Patent US3355765A successfully refreshed from Google Patents.
US3355765A
Expired / Lapsed
US
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Pelletizing machine
Assignee: Borg Warner Corp
•
Filing: 1965-09-02
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Granted: 1967-12-05
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Expires: 1985-09-02
Abstract
No abstract record available.
Inventors
- 👤 James W Hendry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:34
CPC Classifications
B; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29C; B29C45/00; B29C45/03; B29C45/04; B29C45/0441; B29C45/045; Y; Y10; Y10S; Y10S425/00; Y10S425/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
IN A PELLETIZING MACHINE FOR MAKING PELLETS FROM PLASTICIZED MATERIAL, THE COMBINATION COMPRISING: AN ELONGATED CYLINDRICAL MEMBER HAVING A MULTIPLICITY OF AXIALLY AND CIRCUMFERENTIALLY SPACED, PELLET-FORMING OPENINGS THEREIN, SAID OPENINGS BEING ARRANGED IN A ZONE WHICH EXTENDS FOR A SUBSTANTIAL PORTION OF THE LENGTH OF SAID CYLINDRICAL MEMBER, SAID CYLINDRICAL MEMBER HAVING WALL MEANS DEFINING A STATIONARY BOTTOM WALL FOR EACH OPENING AND HAVING PASSAGE MEANS COMMUNICATING WITH EACH OPENING ADJACENT THE BOTTOM WALL THEREOF, SAID PASSAGE MEANS INCLUDING PORTIONS ADJACENT EACH OPENING WHICH PORTIONS ARE OF REDUCED SIZE SO THAT THE PLASTICIZED MATERIAL CANNOT ENTER THEREINTO; MEANS FOR ROTATABLY SUPPORTING SAID CYLINDRICAL MEMBER; ELONGATED MANIFOLD MEANS DISPOSED CLOSELY ADJACENT SAID CYLINDRICAL MEMBER AND HAVING AN INTERNAL CHAMBER EXTENDING AT LEAST THE ENTIRE LENGTH OF SAID ZONE AND COMMUNICATING WITH THE OPENINGS IN A PORTION OF LIMITED CIRCUMFERENTIAL EXTENT OF SAID CYLINDRICAL MEMBER; EXTRUSION MEANS COMMUNICATNG WITH SAID INTERNAL CHAMBER FOR FORCING PLASTICIZED MATERIAL THROUGH SAID INTERNAL CHAMBER AND INTO SAID OPENINGS IN SAID CYLINDRICAL MEMBER; FLUID SUPPLY MEANS CIRCUMFERENTIALLY DISPLACED FROM SAID MANIFOLD MEANS AND COMMUNICATING WITH SAID CYLINDRICAL MEMBER FOR SUPPLYING EJECTION FLUID UNDER PRESSURE TO SAID PASSAGE MEANS AND THENCE TO SAID OPENINGS TO EJECT THE PELLETS FROM SAID OPENINGS, SAID PORTIONS OF SAID PASSAGE MEANS BEING OF SUFFICIENT SIZE TO PERMIT THE FLOW OF EJECTION FLUID THERETHROUGH INTO SAID OPENINGS.
Claim 2
Dependent Claim
224 words
IN A PELLETIZING MACHINE FOR MAKING PELLETS FROM PLASTICIZED MATERIAL, THE COMBINATION COMPRISING: AN ELONGATED CYLINDRICAL MEMBER HAVING A MULTIPLICITY OF AXIALLY AND CIRCUMFERENTIALLY SPACED, PELLET-FORMING OPENINGS THEREIN, SAID OPENINGS BEING ARRANGED IN A ZONE WHICH EXTENDS FOR A SUBSTANTIAL PORTION OF THE LENGTH OF SAID CYLINDRICAL MEMBER, SAID CYLINDRICAL MEMBER HAVING WALL MEANS DEFINING A STATIONARY BOTTOM WALL FOR EACH OPENING AND HAVING PASSAGE MEANS COMMUNICATING WITH EACH OPENING ADJACENT THE BOTTOM WALL THEREOF, SAID PASSAGE MEANS INCLUDING PORTIONS ADJACENT EACH OPENING WHICH PORTIONS ARE OF REDUCED SIZE SO THAT THE PLASTICIZED MATERIAL CANNOT ENTER THEREINTO; MEANS FOR ROTATABLY SUPPORTING SAID CYLINDRICAL MEMBER; ELONGATED MANIFOLD MEANS DISPOSED CLOSELY ADJACENT SAID CYLINDRICAL MEMBER AND HAVING AN INTERNAL CHAMBER EXTENDING AT LEAST THE ENTIRE LENGTH OF SAID ZONE AND COMMUNICATING WITH THE OPENINGS IN A PORTION OF LIMITED CIRCUMFERENTIAL EXTENT OF SAID CYLINDRICAL MEMBER; EXTRUSION MEANS COMMUNICATNG WITH SAID INTERNAL CHAMBER FOR FORCING PLASTICIZED MATERIAL THROUGH SAID INTERNAL CHAMBER AND INTO SAID OPENINGS IN SAID CYLINDRICAL MEMBER; FLUID SUPPLY MEANS CIRCUMFERENTIALLY DISPLACED FROM SAID MANIFOLD MEANS AND COMMUNICATING WITH SAID CYLINDRICAL MEMBER FOR SUPPLYING EJECTION FLUID UNDER PRESSURE TO SAID PASSAGE MEANS AND THENCE TO SAID OPENINGS TO EJECT THE PELLETS FROM SAID OPENINGS, SAID PORTIONS OF SAID PASSAGE MEANS BEING OF SUFFICIENT SIZE TO PERMIT THE FLOW OF EJECTION FLUID THERETHROUGH INTO SAID OPENINGS.
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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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |