A can end having a metallic end surface in which an opening is formed that is bounded by a closed margin of the end surface and that can be closed by a closure piece is provided. The can end has a sealing frame and a closure unit that supports the closure piece and that is pivotably attached to the metallic end surface. The sealing frame and the closure unit can be releasably connected in a fluidtight manner to one another via a sealing rib and an associated reception groove. Respective latching lugs are arranged at the one sealing rib and at the reception groove. In a starting position of the closure unit, the closure piece is flush with the surrounding end surface or is offset in parallel therefrom by less than the thickness of the metallic end surface.
An apparatus for manufacturing a can end, which has a can end part composed of sheet metal and at least one plastic part joined to the can end part, comprises two pressing tools that can be brought together and that form a press for pressing together the can end part and the plastic part; and an inductor for supplying an alternating electromagnetic field into the region of the press to inductively heat the can end part and thereby to join the can end part to the pressed-on plastic part. A fluid passage is formed in at least one of the pressing tools, with a temperature control apparatus being provided that is configured to convey a temperature control fluid through the fluid passage in order to stabilize the temperature of the press.
A can end comprises a metallic end surface in which an opening is formed that is closed by a closure piece of the metallic end surface, wherein the closure piece is separated from the surrounding end surface by a microgap extending at least sectionally along the margin of the end surface. A first end region of the closure piece is connected to the surrounding end surface via a pivot bearing. The can end further comprises a tear-open member that engages at a second end region of the closure piece, said second region being opposite the pivot bearing. The microgap is interrupted between the first end region and the second end region by at least one holding web via which the closure piece and the surrounding end surface are connected to one another in a bonded manner.
B65D 17/28 - 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
The invention relates to a can lid (11), comprising a metal lid surface (13) having a first flat face (16) and a second flat face (17) facing away from the first flat face, wherein an opening is formed in the lid surface which is delimited by a closed edge of the lid surface and is closed by a closure piece (19) that is separated from the surrounding lid surface by a micro-gap (21) extending along the edge of the lid surface, wherein a first end region (61) of the closure piece is connected to the surrounding lid surface via a pivot bearing (30), and having a ring-pull element (37) which is located on the first flat face and engages with the second end region (62) of the closure piece, which is opposite the pivot bearing, so that pulling on the ring-pull element allows the closure piece to pivot, wherein the micro-gap is interrupted between the first end region and the second end region by at least one holding piece (65). A pressure-relief flute (77, 78, 79) which extends at least in part around the opening is stamped into the lid surface, and/or an elongate elevation (36) is stamped into the closure piece (19) and/or a closure relief bead (38) is stamped into the closure piece (19), which extends along the edge of the opening at least past the at least one holding piece (65).
B65D 17/28 - 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
B65D 79/00 - Kinds or details of packages, not otherwise provided for
A can lid (11) comprises a metal lid surface (13) which has a first flat side (16) and a second flat side (17) which faces away from the first flat side and in which an opening is formed; a sealing frame (27) made of plastics material, which surrounds the opening and is fixedly connected to the first flat side; and a closure unit (29) made of plastics material, which is connected to the first flat side or to the sealing frame so as to be pivotable about a pivot axis (30) and which is designed such that, when the closure unit is in a closed position pivoted onto the sealing frame, the closure unit closes the opening directly and/or by means of a closure piece of the metal lid surface, the closure piece being carried by the closure unit, and, when the closure unit is in an open position pivoted away from the sealing frame, the closure unit opens the opening. The can lid comprises an arrangement consisting of at least three separate support protuberances (31, 34, 35, 39) which are stamped into the metal lid surface such that they form respective protrusions which have the same height relative to the second flat side.
