JPH06896A - タイヤカーカス構成用未加硫ゴム・コード複合体のつき合せジョイント方法 - Google Patents

タイヤカーカス構成用未加硫ゴム・コード複合体のつき合せジョイント方法

Info

Publication number
JPH06896A
JPH06896A JP16232992A JP16232992A JPH06896A JP H06896 A JPH06896 A JP H06896A JP 16232992 A JP16232992 A JP 16232992A JP 16232992 A JP16232992 A JP 16232992A JP H06896 A JPH06896 A JP H06896A
Authority
JP
Japan
Prior art keywords
unvulcanized rubber
tire carcass
cord
butt
butt joint
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Withdrawn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
JP16232992A
Other languages
English (en)
Inventor
Koji Takahira
耕二 高比良
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 Tire Corp
Original Assignee
Toyo Tire and Rubber 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 Tire and Rubber Co Ltd filed Critical Toyo Tire and Rubber Co Ltd
Priority to JP16232992A priority Critical patent/JPH06896A/ja
Publication of JPH06896A publication Critical patent/JPH06896A/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
    • B29D30/42—Endless textile bands without bead-rings
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/435—Making large sheets by joining smaller ones or strips together
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/49—Internally supporting the, e.g. tubular, article during joining
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
    • B29C66/72141—Fibres of continuous length
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7375—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured
    • B29C66/73751—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being uncured, i.e. non cross-linked, non vulcanized
    • B29C66/73752—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being uncured, i.e. non cross-linked, non vulcanized the to-be-joined areas of both parts to be joined being uncured
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • B29C66/81419—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled and flat
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • B29C66/81469—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint one placed next to the other in a single line transverse to the feed direction, e.g. shoulder to shoulder sonotrodes
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B29C66/8362—Rollers, cylinders or drums moving relative to and tangentially to the parts to be joined
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
    • B29D30/42—Endless textile bands without bead-rings
    • B29D2030/421—General aspects of the joining methods and devices for creating the bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
    • B29D30/42—Endless textile bands without bead-rings
    • B29D2030/421—General aspects of the joining methods and devices for creating the bands
    • B29D2030/422—Butt joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Tyre Moulding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】 【目的】 未加硫ゴム・コード複合体をつき合せジョイ
ントしてタイヤカーカスを構成するに際し、そのつき合
せジョイントを、密着不良個所を発生させることなしに
行うことを可能にする。 【構成並びに効果】 未加硫ゴム・コード複合体をつき
合せジョイントしてタイヤカーカスを構成するに際し、
上記複合体のつき合せ端部の相互を、その接合端面のつ
き合せの前又は後に、未加硫ゴムの加硫温度よりも低い
温度で加熱することを特徴とするタイヤカーカス構成用
未加硫ゴム・コード複合体のつき合せジョイント方法。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明はタイヤカーカス構成用未
加硫ゴム・コード複合体のつき合せジョイント方法に関
する。
【０００２】
【従来技術とその問題点】タイヤカーカスを構成するに
際しては、その構成手順の１例を概略的に示す図５から
明らかなように、常法に従いコード１１の上下両面に未
加硫ゴム１２を被覆して得られた１ｍ程度の幅の未加硫
ゴム・コード複合長尺シート１を裁断線ａ上で所定長さ
の定尺シート２に裁断した後、之等定尺シート２…から
タイヤカーカス材３を構成するために、定尺シート２を
その裁断面２１側に於て順次ジョイントする工程、及び
このようにして得られたカーカス構成材３のタイヤ１本
分の長さを、タイヤ成型手順に従いタイヤ成型ドラム４
上にエンドレス状に巻装してその継目５をジョイントす
る工程とが必要になる。
【０００３】上記ジョイント工程に於けるジョイント手
段として、従来、図６に示す重ね合せ方式と、図７に示
すつき合せ方式とが知られており、後者のつき合せ方式
は、前者の重ね合せ方式にみられるような厚肉部６の発
生がなく、つき合せジョイント部７を含めて全体を同じ
肉厚にすることができる。
【０００４】ところがつき合せジョイント方式は、
（イ） 未加硫ゴムの塑性変形のためにジョイント部７
の接合端面８，８同士の押付け圧を大きくできない、及
び（ロ） 未加硫ゴムは粘着性を有するとはいえ、粘着
の度合はどちらかといえば弱い、などの理由から、接合
端面８，８間に密着不良個所を生じ易いという問題があ
り、特にこの傾向は、接合端面８にブルーム（ゴム配合
剤の結晶析出部）やコード露出がある場合に顕著であっ
た。
【０００５】ちなみに接合端面８，８間の密着不良はタ
イヤ成型、加硫工程時にカーカスの口開き、破れなどの
原因となり、これではタイヤ内への空気圧の充填時にタ
イヤサイドに凸部を発生させることになる。
【０００６】本発明は、このようなつき合せジョイント
法の問題点を一掃することを目的としてなされたもので
ある。
【０００７】
【問題点を解決するための手段】本発明は、未加硫ゴム
・コード複合体をつき合せジョイントしてタイヤカーカ
スを構成するに際し、上記複合体のつき合せ端部の相互
を、その接合端面のつき合せの前又は後に、未加硫ゴム
の加硫温度よりも低い温度で加熱することを特徴とする
タイヤカーカス構成用未加硫ゴム・コード複合体のつき
合せジョイント方法に係る。
【０００８】本発明に於て、未加硫ゴム・コード複合体
としては、タイヤカーカスの構成に使用される、例えば
図５に示す定尺シート２又はカーカス材３を例示でき
る。
【０００９】本発明法を適用して、定尺シート２，２の
相互又はカーカス材３の継目５をジョイントするに際し
ては、そのつき合せ端部が、接合端面のつき合せ前又は
後に適宜の加熱手段を適用して加熱される。
【００１０】図１及び図２は定尺シート２，２の相互を
本発明法を適用してジョイントしている状況を示し、図
１ではつき合せ端部が、接合端面８，８（図５の裁断面
２１，２１に相当する）のつき合せ前に、また図２では
接合端面８，８のつき合せ後に、上下両面側からヒータ
プレート９，９を適用して加熱される。
【００１１】上記の加熱により、接合端面８，８におい
て、未加硫ゴムの粘着性が増大するので、図１のジョイ
ント法ではヒータプレート９，９の一方又は両方を退去
させて後、接合端面８，８同士を常法に従い押付けるこ
とにより、また図２のジョイント法では、ヒータプレー
ト９，９の矢符方向への押圧で、接合端面８，８同士を
押付けることにより、仮に接合端面８にブルームが発生
し又はコードの端縁が露出しているような場合であって
も、実質的に接合端面８，８の全面を密着させることが
できる。
【００１２】図３はタイヤ成型ドラム４上に巻装された
カーカス材３の継目５のジョイント状況を示し、そのつ
き合せ端部は、接合端面８，８のつき合せ後に、上面側
からのヒータプレート９の適用で片面加熱され、この加
熱によって図１及び図２の場合と同様に接合端面８，８
同士を全面密着できる。
【００１３】本発明に於て、つき合せ端部の加熱は図
１，２に示すように両面加熱であってもあるいは図３に
示すように片面加熱であってもよい。定尺シート２及び
カーカス材３は通常３〜５ｍｍ程度の薄肉厚であるの
で、片面加熱であっても接合端面８の全面を所定温度に
略々均一に加熱できる。
【００１４】加熱温度は未加硫ゴムの可塑性を消失させ
ることのないよう加硫温度よりも低いことが必要であ
り、通常は６０〜１５０℃の範囲内からゴムの配合組成
などに応じ適宜選択決定される。
【００１５】加熱時間は、コード（例えば有機質）の熱
変形やコード（例えば金属質）とゴム成分との反応（コ
ードとコムとの接着力を低下させる）を招くことのない
よう、できるだけ短時間であることが必要であり、０．
１〜５秒間程度が適当である。定尺シート２及びカーカ
ス材３の肉厚は３〜５ｍｍ程度であり熱が通り易いの
で、０．１〜５秒程度の短時間の加熱で充分である。
【００１６】加熱手段は特に制限されず、図１〜３に示
すように、ヒータプレート９を用いてジョイント線の全
長を同時加熱するようにしてもよいし、或は図４に示す
ように、ジョイント線上に沿って転動される１対の傘歯
車状の加熱ロール９ａ，９ａを用いて、接合端面８，８
同士を押付けながら行うようにしてもよい。
【００１７】
【実施例】スチールコード（３＋９＋１５×０．１７５
＋１ １５エンド／２．５ｃｍ）と下記配合組成の未加
硫ゴムとを用い、トッピングゲージ２．５ｍｍにトッピ
ングし、１１Ｒ２２．５チューブレスタイヤ用の未加硫
ゴム・コード複合長尺シートを製造し、該長尺シートを
図５に示す通り定尺シートに裁断した後、この定尺シー
トをその裁断面に於て本発明つき合せジョイント法を適
用してジョイントし、加熱条件（表１参照）を異にする
３種類のカーカス材を得た。この３種類のカーカス材を
用いて常法に従い本発明タイヤ１，２，３の３種類を製
造し、サイド部の凸発生率を調べた。その結果を示すと
表１の通りである。尚表中“凸発生率の比”とは、定尺
シートのつき合せジョイントを加熱なしで行う以外は、
本発明と全く同条件で製造した参考タイヤのサイド部の
凸発生率を“１００”とした場合の比率である。
【００１８】
【表１】
【００１９】〔未加硫ゴムの配合組成〕 天然ゴム １００部 カーボン ６０〃 亜鉛華 １０〃 老化防止剤（パラフェニレンジアミン系） １〃 コバルト塩（ステアリン酸コバルト） ２〃 レゾルシン １〃 ヘキサ（ヘキサメチレンテトラミン） １〃 促進剤（スルフェンアミド系） １〃 イオウ ５〃 上表から明らかなように本発明つき合せジョイント法を
適用するときは、タイヤサイド部の凸発生率が著るしく
低下する。
【００２０】
【発明の効果】本発明つき合せジョイント方法によれば
カーカス材の構成に必要なつき合せジョイント部分（接
合端面）を実質的に全面で安定確実に接合密着させるこ
とが可能となり、タイヤ成型、加硫工程で懸念されるカ
ーカスジョイント部の口開き、破れなどの不良タイヤ発
生要因を一掃できる特徴を有する。
【図面の簡単な説明】
【図１】本発明の１実施状況を概略的に示す説明図であ
る。
【図２】本発明の他の実施状況を概略的に示す説明図で
ある。
【図３】本発明の更に他の実施状況を概略的に示す説明
図である。
【図４】加熱手段の１例を示す説明図である。
【図５】カーカスの一般的な構成手段を概略的に示す説
明図である。
【図６】重ね合せジョイント法の説明図である。
【図７】つき合せジョイント法の説明図である。
【符号の説明】
２ 定尺シート ３ カーカス材 ４ 成型ドラム ５ 継目 ８ 接合端面 ９ ヒータプレート
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｌ 30:00 4Ｆ

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 未加硫ゴム・コード複合体をつき合せジ
    ョイントしてタイヤカーカスを構成するに際し、上記複
    合体のつき合せ端部の相互を、その接合端面のつき合せ
    の前又は後に、未加硫ゴムの加硫温度よりも低い温度で
    加熱することを特徴とするタイヤカーカス構成用未加硫
    ゴム・コード複合体のつき合せジョイント方法。
JP16232992A 1992-06-22 1992-06-22 タイヤカーカス構成用未加硫ゴム・コード複合体のつき合せジョイント方法 Withdrawn JPH06896A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16232992A JPH06896A (ja) 1992-06-22 1992-06-22 タイヤカーカス構成用未加硫ゴム・コード複合体のつき合せジョイント方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16232992A JPH06896A (ja) 1992-06-22 1992-06-22 タイヤカーカス構成用未加硫ゴム・コード複合体のつき合せジョイント方法

Publications (1)

Publication Number Publication Date
JPH06896A true JPH06896A (ja) 1994-01-11

Family

ID=15752476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16232992A Withdrawn JPH06896A (ja) 1992-06-22 1992-06-22 タイヤカーカス構成用未加硫ゴム・コード複合体のつき合せジョイント方法

Country Status (1)

Country Link
JP (1) JPH06896A (ja)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0653294A1 (de) * 1993-11-15 1995-05-17 Uniroyal Englebert Reifen GmbH Karkasse eines Fahrzeugluftreifens
EP0820857A3 (de) * 1996-07-27 1999-06-16 Continental Aktiengesellschaft Verfahren zur Herstellung einer Karkasse eines Reifens und Vorrichtung zur Verwendung in dem Verfahren
JP2001198987A (ja) * 1999-12-14 2001-07-24 Goodyear Tire & Rubber Co:The 強化エラストマ材のチューブを形成する方法および装置
JP2007160937A (ja) * 2005-12-14 2007-06-28 Karl Eugen Fischer Gmbh 繋ぎ装置
EP1862296A1 (en) * 2006-06-01 2007-12-05 Sumitomo Rubber Industries, Ltd. Method and apparatus for butt-jointing edges of elastic material sheet
JP2013103454A (ja) * 2011-11-15 2013-05-30 Bridgestone Corp ゴム部材の接合装置及び接合方法
JP2013188866A (ja) * 2012-03-12 2013-09-26 Sumitomo Rubber Ind Ltd 生タイヤ成形用圧着装置および生タイヤ成形方法
JP2014121833A (ja) * 2012-12-21 2014-07-03 Mitsuboshi Belting Ltd ベルトスリーブの製造方法
US20140202608A1 (en) * 2013-01-18 2014-07-24 Paul Harry Sandstrom Rubber cement and tire with fabricated tire tread
US20140202607A1 (en) * 2013-01-18 2014-07-24 Paul Harry Sandstrom Water based rubber cement and tire with fabricated tread
CN113334781A (zh) * 2021-06-30 2021-09-03 中国航发动力股份有限公司 一种用于风扇机匣内壁的弧形复合材料胶接方法

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0653294A1 (de) * 1993-11-15 1995-05-17 Uniroyal Englebert Reifen GmbH Karkasse eines Fahrzeugluftreifens
EP0820857A3 (de) * 1996-07-27 1999-06-16 Continental Aktiengesellschaft Verfahren zur Herstellung einer Karkasse eines Reifens und Vorrichtung zur Verwendung in dem Verfahren
JP2001198987A (ja) * 1999-12-14 2001-07-24 Goodyear Tire & Rubber Co:The 強化エラストマ材のチューブを形成する方法および装置
JP2007160937A (ja) * 2005-12-14 2007-06-28 Karl Eugen Fischer Gmbh 繋ぎ装置
EP1798020A3 (de) * 2005-12-14 2007-08-01 Karl Eugen Fischer GmbH Maschinenfabrik Spleisseinrichtung
KR100850334B1 (ko) * 2005-12-14 2008-08-04 카를 오이겐 피셔 게엠베하 접합 장치
EP1862296A1 (en) * 2006-06-01 2007-12-05 Sumitomo Rubber Industries, Ltd. Method and apparatus for butt-jointing edges of elastic material sheet
US7833375B2 (en) 2006-06-01 2010-11-16 Sumitomo Rubber Industries, Ltd. Method and apparatus for butt-jointing edges of elastic material sheet
JP2013103454A (ja) * 2011-11-15 2013-05-30 Bridgestone Corp ゴム部材の接合装置及び接合方法
US9676174B2 (en) 2011-11-15 2017-06-13 Bridgestone Corporation Device and method for joining rubber members
JP2013188866A (ja) * 2012-03-12 2013-09-26 Sumitomo Rubber Ind Ltd 生タイヤ成形用圧着装置および生タイヤ成形方法
JP2014121833A (ja) * 2012-12-21 2014-07-03 Mitsuboshi Belting Ltd ベルトスリーブの製造方法
US20140202608A1 (en) * 2013-01-18 2014-07-24 Paul Harry Sandstrom Rubber cement and tire with fabricated tire tread
US20140202607A1 (en) * 2013-01-18 2014-07-24 Paul Harry Sandstrom Water based rubber cement and tire with fabricated tread
US9133371B2 (en) * 2013-01-18 2015-09-15 The Goodyear Tire & Rubber Company Rubber cement and tire with fabricated tire tread
US9290679B2 (en) * 2013-01-18 2016-03-22 The Goodyear Tire & Rubber Company Water based rubber cement and tire with fabricated tread
CN113334781A (zh) * 2021-06-30 2021-09-03 中国航发动力股份有限公司 一种用于风扇机匣内壁的弧形复合材料胶接方法

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