← Back to Patent Explorer
EP0906839A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Method and apparatus for bonding an active tag to a patch and a tire

Assignee: Bridgestone Americas Tire Operations LLC
•
Filing: 1998-09-04
•
Granted: —
•
Expires: 2018-09-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A method and apparatus for bonding an active tag to a patch and assembling the patch to a tire is set forth. A patch assembly and a method for securing an electronic monitoring device having electronic and mechanical components for monitoring at least one engineering condition within a tire, comprising an rigid tag assembly encapsulating the electronic monitoring device, bonded to a vulcanized rubber patch which is secured to the inner cavity of a tire utilizing a layer of dual cure bonding rubber.

Inventors

  • 👤 Russell W. Koch
  • 👤 Guy J. Walenga
  • 👤 Paul B. Wilson

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 01:54
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0491; B60C23/0493; B29; B29D; B29D30/00; B29D30/0061; B29D30/06; B29D30/0601; B29D30/0662; B60C19/00; C; C08; C08L; C08L21/00; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L23/22; C08L7/00; C09; C09D; C09D163/00; G; G06; G06K; G06K19/00; G06K19/06; G06K19/067; G06K19/07; G06K19/077; G06K19/07749; G06K19/07758; G06K19/07764; B29C; B29C37/00; B29C2037/80; B29D2030/0072; B29D2030/0077; B29D2030/0083; B29D30/0681; B29D2030/0682; B29D30/72; B29D2030/728; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10819

Claims Analysis

Total Claims: 34
Claim 1
Independent Claim 301 words
A method for forming a patch assembly for securing an electronic monitoring device for monitoring at least one engineering condition within a tire, comprising the steps of: encapsulating an electronic monitoring device by placing the electronic monitoring device into a mold having a preselected configuration, the preselected configuration including at least one face having an alternating raised and recessed pattern to increase the surface area of the face, filling the mold with an epoxy potting material, and curing the epoxy potting material to form a rigid tag assembly having the preselected configuration in such a manner so as allow the electronic components to remain free from internal tire contamination but to remain open to the tire atmosphere as necessary; manufacturing a rubber patch having a preselected configuration, the rubber patch having edges, a first side for interfacing with the face, of the encapsulated rigid tag assembly, the first side having increased surface area, the first side of the rubber patch including a recessed cavity surrounded by a ridge of material of sufficient height to capture the encapsulated rigid tag assembly, and a second opposite side, the second side approximating the contour of the inner liner of the tire, the patch being tapered from the ridge toward the edges; vulcanizing the rubber patch at a preselected temperature and for a time sufficient for vulcanization; applying a layer of dual cure bonding rubber to the second side of the vulcanized rubber patch; applying a fluid epoxy adhesive to an interface between the encapsulated tag assembly and the rubber patch; assembling the encapsulated tag assembly into the recessed cavity on the first side of the rubber patch so that fluid epoxy adhesive flows from the interface between the encapsulated tag assembly and the rubber patch; and curing the assembly to form a patch assembly.
Claim 2
Dependent Claim 47 words
The method of claim 1 for forming a patch assembly, wherein the step of manufacturing a rubber patch having a first side including a recessed cavity surrounded by a ridge further includes a ridge having a height of at least one-eighth of an inch of rubber material.
Claim 3
Dependent Claim 34 words
The method of claim 1 for forming a patch assembly wherein the step of vulcanizing the rubber patch includes heating the rubber patch at a temperature of about 150° C for about 30 minutes.
Claim 4
Dependent Claim 33 words
The method of claim 1 for forming a patch assembly wherein the step of encapsulating the electronic monitoring device further includes preheating the mold to a preselected temperature prior to filling the mold.
Claim 5
Dependent Claim 19 words
The method of claim 4 for forming a patch assembly wherein the mold is preheated to about 80 °C.
Claim 6
Dependent Claim 33 words
The method of claim 1 for forming a patch assembly wherein the step of manufacturing a rubber patch includes manufacturing a rubber patch comprised of a mixture of chlorobutyl rubber and natural rubber.
Claim 7
Dependent Claim 32 words
The method of claim 1 for forming a patch assembly, wherein the step of manufacturing a rubber patch includes manufacturing a rubber patch comprised of a mixture of SBR and natural rubber.
Claim 8
Dependent Claim 39 words
The method of claim 1 for forming a patch assembly, wherein the step of manufacturing a rubber patch includes manufacturing a rubber patch selected from the group consisting of EPDM rubber, butyl rubber, natural rubber, neoprene and mixtures thereof.
Claim 9
Dependent Claim 33 words
The method of claim 1 for forming a patch assembly, wherein the step of curing the assembly includes curing the assembly at a temperature of from about 75-90° for at least 30 minutes.
Claim 10
Dependent Claim 29 words
The method of claim 1 for forming a patch assembly, wherein the step of applying a layer of dual cure bonding rubber includes applying a layer of natural rubber.
Claim 11
Independent Claim 349 words
A method for securing within a tire an electronic monitoring device for monitoring at least one engineering condition of a tire, in such a manner and in such a location so as to minimize stress, strain, cyclic fatigue, impact and vibration, comprising the steps of: encapsulating an electronic monitoring device by placing the electronic monitoring device into a mold having a preselected configuration, filling the mold with an epoxy potting material, and curing the epoxy potting material to form a rigid tag assembly having the preselected configuration in such a manner so as allow the electronic components to remain free from internal tire contamination but to remain open to the tire atmosphere as necessary; manufacturing a rubber patch having a preselected configuration, the rubber patch having edges, a first side for interfacing with at least one surface of the encapsulated rigid tag, the first side including a recessed cavity surrounded by a ridge of material of sufficient height to capture the encapsulated rigid tag assembly, and a second opposite side, the second side approximating the contour of the inner liner of the tire, the patch being tapered from the ridge toward the edges; vulcanizing the rubber patch at a preselected temperature and for a time sufficient for vulcanization; applying a layer of dual cure bonding rubber to the second side of the vulcanized rubber patch; applying a fluid epoxy adhesive to an interface between the encapsulated tag assembly and the rubber patch; assembling the encapsulated tag assembly into the recessed cavity on the first side of the rubber patch so that fluid epoxy adhesive flows from an interface between the surface of the encapsulated tag assembly and the rubber patch; curing the assembly to form a patch assembly; assembling the patch assembly to the inner liner of a vulcanized tire by applying an activating cement between the dual cure bonding layer and the inner liner of the tire; then, stitching the patch assembly to the inner liner of the vulcanized tire; and curing the patch/tire assembly at a temperature and for a time sufficient to form a strong bond.
Claim 12
Dependent Claim 53 words
A method for securing within a tire an electronic monitoring device of claim 11, further including, prior to the step of curing the patch/tire assembly, the step of applying a clamping device to apply sufficient pressure to the patch assembly and the inner liner to assure intimate contact at the interface during curing.
Claim 13
Dependent Claim 35 words
A method for securing within a tire an electronic monitoring device of claim 11, wherein the step of curing the patch/tire assembly includes curing at a temperature of about 45°C for at least 24 hours.
Claim 14
Dependent Claim 32 words
A method for securing within a tire an electronic monitoring device of claim 11, wherein the step of curing the patch/tire assembly includes curing at ambient temperature for at least 72 hours.
Claim 15
Dependent Claim 121 words
A tire patch for securing an electronic monitoring device for monitoring at least one engineering condition within a tire, comprising: a vulcanized rubber patch of preselected configuration having a first side for interfacing with a face of an encapsulated rigid monitoring device and a second opposite side approximating the contour of an inner liner of a tire, the first side including a recessed cavity surrounded by a raised ridge of material of sufficient height capable of surrounding a portion of the outer periphery of the encapsulated rigid monitoring device; and a layer of uncured dual cure bonding rubber having a first surface and a second surface, the first surface being permanently assembled to the second side of the vulcanized rubber patch.
Claim 16
Dependent Claim 28 words
The tire patch of claim 15, wherein the patch is comprised of rubber selected from the group consisting of EPDM, butyl rubber, natural rubber neoprene and mixtures thereof.
Claim 17
Dependent Claim 20 words
The tire patch of claim 15, wherein the patch is comprised of a mixture of chlorobutyl rubber and natural rubber.
Claim 18
Dependent Claim 19 words
The tire patch of claim 15, wherein the patch is comprised of a mixture of SBR and natural rubber.
Claim 19
Dependent Claim 176 words
A patch assembly for securing an active electronic monitoring device having electronic and mechanical components for monitoring at least one engineering condition within a tire, comprising: a rigid tag assembly including a rigid potting material encapsulating an active electronic monitoring device, the rigid tag assembly having an upper surface, a lower surface and an outer periphery; a vulcanized rubber patch of preselected configuration having a first side for interfacing with a face of an encapsulated tag assembly and a second opposite side approximating the contour of an inner liner of a tire, the first side including a recessed cavity surrounded by a raised ridge of material of sufficient height surrounding a portion of the outer periphery of the rigid tag assembly; an adhesive layer securing at least the lower surface of the rigid tag assembly within the recessed cavity of the vulcanized rubber patch; and a layer of uncured dual cure bonding rubber having a first surface and a second surface, the first surface being permanently assembled to the second side of the vulcanized rubber patch.
Claim 20
Dependent Claim 39 words
The patch assembly of claim 19 wherein the potting material has a Young's Modulus of at least 30,000 psi and is capable of being molded around the electronic monitoring device without damaging any components of the electronic monitoring device.
Claim 21
Dependent Claim 18 words
The patch assembly of claim 20 wherein the potting material has a Young's Modulus of about 100,000 psi.
Claim 22
Dependent Claim 19 words
The patch assembly of claim 20 wherein the potting material selected from the group consisting of epoxy and urethane.
Claim 23
Dependent Claim 191 words
A tire having an active electronic monitoring device for monitoring at least one engineering condition mounted within the tire, comprising: a vulcanized tire having an inner liner; a rigid tag assembly including a rigid potting material encapsulating an active electronic monitoring device, the rigid tag assembly having an upper surface, a lower surface and an outer periphery; a vulcanized rubber patch of preselected configuration having edges, a first side for interfacing with a face of an encapsulated tag assembly and a second opposite side approximating the contour of an inner liner of a tire, the first side including a recessed cavity surrounded by a raised ridge of material of sufficient height surrounding a portion of the outer periphery of the rigid tag assembly; an adhesive layer securing at least the lower surface of the rigid tag assembly within the recessed cavity of the vulcanized rubber patch; and a layer of dual cure bonding rubber having a first surface and a second surface, the first surface being permanently cured to the second side of the vulcanized rubber patch and the second surface being permanently cured to the inner liner of the tire.
Claim 24
Dependent Claim 34 words
The tire of claim 23 wherein the dual cure bonding rubber includes rubbers capable of bonding the vulcanized rubber of the rubber patch to the vulcanized rubber of the inner liner of the tire.
Claim 25
Dependent Claim 14 words
The tire of claim 24 wherein the dual cure bonding rubber is natural rubber.
Claim 26
Dependent Claim 159 words
A tire patch for securing an electronic monitoring device for monitoring at least one engineering condition within a tire, comprising: a rigid insert having a cylindrical wall, the interior of the cylindrical wall forming a recessed cavity for receiving a cylindrical encapsulated monitoring device; a rubber patch of preselected configuration having a first side and a second opposite side, the first side including a cylindrical raised ridge of material surrounding the cylindrical wall of the rigid insert, the raised ridge being of sufficient height to secure the insert in a fixed position, and the second opposite side for interfacing with a face of an encapsulated rigid monitoring device and the second opposite side approximating the contour of an inner liner of a tire; and a layer of dual cure bonding rubber having a first surface and a second surface, the first surface being permanently assembled to the second side of the rubber patch, while the second surface is uncured.
Claim 27
Dependent Claim 25 words
The tire patch of claim 26 wherein the insert consists of a rigid material selected from the group consisting of plastic, composite material and metal.
Claim 28
Dependent Claim 26 words
The tire patch of claim 27 wherein the insert consists of a rigid composite material selected from the group consisting of glass-filled polyimide and glass-filled epoxy.
Claim 29
Dependent Claim 24 words
The tire patch of claim 27 wherein the insert consists of a rigid composite material selected from the group consisting of epoxy and nylon.
Claim 30
Dependent Claim 208 words
A patch assembly for securing an active electronic monitoring device having electronic and mechanical components for monitoring at least one engineering condition within a tire, comprising: a cylindrical rigid tag assembly including a rigid potting material encapsulating an active electronic monitoring device, the rigid tag assembly having an upper surface, a lower surface and an outer cylindrical periphery; a rigid insert having a cylindrical wall, the interior of the cylindrical wall forming a recessed cavity for receiving the cylindrical rigid tag assembly; a vulcanized rubber patch of preselected configuration having edges, a first side and a second opposite side, the first side including a cylindrical raised ridge of material surrounding the cylindrical wall of the rigid insert, the raised ridge being of sufficient height to secure the insert in a fixed position, and the second opposite side approximating the contour of an inner liner of a tire; an adhesive layer securing at least the outer cylindrical periphery of the rigid tag assembly within the recessed cavity of the cylindrical rigid insert; and a layer of dual cure bonding rubber having a first surface and a second surface, the first surface being permanently assembled to the second side of the vulcanized rubber patch, while the second surface is uncured.
Claim 31
Dependent Claim 24 words
The patch assembly of claim 30 wherein the height of the raised ridge of material is about the same height as the cylindrical insert.
Claim 32
Dependent Claim 24 words
The patch assembly of claim 30 wherein the height of the raised ridge of material is less that the height of the cylindrical insert.
Claim 33
Dependent Claim 25 words
The patch assembly of claim 30 wherein the insert consists of a rigid material selected from the group consisting of plastic, composite material and metal.
Claim 34
Dependent Claim 219 words
A tire having an active electronic monitoring device for monitoring at least one engineering condition mounted within the tire, comprising: a vulcanized tire having an inner liner; a cylindrical rigid tag assembly including a rigid potting material encapsulating an active electronic monitoring device, the cylindrical rigid tag assembly having a cylindrical outer periphery wall, an upper surface and a lower surface; a rigid insert having a cylindrical wall, the interior of the cylindrical wall forming a recessed cavity for receiving the cylindrical rigid tag assembly; a vulcanized rubber patch of preselected configuration having edges, a first side and a second opposite side, the first side including a cylindrical raised ridge of material surrounding the cylindrical wall of the rigid insert, the raised ridge being of sufficient height to secure the insert in a fixed position, and the second opposite side approximating the contour of an inner liner of a tire; an adhesive layer securing at least the cylindrical outer periphery wall of the rigid tag assembly to the cylindrical wall of the rigid insert; and a layer of dual cure bonding rubber having a first surface and a second surface, the first surface being permanently bonded to the second side of the vulcanized rubber patch and the second surface being permanently cured to the inner liner of the tire.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag