GB515129A - Improvements in tyre treads and other non-slip surfaces, and in their production - Google Patents
Improvements in tyre treads and other non-slip surfaces, and in their productionInfo
- Publication number
- GB515129A GB515129A GB1737138A GB1737138A GB515129A GB 515129 A GB515129 A GB 515129A GB 1737138 A GB1737138 A GB 1737138A GB 1737138 A GB1737138 A GB 1737138A GB 515129 A GB515129 A GB 515129A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- mix
- rubber
- tyre treads
- strip
- 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
Links
Classifications
-
- 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)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
-
- 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
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
515,129. Tyre treads and other non-slip surfaces. DUNLOP RUBBER CO., Ltd., and WILSON, J. A. June 11, 1938, No. 17371. [Class 144 (ii)] [Also in Groups V and X] A non-slip surface for tyre treads and other purposes is produced. as follows. A composite strip is first formed by superpusing a layer 2 of fast-vulcanizing rubber mix on a layer 1 of relatively slow mix and vulcanized to cure the layer 2 and only partially cure the layer 1. The composite strip is then superposed on a base 3, also of slow-vulcanizable mix, and the exposed surface of the layer 2 chemically treated, as by hydrochloric, nitric, or sulphuric acid, chlorine, or other halogen element or oxides of nitrogen, to render this surface of weakened adhesion to rubber. After forming perforations 5 through the layers, 2, 1, the strip is cut into blocks 6. The latter are then turned over into the positions shown in Fig. 3, assembled to form a continuous length and vulcanized under pressure to produce the finished material, shown in Fig. 4, having zones of weakened adhesion which, when the material is stretched in use, result in the formation of slits 10, Fig. 5, at the wearing surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1737138A GB515129A (en) | 1938-06-11 | 1938-06-11 | Improvements in tyre treads and other non-slip surfaces, and in their production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1737138A GB515129A (en) | 1938-06-11 | 1938-06-11 | Improvements in tyre treads and other non-slip surfaces, and in their production |
Publications (1)
Publication Number | Publication Date |
---|---|
GB515129A true GB515129A (en) | 1939-11-27 |
Family
ID=10094026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1737138A Expired GB515129A (en) | 1938-06-11 | 1938-06-11 | Improvements in tyre treads and other non-slip surfaces, and in their production |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB515129A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0213452A2 (en) * | 1985-08-30 | 1987-03-11 | Uniroyal Englebert Reifen GmbH | Pneumatic vehicle tyre |
FR2759321A1 (en) * | 1997-02-12 | 1998-08-14 | Michelin & Cie | MANUFACTURING PROCESS AND TREAD MOLD |
US6263934B1 (en) * | 1998-07-03 | 2001-07-24 | Michelin Recherche Et Technique S.A. | Tire tread comprising incisions bounding rubber studs |
US6484772B1 (en) * | 1997-02-12 | 2002-11-26 | Compagnie Générale des Establissements Michelin-Michelin & Cie | Tread pattern and method of manufacture |
US6874552B2 (en) * | 2000-02-17 | 2005-04-05 | Michelin Recherche Et Technique S.A. | Tread having offset first and second incisions |
-
1938
- 1938-06-11 GB GB1737138A patent/GB515129A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0213452A2 (en) * | 1985-08-30 | 1987-03-11 | Uniroyal Englebert Reifen GmbH | Pneumatic vehicle tyre |
EP0213452A3 (en) * | 1985-08-30 | 1988-02-10 | Uniroyal Englebert Reifen GmbH | Pneumatic vehicle tyre |
FR2759321A1 (en) * | 1997-02-12 | 1998-08-14 | Michelin & Cie | MANUFACTURING PROCESS AND TREAD MOLD |
EP0858875A1 (en) * | 1997-02-12 | 1998-08-19 | Compagnie Générale des Etablissements MICHELIN-MICHELIN & CIE | Method of manufacturing a tyre tread and mould to be used in this method |
US6484772B1 (en) * | 1997-02-12 | 2002-11-26 | Compagnie Générale des Establissements Michelin-Michelin & Cie | Tread pattern and method of manufacture |
US6263934B1 (en) * | 1998-07-03 | 2001-07-24 | Michelin Recherche Et Technique S.A. | Tire tread comprising incisions bounding rubber studs |
US6874552B2 (en) * | 2000-02-17 | 2005-04-05 | Michelin Recherche Et Technique S.A. | Tread having offset first and second incisions |
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