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US3226765A
Expired / Lapsed
US
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Edge trimming device
Assignee: Allegheny Ludlum Steel Corp
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Filing: 1964-08-20
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Granted: 1966-01-04
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Expires: 1984-08-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard M Houser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:43
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN A ROLLING MILL FOR COMPACTING METAL POWDER INTO STRIP WHEREIN A PAIR OF ROLLS ARE JOURNALLED FOR ROTATION AND THE POWDER IS FED BETWEEN THE ROLLS AND EXITS THEREFROM AS A COMPACTED STRIP THE IMPROVEMENT WHICH COMPRISES FIRST AND SECOND TRIMMER MEMBERS DISPOSED IN SPACED RELATION ON THE EXIT SIDE OF THE ROLLS ADJACENT THE OPPOSITE EDGES OF THE STRIP, EACH OF SAID TRIMMER MEMBERS HAVING ELONGATED CUTTING FACE MEANS DISPOSED TO CONTACT THE EDGE OF THE STRIP, AND MEANS TO POSITION THE TRIMMER MEMBERS TO PROVIDE A DECREASING DISTANCE BETWEEN THE CUTTING FACE MEANS THEREOF ALONG THE PATH OF TRAVEL OF THE STRIP IN THE DIRECTION OF TRAVEL THEREOF WHEREBY THE CUTTING FACE MEANS WILL ANGULARLY ENGAGE THE EDGES OF THE STRIP AND PROGRESSIVELY REMOVE THE EDGE MATERIAL AS THE STRIP PASSES BETWEEN THE TRIMMER MEMBERS TO THEREBY PROVIDE SMOOTH, EVEN EDGES ON THE STRIP.
Claim 2
Dependent Claim
147 words
IN A ROLLING MILL FOR COMPACTING METAL POWDER INTO STRIP WHEREIN A PAIR OF ROLLS ARE JOURNALLED FOR ROTATION AND THE POWDER IS FED BETWEEN THE ROLLS AND EXITS THEREFROM AS A COMPACTED STRIP THE IMPROVEMENT WHICH COMPRISES FIRST AND SECOND TRIMMER MEMBERS DISPOSED IN SPACED RELATION ON THE EXIT SIDE OF THE ROLLS ADJACENT THE OPPOSITE EDGES OF THE STRIP, EACH OF SAID TRIMMER MEMBERS HAVING ELONGATED CUTTING FACE MEANS DISPOSED TO CONTACT THE EDGE OF THE STRIP, AND MEANS TO POSITION THE TRIMMER MEMBERS TO PROVIDE A DECREASING DISTANCE BETWEEN THE CUTTING FACE MEANS THEREOF ALONG THE PATH OF TRAVEL OF THE STRIP IN THE DIRECTION OF TRAVEL THEREOF WHEREBY THE CUTTING FACE MEANS WILL ANGULARLY ENGAGE THE EDGES OF THE STRIP AND PROGRESSIVELY REMOVE THE EDGE MATERIAL AS THE STRIP PASSES BETWEEN THE TRIMMER MEMBERS TO THEREBY PROVIDE SMOOTH, EVEN EDGES ON THE STRIP.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |