310K may be configured to have different heights in a thickness direction of the insertion section 310K between a leading end side and a rear end side in a slide direction as in the first modification shown in Fig. 10 .
  • the above described respective embodiments are examples which relate to a partially-open type can lid provided in a beverage can.
  • the can lid according to the present invention may be applied to a full aperture-type can lid provided in food cans and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Sheet Holders (AREA)
EP17843351.2A 2016-08-22 2017-08-02 Dosendeckel Withdrawn EP3502001A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016161975A JP6972520B2 (ja) 2016-08-22 2016-08-22 缶蓋
PCT/JP2017/028073 WO2018037865A1 (ja) 2016-08-22 2017-08-02 缶蓋

Publications (2)

Publication Number Publication Date
EP3502001A1 true EP3502001A1 (de) 2019-06-26
EP3502001A4 EP3502001A4 (de) 2020-04-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17843351.2A Withdrawn EP3502001A4 (de) 2016-08-22 2017-08-02 Dosendeckel

Country Status (6)

Country Link
US (1) US20190177034A1 (de)
EP (1) EP3502001A4 (de)
JP (1) JP6972520B2 (de)
KR (1) KR102164757B1 (de)
CN (1) CN109789946A (de)
WO (1) WO2018037865A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021162410A1 (ko) * 2020-02-12 2021-08-19 서경배 식음료 용기의 덮개
KR102195102B1 (ko) * 2020-02-12 2020-12-24 서경배 식음료 용기의 덮개

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JPH0540133A (ja) 1991-08-06 1993-02-19 Fujitsu Ltd 信号波形測定装置
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Also Published As

Publication number Publication date
KR102164757B1 (ko) 2020-10-13
JP6972520B2 (ja) 2021-11-24
CN109789946A (zh) 2019-05-21
WO2018037865A1 (ja) 2018-03-01
EP3502001A4 (de) 2020-04-29
JP2018030590A (ja) 2018-03-01
US20190177034A1 (en) 2019-06-13
KR20190040042A (ko) 2019-04-16

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