US4135565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recapped pneumatic tire
Assignee: Uniroyal GmbH
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Filing: 1976-11-29
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Granted: 1979-01-23
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Expires: 1996-11-29
Abstract
Abstract A pneumatic tire having a radial carcass and at least two plies of steel cord belts as constituents of the reusable tire body has recap components that include an unvulcanized reinforcement belt having rubberized textile cord elements oriented parallel with respect to the equatorial plane of the tire. The textile cord reinforcement belt is wound around the tire under tension and an unvulcanized tread strip is applied thereover. Subsequent vulcanization assures a firm bond between the recap components and the used tire body.
Inventors
- 👤 Sjirk van der Burg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:23
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/54; B60; B60C; B60C9/00; B60C9/18; B60C9/20; B60C9/2003; B60C9/2009; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765; Y10T152/10801
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
173 words
A recapped pneumatic tire construction comprising a used tire body having a radial carcass and a first circumferential reinforcement belt formed with steel cords at angles between 10° and 30°, a stripped circumferential recapping surface at the periphery of said used tire body, a second reinforcement belt wound under a predetermined tension around said recapping surface for at least one full winding in spiral arrangement to provide overlapping end portions, said second reinforcement belt being unvulcanized and including heat shrinkable rubberized textile cord elements having a predetermined shrinkage at vulcanization temperatures, said textile cord elements being oriented parallel to the equatorial plane of the tire, and an unvulcanized tread strip applied around said recapping surface over said second reinforcement belt, and wherein said second reinforcing belt comprises a strip having full width for at least one full winding and an additional predetermined length of strip subdivided into two spaced marginal strips continuous with said full width strip, and wherein the overlapping end portions of said second reinforcement overlap approximately 10 to 30 mm.
Claim 2
Dependent Claim
173 words
A recapped pneumatic tire construction comprising a used tire body having a radial carcass and a first circumferential reinforcement belt formed with steel cords at angles between 10° and 30°, a stripped circumferential recapping surface at the periphery of said used tire body, a second reinforcement belt wound under a predetermined tension around said recapping surface for at least one full winding in spiral arrangement to provide overlapping end portions, said second reinforcement belt being unvulcanized and including heat shrinkable rubberized textile cord elements having a predetermined shrinkage at vulcanization temperatures, said textile cord elements being oriented parallel to the equatorial plane of the tire, and an unvulcanized tread strip applied around said recapping surface over said second reinforcement belt, and wherein said second reinforcing belt comprises a strip having full width for at least one full winding and an additional predetermined length of strip subdivided into two spaced marginal strips continuous with said full width strip, and wherein the overlapping end portions of said second reinforcement overlap approximately 10 to 30 mm.
Claim 3
Dependent Claim
24 words
A recapped pneumatic tire construction as claimed in claim 1 wherein said second reinforcement is approximately ±30 mm. as wide as said first reinforcement.
Claim 4
Dependent Claim
22 words
A recapped pneumatic tire construction as claimed in claim 1 wherein the textile cords of said second reinforcement are formed of rayon.
Claim 5
Dependent Claim
22 words
A recapped pneumatic tire construction as claimed in claim 1 wherein the textile cords of said second reinforcement are formed of nylon.
Claim 6
Dependent Claim
22 words
A recapped pneumatic tire construction as claimed in claim 1 wherein the textile cords of said second reinforcement are formed of fiberglass.
Claim 7
Dependent Claim
41 words
A recapped pneumatic tire construction as claimed in claim 1 wherein said first reinforcement comprises two plies and wherein the angular orientation of cords in one of said plies intersects with the angular orientation of cords in the other said ply.
Claim 8
Dependent Claim
35 words
A recapped pneumatic tire construction as claimed in claim 1 wherein a residue of used tire rubber is left on said used tire body between said first reinforcement belt and said stripped circumferential recapping surface.
Claim 9
Dependent Claim
33 words
A recapped pneumatic tire construction as claimed in claim 1 wherein the first reinforcement belt is exposed at the stripped circumferential recapping surface such that said first and second reinforcements are in contact.
Claim 10
Dependent Claim
43 words
A recapped pneumatic tire construction as claimed in claim 1 wherein the rubberized textile cord elements of the second reinforcement are longitudinally elongated by 1 to 5% with respect to their rest position to establish said predetermined winding tension around said recapping surface.
Claim 11
Dependent Claim
29 words
A recapped pneumatic tire as claimed in claim 1 wherein said second reinforcement is disposed on said tire body symmetrical with respect to the equatorial plane of said tire.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-01-22 | 1982-07-24 | 1983-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-22 | 1986-07-24 | 1987-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-22 | 1990-07-24 | 1991-01-23 | $7700.00 | Window Closed / Lapsed |