GB491139A - Improvements in or relating to pneumatic tyres for road vehicle wheels - Google Patents

Improvements in or relating to pneumatic tyres for road vehicle wheels

Info

Publication number
GB491139A
GB491139A GB13981/38A GB1398138A GB491139A GB 491139 A GB491139 A GB 491139A GB 13981/38 A GB13981/38 A GB 13981/38A GB 1398138 A GB1398138 A GB 1398138A GB 491139 A GB491139 A GB 491139A
Authority
GB
United Kingdom
Prior art keywords
relating
vehicle wheels
road vehicle
cavities
pneumatic tyres
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
GB13981/38A
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.)
Pirelli and C SpA
Original Assignee
Pirelli SpA
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 Pirelli SpA filed Critical Pirelli SpA
Publication of GB491139A publication Critical patent/GB491139A/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
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/032—Patterns comprising isolated recesses

Landscapes

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

Abstract

491,139. Wheel tyres. SOC. ITALIANA PIRELLI. May 10, 1938, No. 13981. Convention date, June 21, 1937. [Class 144 (ii)] A pneumatic tyre tread comprising non-communicating cavities 1 is provided with incisions 3 extending from the walls of the cavities towards, or connecting, adjacent cavities. The incisions are of the kind produced by the means described in Specifications 478,102, [Group V], and 478,103. It is stated that the actual roadcontacting surface 2 should be not less than 65 per cent of the total tread area.
GB13981/38A 1937-06-21 1938-05-10 Improvements in or relating to pneumatic tyres for road vehicle wheels Expired GB491139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT491139X 1937-06-21

Publications (1)

Publication Number Publication Date
GB491139A true GB491139A (en) 1938-08-26

Family

ID=11269681

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13981/38A Expired GB491139A (en) 1937-06-21 1938-05-10 Improvements in or relating to pneumatic tyres for road vehicle wheels

Country Status (1)

Country Link
GB (1) GB491139A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484335A1 (en) * 1979-08-18 1981-12-18 Continental Gummi Werke Ag TREAD SCULPTURE FOR TIRE OF MOTOR VEHICLE
EP0075111A2 (en) * 1981-09-19 1983-03-30 Continental Aktiengesellschaft Tread pattern for pneumatic tyres
FR2548097A1 (en) * 1983-06-16 1985-01-04 Michelin & Cie Tread strip for a tyre and for elastic tread
EP0255815A2 (en) * 1986-07-07 1988-02-10 Semperit Reifen Aktiengesellschaft Tread pattern
US5924464A (en) * 1996-03-29 1999-07-20 Michelin Recherche Et Technique, S.A. Tire having flow isolating grooves
FR2956356A1 (en) * 2010-02-12 2011-08-19 Michelin Soc Tech TIRE FOR TWO - WHEELED VEHICLES COMPRISING A BEARING BAND HAVING A CIRCONFERENTIALLY CONTINUOUS CUT.
FR2956357A1 (en) * 2010-02-12 2011-08-19 Michelin Soc Tech TIRE FOR TWO - WHEELED VEHICLES COMPRISING A BEARING BAND HAVING INCISIONS.

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484335A1 (en) * 1979-08-18 1981-12-18 Continental Gummi Werke Ag TREAD SCULPTURE FOR TIRE OF MOTOR VEHICLE
EP0075111A2 (en) * 1981-09-19 1983-03-30 Continental Aktiengesellschaft Tread pattern for pneumatic tyres
EP0075111A3 (en) * 1981-09-19 1984-04-25 Continental Gummi-Werke Aktiengesellschaft Tread pattern for pneumatic tyres
FR2548097A1 (en) * 1983-06-16 1985-01-04 Michelin & Cie Tread strip for a tyre and for elastic tread
EP0255815A2 (en) * 1986-07-07 1988-02-10 Semperit Reifen Aktiengesellschaft Tread pattern
EP0255815A3 (en) * 1986-07-07 1989-01-04 Semperit Reifen Aktiengesellschaft Tread pattern
US5924464A (en) * 1996-03-29 1999-07-20 Michelin Recherche Et Technique, S.A. Tire having flow isolating grooves
FR2956356A1 (en) * 2010-02-12 2011-08-19 Michelin Soc Tech TIRE FOR TWO - WHEELED VEHICLES COMPRISING A BEARING BAND HAVING A CIRCONFERENTIALLY CONTINUOUS CUT.
FR2956357A1 (en) * 2010-02-12 2011-08-19 Michelin Soc Tech TIRE FOR TWO - WHEELED VEHICLES COMPRISING A BEARING BAND HAVING INCISIONS.
US20130206296A1 (en) * 2010-02-12 2013-08-15 Michelin Recherche Et Technique S.A. Tire for Two-Wheeled Vehicles, Comprising a Tread Having a Circumferentially Continuous Groove
US9446628B2 (en) 2010-02-12 2016-09-20 Compagnie Generale Des Etablissements Michelin Tire for two-wheeled vehicles, including a tread having sipes
US9937754B2 (en) 2010-02-12 2018-04-10 Compagnie Generale Des Etablissements Michelin Tire for two-wheeled vehicles, comprising a tread having a circumferentially continuous groove

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