Classifications

• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
  • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
  • G09F3/02—Forms or constructions
  • G09F3/03—Forms or constructions of security seals
  • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
  • G09F3/037—Forms or constructions of security seals characterised by the type of seal used having tie-wrap sealing means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
  • B29C45/17—Component parts, details or accessories; Auxiliary operations
  • B29C45/26—Moulds
  • B29C45/2628—Moulds with mould parts forming holes in or through the moulded article, e.g. for bearing cages
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
  • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
  • G09F3/02—Forms or constructions
  • G09F3/03—Forms or constructions of security seals
  • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
  • G09F3/0329—Forms or constructions of security seals characterised by the type of seal used having electronic sealing means
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
  • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
  • G09F3/02—Forms or constructions
  • G09F3/03—Forms or constructions of security seals
  • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
  • G09F3/0329—Forms or constructions of security seals characterised by the type of seal used having electronic sealing means
  • G09F3/0335—Forms or constructions of security seals characterised by the type of seal used having electronic sealing means using RFID tags
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
  • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
  • G09F3/02—Forms or constructions
  • G09F3/03—Forms or constructions of security seals
  • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
  • G09F3/0347—Forms or constructions of security seals characterised by the type of seal used having padlock-type sealing means
  • G09F3/0352—Forms or constructions of security seals characterised by the type of seal used having padlock-type sealing means using cable lock
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
  • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
  • B29L2007/00—Flat articles, e.g. films or sheets
  • B29L2007/004—Tags; Tickets

Definitions

• the present invention relates to the field of seal devices, in particular for the protection of devices against vandalism or for the protection or closure or identification of devices, containers or objects.
• Commonly used seal devices include a patch with a flexible wire capable of being engaged through a through hole in the patch, means for holding the wire in the hole to form a tamper-evident loop.
• Patent FR-A-2 725 542 describes a one-piece plastic sealing device which comprises a patch which has a through hole made parallel to its large faces and a beaded wire engaging in the hole of the patch so as to constitute a loop, the tablet can be crushed by crimping in the direction of its thickness so that the wire is firmly held in the tablet.
• Patent CH-A-684,137 describes a one-piece plastic labeling device which comprises a plate which has a hole made in the direction of its thickness, the edge of which is of reduced thickness, and a thread engaging in the hole in the plate and having hooking projections in this hole. Such a device is removable without damage.
• GB-A-2 164 003 describes a plastic sealing device which comprises a box provided with a wire having at its free end hooking teeth and, in this box, hooking parts for retaining in taken these teeth when this free end is engaged in the box. Such a device has the disadvantage of having to be manufactured in several parts which must then be assembled.
• seal devices which include a cylindrical wire having annular projecting parts and a pellet having a through passage through which the wire can be engaged, the pellet having, in this passage, projecting lips capable of catching on the projecting parts of the wire.
• the patch may carry identification information which is either previously produced during molding or carried out when the tablet is crushed around the wire inserted into the hole of the latter by a tool having an imprint. .
• the object of the present invention is to propose an improvement to seal devices.
• the present invention relates to a sealing device comprising a patch, a flexible wire and hooking means for connecting the wire to the patch so as to form a loop.
• this sealing device further comprises a support, interlocking means for coupling this support to said pad and locking means for irreversibly locking said support and said pad, these locking means comprising a destructible part integral with said pellet.
• said support and said pad preferably comprise through holes through which said flexible wire is capable of being engaged when they are coupled.
• said support and / or said pad preferably comprises cutting means for cutting said flexible wire during the separation of the support and the pad previously coupled.
• said support and said pad preferably comprise complementary parts engaging one in the other.
• said complementary parts of said support and of said patch preferably comprise through holes located opposite one others when they are coupled and through which said flexible wire is capable of being engaged.
• said complementary parts preferably comprise adjacent parts located in the region of said through holes, at least one of which has a cutting edge for cutting said flexible wire during separation of the support and the pad previously coupled.
• said support preferably comprises a chamber for the reception of an identification member.
• the access opening for inserting said identification member into said chamber of the support can advantageously be closed by bringing into contact and heat-sealing the parts of this support delimiting this opening.
• said identification member is preferably constituted by an electronic circuit comprising an integrated circuit chip, possibly reprogrammable.
• the flexible wire is preferably integral with said patch and is adapted to engage in at least one through hole of the latter, the wall of this through hole and the flexible wire comprising hooking means preventing the extraction of this wire.
• the present invention also has for obj and means for hooking said flexible wire in at least one through hole of said patch.
• the wire preferably comprises annular projecting portions spaced along its length and having a radial annular hooking face oriented on the side of the patch and a frustoconical annular face opposite this radial face.
• the patch preferably comprises, projecting into said through hole, at least two hooking lips extending over a part of the periphery of this hole and opposite.
• each lip preferably has a thickness which increases from their circumferential end part to their middle part and a thickness which increases from their end to the wall of said through hole.
• said through hole is preferably cylindrical and said lips preferably have internal faces delimiting a cylindrical passage.
• said through hole preferably has a diameter in front of said lips greater than its diameter behind these lips.
• said lips preferably form inclined corners having an internal axial cylinder face, a frustoconical front face whose tip is oriented in the direction of introduction of the wire into said through hole and a flat rear inclined face.
• the inner cylindrical faces of said lips are preferably adapted to wrap the cylindrical parts of the wire at a short distance.
• the present invention also relates to an injection mold for the production of a pellet provided with a flexible wire, the pellet having a through hole for receiving the wire and thus constituting a loop and the pellet and the wire having means of hanging.
• said mold preferably comprises at least two parts delimiting between them at least one main cavity for the production of at least one pellet and at least one complementary cavity communicating with the main cavity for the manufacture of 'an elongated wire connected to the patch and preferably comprises at least one elongated insert passing through said cavity for the production of at least one hole passing through said patch parallel to its large faces.
• said insert preferably comprises at least two parts which are placed end-to-end and delimiting between their adjacent end parts at least one space open laterally in said cavity for the production of at least one lip projecting into the through hole of the patch and inclined relative to the axis of this hole.
• said complementary cavity preferably comprises hollow annular parts for the production on said elongated wire of protruding annular parts spaced along its length and having a radial annular hooking face oriented on the side of the patch and a frustoconical annular face opposite this radial face, the hole made in the patch being able to guide the wire and the lip made in the hole in the patch and the annular projecting portions of the wire being able to catch on.
• the end part of one of said insert parts preferably comprises an axial lug and an annular front face extending around this lug and the end part of the other part of insert preferably comprises an axial recess adapted to receive said lug axially and having a front face around this recess, the above front faces having complementary parts bearing one on the other and distant parts so as to spare at least one laterally open space for producing at least one lip.
• the end part of one of said insert parts preferably has a conical conical or frustoconical front face and the end part of the other of said insert parts has a conical front face or convex frustoconical bearing on the above concave face and in which is formed at least one flat so as to constitute said laterally open space.
• said insert parts preferably delimit therein at least two opposite spaces open laterally for the production of two opposite inclined lips.
• the end parts of said insert parts preferably delimit spaces having interior faces annular s for the realization of an annular axial passage between said lips.
• FIG. 1 represents a perspective view of a seal device according to the invention in position uncoupled;
• Figure 2 shows a perspective view of the seal device of Figure 1 in the nested and locked position;
• - Figure 3 shows a horizontal or flat longitudinal section of the seal device according to the invention in the nested position;
• Figure 4 shows a vertical longitudinal section of the sealant di spositif according to the invention in the nested position;
• - Figure 5 shows a longitudinal flat section of the sealant di spositif according to the invention in the nested and locked position.
• FIG. 6 represents a top view of a seal device according to the present invention, capable of constituting a part of the aforementioned seal device, in which the patch is in section;
• Figure 7 shows an enlarged sectional view of the wafer coupled to the wire, of the seal device of Figure 6;
• Figure 8 shows a cross section of the patch of the seal device of Figure 6;
• - Figure 9 shows a perspective view in cross section of the patch of the seal device of Figure 6;
• FIG. 10 represents a mold for the manufacture of the seal device of the seal device of FIG.
• FIGS. 1 to 5 comprises a first part 2, for example made of a plastic material and produced in one piece, which comprises a flat patch 3 of parallelepiped shape and a flexible wire 4 which extends through example from the middle of a small side 5 of the patch 3. Parallel to its small face 5 and to its large faces, the patch 3 has a through hole 6 through which the flexible wire can be engaged 4.
• the through hole 6 has internally projecting hooking teeth 7.
• the flexible wire 4 has annular hooking teeth 8 projecting from the outside.
• the inner hooking teeth 7 of the pad 3 and the outer hooking teeth 8 of the flexible wire 4 are such that they allow the flexible wire 4 to be engaged in the hole 6 of the pad 3 but that they prohibit its extraction, except to break them or to break the flexible wire 4.
• the sealing device 1 further comprises a second part 9, for example made of a plastic material and produced in one piece, constituting a support.
• This support 9 is flat and of generally parallelepiped shape. Parallel to its large faces, the support 9 has a main longitudinal chamber 10, parallelepiped, open on a small side 1 1 of this support.
• This chamber 10 is of complementary shape to that of the patch 3, so that the patch 3 can be engaged by interlocking in the chamber 10, until the side 5 of the patch 3 comes substantially flush with the side 1 1 of the support 9, the flexible wire 4 remaining outside.
• the support 9 On either side of the chamber 10 and parallel to its large faces, the support 9 has through holes 12 which, when the wafer 3 is fitted into the chamber 10, are located opposite the ends of the through hole 6 of this pellet.
• the through holes 12 of the support 9 are of substantially frustoconical shape open towards the outside, so that their internal edges adjacent to the chamber 10 are of reduced thickness and constitute cutting knives 13 for destroying the flexible wire 4.
• the support 9 also has a secondary longitudinal chamber 14 in which is longitudinally enclosed an electronic circuit 15 of small dimensions.
• the electronic circuit 15 comprises an integrated circuit chip presenting information memories and means for reading them, for example remotely, means which can be provided for reprogramming these memories, for example remotely, in order to modify the information that ' they contain.
• information can be identification data associated with or associated with the seal device 1, such as that, in general, personal identification data, object identification, time-related identification, location identification, value identification or any other useful data.
• the seal device 1 which has just been described can be used in the following manner. Having on the one hand a first part 2 consisting of the pad 3 and the flexible wire 4 and on the other hand of a support 9 containing an electronic circuit 15 with programmed identification information memories, the pad is fitted 3 in the chamber 10 of the support 9; the flexible wire 4 is passed through or around a part of an object to be protected or identified; and engaging, by its free end, the flexible wire 4 through the corresponding through holes 6 and 12 of the pad 3 and of the support 9, by engaging the hooking teeth 7 and 8; this to form a loop of the desired dimension. Before removing the sealing device 1 from the object and on which it was previously installed, we proceed, using knives 13, to break the flexible wire 4 by extracting the disc 3 from the chamber 10 of the support 9.
• the first part 2 consisting of the patch 3 and the flexible wire 4 is then no longer usable but the support 9 containing the electronic circuit 15, remaining intact, is again usable and can be reused, possibly having reprogrammed its chip 18, with a first part 2 new to be installed on the same object and or on another object and.
• the seal device 1 can advantageously be applied in the field of monitoring the use or protection of objects, machines or equipment such as electricity, gas or water meters, in the field of protection and control of objects to be transported such as suitcases, postal bags, coins or banknotes or in fields requiring surveillance of the course of objects or products, generally called traceability. Referring now to FIGS.
• the sealing device 101 is in one piece and made of plastic, for example of resistant polyamide. It includes a rectangular patch 102 which has large opposite faces 103 and 104 as well as opposite sides 105 and 106 and opposite sides 107 and 108.
• the patch 102 has a median through hole 109, generally cylindrical, which extends parallel to its large faces 103 and 104 and at its sides 105 and 106 and which opens on its sides 107 and 108. In the through hole 109, substantially at mid-length, there are provided two opposite hooking lips 1 10 and 1 1 1 in protruding, circumferentially spaced.
• the seal device 101 also includes a flexible wire
• This wire 1 12 which extends for example from the side 106 of the patch 102, perpendicularly.
• This wire 1 12 is generally cylindrical and is capable of being introduced through the through hole 109 of the patch 102 so as to form a loop.
• the wire 1 12 has annular hooking parts 1 13 projecting, spaced apart and distributed over a median part of its length.
• the through hole 109 of the patch 102 and the wire 1 12 are adapted so that the wire 1 12 is guided longitudinally in the through hole 109 of the patch 102 and the annular hooking parts.
• This injection mold 1 14 specially designed for the production of the seal device 101.
• This injection mold 1 14 comprises two parts 1 15 and 1 16 joined by a joint plane 1 17.
• parts 115 and 1 16 is formed a main cavity 1 1 8 for the production of the patch 102, this cavity 1 1 8 being symmetrical with respect to the joint plane 1 17 and formed so that large faces 103 and 104 of the patch to be produced extend perpendicular to this joint plane 1 17.
• the mold 1 14 is equipped with an elongated insert 120 which passes through the cavity 1 18 perpendicular to its joint plane 1 17 and which comprises two parts 120 and 121 which have end parts 122 and 123 adjacent and coupled.
• the insert part 120 comprises a cylinder 124 which has an axial hole 125.
• the annular front shoulder 126 of the cylinder 124 thus produced has two opposite and symmetrical portions of frustoconical front faces 127a and 127b, the vertex is located towards the front, as well as two opposite and symmetrical flats 128a and 128b more inclined than these frustoconical faces 127a and 1227b and produced in the latter.
• the annular front shoulder 125 is convex.
• a cylindrical lug 129 projecting forward.
• the insert part 121 comprises a cylinder 130 whose diameter is slightly greater than the diameter of the cylinder 124 of the insert part 120 and which has in its end part • 123 an axial recess 13 1
• the front shoulder thus produced has a frustoconical front face 132 whose tip is directed towards the rear and of the same conicity as the frustoconical faces 127a and 127b of the insert part 120.
• the frustoconical front face 132 is concave .
• the lug 129 of the insert part 120 is engaged just in the recess 131 of the insert part 130 and the opposite frustoconical front faces 127a and 127b of the insert part 120 are in contact with or bear on two opposite parts of the frustoconical front face 132 of the insert part 121, while between the opposite and inclined flats 128a and 129a of the part of insert 120 and the other opposite parts of the insert part 121, located opposite the frustoconical front face 132, define opposite spaces and symmetrical 133 and 134, open laterally and inclined, whose volumes and shapes correspond to the lips 110 and 111 to be produced.
• the thickness of the spaces 133 and 134 increases from their circumferential end part to their middle part and their thickness increases from the lug 129 to their periphery, the spaces 133 and
• the mold 114 further comprises an elongated complementary cylindrical cavity 137 which communicates with the main cavity 118.
• this complementary cavity 137 are provided, for the realization of the annular protruding parts 113 of the wire 112, hollow annular parts 138 which have a radial face 139 situated on the side of the cavity 118 and a frustoconical face 140 the apex of which is opposite to the cavity 118.
• the hooking lips 110 and 111 form, in the through hole 109, inclined corners spaced circumferentially and having faces cylindrical axial interior 110a and 111a resulting from the cylindrical wall of the lug 129 and delimiting a cylindrical passage, frustoconical front faces 110b and 111b resulting from the frustoconical face 132 of the insert part 121 and rear inclined flat faces 110c and 111c resulting from the inclined flats 128a and 128b of the insert 119, the axial cylindrical inner faces 110a and 111a and the frustoconical faces 110b and 111b joining together to form circular end edges HOd and 11d.
• each annular projecting hooking part 113 of the wire 112, obtained in the hollow annular parts 138 of the mold 114, can pass by elastically deforming the lips 110 and 111 formed in the through hole 109 of the patch 102, which slide on its frustoconical surface 113a resulting from the surface 140 of the mold 114, then come in front of the ends of the hooking lips 110 and 111, so as to constitute a hooking preventing the extraction of the wire 112, except to break the latter .
• the lips 110 and 111 are oriented towards the radial face 113b of an annular projecting part 113 of the wire 112. Their circular end edges HOd and 111 d are in contact with the internal part of this radial face 113b.
• the inner cylindrical faces 110a and 111a of the lips 110 and 111 envelop the corresponding cylindrical part of the wire 112 at a short distance.
• the structure of the attachment of the wire 112 in the hole 109 of the patch 102 it is possible to ensure relatively resistance important when pulling out and extracting the wire, the structure of the lips 110 and 111 of the patch 102 and the structure of the annular attachment parts 113 of the wire 112 gives them a resistance which can be much greater than the resistance to tensile rupture of the wire 112 in its cylindrical parts.
• the present invention is not limited to the examples described above. Many variations are possible without departing from the scope defined by the appended claims.

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• Engineering & Computer Science (AREA)
• Computer Security & Cryptography (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Mechanical Engineering (AREA)
• Moulds For Moulding Plastics Or The Like (AREA)
• Sealing Devices (AREA)
• Seal Device For Vehicle (AREA)

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Publications (1)

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• 2004
  • 2004-12-09 WO PCT/FR2004/003165 patent/WO2005057528A2/fr not_active Ceased
  • 2004-12-09 EP EP04805670A patent/EP1692679A2/de not_active Withdrawn

Non-Patent Citations (1)

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