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Patent US3089192A successfully refreshed from Google Patents.
US3089192A
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Plastic accumulator
Assignee: OI Glass Inc
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Filing: 1961-05-01
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Granted: 1963-05-14
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:10
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/375; B29C48/388; B29C48/395; B29C2949/00; B29C2949/30; B29C2949/3032; B29C2949/3041; B29C48/03; B29C48/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A METHOD OF MAKING A PLASTIC ARTICLE BY THE STEPS OF CONTINUOUSLY PLASTICIZING MATERIAL FROM A SOURCE AT A PRESSURE P1, STORING THE MATERIAL IN AN ACCUMULATION CHAMBER AT A PRESSURE P2, AND DISPENSING MATERIAL FROM SAID CHAMBER AND THROUGH AN ORIFICE AT A PRESSURE P3, THE IMPROVEMENTS OF SUPPLYING PLASTICIZED MATERIAL TO THE ACCUMULATION CHAMBER FROM SAID SOURCE WHENEVER P1 IS GREATER THAN P2, DEVELOPING PRESSURE P3 IN THE CHAMBER BY THE INSERTION OF A MATERIAL-DISPLACING ROD INTO THE CHAMBER, SIMULTANEOUSLY ISOLATING THE ACCUMULATION CHAMBER FROM THE PASTICIZER AND DISPENSING MATERIAL FROM THE CHAMBER THROUGH THE ORIFICE WHENEVER PRESSURE P3 IS DEVELOPED IN SAID CHAMBER, SUBSEQUENTLY ISOLATING THE CHAMBER FROM THE ORIFICE, DISPLACING SAID ROD FROM SAID CHAMBER BY SUPPLYING MATERIAL THERETO FROM SAID SOURCE, AND DEVELOPING PRESSUE P2 IN SAID CHAMBER BY THE RESISTANCE OF SAID ROD TO DISPLACEMENT FROM SAID CHAMBER.
Claim 2
Dependent Claim
145 words
IN A METHOD OF MAKING A PLASTIC ARTICLE BY THE STEPS OF CONTINUOUSLY PLASTICIZING MATERIAL FROM A SOURCE AT A PRESSURE P1, STORING THE MATERIAL IN AN ACCUMULATION CHAMBER AT A PRESSURE P2, AND DISPENSING MATERIAL FROM SAID CHAMBER AND THROUGH AN ORIFICE AT A PRESSURE P3, THE IMPROVEMENTS OF SUPPLYING PLASTICIZED MATERIAL TO THE ACCUMULATION CHAMBER FROM SAID SOURCE WHENEVER P1 IS GREATER THAN P2, DEVELOPING PRESSURE P3 IN THE CHAMBER BY THE INSERTION OF A MATERIAL-DISPLACING ROD INTO THE CHAMBER, SIMULTANEOUSLY ISOLATING THE ACCUMULATION CHAMBER FROM THE PASTICIZER AND DISPENSING MATERIAL FROM THE CHAMBER THROUGH THE ORIFICE WHENEVER PRESSURE P3 IS DEVELOPED IN SAID CHAMBER, SUBSEQUENTLY ISOLATING THE CHAMBER FROM THE ORIFICE, DISPLACING SAID ROD FROM SAID CHAMBER BY SUPPLYING MATERIAL THERETO FROM SAID SOURCE, AND DEVELOPING PRESSUE P2 IN SAID CHAMBER BY THE RESISTANCE OF SAID ROD TO DISPLACEMENT FROM SAID CHAMBER.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |