US3286314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing rings and riveted endless annular structures
Assignee: HANS OETIKER AG MASCHINEN- und APPARATEFABRIK OBERDORFSTRASSE 21 CH-8812 HORGEN SWITZERLAND
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Filing: 1964-01-21
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Granted: 1966-11-22
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Expires: 1984-01-21
Abstract
No abstract record available.
Inventors
- 👤 Oetiker Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:37
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/02; F16L33/025; B; B21; B21D; B21D39/00; B21D39/03; B21D53/00; B21D53/16; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/1478; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922; Y10T29/49936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A METHOD FOR MANUFACTURING RINGS, COMPRISING THE STEPS OF: PROVIDING A RELATIVELY NARROW AND LONG SHEET METAL STRIP WITH A LONGITUDINAL SLOT NEAR ONE END THEREOF OF GREATER LENGTH THAN WIDTH AND WITH A LUG PROTRUDING FROM SAID SHEET METAL STRIP NEAR THE OTHER END THEREOF AND OF SUBSTANTIALLY COMPLEMENTARY SIZE TO SAID SLOT WITH THE RELATIVELY LONGER DIMENSION OF SAID SLOT AND LUG BEING IN THE LONGITUDINAL DIRECTION OF SAID STRIP, THEREAFTER FORMING THE STRIP IN THE LONGITUDINAL DIRECTION THEREOF INTO THE SHAPE OF A RING AND INSERTING SAID LUG INTO SAID LONGITUDINAL SLOT, THEREUPON BENDING BACK SAID LUG SUBSTANTIALLY INTO THE PLANE OF THE CIRCUMFERENCE OF THE RING, AND THEREAFTER APPLYING PRESSURE TO THE BENT BACK LUG IN SUCH A MANNER THAT THE MATERIAL DISPOSED UNDERNEATH SAID LUG IS PRESSED INTO THE APERTURE OF THE U-SHAPED CUTOUT WHEREBY ALL BENDING EDGES OF THE MATERIAL FORMING THE RIVETED JOINT ARE DISPOSED IN THE CIRCUMFERENTIAL DIRECTION AND OPPOSE OPENING OF THE JOINT IN THE PRESENCE OF FORCES SEEKING TO EXPAND THE RING IN ITS DIAMETER.
Claim 2
Independent Claim
175 words
A METHOD FOR MANUFACTURING RINGS, COMPRISING THE STEPS OF: PROVIDING A RELATIVELY NARROW AND LONG SHEET METAL STRIP WITH A LONGITUDINAL SLOT NEAR ONE END THEREOF OF GREATER LENGTH THAN WIDTH AND WITH A LUG PROTRUDING FROM SAID SHEET METAL STRIP NEAR THE OTHER END THEREOF AND OF SUBSTANTIALLY COMPLEMENTARY SIZE TO SAID SLOT WITH THE RELATIVELY LONGER DIMENSION OF SAID SLOT AND LUG BEING IN THE LONGITUDINAL DIRECTION OF SAID STRIP, THEREAFTER FORMING THE STRIP IN THE LONGITUDINAL DIRECTION THEREOF INTO THE SHAPE OF A RING AND INSERTING SAID LUG INTO SAID LONGITUDINAL SLOT, THEREUPON BENDING BACK SAID LUG SUBSTANTIALLY INTO THE PLANE OF THE CIRCUMFERENCE OF THE RING, AND THEREAFTER APPLYING PRESSURE TO THE BENT BACK LUG IN SUCH A MANNER THAT THE MATERIAL DISPOSED UNDERNEATH SAID LUG IS PRESSED INTO THE APERTURE OF THE U-SHAPED CUTOUT WHEREBY ALL BENDING EDGES OF THE MATERIAL FORMING THE RIVETED JOINT ARE DISPOSED IN THE CIRCUMFERENTIAL DIRECTION AND OPPOSE OPENING OF THE JOINT IN THE PRESENCE OF FORCES SEEKING TO EXPAND THE RING IN ITS DIAMETER.
References Cited (Backward Citations)
US338877A
Cited
US384118A
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US518767A
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US548483A
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GB190724929A
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GB144877A
Cited
US1677828A
Cited
US3034209A
Cited
US3020631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |