GB1314477A - Pneumatic tyre - Google Patents

Pneumatic tyre

Info

Publication number
GB1314477A
GB1314477A GB2915671A GB2915671A GB1314477A GB 1314477 A GB1314477 A GB 1314477A GB 2915671 A GB2915671 A GB 2915671A GB 2915671 A GB2915671 A GB 2915671A GB 1314477 A GB1314477 A GB 1314477A
Authority
GB
United Kingdom
Prior art keywords
cords
stainless steel
less
corrosion
breaker
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.)
Expired
Application number
GB2915671A
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.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
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 Bridgestone Corp filed Critical Bridgestone Corp
Publication of GB1314477A publication Critical patent/GB1314477A/en
Expired 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
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
    • 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
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C9/2003—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords
    • B60C9/2006—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords consisting of steel cord plies only

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Tires In General (AREA)

Abstract

1314477 Breaker assemblies for pneumatic tyres BRIDGESTONE TIRE KK 22 June 1971 [22 June 1970] 29156/71 Heading B7C [Also in Division C7] A pneumatic tyre has a breaker 5 disposed between a carcass 3 and tread rubber 4, the breaker being reinforced by metallic cords 6, at least the radially outermost layer of cords 7 being made wholly of a metal which is resistant to corrosion by air and moisture, such that in use cord failure due to corrosion by air and moisture seeping through cracks in the tread rubber 4 is prevented. The corrosion resistant cords 7 may be made of stainless steel, and the stainless steel used may comprise from 9 to 26% chromium, from 6 to 31% nickel, less than 1À2% carbon, less than 2% silicon, less than 3% manganese, less than 0À5% phosphorus, not more than 0À2% sulphur, and an amount of molybdenum and copper sufficient to enhance the corrosion resistance of the steel, the balance being iron, all percentages being by weight. The stainless steel cords may be made by twisting together several stainless steel wires, each having a diameter between 0À1 and 0À4 mm. The corrosion resistant cords are preferably coated with rubber and may be plated with brass prior to coating in order to improve bonding between the cord and the rubber.
GB2915671A 1970-06-22 1971-06-22 Pneumatic tyre Expired GB1314477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5347970 1970-06-22

Publications (1)

Publication Number Publication Date
GB1314477A true GB1314477A (en) 1973-04-26

Family

ID=12943969

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2915671A Expired GB1314477A (en) 1970-06-22 1971-06-22 Pneumatic tyre

Country Status (2)

Country Link
FR (1) FR2096405B1 (en)
GB (1) GB1314477A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225301A (en) * 1975-08-14 1977-02-25 Toyo Tire & Rubber Co Ltd Penumatic tire

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52116503A (en) * 1976-02-13 1977-09-30 Bridgestone Corp Structure for reinforcing tread of penumatic radial tire for heavy loa d
JPS52116504A (en) * 1976-03-26 1977-09-30 Bridgestone Corp Pneumatic tire having superior side endurability against breakage with coil filament as reinforcing element for wild ground
JPS52131304A (en) * 1976-04-28 1977-11-04 Bridgestone Corp Pneumatic radial tire having coiled filament belt reinforcement layer
JPS52131303A (en) * 1976-04-28 1977-11-04 Bridgestone Corp Pneumatic radial tire having belts of coiled filament reinforcement layer
NL8503122A (en) * 1985-11-13 1987-06-01 Bekaert Sa Nv METHOD FOR MANUFACTURING A HEEL CORE ELEMENT; SUCH HEEL CORE ELEMENTS INCLUDING HEEL CORE AND TIRES WITH ONE OR MORE OF SUCH HEEL CORE.
FR2711149A1 (en) 1993-10-15 1995-04-21 Michelin & Cie Stainless steel wire for tire casing carcass.
FR2725730A1 (en) * 1994-10-12 1996-04-19 Michelin & Cie STAINLESS STEEL WIRE FOR STRENGTHENING THE SUMMIT OF PNEUMATIC ENVELOPES
FR2778188B1 (en) * 1998-04-29 2000-06-02 Ugine Savoie Sa STAINLESS STEEL FOR MAKING DRAWN WIRE IN PARTICULAR TIRE REINFORCEMENT WIRE AND METHOD FOR MAKING THE SAME WIRE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE655592A (en) * 1964-11-12
US3379000A (en) * 1965-09-15 1968-04-23 Roehr Prod Co Inc Metal filaments suitable for textiles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225301A (en) * 1975-08-14 1977-02-25 Toyo Tire & Rubber Co Ltd Penumatic tire
JPS5442481B2 (en) * 1975-08-14 1979-12-14

Also Published As

Publication number Publication date
FR2096405B1 (en) 1974-03-08
FR2096405A1 (en) 1972-02-18

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee