GB808481A - Pneumatic safety tyre - Google Patents

Pneumatic safety tyre

Info

Publication number
GB808481A
GB808481A GB3337854A GB3337854A GB808481A GB 808481 A GB808481 A GB 808481A GB 3337854 A GB3337854 A GB 3337854A GB 3337854 A GB3337854 A GB 3337854A GB 808481 A GB808481 A GB 808481A
Authority
GB
United Kingdom
Prior art keywords
tyre
tyres
rim
pneumatic safety
nov
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
GB3337854A
Inventor
Joseph Wright
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.)
Dunlop Rubber Co Ltd
Original Assignee
Dunlop Rubber Co Ltd
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 Dunlop Rubber Co Ltd filed Critical Dunlop Rubber Co Ltd
Priority to GB3337854A priority Critical patent/GB808481A/en
Priority to FR1135637D priority patent/FR1135637A/en
Publication of GB808481A publication Critical patent/GB808481A/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
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/01—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional inflatable supports which become load-supporting in emergency

Abstract

808,481. Pneumatic safety tyres. DUNLOP RUBBER CO. Ltd. Nov. 1, 1955 [Nov. 18, 1954], No. 33378/54. Class 144 (2). A pneumatic safety tyre assembly comprises two tyres constructed as described in Specification 786,162 and dimensioned so that one is nested within the other, on a common wheel rim, to leave an air-space therebetween. As shown the two tyres are tubeless with the edges of the inner tyre spaced from those of the outer tyre by rubber or metal spacers 11 which may be completely separate, or may be integral with either of the two tyres and, if desired, cemented to the other. For use on aircraft, each tyre has its own separate inflation valve and when mounted on a split rim, a sealing gasket 12 is located between the rim parts for airtightness. Fig. 3 shows a split well-based rim wherein the welt base 14 is axially offset from centre and seats the edges of the inner tyre so that one sidewall thereof abuts the adjacent edge of the outer tyre. This arrangement facilitates the provision of separate inflation valves. For road vehicle use, the two tyres may intercommunicate with the inner tyre only provided with an inflation valve.
GB3337854A 1954-11-18 1954-11-18 Pneumatic safety tyre Expired GB808481A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3337854A GB808481A (en) 1954-11-18 1954-11-18 Pneumatic safety tyre
FR1135637D FR1135637A (en) 1954-11-18 1955-11-17 Safety pneumatic tires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3337854A GB808481A (en) 1954-11-18 1954-11-18 Pneumatic safety tyre

Publications (1)

Publication Number Publication Date
GB808481A true GB808481A (en) 1959-02-04

Family

ID=10352156

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3337854A Expired GB808481A (en) 1954-11-18 1954-11-18 Pneumatic safety tyre

Country Status (2)

Country Link
FR (1) FR1135637A (en)
GB (1) GB808481A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2825677A1 (en) * 1977-06-17 1979-01-25 Firestone Tire & Rubber Co COMBINATION OF PNEUMATIC TIRE, RIM AND TROUBLE SUPPORT SYSTEM
USRE31273E (en) 1976-03-15 1983-06-14 Branick Mfg. Co. Curing rim
US20100206449A1 (en) * 2008-03-06 2010-08-19 Seng Gy Jang Vehicle Wheel Having Inner Tire And Outer Tire
CN110843424A (en) * 2018-08-03 2020-02-28 马鞍山市土豪鑫轮胎技术研发有限公司 Composite layer inner tube

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1169797B (en) * 1958-04-03 1964-05-06 Phoenix Gummiwerke Ag Tubeless tire
US4153095A (en) * 1977-09-14 1979-05-08 Uniroyal, Inc. Pneumatic tire having a pneumatic safety insert with beads
US4263953A (en) * 1979-01-15 1981-04-28 Uniroyal, Inc. Self-lubricating pneumatic insert for a pneumatic tire
FR2639289B1 (en) * 1988-11-23 1991-07-05 Hutter Maurice PUNCTABLE, UNDEJANTABLE AUTOMOTIVE WHEEL ASSEMBLY WITH CONSTANT USE PRESSURE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31273E (en) 1976-03-15 1983-06-14 Branick Mfg. Co. Curing rim
DE2825677A1 (en) * 1977-06-17 1979-01-25 Firestone Tire & Rubber Co COMBINATION OF PNEUMATIC TIRE, RIM AND TROUBLE SUPPORT SYSTEM
US20100206449A1 (en) * 2008-03-06 2010-08-19 Seng Gy Jang Vehicle Wheel Having Inner Tire And Outer Tire
CN110843424A (en) * 2018-08-03 2020-02-28 马鞍山市土豪鑫轮胎技术研发有限公司 Composite layer inner tube

Also Published As

Publication number Publication date
FR1135637A (en) 1957-05-02

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