B65D 17/28 - 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
The invention relates to a can lid (1) comprising a metal lid surface (12) which has a geometrical center (15) and an outer edge (17). The metal lid surface is equipped with an opening region (19), a seal frame (22) which is connected to the metal lid surface and surrounds the opening region, and a closing unit (23) which is pivotally attached to the metal lid surface or to the seal frame about a pivot axis (25) and which is designed to close the opening region in a closed position, in which the closing unit is pivoted against the seal frame, and to release the opening region for a drinking process in an open position, in which the closing unit is pivoted away from the seal frame. The opening region has a first edge point (39) which lies closer to the outer edge of the metal lid surface than the second edge point (49), wherein a drinking movement plane (40) which extends perpendicularly to the metal lid surface runs through the geometrical center of the metal lid surface and through the first edge point, and the pivot plane (45) which runs perpendicularly to the pivot axis extends perpendicularly to the metal lid surface. The pivot plane forms an angle which differs from 0° relative to the drinking movement plane.
B65D 17/50 - Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
B65D 39/00 - Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
B65D 47/08 - Closures with discharging devices other than pumps with pouring spouts or tubesClosures with discharging devices other than pumps with discharge nozzles or passages having articulated or hinged closures
The invention relates to a can lid (11) having a metal lid surface (13), in which an opening is formed which is delimited by a closed edge of the lid surface and can be closed by a closure piece (19), and a sealing frame (21) which is connected to the lid surface and surrounds the opening, a closure unit (25) supporting the closure piece (19) and which is pivotably attached to the metal lid surface, wherein the sealing frame and the closure unit can be releasably connected to one another in a fluid-tight manner via a sealing rib (41) and an associated receiving groove (43), wherein respective latching lugs (45, 46) surrounding the opening are arranged on one sealing rib and on the receiving groove, which engage behind one another relative to the normal direction (47) extending transverse to the plane (33) defined by the opening, and wherein, in a starting position of the closure unit, the closure piece is flush with the surrounding lid surface or is offset parallel to the surrounding cover surface by less than the thickness of the metallic lid surface. The latching lugs are spaced apart from one another in the normal direction (47) by a predetermined height offset (49) when the closing unit is in the starting position.
The invention relates to a can lid (11) comprising: a metal lid surface (13) in which an opening region is formed; a sealing frame (21); a closure unit (25) which is pivotally attached to the metal lid surface via a first pivot bearing (27) and is designed to close the opening region directly or by means of a closure piece (19) of the metal lid surface carried by the closure unit, wherein the sealing frame (21) and the closure unit (25) sealingly cooperate via at least one sealing rib (51) and an associated receiving groove (53); and an annular pull tab (29) which is connected to the closure unit (25) via a second pivot bearing (35), wherein the annular pull tab, in a home position, is pivoted towards the closure unit and projects obliquely or transversely from the closure unit in a pull position. In the home position, the annular pull tab (29) radially engages around the closure unit (25) and exerts a radially inwardly directed clamping effect onto the closure unit, so that the sealing rib (51) is pressed against a wall of the receiving groove (53).
A can lid comprises a metallic lid surface in which an opening is formed which is bounded by a closed margin of the lid surface and which is closed by a closure piece. The closure piece is separated from the surrounding lid surface by a microgap extending at least sectionally along the margin of the lid surface. A margin of the closure piece and the margin of the surrounding lid surface adjoin one another at the microgap. The closure piece can be moved out of the plane defined by the opening to release the opening. The can lid further comprises a layer composed of a plastic material applied to a flat side of the metallic lid surface in a manner covering the microgap. The margin of the closure piece and the margin of the surrounding lid surface are offset from one another transversely to the plane defined by the opening.
B65D 17/28 - 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
The invention relates to a device for producing a can lid (19), which comprises a can lid part (64) made of sheet metal and at least one plastic part (18, 67) joined to the can lid part (64), the device comprises two press tools (15, 16), which can be brought together and form a press (20) for pressing the can lid part (64) and the plastic part (18, 67) against one another, and an inductor (21) for supplying an alternating electromagnetic field in the region of the press (20) in order to inductively heat the can lid part (64) and thus join it to the pressed-on plastic part (18, 67). A fluid channel (29) is formed in at least one of the press tools (15, 16), wherein a temperature-control device (25) is provided which is designed to convey a temperature-control fluid through the fluid channel (29) in order to stabilise the temperature of the press (20).
A can lid comprises a metallic lid face in which an opening is formed, which opening is delimited by a closed edge of the lid face and is closed by a closure piece of the metallic lid face, wherein the closure piece is separated from the surrounding lid face by a micro-gap which extends at least in some sections around the edge of the lid face. A first end region of the closure piece is connected to the surrounding lid face via a pivot bearing. The can lid also comprises a tear-open element which acts on a second end region, opposite the pivot bearing, of the closure piece, so that it is possible to pivot the closure piece out of the plane defined by the opening by pulling on the tear-open element. The micro-gap is interrupted between the first end region and the second end region by at least one holding piece by which the closure piece and the surrounding lid face are integrally bonded to one another.
B65D 17/28 - 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
The invention relates to a can lid (11), in particular for beverage cans, comprising: a metal top face (13), in which there is formed an opening which is delimited by a closed edge of the top face (13) and which is closed by a closure piece (19) of the metal top face (13), the closure piece (19) being separated from the surrounding top face (13) by a micro gap (21) extending at least in some sections along the edge (27) of the top face (13), an edge (25) of the closure piece (19) and the edge (27) of the surrounding top face (23) being adjacent to one another at the micro gap (21), and the closure piece (19) being movable out from the plane (37) defined by the opening to release the opening; and comprising a coating (33) formed from a plastics material, which is applied to a flat side (30) of the metal top face (13) in a manner covering the micro gap (21), characterised in that the edge (25) of the closure piece (19) and the edge (27) of the surrounding top face (23) are offset from one another transversely to the plane (27) defined by the opening.
B65D 17/50 - Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
B65D 17/28 - 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
A metallic can end having a reclosable opening has a microgap or a weakening line peripherally around the opening, a sealing frame composed of plastic material surrounding the opening region, a closure unit composed of plastic that is disposed within the microgap or weakening line and that is pivotably attached to the fixed end surface via a pivot bearing. The sealing frame and the closure unit cooperate in a sealing manner. The metallic end region disposed within the peripheral microgap or the weakening line is received and held in the opening region of the end. The sealing frame is bonded to the fixed end surface and the closure unit is bonded to the upwardly pivotable metallic end region. Except for a possibly provided lacquer layer, the inner end side is at least largely free of lamination and the like.
B65D 17/28 - 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
A metallic can end having a reclosable opening, a microgap or weakening line provided in the metallic end surface and peripheral about the opening, a sealing frame connected to the end surface and surrounding the opening region, a closure unit connected to the upwardly pivotable metal end region disposed within the microgap or weakening line, that is pivotably attached to the end surface via a pivot bearing. The sealing frame and the closure unit are composed of plastic material and cooperate in a sealing manner with one another via sealing and latching ribs that form sealing edges with associated reception grooves. The metallic can region disposed within the peripheral microgap or weakening line is received and held in the opening region of the end. The sealing edges are configured such that the radially innermost sealing edge still seals when the radially outer sealing edges have just been released.
B65D 17/28 - 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
A method of manufacturing a can lid composed of a composite material comprising at least one sheet metal part, in particular an aluminum part or a tin plate part, and at least one plastic part, in particular composed of polypropylene or polyethylene terephthalate, wherein the plastic material and the sheet metal part are joined together by pressing together and by inductive heating to effect a stable connection with an effort and a manufacturing time that are as small as possible.
The invention relates to a metallic can lid having a reclosable opening for e.g. beverage cans, comprising: a line of weakness provided in the metallic lid surface and surrounding the opening; a sealing frame (5) made of plastic material connected to the fixed lid surface (2) and surrounding the opening region; a closure unit (6) made of plastic material which is connected to the upwardly pivotable metallic lid region (3) located within the line of weakness, is pivotably mounted on the fixed lid surface (2) via a pivot bearing (7) and which is preferably provided with a pull-tab element (8) that is connected to the closure unit (6) so as to be pivotable upwards diametrically opposite the pivot bearing (7), wherein the sealing frame (5) and the closure unit (6) sealingly cooperate, preferably via sealing and engagement ribs (12, 13, 14) and associated receiving grooves (15, 16, 17), and the metallic lid region (3) located within the peripheral line of weakness is received and held in the opening region of the lid (1), wherein the sealing frame (5) is integrally joined to the fixed lid surface (2) and the closure unit (6) is integrally joined to the upwardly pivotable metallic lid region (3), and wherein the interior face of the lid is free of laminations and the like.
B65D 17/28 - 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
The invention relates to a metallic can lid having a reclosable opening, e.g. for beverage cans, comprising: a microgap or line of weakness provided in the metallic lid surface and surrounding the opening; a sealing frame made of plastic material connected to the fixed lid surface and surrounding the opening region; and a closure unit made of plastic material which is connected to the upwardly pivotable metallic lid region located within the microgap or the line of weakness and which is pivotably mounted on the fixed lid surface via a pivot bearing and which is preferably provided with a pull-tab element that is connected to the closure unit so as to be pivotable upwards diametrically opposite the pivot bearing, wherein the sealing frame and the closure unit sealingly cooperate, preferably via sealing and engagement ribs and associated receiving grooves, and the metallic lid region located within the peripheral microgap or the line of weakness is received and held in the opening region of the lid, wherein the sealing frame is integrally joined to the fixed lid surface and the closure unit is integrally joined to the upwardly pivotable metallic lid region, wherein the sealing edges are designed such that, when the can lid is opened, the radially innermost sealing edge remains sealed when the radially outer sealing edges have just been released.
B65D 17/28 - 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
18.
METHOD FOR PRODUCING A CAN LID FROM A COMPOSITE MATERIAL
The invention relates to a method for producing a can lid from a composite material, comprising at least one sheet metal part, in particular an aluminum or tin plate part, and at least one plastic part, in particular made of polypropylene or polyethylene terephthalate, wherein the plastic part and the sheet metal part are joined together by pressing together and induction heating in order to establish a stable connection with as little effort as possible and a short production time.
B29C 65/36 - Joining of preformed partsApparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
B29C 65/46 - Joining a heated non-plastics element to a plastics element heated by induction
B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
B29C 33/06 - Moulds or coresDetails thereof or accessories therefor with incorporated heating or cooling means using radiation
B29C 65/78 - Means for handling the parts to be joined, e.g. for making containers or hollow articles
B29C 65/00 - Joining of preformed partsApparatus therefor
B65D 17/28 - 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
B65D 17/347 - Arrangement or construction of pull or lift tabs characterised by the connection between the tab and a detachable member or portion of the container
B29L 31/56 - Stoppers or lids for bottles, jars, or the like
A metallic can end is disclosed. The can end has a reclosable opening, having a microgap or a weakening line peripherally around the opening, a sealing frame composed of plastic material connected to a fixed end surface, and a closure unit composed of plastic that is disposed within the surrounding microgap or the weakening line, connected to an upwardly pivotable metallic end region. The sealing frame and the closure unit cooperate in a sealing manner. The sealing frame is bonded to the fixed end surface and the closure unit is bonded to the upwardly pivotable metallic end region. An inner end side is largely free of lamination wherein the inner end side is provided with a sealing film that covers the microgap or the weakening line, and leaves the region of the inner end side disposed outside of the microgap or weakening line free of the sealing film.
B65D 17/28 - 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
The invention relates to a can lid (11), in particular for beverage cans, comprising: a metal top face (13), in which there is formed an opening which is delimited by a closed edge of the top face (13) and which is closed by a closure piece (19) of the metal top face (13), the closure piece (19) being separated from the surrounding top face (13) by a micro gap (21) extending at least in some sections along the edge (27) of the top face (13), an edge (25) of the closure piece (19) and the edge (27) of the surrounding top face (23) being adjacent to one another at the micro gap (21), and the closure piece (19) being movable out from the plane (37) defined by the opening to release the opening; and comprising a coating (33) formed from a plastics material, which is applied to a flat side (30) of the metal top face (13) in a manner covering the micro gap (21), characterised in that the edge (25) of the closure piece (19) and the edge (27) of the surrounding top face (23) are offset from one another transversely to the plane (27) defined by the opening.
B65D 17/28 - 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
B65D 17/50 - Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
The invention relates to a can end having a metallic end surface in which an opening is formed that is bounded by a closed margin of the end surface and that can be closed by a closure piece, having a sealing frame that is connected to the end surface and that surrounds the opening, having a closure unit that supports the closure piece and that is pivotably attached to the metallic end surface, wherein the sealing frame and the closure unit can be releasably connected in a fluidtight manner to one another via a sealing rib and an associated reception groove, wherein respective latching lugs are arranged at the one sealing rib and at the reception groove, the respective latching lugs running around the opening and engaging behind one another with respect to a vertical direction facing transversely to the plane defined by the opening, and wherein, in a starting position of the closure unit, the closure piece is flush with the surrounding end surface or is offset in parallel therefrom by less than the thickness of the metallic end surface. The latching lugs are spaced apart from one another in the vertical direction by a predefined vertical offset when the closure unit is in the starting position.
B65D 17/28 - 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
B65D 17/34 - Arrangement or construction of pull or lift tabs
B65D 43/04 - Removable lids or covers having a part, or parts, engaging within the mouth of the container and retained by friction or gravity
A can lid comprises a metallic lid face in which an opening is formed, which opening is delimited by a closed edge of the lid face and is closed by a closure piece of the metallic lid face, wherein the closure piece is separated from the surrounding lid face by a micro-gap which extends at least in some sections around the edge of the lid face. A first end region of the closure piece is connected to the surrounding lid face via a pivot bearing. The can lid also comprises a tear-open element which acts on a second end region, opposite the pivot bearing, of the closure piece, so that it is possible to pivot the closure piece out of the plane defined by the opening by pulling on the tear-open element. The micro-gap is interrupted between the first end region and the second end region by at least one holding piece by which the closure piece and the surrounding lid face are integrally bonded to one another.
B65D 17/28 - 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
A can end comprises a metallic end surface having a first flat side and a second flat side facing away from the first flat side, wherein an opening is formed in the end surface, which opening is bounded by a closed margin of the end surface and closed by a closure piece that is separated from the surrounding end surface by a microgap extending along the margin of the end surface, wherein a first end region of the closure piece is connected to the surrounding end surface via a pivot bearing; and a tear-open member that is arranged at the first flat side and that engages at a second end region of the closure piece, said second end region being opposite the pivot bearing, so that a pivoting of the closure piece is made possible by pulling at the tear-open member, wherein the microgap is interrupted between the first end region and the second end region by at least one holding web. A pressure relief wave is embossed into the end surface and extends at least partly around the opening.
An apparatus for manufacturing a can end, which has a can end part composed of sheet metal and at least one plastic part joined to the can end part, comprises two pressing tools that can be brought together and that form a press for pressing together the can end part and the plastic part; and an inductor for supplying an alternating electromagnetic field into the region of the press to inductively heat the can end part and thereby to join the can end part to the pressed-on plastic part. A fluid passage is formed in at least one of the pressing tools, with a temperature control apparatus being provided that is configured to convey a temperature control fluid through the fluid passage in order to stabilize the temperature of the press.
The invention relates to a method for producing a can lid from a composite material, comprising at least one sheet metal part, in particular an aluminum or tin plate part, and at least one plastic part, in particular made of polypropylene or polyethylene terephthalate, wherein the plastic part and the sheet metal part are joined together by pressing together and induction heating in order to establish a stable connection with as little effort as possible and a short production time.
B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
B29C 65/00 - Joining of preformed partsApparatus therefor
B29C 65/36 - Joining of preformed partsApparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
B29C 65/46 - Joining a heated non-plastics element to a plastics element heated by induction
B29C 65/78 - Means for handling the parts to be joined, e.g. for making containers or hollow articles
B65D 17/28 - 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
B65D 17/347 - Arrangement or construction of pull or lift tabs characterised by the connection between the tab and a detachable member or portion of the container
B65D 17/50 - Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
The invention relates to a metallic can lid having a reclosable opening, e.g. for beverage cans, comprising: a microgap or line of weakness provided in the metallic lid surface and surrounding the opening; a sealing frame made of plastic material connected to the fixed lid surface and surrounding the opening region; and a closure unit made of plastic material which is connected to the upwardly pivotable metallic lid region located within the microgap or the line of weakness and which is pivotably mounted on the fixed lid surface via a pivot bearing and which is preferably provided with a pull-tab element that is connected to the closure unit so as to be pivotable upwards diametrically opposite the pivot bearing, wherein the sealing frame and the closure unit sealingly cooperate, preferably via sealing and engagement ribs and associated receiving grooves, and the metallic lid region located within the peripheral microgap or the line of weakness is received and held in the opening region of the lid, wherein the sealing frame is integrally joined to the fixed lid surface and the closure unit is integrally joined to the upwardly pivotable metallic lid region, wherein the sealing edges are designed such that, when the can lid is opened, the radially innermost sealing edge remains sealed when the radially outer sealing edges have just been released.
B65D 17/28 - 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
B65D 51/16 - Closures not otherwise provided for with means for venting air or gas
A metallic can end having a reclosable opening, in particular for beverage cans and for storing foodstuffs and other liquid, pasty, powder, or solid products, having a microgap or weakening line provided in the metallic end surface and peripheral about the opening, having a sealing frame composed of plastic material connected to the fixed end surface and surrounding the opening region, having a closure unit composed of plastic material that is connected to the upwardly pivotable metal end region disposed within the microgap or weakening line, that is pivotably attached to the fixed end surface via a pivot bearing, and that is preferably provided with a tear-open member that is upwardly pivotably connected to the closure unit diametrically opposite the pivot bearing, wherein the sealing frame and the closure unit cooperate in a sealing manner with one another, preferably via sealing and latching ribs and associated reception grooves, and the metallic can region disposed within the peripheral microgap or weakening line is received and held in the opening region of the end, wherein the sealing frame is bonded to the fixed end surface and the closure unit is bonded to the upwardly pivotable metallic end region, in particular by a thermal process, using an adhesive agent that is preferably suitable for foodstuffs and/or has lubricating properties, and wherein the sealing edges are configured such that the radially innermost sealing edge still seals on the opening of the can end when the radially outer sealing edges have
B65D 17/28 - 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
B65D 51/16 - Closures not otherwise provided for with means for venting air or gas
A metallic can end having a reclosable opening, in particular for beverage cans and for storing foodstuffs and other liquid, pasty, powder, or solid products, having a microgap or weakening line provided in the metallic end surface and peripheral about the opening, having a sealing frame composed of plastic material connected to the fixed end surface and surrounding the opening region, having a closure unit composed of plastic material that is connected to the upwardly pivotable metal end region disposed within the microgap or weakening line, that is pivotably attached to the fixed end surface via a pivot bearing, and that is preferably provided with a tear-open member that is upwardly pivotably connected to the closure unit diametrically opposite the pivot bearing, wherein the sealing frame and the closure unit cooperate in a sealing manner with one another, preferably via sealing and latching ribs and associated reception grooves, and the metallic can region disposed within the peripheral microgap or weakening line is received and held in the opening region of the end, wherein the sealing frame is bonded to the fixed end surface and the closure unit is bonded to the upwardly pivotable metallic end region, in particular by a thermal process, using an adhesive agent that is preferably suitable for foodstuffs and/or has lubricating properties, and wherein the sealing edges are configured such that the radially innermost sealing edge still seals on the opening of the can end when the radially outer sealing edges have
B65D 17/28 - 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
B65D 51/16 - Closures not otherwise provided for with means for venting air or gas
patents
