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FR2277688A2 - Cable reinforcement of folded tyre shoulder stiffening plies - to enhance stiffness of the tyre shoulders - Google Patents

Cable reinforcement of folded tyre shoulder stiffening plies - to enhance stiffness of the tyre shoulders

Info

Publication number
FR2277688A2
FR2277688A2 FR7423833A FR7423833A FR2277688A2 FR 2277688 A2 FR2277688 A2 FR 2277688A2 FR 7423833 A FR7423833 A FR 7423833A FR 7423833 A FR7423833 A FR 7423833A FR 2277688 A2 FR2277688 A2 FR 2277688A2
Authority
FR
France
Prior art keywords
tyre
plies
folded
shoulders
cable reinforcement
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.)
Granted
Application number
FR7423833A
Other languages
French (fr)
Other versions
FR2277688B2 (en
Inventor
Henri Mirtain
Andre Devienne
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.)
Uniroyal SA
Original Assignee
Uniroyal SA
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 Uniroyal SA filed Critical Uniroyal SA
Priority to FR7423833A priority Critical patent/FR2277688A2/en
Priority to BE157230A priority patent/BE830115R/en
Priority to DE19752527644 priority patent/DE2527644A1/en
Publication of FR2277688A2 publication Critical patent/FR2277688A2/en
Application granted granted Critical
Publication of FR2277688B2 publication Critical patent/FR2277688B2/fr
Granted 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
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/26—Folded plies
    • 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)
    • B29D30/70—Annular breakers
    • 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
    • B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
    • B60C13/009—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof comprising additional bead cores in the sidewall

Landscapes

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

Abstract

The parent patent describes tyres incorporation folded layers of reinforcement plies extending from the upper regions of the sidewalls into the matrix between the carcass reinforcement plies and the sub-tread reinforcement plies. In this Addn. Patent the extra plies are further reinforced by enclosure in the apex of the folds of hoops of reinforcing cables. The construction gives greater relative enhancement of the tyre stiffness as the outer regions of the sidewalls, to improve tyre rigidity and reduce 'floating' at high speeds or when cornering, esp. for radial ply tyres.
FR7423833A 1974-07-09 1974-07-09 Cable reinforcement of folded tyre shoulder stiffening plies - to enhance stiffness of the tyre shoulders Granted FR2277688A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7423833A FR2277688A2 (en) 1974-07-09 1974-07-09 Cable reinforcement of folded tyre shoulder stiffening plies - to enhance stiffness of the tyre shoulders
BE157230A BE830115R (en) 1974-07-09 1975-06-11 RADICAL CARCASS TIRE CASE WITH REINFORCED SIDES
DE19752527644 DE2527644A1 (en) 1974-07-09 1975-06-20 VEHICLE TIRES WITH RADIAL LAYER CARCASS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7423833A FR2277688A2 (en) 1974-07-09 1974-07-09 Cable reinforcement of folded tyre shoulder stiffening plies - to enhance stiffness of the tyre shoulders

Publications (2)

Publication Number Publication Date
FR2277688A2 true FR2277688A2 (en) 1976-02-06
FR2277688B2 FR2277688B2 (en) 1977-11-18

Family

ID=9141066

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7423833A Granted FR2277688A2 (en) 1974-07-09 1974-07-09 Cable reinforcement of folded tyre shoulder stiffening plies - to enhance stiffness of the tyre shoulders

Country Status (3)

Country Link
BE (1) BE830115R (en)
DE (1) DE2527644A1 (en)
FR (1) FR2277688A2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2317111A1 (en) * 1975-06-25 1977-02-04 Continental Gummi Werke Ag VEHICLE WHEEL EQUIPPED WITH A TIRE
FR2503053A1 (en) * 1981-04-03 1982-10-08 Michelin & Cie RADIAL CARCASS PNEUMATIC TIRE FOR HEAVY LOADS
FR2617087A1 (en) * 1987-06-26 1988-12-30 Bridgestone Corp PROCESS FOR MANUFACTURING BELTS FOR TIRES
US7278458B2 (en) 2003-03-03 2007-10-09 Michelin Recherche Et Technique, S.A. Tire with a reinforced sidewall and fabrication process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2317111A1 (en) * 1975-06-25 1977-02-04 Continental Gummi Werke Ag VEHICLE WHEEL EQUIPPED WITH A TIRE
FR2503053A1 (en) * 1981-04-03 1982-10-08 Michelin & Cie RADIAL CARCASS PNEUMATIC TIRE FOR HEAVY LOADS
FR2617087A1 (en) * 1987-06-26 1988-12-30 Bridgestone Corp PROCESS FOR MANUFACTURING BELTS FOR TIRES
US7278458B2 (en) 2003-03-03 2007-10-09 Michelin Recherche Et Technique, S.A. Tire with a reinforced sidewall and fabrication process

Also Published As

Publication number Publication date
BE830115R (en) 1975-12-11
DE2527644A1 (en) 1976-01-29
FR2277688B2 (en) 1977-11-18

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