US3315592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for tightening and strapping involutely wound sheet metal coils
Assignee: Signode Corp
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Filing: 1965-10-14
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Granted: 1967-04-25
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Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Lems Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:07
CPC Classifications
B; B65; B65B; B65B27/00; B65B27/06; B21; B21C; B21C47/00; B21C47/24; B65B13/00; B65B13/18; B65B13/22; Y; Y10; Y10S; Y10S242/00; Y10S242/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
THE METHOD OF TIGHTENING AND STRAPPING AN INVOLUTELY WOUND COIL OF SHEET METAL HAVING LOOSE OUTER COIL CONVOLUTIONS WHICH COMPRISES: ENCIRCLING THE COIL WITH A LENGTH OF STRAPPING MATERIAL TO PROVIDE A SUBSTANTIALLY CLOSED LOOP HAVING OVERLAPPING END PORTIONS AND AN AUXILIARY FOLD OF EXCESS STRAPPING INTERMEDIATE SAID END PORTIONS, DRAWING ONE OF SAID END PORTIONS IN A COIL-TIGHTENING DIRECTION TO SHRINK THE CLOSED LOOP UPON THE COIL AND DRAW THE EXCESS STRAPPING OF THE AUXILIARY FOLD PROGRESSIVELY INTO THE CLOSED LOOP WHILE SIMULTANEOUSLY FRICTIONALLY RESTRAINING SAID EXCESS STRAPPING FROM ENTERING THE CLOSED LOOP UNTIL SUCH TIME AS ALL OF THE EXCESS STRAPPING HAS BEEN DRAWN INTO THE CLOSED LOOP, CONTINUING THE DRAWING OF SAID ONE END PORTION IN A COIL TIGHTENING DIRECTION TO FULLY TIGHTEN THE CLOSED LOOP ABOUT THE COIL, FIXEDLY SECURING SAID END PORTIONS TOGETHER, AND FINALLY SEVERING SAID ONE END PORTION OF THE LOOP FROM THE REMAINDER THEREOF.
Claim 2
Independent Claim
152 words
THE METHOD OF TIGHTENING AND STRAPPING AN INVOLUTELY WOUND COIL OF SHEET METAL HAVING LOOSE OUTER COIL CONVOLUTIONS WHICH COMPRISES: ENCIRCLING THE COIL WITH A LENGTH OF STRAPPING MATERIAL TO PROVIDE A SUBSTANTIALLY CLOSED LOOP HAVING OVERLAPPING END PORTIONS AND AN AUXILIARY FOLD OF EXCESS STRAPPING INTERMEDIATE SAID END PORTIONS, DRAWING ONE OF SAID END PORTIONS IN A COIL-TIGHTENING DIRECTION TO SHRINK THE CLOSED LOOP UPON THE COIL AND DRAW THE EXCESS STRAPPING OF THE AUXILIARY FOLD PROGRESSIVELY INTO THE CLOSED LOOP WHILE SIMULTANEOUSLY FRICTIONALLY RESTRAINING SAID EXCESS STRAPPING FROM ENTERING THE CLOSED LOOP UNTIL SUCH TIME AS ALL OF THE EXCESS STRAPPING HAS BEEN DRAWN INTO THE CLOSED LOOP, CONTINUING THE DRAWING OF SAID ONE END PORTION IN A COIL TIGHTENING DIRECTION TO FULLY TIGHTEN THE CLOSED LOOP ABOUT THE COIL, FIXEDLY SECURING SAID END PORTIONS TOGETHER, AND FINALLY SEVERING SAID ONE END PORTION OF THE LOOP FROM THE REMAINDER THEREOF.
References Cited (Backward Citations)
US3019577A
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US3044729A
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US3179037A
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US3238864A
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US3216346A
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US3252408A
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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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |