Continuous extruder having a rechargeable receiver with controlled movement
Abstract
Abstract A CONTINUOUS EXTRUDER INCLUDES A MAIN PRESS DIE, A RECHARGEABLE RECEIVER HAVING A RECEIVING CHAMBER WHICH CAN BE SHUT OFF FROM A COAXIALLY ARRANGED FEED LINE FOR THE MATERIAL TO BE EXTRUDED LEADING TO A PRESS CHAMBER OF A PRESS HEAD, A STORAGE CYLINDER FORMED IN THE RECEIVER, AND AN AUXILIARY APERTURED PRESS DIE DISPLACEABLY GUIDED IN THE CYLINDER AND CONNECTED TO THE PRESS HEAD. THE STORAGE CYLINDER IS RECHARGEABLE BY MOVEMENT OF THE RECEIVER RELATIVE TO THE PRESS HEAD, AND TAKES OVER THE EXTRUSION DURING RECHARGING OF THE SHUT OFF RECEIVER CHAMBER. THE STORAGE CYLINDER HAS AS CROSS SECTION LARGER THAN THAT OF THE RECEIVER CHAMBER, AND THE RECEIVER IS MOVABLE, UNDER CONTROL IN THE EXTRUDING DIRECTION, DURING SHUTTING OFF OF THE RECEIVER CHAMBER AND WITH THE PRESS DIES STATIONARY, THE CONTROLLED MOVEMENT BEING INDEPENDENT OF THE DESIGNED OUTPUT VELOCITY OF THE EXTRUSION. A VALVE IS MOVABLE IN THE FEED LINE OF SHIT OFF THE RECEIVER CHAMBER.
Inventors
- 👤 Heinz Riemann
Bibliographic Details
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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) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |