US3182384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making self-supporting coils and mandrel therefor
Assignee: Industrial Research Products Inc
•
Filing: 1960-12-27
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Granted: 1965-05-11
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Elmer V Carlson
- 👤 Orville E Pyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:24
CPC Classifications
B; B65; B65H; B65H55/00; H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/122; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T29/49789; Y10T29/4979; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF MAKING A SELF-SUPPORTING COIL WHOSE TUNNEL HAS A SUBSTANTIALLY UNIFORM CROSS SECTION WHICH COMPRISES THE STEPS OF MAKING A MANDREL OF A MATERIAL POSSESSING PLASTIC FLOW CHARACTERISTICS AT ROOM TEMPERATURE AND HAVING FORMED INTEGRALLY THEREWITH AN ENLARGED BLOCK AT EACH END, THE WALL OF EACH BLOCK FACING THE MANDREL CONSTITUTING THE RETAINING WALL OF A COIL TO BE WOUND THEREON, OF WINDING WIRE IN THE PRESENCE OF ADHESIVE ON THE MANDREL BETWEEN THE RETAINING WALL, AND OF PULLING THE TWO BLOCKS IN OPPOSITE DIRECTIONS AFTER THE ADHESIVE HAS SET UNTIL THE MANDREL BREAKS.
Claim 2
Independent Claim
96 words
THE METHOD OF MAKING A SELF-SUPPORTING COIL WHOSE TUNNEL HAS A SUBSTANTIALLY UNIFORM CROSS SECTION WHICH COMPRISES THE STEPS OF MAKING A MANDREL OF A MATERIAL POSSESSING PLASTIC FLOW CHARACTERISTICS AT ROOM TEMPERATURE AND HAVING FORMED INTEGRALLY THEREWITH AN ENLARGED BLOCK AT EACH END, THE WALL OF EACH BLOCK FACING THE MANDREL CONSTITUTING THE RETAINING WALL OF A COIL TO BE WOUND THEREON, OF WINDING WIRE IN THE PRESENCE OF ADHESIVE ON THE MANDREL BETWEEN THE RETAINING WALL, AND OF PULLING THE TWO BLOCKS IN OPPOSITE DIRECTIONS AFTER THE ADHESIVE HAS SET UNTIL THE MANDREL BREAKS.
References Cited (Backward Citations)
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Cited
US2199879A
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US2683572A
Cited
US2944338A
Cited
US2861755A
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US2988804A
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US2970373A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |