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US3029466A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid phase pelleter

Assignee: Union Carbide Corp
•
Filing: 1956-03-09
•
Granted: 1962-04-17
•
Expires: 1976-03-09
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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.

References Cited (Backward Citations)

US231489A Cited
GB638992A Cited
US2401236A Cited
US2411971A Cited
US2436201A Cited
US2570423A Cited
FR1115424A Cited
BE531561A Cited
US2850764A Cited
US2706365A Cited
US2918701A 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

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