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WO1999004958A1 - Amelioration dans la fabrication de pneumatiques - Google Patents

Amelioration dans la fabrication de pneumatiques Download PDF

Info

Publication number
WO1999004958A1
WO1999004958A1 PCT/GB1998/002191 GB9802191W WO9904958A1 WO 1999004958 A1 WO1999004958 A1 WO 1999004958A1 GB 9802191 W GB9802191 W GB 9802191W WO 9904958 A1 WO9904958 A1 WO 9904958A1
Authority
WO
WIPO (PCT)
Prior art keywords
ply
cords
anchor
winding
cord
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.)
Ceased
Application number
PCT/GB1998/002191
Other languages
English (en)
Inventor
Eric Holroyd
Colin Holroyd
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.)
Holroyd Associates Ltd
Original Assignee
Holroyd Associates 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 Holroyd Associates Ltd filed Critical Holroyd Associates Ltd
Priority to AU84542/98A priority Critical patent/AU8454298A/en
Publication of WO1999004958A1 publication Critical patent/WO1999004958A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/04—Bead cores
    • 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)
    • B29D30/08—Building tyres
    • B29D30/34—Building tyres by jointly covering two bead-rings, located parallel to each other at a distance apart, with fabric or cord layers
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
    • B60C15/0081—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion the carcass plies folded around or between more than one bead core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/02—Carcasses
    • B60C9/023—Carcasses built up from narrow strips, individual cords or filaments, e.g. using filament winding

Definitions

  • This invention is concerned with improvements in tyre manufacture, particularly with regard to the locking of a ply layer in the region of a tyre bead.
  • a ply material which has a decreased likelihood of containing structural defects of the type identified above.
  • a ply material comprising a pair of parallel anchor cords, and a plurality of cord windings, each winding passing around both anchor cords, and wherein each winding is positively located against movement axially of each of the anchor cords.
  • FIG. 3 is a detail plan of the winding apparatus illustrated in figures 1 and 2;
  • Each of the arms 38 has a radially inwardly extending pin 46 on which is provided a bobbin 48 of cord.
  • the sleeve 32 has a pair of parallel axial channels 50, diametrically opposed about the axis of the sleeve 32, and along which cord is conducted from respective bobbins 48 to the front of the sleeve 32 and therefrom to the tips of the arms 36.
  • the arms 36, 38 and the channels 50 are all provided with pulley wheels 52 to assist the passage of cord to the tips of the arms 36.
  • FIG. 6 illustrates a portion of ply formed in accordance with the above apparatus and method.
  • individual windings are located in serrations of the ply locking strips. Therefore, the windings are locked against movement relative the ply locking strips 102 and consequently, their spacing relative each other remains constant.
  • a ply formed in accordance with the above is illustrated in figure 5 incorporated in a tyre.
  • Bead wire 104 is illustrated formed around the ply locking strip 102, and so a bead can be built up to an acceptable size.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Tyre Moulding (AREA)

Abstract

La présente invention concerne un matériau en nappe comprenant une paire de câblés (102) d'ancrage parallèles et une pluralité d'enroulements de câblé. Chaque enroulement passe autour de deux câblés (102) d'ancrage et chaque enroulement est placé positivement pour s'opposer à un déplacement axial de chacun des câblés d'ancrage.
PCT/GB1998/002191 1997-07-23 1998-07-22 Amelioration dans la fabrication de pneumatiques Ceased WO1999004958A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU84542/98A AU8454298A (en) 1997-07-23 1998-07-22 Improvements in tyre manufacture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9715451A GB2327391B (en) 1997-07-23 1997-07-23 Improvements in tyre manufacture
GB9715451.2 1997-07-23

Publications (1)

Publication Number Publication Date
WO1999004958A1 true WO1999004958A1 (fr) 1999-02-04

Family

ID=10816272

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1998/002191 Ceased WO1999004958A1 (fr) 1997-07-23 1998-07-22 Amelioration dans la fabrication de pneumatiques

Country Status (3)

Country Link
AU (1) AU8454298A (fr)
GB (1) GB2327391B (fr)
WO (1) WO1999004958A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0212049A (pt) * 2002-06-27 2004-08-17 Pirelli Pneumático para rodas de veìculos

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR514547A (fr) * 1915-12-17 1921-03-12 Tyre Machinery Syndicate Ltd Perfectionnements aux enveloppes de pneumatiques et aux procédés et appareils pour les fabriquer
US2139840A (en) * 1936-06-06 1938-12-13 Charles W Mckone Process of making pneumatic tires
US3649411A (en) * 1969-02-03 1972-03-14 Deering Milliken Res Corp Apparatus for the production of a bonded textile fabric
DE2064753A1 (en) * 1970-12-31 1972-07-20 Continental Gummi-Werke Ag, 3000 Hannover Tyre carcass assembly - esp radial cord half tyres for track tyres
FR2337033A1 (fr) * 1976-01-05 1977-07-29 Goodyear Tire & Rubber Pneumatique en tore ferme
EP0018539A1 (fr) * 1979-04-28 1980-11-12 Bayer Ag Bandages pneumatiques renforcés par un voile de fibres et procédé de fabrication de ces bandages
WO1983002749A1 (fr) * 1982-02-11 1983-08-18 Janus, Jonny Pneus a ceinture ou a carcasse radiale, appareil et procede de fabrication des memes
US4602973A (en) * 1984-05-22 1986-07-29 Apsley Metals Limited Manufacture of non-woven fabric
DE29610445U1 (de) * 1995-08-05 1996-11-07 Mehler Industrietextilien GmbH, 36043 Fulda Reifen mit aus textilen Fäden bestehendem Kerndraht

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6614362A (fr) * 1965-10-20 1967-04-21
US3728195A (en) * 1969-02-10 1973-04-17 Deering Milliken Res Corp Apparatus for the production of non-woven net fabrics
IE46604B1 (en) * 1977-04-27 1983-07-27 Chomarat & Cie Method and apparatus for the manufacture of non-woven textile fabrics
GB2179307B (en) * 1985-08-03 1989-08-02 Apsley Metals Ltd A method for the manufacture of a pneumatic tyre

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR514547A (fr) * 1915-12-17 1921-03-12 Tyre Machinery Syndicate Ltd Perfectionnements aux enveloppes de pneumatiques et aux procédés et appareils pour les fabriquer
US2139840A (en) * 1936-06-06 1938-12-13 Charles W Mckone Process of making pneumatic tires
US3649411A (en) * 1969-02-03 1972-03-14 Deering Milliken Res Corp Apparatus for the production of a bonded textile fabric
DE2064753A1 (en) * 1970-12-31 1972-07-20 Continental Gummi-Werke Ag, 3000 Hannover Tyre carcass assembly - esp radial cord half tyres for track tyres
FR2337033A1 (fr) * 1976-01-05 1977-07-29 Goodyear Tire & Rubber Pneumatique en tore ferme
EP0018539A1 (fr) * 1979-04-28 1980-11-12 Bayer Ag Bandages pneumatiques renforcés par un voile de fibres et procédé de fabrication de ces bandages
WO1983002749A1 (fr) * 1982-02-11 1983-08-18 Janus, Jonny Pneus a ceinture ou a carcasse radiale, appareil et procede de fabrication des memes
US4602973A (en) * 1984-05-22 1986-07-29 Apsley Metals Limited Manufacture of non-woven fabric
DE29610445U1 (de) * 1995-08-05 1996-11-07 Mehler Industrietextilien GmbH, 36043 Fulda Reifen mit aus textilen Fäden bestehendem Kerndraht

Also Published As

Publication number Publication date
AU8454298A (en) 1999-02-16
GB2327391B (en) 2001-06-13
GB9715451D0 (en) 1997-09-24
GB2327391A (en) 1999-01-27

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