US3258833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making rims for vehicle wheels having pneumatic tires
Assignee: Kronprinz GmbH
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Filing: 1961-12-15
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Granted: 1966-07-05
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Expires: 1981-12-15
Abstract
No abstract record available.
Inventors
- 👤 Schuttler Artur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:44
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/26; B21D53/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49524; Y10T29/49529
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF MANUFACTURING A RIM FOR PNEUMATICTIRED VEHICLE WHEELS BY DEFORMATION OF A SHEET METAL RING, CONSISTING IN FIRST SHAPING FROM A SHEET METAL RING OF CORRESPONDING WIDTH AN AXIALLY ABRIDGED RIM PROFILE HAVING A RIM BOTTOM EXTENDING AXIALLY BETWEEN AND ANNULAR GROOVE AND A FLANGE IN THEIR FORM, AND THEN SIMULTANEOUSLY STRETCHING PROGRESSIVELY SAID RIM BOTTOM AND PROGRESSIVELY DEFORMING AND REDUCING THE THICKNESS OF SUCCESSIVE PORTIONS OF THE RING BOTTOM BY EXPANDING ONE WALL OF SAID RIM BOTTOM WHILE HOLDING AND MAINTAINING THE OTHER WALL OF THE RIM BOTTTOM, WHEREBY THE RIM BOTTOM PROFILE IS BROUGHT TO ITS FINAL DIMENSIONS.
Claim 2
Independent Claim
102 words
A METHOD OF MANUFACTURING A RIM FOR PNEUMATICTIRED VEHICLE WHEELS BY DEFORMATION OF A SHEET METAL RING, CONSISTING IN FIRST SHAPING FROM A SHEET METAL RING OF CORRESPONDING WIDTH AN AXIALLY ABRIDGED RIM PROFILE HAVING A RIM BOTTOM EXTENDING AXIALLY BETWEEN AND ANNULAR GROOVE AND A FLANGE IN THEIR FORM, AND THEN SIMULTANEOUSLY STRETCHING PROGRESSIVELY SAID RIM BOTTOM AND PROGRESSIVELY DEFORMING AND REDUCING THE THICKNESS OF SUCCESSIVE PORTIONS OF THE RING BOTTOM BY EXPANDING ONE WALL OF SAID RIM BOTTOM WHILE HOLDING AND MAINTAINING THE OTHER WALL OF THE RIM BOTTTOM, WHEREBY THE RIM BOTTOM PROFILE IS BROUGHT TO ITS FINAL DIMENSIONS.
References Cited (Backward Citations)
US1826449A
Cited
US1809605A
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US1922088A
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US1968296A
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US2159371A
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US3029667A
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US3129496A
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US3181329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |