Patent US3167191A successfully refreshed from Google Patents.
US3167191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass batch feeding apparatus and method
Assignee: Libbey Owens Ford Glass Co
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Filing: 1962-11-13
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Granted: 1965-01-26
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Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Jr James T Zellers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:17
CPC Classifications
C; C03; C03B; C03B3/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
124 words
APPARATUS FOR FEEDING AND MIXING MEASURED QUANTITIES OF DIFFERENT GRANULAR OR FINELY DIVIDED MATERIALS SUCH AS RAW GLASS MAKING MATERIALS AND CULLET TO THE CHARGING END OF A MELTING FURANCE, COMPRISING, IN COMBINATION, AN ELONGATED ROTATABLE FEED ROLL PROVIDED WITH A SERIES OF COMPARTMENTS ARRANGED LONGITUDINALLY AND CIRCUMFERENTIALLY OF SAID ROLL, MEANS FOR ROTATING SAID ROLL ABOUT ITS LONGITUDINAL AXIS, MEANS FOR FEEDING RAW GLASS MAKING MATERIALS INTO THE INDIVIDUAL COMPARTMENTS OF THE ROLL AS SAID ROLL ROTATES, MEANS FOR SEPARATELY FEEDING CULLET UPON THE RAW GLASS MAKING MATERIALS IN SAID COMPARTMENTS, AND MEANS FOR COMPACTING THE CULLET AGAINST TH RAW GLASS MAKING MATERIALS AS THE SAID FEED ROLL ROTATES TO CAUSE A MIXING THEREOF DURING THE FEEDING OF THE MATERIAL INTO THE FURNACE.
Claim 2
Dependent Claim
124 words
APPARATUS FOR FEEDING AND MIXING MEASURED QUANTITIES OF DIFFERENT GRANULAR OR FINELY DIVIDED MATERIALS SUCH AS RAW GLASS MAKING MATERIALS AND CULLET TO THE CHARGING END OF A MELTING FURANCE, COMPRISING, IN COMBINATION, AN ELONGATED ROTATABLE FEED ROLL PROVIDED WITH A SERIES OF COMPARTMENTS ARRANGED LONGITUDINALLY AND CIRCUMFERENTIALLY OF SAID ROLL, MEANS FOR ROTATING SAID ROLL ABOUT ITS LONGITUDINAL AXIS, MEANS FOR FEEDING RAW GLASS MAKING MATERIALS INTO THE INDIVIDUAL COMPARTMENTS OF THE ROLL AS SAID ROLL ROTATES, MEANS FOR SEPARATELY FEEDING CULLET UPON THE RAW GLASS MAKING MATERIALS IN SAID COMPARTMENTS, AND MEANS FOR COMPACTING THE CULLET AGAINST TH RAW GLASS MAKING MATERIALS AS THE SAID FEED ROLL ROTATES TO CAUSE A MIXING THEREOF DURING THE FEEDING OF THE MATERIAL INTO THE FURNACE.
Claim 3
Dependent Claim
108 words
IN A METHOD OF FEEDING MEASURED QUANTITIES OF RAW GLASS MAKING MATERIALS AND CULLET ONTO THE MOLTEN GLASS IN THE CHARGING END OF A GLASS MELTING FURNACE, THE STEPS OF ROTATING A COMPARTMENTED CYLINDRICAL SURFACE ABOUT ITS LONGITUDINAL AXIS AND DEPOSITING RAW GLASS MAKING MATERALS INTO THE COMPARTMENTS FROM A STATIONARY SOURCE PAST WHICH THE COMPARTMENTS MOVE, SEPARATELY DEPOSITING GLASS CULLET UPON THE RAW GLASS MAKING MATERIALS IN SAID COMPARTMENTS, COMPARTING THE CULLET INTO THE RAW GLASS MAKING MATERIALS UPON CONTINUED ROTATION OF THE CYLINDRICAL SURFACE TO CAUSE THE MIXING THEREOF, AND DEPOSITING THE RAW GLASS MAKING MATERIALS AND CULLET ON THE MOLTEN GLASS IN A CONTINUOUS LAYER.
Claim 4
Dependent Claim
108 words
IN A METHOD OF FEEDING MEASURED QUANTITIES OF RAW GLASS MAKING MATERIALS AND CULLET ONTO THE MOLTEN GLASS IN THE CHARGING END OF A GLASS MELTING FURNACE, THE STEPS OF ROTATING A COMPARTMENTED CYLINDRICAL SURFACE ABOUT ITS LONGITUDINAL AXIS AND DEPOSITING RAW GLASS MAKING MATERALS INTO THE COMPARTMENTS FROM A STATIONARY SOURCE PAST WHICH THE COMPARTMENTS MOVE, SEPARATELY DEPOSITING GLASS CULLET UPON THE RAW GLASS MAKING MATERIALS IN SAID COMPARTMENTS, COMPARTING THE CULLET INTO THE RAW GLASS MAKING MATERIALS UPON CONTINUED ROTATION OF THE CYLINDRICAL SURFACE TO CAUSE THE MIXING THEREOF, AND DEPOSITING THE RAW GLASS MAKING MATERIALS AND CULLET ON THE MOLTEN GLASS IN A CONTINUOUS LAYER.
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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |