Patent US3422874A successfully refreshed from Google Patents.
US3422874A
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US
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Tire and method of making it by applying strip of rubber coated continuous tire cord of low extensibility to the carcass in flat form and simultaneously shaping and vulcanizing to final tire shape
Assignee: Deering Milliken Research Corp
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Filing: 1965-10-18
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Granted: 1969-01-21
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Edward W Weitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:09
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/38; B29D30/40; B29D30/08; B29D30/20; B29D30/22; B60; B60C; B60C9/00; B60C9/0042; B60C9/02; B60C9/023; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765; Y10T152/10783
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
112 words
A METHOD OF MAKING A PNEUMATIC TIRE INCLUDING THE STEPS OF FORMING A TIRE CARCASS IN FLAT BAND FORM, APPLYING AN EXTENSIBLE BREAKER STRIP TO SAID CARCASS, SAID BREAKER STRIP COMPRISING RUBBER COATED CONTINUOUS TIRE CORD OF LOW EXTENSIBILITY DISPOSED IN A PATTERN ACROSS THE WIDTH OF SAID STRIP FROM ONE SIDE TO THE OTHER WITH REVERSALS AT THE EDGES OF THE STRIP, APPLYING SIDEWALL AND TREAD-FORMING GREEN RUBBER OVER SAID CARCASS AND BREAKER STRIP ASSEMBLY IN A FLAT BAND FORM OF SUBSTANTIALLY SMALLER DIAMETER THAN THE FINAL FORM OF SAID TIRE, SHAPING AND VUCANIZING THE ASSEMBLY IN THE FORM OF A TORUS UNDER HEAT AND PRESSURE, AND SIMULTANEOUSLY SUBSTANTIALLY INCREASING THE
Claim 2
Independent Claim
112 words
A METHOD OF MAKING A PNEUMATIC TIRE INCLUDING THE STEPS OF FORMING A TIRE CARCASS IN FLAT BAND FORM, APPLYING AN EXTENSIBLE BREAKER STRIP TO SAID CARCASS, SAID BREAKER STRIP COMPRISING RUBBER COATED CONTINUOUS TIRE CORD OF LOW EXTENSIBILITY DISPOSED IN A PATTERN ACROSS THE WIDTH OF SAID STRIP FROM ONE SIDE TO THE OTHER WITH REVERSALS AT THE EDGES OF THE STRIP, APPLYING SIDEWALL AND TREAD-FORMING GREEN RUBBER OVER SAID CARCASS AND BREAKER STRIP ASSEMBLY IN A FLAT BAND FORM OF SUBSTANTIALLY SMALLER DIAMETER THAN THE FINAL FORM OF SAID TIRE, SHAPING AND VUCANIZING THE ASSEMBLY IN THE FORM OF A TORUS UNDER HEAT AND PRESSURE, AND SIMULTANEOUSLY SUBSTANTIALLY INCREASING THE
Claim 3
Dependent Claim
11 words
A PNEUMATIC TIRE MADE ACCORDING TO THE METHOD OF CLAIM 1.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |