Method and apparatus for testing of cigarettes or the like
Abstract
Abstract A TESTING CONVEYOR FOR CIGARETTES, PARTICULARLY FILTER CIGARETTES, WHEREIN THE ROTOR IS FORMED WITH AXIALLY PARALLEL PERIPHERAL FLUTES FOR CIGARETTES WHICH ARE CAUSED TO MOVE SIDEWAYS PAST A TESTING STATION WHERE A STREAM OF TESTING GAS IS PASSED THROUGH THEIR WRAPPERS. THE ENDS OF WRAPPERS ARE SEALED DURING TRAVEL PAST THE TESTING STATION BY PAIRS OF ANNULAR SEALING FACES AT LEAST ONE OF WHICH IS PROVIDED ON A TILTABLE SEALING ELEMENT SHARING THE MOVEMENT OF THE ROTOR AND CAPABLE OF CHANGING THE INCLINATION OF ITS SEALING FACE SO THAT THE LATTER IS MOVE INTO THE PLANE OF THE ADJOINING END SURFACE OF THE WRAPPER. IN THIS WAY, THE TITLTABLE SEALING ELEMENT CAN PROPERLY SEAL AN END SURFACE WHOSE PLANE IS NOT EXACTLY NORMAL TO THE AXIS OF THE CIGARETTE.
Inventors
- 👤 Uwe Heitmann
Bibliographic Details
Claims Analysis
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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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |