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US3295165A
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Elastic melt extruder
Assignee: OI Glass Inc
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Filing: 1965-12-06
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Granted: 1967-01-03
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Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Robert T Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:59
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/47; B29C48/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN ELASTIC MELT EXTRUDER COMPRISING A HOUSING, A FIXED PLATE MOUNTED IN SAID HOUSING AND HAVING AN ORIFICE THERETHROUGH WHICH COMMUNICATES WITH AN EXTRUSION BORE, A ROTARY PLATE SPACED FROM SAID FIXED PLATE TO DEFINE A MELT GAP THEREBETWEEN, MEANS FOR FEEDING PLASTIC MATERIAL TO SAID GAP, MEANS FOR ROTATING SAID ROTARY PLATE TO ADVANCE SAID PLASTIC MATERIAL CENTRIPETALLY THROUGH SAID MELT GAP TOWARD SAID ORIFICE SAID ROTATING MEANS INCLUDING A SHAFT COROTATABLE WITH SAID ROTARY PLATE AND AXIALLY MOVABLE RELATIVE TO SAID ROTARY PLATE, SAID SHAFT HAVING A FREE END PROJECTING BEYOND SAID ROTARY SHAFT THROUGH SAID ORIFICE AND INTO SAID BORE, A HELICAL PERIPHERAL SCREW ON
Claim 2
Dependent Claim
108 words
AN ELASTIC MELT EXTRUDER COMPRISING A HOUSING, A FIXED PLATE MOUNTED IN SAID HOUSING AND HAVING AN ORIFICE THERETHROUGH WHICH COMMUNICATES WITH AN EXTRUSION BORE, A ROTARY PLATE SPACED FROM SAID FIXED PLATE TO DEFINE A MELT GAP THEREBETWEEN, MEANS FOR FEEDING PLASTIC MATERIAL TO SAID GAP, MEANS FOR ROTATING SAID ROTARY PLATE TO ADVANCE SAID PLASTIC MATERIAL CENTRIPETALLY THROUGH SAID MELT GAP TOWARD SAID ORIFICE SAID ROTATING MEANS INCLUDING A SHAFT COROTATABLE WITH SAID ROTARY PLATE AND AXIALLY MOVABLE RELATIVE TO SAID ROTARY PLATE, SAID SHAFT HAVING A FREE END PROJECTING BEYOND SAID ROTARY SHAFT THROUGH SAID ORIFICE AND INTO SAID BORE, A HELICAL PERIPHERAL SCREW ON
References Cited (Backward Citations)
US3032814A
Cited
US3137034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |