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Patent US3860052A successfully refreshed from Google Patents.
US3860052A
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Cordless vehicle tire
Assignee: EIDP Inc
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Filing: 1972-01-11
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Granted: 1975-01-14
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Expires: 1992-01-11
Abstract
Abstract A cordless vehicle tire comprising an elastomeric polyetherester or polyurethane sidewall adhered to an elastomeric ethylene/propylene/non-conjugated diene polymer in the form of a tread, and a process for producing such tires.
Inventors
- 👤 Herman E Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:40
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/78; C08G63/80; B; B60; B60C; B60C5/00; B60C5/01; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/4825; C08G63/66; C08G63/668; C08G63/672; C08G2380/00; Y; Y10; Y10S; Y10S152/00; Y10S152/905; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31573; Y10T428/31587; Y10T428/31616; Y10T428/31855; Y10T428/31909; Y10T428/31924
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
53 words
A CORDLESS VEHICLE TIRE COMPRISING A COPOLYETHERESTER ELASTOMER SIDEWALL ADHERED TO A TREAD CONSISTING ESSENTIALLY OF AN ETHYLENE/PROPYLENE/NON-CONJUGATED DIENE COPOLYMER, SAID COPOLYETHERESTER CONSISTING ESSENTIALLY OF A MULTIPLICITY OF RECURRING LONG CHAIN ESTER UNITS AND SHORT CHAIN ESTER UNITS JOINED HEAD-TO-TAIL THROUGH ESTER LINKAGES, SAID LONG CHAIN ESTER UNITS BEING REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
53 words
A CORDLESS VEHICLE TIRE COMPRISING A COPOLYETHERESTER ELASTOMER SIDEWALL ADHERED TO A TREAD CONSISTING ESSENTIALLY OF AN ETHYLENE/PROPYLENE/NON-CONJUGATED DIENE COPOLYMER, SAID COPOLYETHERESTER CONSISTING ESSENTIALLY OF A MULTIPLICITY OF RECURRING LONG CHAIN ESTER UNITS AND SHORT CHAIN ESTER UNITS JOINED HEAD-TO-TAIL THROUGH ESTER LINKAGES, SAID LONG CHAIN ESTER UNITS BEING REPRESENTED BY THE FORMULA
Claim 3
Dependent Claim
15 words
A cordless vehicle tire of claim 1 wherein the tread polymer is an ethylene/propylene/1,4-hexadiene terpolymer.
Claim 4
Dependent Claim
22 words
A cordless vehicle tire of claim 1 wherein substantially all of the dicarboxylic acid used in making the copolyetherester is terephthalic acid.
Claim 5
Dependent Claim
23 words
A cordless vehicle tire of claim 1 wherein substantially all of the low molecular weight diol used in making the copolyetherester is 1,4-butanediol.
Claim 6
Dependent Claim
20 words
A cordless vehicle tire of claim 1 wherein the poly(alkylene oxide)glycol is poly(tetramethyleneoxide)-glycol having a molecular weight of about 600-2,000.
Claim 7
Dependent Claim
22 words
A cordless vehicle tire of claim 1 wherein the short chain ester units constitute about 50-85 percent by weight of the copolyetherester.
Claim 8
Dependent Claim
62 words
A cordless vehicle tire of claim 1 wherein the dicarboxylic acid component of the copolyetherester is about 70-100 mole percent terephthalic acid, about 0-30 mole percent isophthalic acid and about 0-30 mole percent phthalic acid; the poly(alkylene oxide)glycol component is poly(tetramethylene oxide)glycol having a molecular weight of about 600-2,000 and the diol component having a molecular weight less than 250 is 1,4-butanediol.
Claim 9
Dependent Claim
19 words
A cordless vehicle tire of Claim 1 wherein the ethylene/propylene/non-conjugated diene is pretreated to impart adhesiveness to the copolymer.
Claim 10
Dependent Claim
26 words
A cordless vehicle tire of claim 1 wherein the ethylene/propylene/nonconjugated diene copolymer is irradiated in air with ultraviolet light and then coated with an organic isocyanate.
Claim 11
Dependent Claim
90 words
A cordless vehicle tire comprising a copolyetherester elastomer sidewall adhered to a tread consisting essentially of cured ethylene/propylene/non-conjugated diene elastomer, containing about 80-125 parts by weight of carbon black per hundred parts diene elastomer and about 40-100 parts paraffinic or naphthenic petroleum oil per hundred parts diene elastomer, said tread pretreated to impart adhesiveness to the copolymer, said copolyetherester consisting essentially of a multiplicity of recurring long chain ester units and short chain ester units joined head-to-tail through ester linkages, said long chain ester units being represented by the formula
Claim 12
Dependent Claim
90 words
A cordless vehicle tire comprising a copolyetherester elastomer sidewall adhered to a tread consisting essentially of cured ethylene/propylene/non-conjugated diene elastomer, containing about 80-125 parts by weight of carbon black per hundred parts diene elastomer and about 40-100 parts paraffinic or naphthenic petroleum oil per hundred parts diene elastomer, said tread pretreated to impart adhesiveness to the copolymer, said copolyetherester consisting essentially of a multiplicity of recurring long chain ester units and short chain ester units joined head-to-tail through ester linkages, said long chain ester units being represented by the formula
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |