Patent US3233020A successfully refreshed from Google Patents.
US3233020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making pneumatic tires with strength members of polyamide
Assignee: Continental AG
•
Filing: 1963-10-21
•
Granted: 1966-02-01
•
Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Meumann Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:36
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0633; B29D30/0643; B29C; B29C35/00; B29C35/02; B29C71/00; B29C71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A METHOD OF POST-TREATING A COMPLETELY VULCANIZED PNEUMATIC TIRE HAVING STRENGTH MEMBERS THEREIN SHRINKING UNDER THE INFLUENCE OF HEAT, ESPECIALLY STRENGTH MEMBERS OF POLYAMIDE AND POLYESTER, WHICH INCLUDES THE STEPS OF: AFTER THE TIRE TO BE TREATED HAS BEEN COMPLETELY VULCANIZED AND REMOVED FROM ITS VULCANIZING MOLD FILLING THE TIRE WITH A PRESSURE MEDIUM, AND HEATING THE TIRE IN THIS CONDITION TO A TEMPERATURE WITHIN THE RANGE OF FROM 80 TO 130*C. WHILE MAINTAINING THE THUS HEATED TIRE AT THE RESPECTIVE TEMPERATURE WITHIN SAID RANGE OVER A PERIOD OF FROM THREE MINUTES TO THREE HOURS, DEPENDING ON THE TIRE SIZE AND TIRE TYPE AND TREATING TEMPERATURE.
Claim 2
Independent Claim
106 words
A METHOD OF POST-TREATING A COMPLETELY VULCANIZED PNEUMATIC TIRE HAVING STRENGTH MEMBERS THEREIN SHRINKING UNDER THE INFLUENCE OF HEAT, ESPECIALLY STRENGTH MEMBERS OF POLYAMIDE AND POLYESTER, WHICH INCLUDES THE STEPS OF: AFTER THE TIRE TO BE TREATED HAS BEEN COMPLETELY VULCANIZED AND REMOVED FROM ITS VULCANIZING MOLD FILLING THE TIRE WITH A PRESSURE MEDIUM, AND HEATING THE TIRE IN THIS CONDITION TO A TEMPERATURE WITHIN THE RANGE OF FROM 80 TO 130*C. WHILE MAINTAINING THE THUS HEATED TIRE AT THE RESPECTIVE TEMPERATURE WITHIN SAID RANGE OVER A PERIOD OF FROM THREE MINUTES TO THREE HOURS, DEPENDING ON THE TIRE SIZE AND TIRE TYPE AND TREATING TEMPERATURE.
References Cited (Backward Citations)
US3039839A
Cited
US3040383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |