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US3283055A
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US
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Temperature control system for high temperature melters or the like
Assignee: Owens Corning
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Filing: 1963-08-15
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Granted: 1966-11-01
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Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 William C Trethewey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:03
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; C; C03; C03B; C03B37/00; C03B37/08; C03B37/09; C03B37/091; C03B5/00; C03B5/16; C03B5/24; G05D23/20; G05D23/24; G05D23/2401; G05D23/2451; G05D23/2456
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN COMBINATION WITH APPARATUS FOR PRODUCING HIGH STRENGTH, HIGHLY REFRACTORY GLASS FILAMENTS, WHICH APPARATUS INCLUDES A BUSHING HAVING A PERFORATED HEATER PLATE EXTENDING THERETHROUGH AND THROUGH WHICH GLASS BEING MELTED MUST PASS, A PAIR OF LEADS CONNECTED TO SPACED PORTIONS OF SAID HEATER PLATE, POWER MEANS FOR SUPPLYING POWER TO SAID LEADS, A PLURALITY OF BUSHING TIPS AT THE BOTTOM OF SAID BUSHING, MEANS FOR SUPPLYING REFRACTORY MATERIAL TO SAID BUSHING OVER SAID HEATER PLATE, AND MEANS FOR ATTENUATING GLASS FILAMENTS FROM MOLTEN GLASS AT THE BUSHING TIPS, A TEMPERATURE CONTROL SYSTEM FOR CONTROLLING THE TEMPERATURE OF SAID HEATER PLATE AND OF THE GLASS FLOWING THERETHOUGH, SAID TEMPERATURE CONTROL SYSTEM COMPRISING MEANS CONNECTED ACROSS SAID HEATER PLATE AT SPACED PORTIONS THEREOF FOR SENSING VOLTAGE ACROSS SAID HEATER PLATE AND FOR PRODUCING A SIGNAL IN RESPONSE THERETO, AND MEANS RESPONSIVE TO SAID VOLTAGE SENSING MEANS FOR
Claim 2
Dependent Claim
145 words
IN COMBINATION WITH APPARATUS FOR PRODUCING HIGH STRENGTH, HIGHLY REFRACTORY GLASS FILAMENTS, WHICH APPARATUS INCLUDES A BUSHING HAVING A PERFORATED HEATER PLATE EXTENDING THERETHROUGH AND THROUGH WHICH GLASS BEING MELTED MUST PASS, A PAIR OF LEADS CONNECTED TO SPACED PORTIONS OF SAID HEATER PLATE, POWER MEANS FOR SUPPLYING POWER TO SAID LEADS, A PLURALITY OF BUSHING TIPS AT THE BOTTOM OF SAID BUSHING, MEANS FOR SUPPLYING REFRACTORY MATERIAL TO SAID BUSHING OVER SAID HEATER PLATE, AND MEANS FOR ATTENUATING GLASS FILAMENTS FROM MOLTEN GLASS AT THE BUSHING TIPS, A TEMPERATURE CONTROL SYSTEM FOR CONTROLLING THE TEMPERATURE OF SAID HEATER PLATE AND OF THE GLASS FLOWING THERETHOUGH, SAID TEMPERATURE CONTROL SYSTEM COMPRISING MEANS CONNECTED ACROSS SAID HEATER PLATE AT SPACED PORTIONS THEREOF FOR SENSING VOLTAGE ACROSS SAID HEATER PLATE AND FOR PRODUCING A SIGNAL IN RESPONSE THERETO, AND MEANS RESPONSIVE TO SAID VOLTAGE SENSING MEANS FOR
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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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |