US3218218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing and severing device for packaging machines
Assignee: Kisab AB
•
Filing: 1962-09-07
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Granted: 1965-11-16
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Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 Sven I Bratt
- 👤 Karder Terje
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:21
CPC Classifications
B; B65; B65B; B65B61/00; B65B61/04; B65B61/06; B65B61/08; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1378
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A SEALING AND SEVERING DEVICE FOR A WRAPPER WITH SPACED CONTENTS THEREIN COMPRISING A FRAME, TWO UNIFORMLY ROTATING ROLLS IN SAID FRAME BETWEEN WHICH SAID WRAPPER IS FED, A SPRING YIELDING BEARING ARRANGEMENT FOR SAID ROLLS, A SEALING MEMBER ON EACH ROLL HAVING A RADIALLY EXTENDING SLOT THEREIN DIVIDING SAID MEMBERS INTO EACH TWO SPACED SEALING ZONES EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF EACH ROLL, A KNIFE BLADE SLIDINGLY MOUNTED IN SAID SLOT OF ONE OF SAID MEMBERS, A STRIKING BAR MOUNTED IN THE OTHER OF SAID MEMBERS, SAID KNIFE BLADE AND STRIKING BAR SEVERING SAID WRAPPER BETWEEN THE SEALS MADE BY SAID ZONES BETWEEN SAID SPACED CONTENTS, SAID KNIFE BLADE HAVING THE ENDS THEREOF PROTRUDING FROM THE END WALLS OF ITS ROLL, MEANS MOUNTED IN SAID FRAME IN RESILIENT BEARING MEMBERS COOPERATING WITH SAID ENDS FOR OPERATING SAID KNIFE BLADE FOR DISPLACING ITRADIALLY OUTWARDS IN SAID SLOT.
Claim 2
Dependent Claim
149 words
A SEALING AND SEVERING DEVICE FOR A WRAPPER WITH SPACED CONTENTS THEREIN COMPRISING A FRAME, TWO UNIFORMLY ROTATING ROLLS IN SAID FRAME BETWEEN WHICH SAID WRAPPER IS FED, A SPRING YIELDING BEARING ARRANGEMENT FOR SAID ROLLS, A SEALING MEMBER ON EACH ROLL HAVING A RADIALLY EXTENDING SLOT THEREIN DIVIDING SAID MEMBERS INTO EACH TWO SPACED SEALING ZONES EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF EACH ROLL, A KNIFE BLADE SLIDINGLY MOUNTED IN SAID SLOT OF ONE OF SAID MEMBERS, A STRIKING BAR MOUNTED IN THE OTHER OF SAID MEMBERS, SAID KNIFE BLADE AND STRIKING BAR SEVERING SAID WRAPPER BETWEEN THE SEALS MADE BY SAID ZONES BETWEEN SAID SPACED CONTENTS, SAID KNIFE BLADE HAVING THE ENDS THEREOF PROTRUDING FROM THE END WALLS OF ITS ROLL, MEANS MOUNTED IN SAID FRAME IN RESILIENT BEARING MEMBERS COOPERATING WITH SAID ENDS FOR OPERATING SAID KNIFE BLADE FOR DISPLACING ITRADIALLY OUTWARDS IN SAID SLOT.
References Cited (Backward Citations)
US2889671A
Cited
US2803100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |