NO924950D0 - COVER WITH BLOCK PATTERNS - Google Patents
COVER WITH BLOCK PATTERNSInfo
- Publication number
- NO924950D0 NO924950D0 NO924950A NO924950A NO924950D0 NO 924950 D0 NO924950 D0 NO 924950D0 NO 924950 A NO924950 A NO 924950A NO 924950 A NO924950 A NO 924950A NO 924950 D0 NO924950 D0 NO 924950D0
- Authority
- NO
- Norway
- Prior art keywords
- grooves
- axial
- groove
- circumferential
- depth
- Prior art date
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
- B60C11/0306—Patterns comprising block rows or discontinuous ribs
- B60C11/0309—Patterns comprising block rows or discontinuous ribs further characterised by the groove cross-section
-
- 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
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
-
- 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
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1259—Depth of the sipe
- B60C11/1263—Depth of the sipe different within the same sipe
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Tread comprises (i) two wide main circumferential grooves having axial grooves extending therebetween divide the tread portion into at least three rows of blocks; (ii) a series of 1st sipes, narrower than the circumferential and axial grooves, are provided in the tread surface, (iii) the depth of the axial grooves is 0.2 0.5 times the depth of the circumferential grooves, (iv) each axial groove has in its bottom face a 2nd sipe having a width of 0.2 to 1.1mm, (v) each 2nd sipe extends centrally in the axial groove, has a length between 0.7 and 1.0 times the groove length and terminates, within the groove, and the total of the depths of the axial groove and the second sipe is not more than 0.7 times the depth of the circumferential grooves. The axial grooves may be inclined at not more than 30 deg. w.r.t. the tyre axial direction. A pair of narrow zigzag circumferential grooves (3a) may be provided between the wide straight circumferential grooves (3b). The central portion of the axial grooves may comprise narrow grooves (6a) alternating with wider grooves (7a), the wider grooves (7a) having the same depth (P) as the adjacent circumferential groove (3a), and the narrow grooves (6a) being shallower than this depth (P).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3359471A JPH05178031A (en) | 1991-12-26 | 1991-12-26 | Pneumatic tire |
JP35947291A JP3145762B2 (en) | 1991-12-26 | 1991-12-26 | Pneumatic tire |
Publications (4)
Publication Number | Publication Date |
---|---|
NO924950D0 true NO924950D0 (en) | 1992-12-21 |
NO924950L NO924950L (en) | 1993-06-28 |
NO177491B NO177491B (en) | 1995-06-19 |
NO177491C NO177491C (en) | 1995-09-27 |
Family
ID=26580976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO924950A NO177491C (en) | 1991-12-26 | 1992-12-21 | Tire with block pattern |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA2084741C (en) |
FI (1) | FI103334B (en) |
NO (1) | NO177491C (en) |
SE (1) | SE505583C2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3079026B2 (en) * | 1995-11-15 | 2000-08-21 | 住友ゴム工業株式会社 | studless tire |
JP3136101B2 (en) * | 1996-09-19 | 2001-02-19 | 住友ゴム工業株式会社 | Pneumatic tire |
IT1289182B1 (en) * | 1997-01-20 | 1998-09-29 | Pirelli | TIRE WITH LOW ROLLING RESISTANCE IN PARTICULAR FOR DRIVE WHEELS OF HEAVY VEHICLES |
GB9814102D0 (en) * | 1998-06-30 | 1998-08-26 | Sumitomo Rubber Ind | Improvements to tyres |
JP3076553B2 (en) * | 1998-12-21 | 2000-08-14 | 住友ゴム工業株式会社 | Heavy duty tire |
-
1992
- 1992-12-02 SE SE9203627A patent/SE505583C2/en not_active IP Right Cessation
- 1992-12-07 CA CA002084741A patent/CA2084741C/en not_active Expired - Fee Related
- 1992-12-16 FI FI925726A patent/FI103334B/en not_active IP Right Cessation
- 1992-12-21 NO NO924950A patent/NO177491C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI103334B1 (en) | 1999-06-15 |
NO177491B (en) | 1995-06-19 |
NO924950L (en) | 1993-06-28 |
FI103334B (en) | 1999-06-15 |
CA2084741C (en) | 2003-04-22 |
SE9203627D0 (en) | 1992-12-02 |
SE9203627L (en) | 1993-06-27 |
NO177491C (en) | 1995-09-27 |
FI925726A (en) | 1993-06-27 |
CA2084741A1 (en) | 1993-06-27 |
SE505583C2 (en) | 1997-09-15 |
FI925726A0 (en) | 1992-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |