Patent US2570752A successfully refreshed from Google Patents.
Patent US3236709A successfully refreshed from Google Patents.
US3236709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire recapping process
Assignee: Bridgestone Bandag LLC
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Filing: 1962-10-04
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Granted: 1966-02-22
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Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 Carver Roy James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:16
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/54; B29D30/542; B29D30/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
233 words
A METHOD OF RETARDING THE ROAD ENGAGING SUFACE OF A TIRE COMPRISING THE STEPS OF FORMING AN ASSEMBLY OF A TIRE CASING, A PREVULCANIZED TREAD SUPERIMPOSED ON THE PERIPHERIAL ROAD ENGAGING SURFACE OF SAID TIRE CASING, AND A BINDING MEDIUM BETWEEN SAID PERIPHERAL ROAD ENGAGING SURFACE OF SAID TIRE CASING AND SAID TREAD, ENCLOSING THE OUTSIDE OF SAID ASSEMBLY WITHIN A FLEXIBLE AIR-TIGHT COVER HAVING SIDE WALLS WHICH EXTEND OVER THE SHOULDERS OF SAID TIRE CASING, MOUNTING SAID TIRE CASING ON A RIM HAVING PERIPHERAL FLANGES ADAPTED TO ENGAGE SAID SHOULDERS, SAID COVER SIDE WALLS EXTENDING INTERMEDITE SAID SHOULDERS AND SAID FLANGES SO AS TO BE IN SEALING ENGAGEMENT THEREWITH, ESTABLISHING COMMUNICATION BETWEEN THE ATMOSPHERE AND THE SPACE INTERMDIATE SAID COVER AND SAID ASSEMBLY, INFLATING SAID TIRE CASING WITH A FLUID AT A PRESSURE GREATER THAN ATMOSPHERIC PRESSURE AND SIMULTANEOUSLY APPLYING TO THE OUTSIDE OF THE COVER A FLUID PRESSURE GREATER THAN ATMOSPHERIC PRESSURE BUT LESS THAN THE INFLATING PRESSURE, WHEREBY SAID COVER PRESSES AGAINST THE ASSEMBLY AT A PRESSURE EQUAL TO THE DIFFERENCE BETWEEN THE PRESSURE APPLIED TO SAID COVER AND ATMOSHERIC PRESSURE, AT LEAST IN THE REGION OF SAID TREAD TO EXPEL AIR ENTRAPPED BETWEEN SAID PERIPHERAL ROAD ENGAGING SURFACE AND SAID TREAD AND UNIFORMLY PRESS SAID TREAD AGAINST SAID PERIPHERAL ROAD ENGAGING SURFACE DURING BONDING OF SAID TREAD TO SAID PERIPHERAL ROAD ENGAGING SURFACE WITHOUT DEFORMATION OF SAID TIRE CASING.
Claim 2
Independent Claim
233 words
A METHOD OF RETARDING THE ROAD ENGAGING SUFACE OF A TIRE COMPRISING THE STEPS OF FORMING AN ASSEMBLY OF A TIRE CASING, A PREVULCANIZED TREAD SUPERIMPOSED ON THE PERIPHERIAL ROAD ENGAGING SURFACE OF SAID TIRE CASING, AND A BINDING MEDIUM BETWEEN SAID PERIPHERAL ROAD ENGAGING SURFACE OF SAID TIRE CASING AND SAID TREAD, ENCLOSING THE OUTSIDE OF SAID ASSEMBLY WITHIN A FLEXIBLE AIR-TIGHT COVER HAVING SIDE WALLS WHICH EXTEND OVER THE SHOULDERS OF SAID TIRE CASING, MOUNTING SAID TIRE CASING ON A RIM HAVING PERIPHERAL FLANGES ADAPTED TO ENGAGE SAID SHOULDERS, SAID COVER SIDE WALLS EXTENDING INTERMEDITE SAID SHOULDERS AND SAID FLANGES SO AS TO BE IN SEALING ENGAGEMENT THEREWITH, ESTABLISHING COMMUNICATION BETWEEN THE ATMOSPHERE AND THE SPACE INTERMDIATE SAID COVER AND SAID ASSEMBLY, INFLATING SAID TIRE CASING WITH A FLUID AT A PRESSURE GREATER THAN ATMOSPHERIC PRESSURE AND SIMULTANEOUSLY APPLYING TO THE OUTSIDE OF THE COVER A FLUID PRESSURE GREATER THAN ATMOSPHERIC PRESSURE BUT LESS THAN THE INFLATING PRESSURE, WHEREBY SAID COVER PRESSES AGAINST THE ASSEMBLY AT A PRESSURE EQUAL TO THE DIFFERENCE BETWEEN THE PRESSURE APPLIED TO SAID COVER AND ATMOSHERIC PRESSURE, AT LEAST IN THE REGION OF SAID TREAD TO EXPEL AIR ENTRAPPED BETWEEN SAID PERIPHERAL ROAD ENGAGING SURFACE AND SAID TREAD AND UNIFORMLY PRESS SAID TREAD AGAINST SAID PERIPHERAL ROAD ENGAGING SURFACE DURING BONDING OF SAID TREAD TO SAID PERIPHERAL ROAD ENGAGING SURFACE WITHOUT DEFORMATION OF SAID TIRE CASING.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |