GB1418171A - Pneumatic tyres - Google Patents

Pneumatic tyres

Info

Publication number
GB1418171A
GB1418171A GB211973A GB211973A GB1418171A GB 1418171 A GB1418171 A GB 1418171A GB 211973 A GB211973 A GB 211973A GB 211973 A GB211973 A GB 211973A GB 1418171 A GB1418171 A GB 1418171A
Authority
GB
United Kingdom
Prior art keywords
grooves
blocks
circumferential
transverse grooves
transverse
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
GB211973A
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
Priority claimed from FR6925816A external-priority patent/FR2052204A5/fr
Application filed by Compagnie Generale des Etablissements Michelin SCA filed Critical Compagnie Generale des Etablissements Michelin SCA
Priority to GB211973A priority Critical patent/GB1418171A/en
Publication of GB1418171A publication Critical patent/GB1418171A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C11/0306Patterns comprising block rows or discontinuous ribs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/14Anti-skid inserts, e.g. vulcanised into the tread band
    • B60C11/16Anti-skid inserts, e.g. vulcanised into the tread band of plug form, e.g. made from metal, textile
    • B60C11/1625Arrangements thereof in the tread patterns, e.g. irregular

Landscapes

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

Abstract

1418171 Pneumatic tyres MICHELIN & CIE COMPAGNIE GENERALE DES ETABS MICHELIN 15 Jan 1973 2119/73 Addition to 1327471 Heading B7C A pneumatic tyre for use on roads covered with snow or ice, has a tread which comprises a central circumferential rib 1, two lateral circumferential ribs 14, 7, and two circumferential grooves 5, 6, each circumferential rib being formed by upstanding blocks, e.g. the blocks 2, 12, 15, 16, and having transverse grooves, e.g. the grooves 4, 10, 11, 17, extending into the circumferential ribs from the circumferential grooves, the transverse grooves being less deep than the circumferential grooves, and at least some transverse grooves extending completely across their respective lateral circumferential ribs. As shown, the circumferential grooves 5, 6 are of zig-zag form. The blocks 2 of the central circumferential rib 1 are separated by zig-zag cuts 2a and support one another. The transverse grooves 4 do not extend completely across the blocks 2 but leave uninterrupted portions 3. The blocks 12 of the lateral circumferential rib 7 are separated by transverse grooves 11; the blocks 12 are provided with transverse grooves 10 and recesses 13 for anti-skid spikes. The blocks 15, 16 of the lateral circumferential rib 14 are separated by transverse grooves 17 and provided with recesses 18 for anti-skid spikes. Some of the blocks 15, 16 may be provided with grooves similar to the grooves 10 in the blocks 12.
GB211973A 1969-07-28 1973-01-15 Pneumatic tyres Expired GB1418171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB211973A GB1418171A (en) 1969-07-28 1973-01-15 Pneumatic tyres

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR6925816A FR2052204A5 (en) 1969-07-28 1969-07-28
FR7020094A FR2097218A6 (en) 1969-07-28 1970-06-01
GB211973A GB1418171A (en) 1969-07-28 1973-01-15 Pneumatic tyres

Publications (1)

Publication Number Publication Date
GB1418171A true GB1418171A (en) 1975-12-17

Family

ID=27249183

Family Applications (1)

Application Number Title Priority Date Filing Date
GB211973A Expired GB1418171A (en) 1969-07-28 1973-01-15 Pneumatic tyres

Country Status (1)

Country Link
GB (1) GB1418171A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5309963A (en) * 1989-10-12 1994-05-10 Sumitomo Rubber Industries, Ltd. Pneumatic tire
US5616194A (en) * 1993-09-20 1997-04-01 Kumho & Co., Inc. Pneumatic radial tire having a tread pattern
CN104943478A (en) * 2014-03-25 2015-09-30 住友橡胶工业株式会社 Pneumatic tire
CN105459734A (en) * 2014-09-26 2016-04-06 住友橡胶工业株式会社 Pneumatic tyre

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5309963A (en) * 1989-10-12 1994-05-10 Sumitomo Rubber Industries, Ltd. Pneumatic tire
US5616194A (en) * 1993-09-20 1997-04-01 Kumho & Co., Inc. Pneumatic radial tire having a tread pattern
CN104943478A (en) * 2014-03-25 2015-09-30 住友橡胶工业株式会社 Pneumatic tire
CN104943478B (en) * 2014-03-25 2019-01-08 住友橡胶工业株式会社 Pneumatic tire
CN105459734A (en) * 2014-09-26 2016-04-06 住友橡胶工业株式会社 Pneumatic tyre
CN105459734B (en) * 2014-09-26 2019-06-11 住友橡胶工业株式会社 Pneumatic tire

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Legal Events

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