US3142391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coke oven charging machine having mechanism for removing and replacing charging hole covers
Assignee: Krupp Wilputte Corp
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Filing: 1961-07-17
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Granted: 1964-07-28
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Olav M Tweit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:41
CPC Classifications
C; C10; C10B; C10B31/00; C10B31/02; C10B31/04; B; B66; B66C; B66C1/00; B66C1/10; B66C1/62; B66C1/66; C10B25/00; C10B25/20; F; F16; F16H; F16H19/00; F16H19/02; F16H19/04; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17231; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18096; Y10T74/18112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
IN COMBINATION WITH A COKE OVEN CHARGING APPARATUS INCLUDING A LARRY MOVABLE ALONG THE TOP OF AN OVEN BATTERY, AND HOPPERS ON SAID LARRY ADAPTED TO CONTAIN CHARGES FOR DISCHARGE INTO THE CHARGING HOLES OF A COKING CHAMBER OF THE BATTERY AND EACH HAVING A DISCHARGE CHUTE WITH A NORMALLY RETRACTED SLEEVE WHICH IS EXTENDED DOWNWARDLY TO ENGAGE THE MOUTH OF A CHARGING HOLE DURING DISCHARGE OF THE CHARGE THROUGH THE LATTER; A MEANS FOR REMOVING AND REPLACING THE COVERS OF THE CHARGING HOLES BEFORE AND AFTER, RESPECTIVELY, THE DISCHARGE OF SAID CHARGES INTO SAID COKING CHAMBER, SAID MEANS COMPRISING AN ARM ASSEMBLY ASSOCIATED WITH EACH HOPPER, MEANS MOUNTING SAID ARM ASSEMBLY ON SAID LARRY FOR VERTICAL MOVEMENT BETWEEN RAISED AND LOWERED POSITION AND FOR HORIZONTAL SWINGING MOVEMENT UNDER THE DISCHARGE CHUTE BETWEEN REST AND CHARGING POSITIONS REMOTE FROM SAID CHUTE AND AN INTERMEDIATE POSITION WHERE SAID ARM ASSEMBLY PROJECTS BETWEEN SAID CHUTE AND A
Claim 2
Dependent Claim
155 words
IN COMBINATION WITH A COKE OVEN CHARGING APPARATUS INCLUDING A LARRY MOVABLE ALONG THE TOP OF AN OVEN BATTERY, AND HOPPERS ON SAID LARRY ADAPTED TO CONTAIN CHARGES FOR DISCHARGE INTO THE CHARGING HOLES OF A COKING CHAMBER OF THE BATTERY AND EACH HAVING A DISCHARGE CHUTE WITH A NORMALLY RETRACTED SLEEVE WHICH IS EXTENDED DOWNWARDLY TO ENGAGE THE MOUTH OF A CHARGING HOLE DURING DISCHARGE OF THE CHARGE THROUGH THE LATTER; A MEANS FOR REMOVING AND REPLACING THE COVERS OF THE CHARGING HOLES BEFORE AND AFTER, RESPECTIVELY, THE DISCHARGE OF SAID CHARGES INTO SAID COKING CHAMBER, SAID MEANS COMPRISING AN ARM ASSEMBLY ASSOCIATED WITH EACH HOPPER, MEANS MOUNTING SAID ARM ASSEMBLY ON SAID LARRY FOR VERTICAL MOVEMENT BETWEEN RAISED AND LOWERED POSITION AND FOR HORIZONTAL SWINGING MOVEMENT UNDER THE DISCHARGE CHUTE BETWEEN REST AND CHARGING POSITIONS REMOTE FROM SAID CHUTE AND AN INTERMEDIATE POSITION WHERE SAID ARM ASSEMBLY PROJECTS BETWEEN SAID CHUTE AND A
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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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |