US3029466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid phase pelleter
Assignee: Union Carbide Corp
•
Filing: 1956-03-09
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Granted: 1962-04-17
•
Expires: 1976-03-09
Abstract
No abstract record available.
Inventors
- 👤 A W Guill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:54
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/20; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29B9/065; Y; Y10; Y10S; Y10S264/00; Y10S264/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A PELLETER OF THE LIQUID PHASE TYPE FOR PRODUCING SUBSTANTIALLY UNIFORMLY SIZED PELLETS OF REISIN COMPRISING, IN COMBINATION, AN ANNULAR HEATED CHAMBER FOR RECEIVING A MOLTEN THERMOPLASTIC RESIN, A DIE PLATE ASSOCIATED WITH ONE END OF SAID CHAMBER, A PLURALITY OF EXTRUSION ORIFICES IN SAID DIE PLATE ARRANGED AND FORMED IN A ROW AND COMMUNICATING WITH SAID CHAMBER, HEATING CONDUIT MEANS IN SAID DIE PLATE COMPRISING TWO FLANKING PASSAGEWAYS ONE ON EITHER SIDE OF EQUALLY DISTANT FROM AND PARALLEL TO THE ROW OF EXTRUSION ORIFICES AND IMMEDIATELY ADJACENT TO SUCH ORIFICES SO THAT THE RESIN PASSING THROUGHT EACH EXTRUSION ORIFICE IS SUBSTANTIALLY UNIFORMLY HEATED BY A HEATING FLUID IN THE PASSAGEWAYS FLANKING SUCH ORIFICE, A DRIVE SHAFT WXTENDING INTO SAID PELLETER, A PLURALITY OF CUTTING KNIVES MOUNTED TO THE PERIPHERAL EDGE OF SAID CUTTER HEAD, SAID CUTTING KNIVES BEING ADAPTED TO PASS OVER AND IN CONTACT WITH THE SURFACE OF SAID DIE PLATE AND OUT CUT SAID RESIN EXTRUDED FROM THE ORIFICES, AND A TANK ADAPTED TO RETAIN A BODY OF LIQUID OVER SAID ORIFICES AND AROUND SAID CUTTING KNIVES.
Claim 2
Dependent Claim
180 words
A PELLETER OF THE LIQUID PHASE TYPE FOR PRODUCING SUBSTANTIALLY UNIFORMLY SIZED PELLETS OF REISIN COMPRISING, IN COMBINATION, AN ANNULAR HEATED CHAMBER FOR RECEIVING A MOLTEN THERMOPLASTIC RESIN, A DIE PLATE ASSOCIATED WITH ONE END OF SAID CHAMBER, A PLURALITY OF EXTRUSION ORIFICES IN SAID DIE PLATE ARRANGED AND FORMED IN A ROW AND COMMUNICATING WITH SAID CHAMBER, HEATING CONDUIT MEANS IN SAID DIE PLATE COMPRISING TWO FLANKING PASSAGEWAYS ONE ON EITHER SIDE OF EQUALLY DISTANT FROM AND PARALLEL TO THE ROW OF EXTRUSION ORIFICES AND IMMEDIATELY ADJACENT TO SUCH ORIFICES SO THAT THE RESIN PASSING THROUGHT EACH EXTRUSION ORIFICE IS SUBSTANTIALLY UNIFORMLY HEATED BY A HEATING FLUID IN THE PASSAGEWAYS FLANKING SUCH ORIFICE, A DRIVE SHAFT WXTENDING INTO SAID PELLETER, A PLURALITY OF CUTTING KNIVES MOUNTED TO THE PERIPHERAL EDGE OF SAID CUTTER HEAD, SAID CUTTING KNIVES BEING ADAPTED TO PASS OVER AND IN CONTACT WITH THE SURFACE OF SAID DIE PLATE AND OUT CUT SAID RESIN EXTRUDED FROM THE ORIFICES, AND A TANK ADAPTED TO RETAIN A BODY OF LIQUID OVER SAID ORIFICES AND AROUND SAID CUTTING KNIVES.
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |