US3187151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eddy current heating device
Assignee: Max Baermann GmbH
•
Filing: 1963-04-04
•
Granted: 1965-06-01
•
Expires: 1983-04-04
Abstract
No abstract record available.
Inventors
- 👤 Baermann Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:15
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/12; H05B6/1209; F; F24; F24V; F24V99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN APPARATUS FOR HEATING A STRIP OF ELECTRICALLY CONDUCTIVE MATERIAL TRAVELING IN A PREDETERMINED PATH, SAID APPARATUS COMPRISING A CHANNEL OF ELECTRICALLY NON-CONDUCTIVE, NON-MAGNETIC MATERIAL, SAID CHANNEL SURROUNDING SAID PATH AND THUS SAID MOVING STRIP, A MAGNET ROTOR OUTSIDE SAID CHANNEL AND IN CLOSE SPACED RELATIONSHIP WITH SAID CHANNEL WITH A ROTOR FACE GENERALLY PARALLEL TO SAID STRIP, A PLURALITY OF PERMANENT MAGNETS ARRANGED IN A GENERALLY CIRCULAR PATTERN WITH ADJACENT MAGNETS HAVING OPPOSITE POLARITIES, SAID MAGNETS BEING SECURED ONTO SAID ROTOR AND HAVING OUTWARDLY EXTENDING POLES DEFINING SAID ROTOR FACE, A HIGH PERMEABILITY MEMBER JOINING SAID MEMBERS AT THE SIDE OF SAID ROTOR REMOTE FROM SAID ROTOR FACE, AND DRIVE MEANS FOR ROTATING SAID ROTOR ABOUT AN AXIS GENERALLY COINCIDING WITH THE CENTER OF SAID PATTERN, SAID AXIS BEING THROUGH THE PLANE OF SAID STRIP SAID CIRCULAR PATTERN OF SAID MAGNETS HAVING A GIVEN DIAMETER, SAID CHANNEL HAVING A LENGTH ALONG SAID PATH AT LEAST AS GREAT AS SAID DIAMETER AND SAID CHANNEL EXTENDING BETWEEN ALL OF SAID ROTATING MAGNETS AND SAID STRIP.
Claim 2
Independent Claim
174 words
AN APPARATUS FOR HEATING A STRIP OF ELECTRICALLY CONDUCTIVE MATERIAL TRAVELING IN A PREDETERMINED PATH, SAID APPARATUS COMPRISING A CHANNEL OF ELECTRICALLY NON-CONDUCTIVE, NON-MAGNETIC MATERIAL, SAID CHANNEL SURROUNDING SAID PATH AND THUS SAID MOVING STRIP, A MAGNET ROTOR OUTSIDE SAID CHANNEL AND IN CLOSE SPACED RELATIONSHIP WITH SAID CHANNEL WITH A ROTOR FACE GENERALLY PARALLEL TO SAID STRIP, A PLURALITY OF PERMANENT MAGNETS ARRANGED IN A GENERALLY CIRCULAR PATTERN WITH ADJACENT MAGNETS HAVING OPPOSITE POLARITIES, SAID MAGNETS BEING SECURED ONTO SAID ROTOR AND HAVING OUTWARDLY EXTENDING POLES DEFINING SAID ROTOR FACE, A HIGH PERMEABILITY MEMBER JOINING SAID MEMBERS AT THE SIDE OF SAID ROTOR REMOTE FROM SAID ROTOR FACE, AND DRIVE MEANS FOR ROTATING SAID ROTOR ABOUT AN AXIS GENERALLY COINCIDING WITH THE CENTER OF SAID PATTERN, SAID AXIS BEING THROUGH THE PLANE OF SAID STRIP SAID CIRCULAR PATTERN OF SAID MAGNETS HAVING A GIVEN DIAMETER, SAID CHANNEL HAVING A LENGTH ALONG SAID PATH AT LEAST AS GREAT AS SAID DIAMETER AND SAID CHANNEL EXTENDING BETWEEN ALL OF SAID ROTATING MAGNETS AND SAID STRIP.
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |