US3208101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the production of pellets from a melt
Assignee: Individual
•
Filing: 1962-12-26
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Granted: 1965-09-28
•
Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Kaiser Gunter
- 👤 Kaiser Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:23
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/20; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; C; C22; C22B; C22B1/00; C22B1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
AN APPARATUS FOR PELLETIZING A MOLTEN MATERIAL WHICH COMPRISES: (A) A TANK FOR RECEIVING THE MOLTEN MATERIAL, SAID TANK INCLUDING A BOTTOM PORTION PROVIDED WITH AT LEAST ONE DIE THROUGH WHICH THE MATERIAL IS TO BE EXTRUDED FOR PELLET FORMATION THEREFROM; (B) INTERMITTENTLY OPERABLE PRESSURE-APPLYING MEANS DISPOSED WITHIN SAID TANK CLOSELY SPACED FROM SAID DIE FOR SUCCESSIVELY SUBJECTING THE MOLTEN MATERIAL IN THE TANK ADJACENT THE DIE TO SUPERATMOSPHERIC PRESSURE TO EFFECT EXTRUSION OF THE MOLTEN MATERIAL THROUGH SAID DIE, AND TO SUBATMOSPHERIC PRESSURE TO CONSTRICT THE EXTRUDED MOLTEN MATERIAL AND FACILITATE GRAVITY SEPARATION OF A PORTION OF THE EXTRUDED MATERIAL AT SAID CONSTRICTION, SAID PRESSURE APPLYING MEANS COMPRISING A RECIPROCABLY MOVABLE BELL DISPOSED ABOVE SAID DIE, A RECIPROCABLY MOVABLE PISTON SLIDABLY SUPPORTED WITHIN A BARREL FORMED IN SAID BELL, AND DRIVE MEANS FOR INTERMITTENTLY RECIPROCATING THE BELL AND THE PISTON TO SUCCESSIVELY IMPOSE THE SUPERATMOSPHERIC AND SUBATMOSPHERIC PRESSURES UPON THE MOLTEN MATERIAL ADJACENT SAID DIE; (C) A COLLECTING SURFACE SPACED FROM AND DISPOSED BENEATH SAID DIE FOR RECEIVING THE SUCCESSIVE SEPARATED PORTIONS OF THE MATERIAL EXTRUDED THEREFROM; AND (D) MEANS FOR COOLING SAID COLLECTING SURFACES TO FACILITATE FUSION OF THE SEPARATED PORTIONS OF MOLTEN MATERIAL RECEIVED THEREBY.
Claim 2
Independent Claim
198 words
AN APPARATUS FOR PELLETIZING A MOLTEN MATERIAL WHICH COMPRISES: (A) A TANK FOR RECEIVING THE MOLTEN MATERIAL, SAID TANK INCLUDING A BOTTOM PORTION PROVIDED WITH AT LEAST ONE DIE THROUGH WHICH THE MATERIAL IS TO BE EXTRUDED FOR PELLET FORMATION THEREFROM; (B) INTERMITTENTLY OPERABLE PRESSURE-APPLYING MEANS DISPOSED WITHIN SAID TANK CLOSELY SPACED FROM SAID DIE FOR SUCCESSIVELY SUBJECTING THE MOLTEN MATERIAL IN THE TANK ADJACENT THE DIE TO SUPERATMOSPHERIC PRESSURE TO EFFECT EXTRUSION OF THE MOLTEN MATERIAL THROUGH SAID DIE, AND TO SUBATMOSPHERIC PRESSURE TO CONSTRICT THE EXTRUDED MOLTEN MATERIAL AND FACILITATE GRAVITY SEPARATION OF A PORTION OF THE EXTRUDED MATERIAL AT SAID CONSTRICTION, SAID PRESSURE APPLYING MEANS COMPRISING A RECIPROCABLY MOVABLE BELL DISPOSED ABOVE SAID DIE, A RECIPROCABLY MOVABLE PISTON SLIDABLY SUPPORTED WITHIN A BARREL FORMED IN SAID BELL, AND DRIVE MEANS FOR INTERMITTENTLY RECIPROCATING THE BELL AND THE PISTON TO SUCCESSIVELY IMPOSE THE SUPERATMOSPHERIC AND SUBATMOSPHERIC PRESSURES UPON THE MOLTEN MATERIAL ADJACENT SAID DIE; (C) A COLLECTING SURFACE SPACED FROM AND DISPOSED BENEATH SAID DIE FOR RECEIVING THE SUCCESSIVE SEPARATED PORTIONS OF THE MATERIAL EXTRUDED THEREFROM; AND (D) MEANS FOR COOLING SAID COLLECTING SURFACES TO FACILITATE FUSION OF THE SEPARATED PORTIONS OF MOLTEN MATERIAL RECEIVED THEREBY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |