IE38118L - Tyres, internal lubricant - Google Patents
Tyres, internal lubricantInfo
- Publication number
- IE38118L IE38118L IE731244A IE124473A IE38118L IE 38118 L IE38118 L IE 38118L IE 731244 A IE731244 A IE 731244A IE 124473 A IE124473 A IE 124473A IE 38118 L IE38118 L IE 38118L
- Authority
- IE
- Ireland
- Prior art keywords
- composition
- tyre
- lubricant
- volatile
- liquid
- 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
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/10—Internal lubrication
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
1443929 Lubricating tyre and wheel assemblies after tyre deflation DUNLOP Ltd 23 July 1973 [29 July 1972] 35576/72 Heading B7C A pneumatic tyre and wheel rim assembly comprises a lubricant composition for lubricating regions of the interior surface of the tyre which engage when the tyre is running in a deflated condition, e.g. as a result of a puncture. The composition comprises a blend of a non- volatile rubber-rubber lubricant and a mixture of volatile liquids which boil under a pressure of 760 mm at temperatures in the range 65C to 135C. (By "non-vclatile lubricant" is meant a lubricant which does not boil at the stated pressure under 160C and by "volatile liquid" is meant a liquid which boils at the stated pressure at or below 135C). The composition preferably includes a puncpuncture sealing material. When sealing of a puncture occurs the volatile liquids will partially reinflate the tyre. The viscosity of the lubricant at a temperature of 75C-130C is preferably in the range 5-2,000 centipoises, and the preferred viscosity of the lubricant and volatile liquids is 30-1,000 centipoises at 75C. Prior to deflation the composition or part of it may be retained as a gel, which breaks down under shear or by release of a dilatant when deflation occurs. The puncture sealing material may be chopped cotton, wool, asbestos or synthetic fibres of .0001 inch diameter and 0À1 inch length. Graphite, mica, or crumb rubber may be used with, or instead of, the fibrous material. Preferred volatile liquids are water and an alcohol (e.g. ethyl alcohol). The water may also contain non-volatile additives such as cellulose derivatives, e.g. carboxy methyl, cellulose, hydroxy ethyl cellulose; surface active agents--- cationic, acionic and non-ionic; and soaps. The 1.quid components of the composition are preferably miscible with water. The liquid components of the composition should not freeze at temperatures above - 20C and preferable - 50C. The composition may include a detergent and a defoaming agent. A dispersant may be used when fibres or other insoluble solids are present in the composition. The composition may include an antioxidant or other antidegradant, bactericide, wetting agent and viscosity index improver, and corrosion inhibitor, and preferably has a specific gravity less than 1.4. The composition may be loose within the tyre chamber or may be contained in enclosing means which release the composition on tyre deflation as disclosed in Specification 1,359,461. Preferably the composition is divided into two parts, the volatile liquids and a portion of the lubricant being enclosed as above, and the remainder of the lubricant being made into a gel and coated on the interior surface of the tyre. Any solid ingredients will then be carried by the gel. In one Example the tyre has a two ply, radial, rayon cord carcass, and a folded rayon cord breaker. The preferred composition includes as liquid - 231 mil of a poly(oxyalkylene) glycol, 46 mil water, and 23 mil 74 over proof ethyl alcohol. The viscosity of the liquid is approximately 300, 140 and 100 centipoises at 50, 70 and 135C respectively. The composition also includes 15 gms of shredded polythene film, and 1.5 gms of nylon fibres 1 mm long, denier 3.
[GB1443929A]
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3557672A GB1443929A (en) | 1972-07-29 | 1972-07-29 | Tyre and wheel assemblies |
Publications (2)
Publication Number | Publication Date |
---|---|
IE38118L true IE38118L (en) | 1974-01-29 |
IE38118B1 IE38118B1 (en) | 1978-01-04 |
Family
ID=10379270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE1244/73A IE38118B1 (en) | 1972-07-29 | 1973-07-20 | Improvements in or relating to tyre and wheel assemblies |
Country Status (20)
Country | Link |
---|---|
JP (1) | JPS49132702A (en) |
AR (1) | AR206686A1 (en) |
AT (1) | AT326503B (en) |
BE (1) | BE802794R (en) |
BR (1) | BR7305738D0 (en) |
CA (1) | CA993331A (en) |
CH (1) | CH602367A5 (en) |
DD (1) | DD119170A6 (en) |
DE (1) | DE2338599A1 (en) |
ES (1) | ES417361A2 (en) |
FR (1) | FR2208796B2 (en) |
GB (1) | GB1443929A (en) |
IE (1) | IE38118B1 (en) |
IN (1) | IN140026B (en) |
LU (1) | LU68109A1 (en) |
NL (1) | NL7310395A (en) |
PL (1) | PL105337B3 (en) |
SU (1) | SU703029A3 (en) |
ZA (1) | ZA735029B (en) |
ZM (1) | ZM11973A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI63693C (en) | 1976-02-13 | 1983-08-10 | Dunlop Ltd | I IHOPTRYCKT TILLSTAOND KOERDUGLIGT PNEUMATISKT DAECK |
DE2731275C2 (en) * | 1977-07-11 | 1982-04-01 | The General Tire & Rubber Co., 44329 Akron, Ohio | Lubricant for pneumatic tires |
US4212339A (en) | 1979-01-02 | 1980-07-15 | The Goodyear Tire & Rubber Company | Tire/wheel assembly with low molecular weight coolant-lubricant |
DE3014213A1 (en) * | 1980-04-14 | 1981-10-15 | Uniroyal Englebert Reifen GmbH, 5100 Aachen | EMERGENCY WHEEL |
US5226958A (en) * | 1991-04-11 | 1993-07-13 | Pacemark, Inc. | Sealant for pneumatic inner tubes and tubeless tires |
FR2953760B1 (en) | 2009-12-14 | 2013-01-11 | Michelin Soc Tech | PNEUMATIC BANDAGE WITH INTEGRATED SELF-SWITCHING LAYER |
RU2711880C1 (en) * | 2019-06-27 | 2020-01-23 | Общество с ограниченной ответственностью "НКонцепт" | Grease for safety tires |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1024935A (en) * | 1950-06-01 | 1953-04-08 | Process for automatically sealing perforations in air chambers and the like, and product for carrying out this process | |
US3511294A (en) * | 1967-12-18 | 1970-05-12 | Lockheed Aircraft Corp | Emergency tire inflation system |
-
1972
- 1972-07-29 GB GB3557672A patent/GB1443929A/en not_active Expired
-
1973
- 1973-01-01 AR AR249350A patent/AR206686A1/en active
- 1973-07-20 IE IE1244/73A patent/IE38118B1/en unknown
- 1973-07-20 CA CA177,004A patent/CA993331A/en not_active Expired
- 1973-07-24 ZA ZA735029A patent/ZA735029B/en unknown
- 1973-07-25 BE BE133866A patent/BE802794R/en active
- 1973-07-26 NL NL7310395A patent/NL7310395A/xx not_active Application Discontinuation
- 1973-07-27 PL PL1973164335A patent/PL105337B3/en unknown
- 1973-07-27 BR BR5738/73A patent/BR7305738D0/en unknown
- 1973-07-27 SU SU731954925A patent/SU703029A3/en active
- 1973-07-27 CH CH1102673A patent/CH602367A5/xx not_active IP Right Cessation
- 1973-07-27 LU LU68109A patent/LU68109A1/xx unknown
- 1973-07-28 ES ES417361A patent/ES417361A2/en not_active Expired
- 1973-07-28 IN IN1754/CAL/73A patent/IN140026B/en unknown
- 1973-07-30 JP JP48085750A patent/JPS49132702A/ja active Pending
- 1973-07-30 FR FR7327783A patent/FR2208796B2/fr not_active Expired
- 1973-07-30 DD DD172623A patent/DD119170A6/xx unknown
- 1973-07-30 ZM ZM119/73A patent/ZM11973A1/en unknown
- 1973-07-30 AT AT669473A patent/AT326503B/en not_active IP Right Cessation
- 1973-07-30 DE DE19732338599 patent/DE2338599A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
LU68109A1 (en) | 1973-10-03 |
DE2338599A1 (en) | 1974-02-07 |
BE802794R (en) | 1973-11-16 |
ZM11973A1 (en) | 1974-09-23 |
AR206686A1 (en) | 1976-08-13 |
BR7305738D0 (en) | 1974-08-29 |
ATA669473A (en) | 1975-02-15 |
FR2208796A2 (en) | 1974-06-28 |
PL105337B3 (en) | 1979-10-31 |
JPS49132702A (en) | 1974-12-19 |
ZA735029B (en) | 1974-06-26 |
AU5846173A (en) | 1975-01-30 |
GB1443929A (en) | 1976-07-28 |
DD119170A6 (en) | 1976-04-12 |
ES417361A2 (en) | 1977-06-16 |
CH602367A5 (en) | 1978-07-31 |
IE38118B1 (en) | 1978-01-04 |
AT326503B (en) | 1975-12-10 |
CA993331A (en) | 1976-07-20 |
SU703029A3 (en) | 1979-12-05 |
NL7310395A (en) | 1974-01-31 |
IN140026B (en) | 1976-09-04 |
FR2208796B2 (en) | 1978-01-20 |
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