GB2014915A - Pneumatic tyre made from unreinforced elastic material - Google Patents

Pneumatic tyre made from unreinforced elastic material

Info

Publication number
GB2014915A
GB2014915A GB7906103A GB7906103A GB2014915A GB 2014915 A GB2014915 A GB 2014915A GB 7906103 A GB7906103 A GB 7906103A GB 7906103 A GB7906103 A GB 7906103A GB 2014915 A GB2014915 A GB 2014915A
Authority
GB
United Kingdom
Prior art keywords
tyre
point
wall
rotation
axis
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
GB7906103A
Other versions
GB2014915B (en
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.)
Compagnie Generale des Etablissements Michelin SCA
Original Assignee
Compagnie Generale des Etablissements Michelin SCA
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 Compagnie Generale des Etablissements Michelin SCA filed Critical Compagnie Generale des Etablissements Michelin SCA
Publication of GB2014915A publication Critical patent/GB2014915A/en
Application granted granted Critical
Publication of GB2014915B publication Critical patent/GB2014915B/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
    • B60C3/00—Tyres characterised by the transverse section
    • B60C3/04—Tyres characterised by the transverse section characterised by the relative dimensions of the section, e.g. low profile
    • 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
    • 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
    • B60C5/00—Inflatable pneumatic tyres or inner tubes
    • B60C5/01—Inflatable pneumatic tyres or inner tubes without substantial cord reinforcement, e.g. cordless tyres, cast tyres

Landscapes

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

Abstract

Pneumatic tyres made from elastic material with no reinforcements other than bead wires are constructed to substantially reduce or eliminate radial deformations at the top of the tyre by adopting a meridian profile of the inner wall for at least that part of the tyre n situated radially outside the points E in accordance with the equation: <IMAGE> in which: ' rho m' is the radius of the meridian curvature of a point (A) on the inner wall of the tyre, 'y' is the distance of the point A from the axis of rotation of the tyre measured parallel to the equatorial plane of the tyre, 'Re" is the distance of the point (E) of the inner wall, which is at a maximum distance from the equatorial plane, from the axis of rotation of the tyre measured parallel to the equatorial plane. ' phi ' is the angle formed by a tangent to the inner wall at point A with a line passing through point A parallel to the axis of rotation of the tyre. <IMAGE>
GB7906103A 1978-02-21 1979-02-21 Pneumatic tyre made from unreinforced elastic material Expired GB2014915B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7805153A FR2417403A1 (en) 1978-02-21 1978-02-21 PNEUMATIC IN NON-ARMORED ELASTIC MATERIAL

Publications (2)

Publication Number Publication Date
GB2014915A true GB2014915A (en) 1979-09-05
GB2014915B GB2014915B (en) 1982-10-13

Family

ID=9204933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7906103A Expired GB2014915B (en) 1978-02-21 1979-02-21 Pneumatic tyre made from unreinforced elastic material

Country Status (13)

Country Link
JP (1) JPS54122503A (en)
AU (1) AU525473B2 (en)
BE (1) BE874133A (en)
BR (1) BR7901137A (en)
CA (1) CA1105364A (en)
DE (1) DE2906780A1 (en)
ES (1) ES477865A1 (en)
FR (1) FR2417403A1 (en)
GB (1) GB2014915B (en)
IT (1) IT1118390B (en)
LU (1) LU80941A1 (en)
NL (1) NL7901354A (en)
SE (1) SE7901495L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5630893A (en) * 1993-12-16 1997-05-20 Sumitomo Rubber Industries Limited Pneumatic tire with specified tread curvature and/or specified breaker curvature

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701374A (en) * 1970-07-06 1972-10-31 Firestone Tire & Rubber Co Elastomeric articles free from reinforcing elements
FR2120421A5 (en) * 1970-12-30 1972-08-18 Michelin & Cie
ZA7259B (en) * 1971-01-16 1972-09-27 Dunlop Ltd Tyres
FR2314059A1 (en) * 1975-06-12 1977-01-07 Michelin & Cie UNREINFORCED TIRE ENCLOSURES
US4006767A (en) * 1975-10-08 1977-02-08 The Firestone Tire & Rubber Company Pneumatic tires

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5630893A (en) * 1993-12-16 1997-05-20 Sumitomo Rubber Industries Limited Pneumatic tire with specified tread curvature and/or specified breaker curvature
US5630892A (en) * 1993-12-16 1997-05-20 Sumitomo Rubber Industries Limited Pneumatic tire with specified tread curvature and/or specified breaker curvature

Also Published As

Publication number Publication date
FR2417403A1 (en) 1979-09-14
GB2014915B (en) 1982-10-13
IT1118390B (en) 1986-02-24
AU525473B2 (en) 1982-11-11
CA1105364A (en) 1981-07-21
AU4438979A (en) 1979-08-30
FR2417403B1 (en) 1980-09-05
BR7901137A (en) 1979-10-02
LU80941A1 (en) 1979-06-18
DE2906780A1 (en) 1979-08-23
SE7901495L (en) 1979-08-22
IT7967373A0 (en) 1979-02-20
BE874133A (en) 1979-05-29
JPS54122503A (en) 1979-09-22
ES477865A1 (en) 1979-08-01
NL7901354A (en) 1979-08-23

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Legal Events

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

Effective date: 19960221