US3883078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and a device for gunniting converter linings
Assignee: Individual
•
Filing: 1973-08-31
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Granted: 1975-05-13
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Expires: 1993-08-31
Abstract
Abstract A flame dusted with a pulverized refractory is directed tangentially to a lining surface and imparted a rotary motion, in which ducts are provided in a device and intended for the feeding onto a converter lining of a pulverized refractory, fuel and oxygen issuing from a nozzle whose axis is perpendicular to that of the ducts in a plane at right angle to a nozzle axis are deflected from a longitudinal axis at a 15*-90* angle.
Inventors
- 👤 Oleg Nikolaevich Chemeris
- 👤 Evgeny Vasilievich Tretyakov
- 👤 Viktor Kirillovich Didkovsky
- 👤 Vilen Davidovich Kanfer
- 👤 Nikolai Konstantinov Paschenko
- 👤 Izmail Grigorievich Zeltser
- 👤 Grigory Mikhailovich Ljukimson
- 👤 Alexandr Nikolaevich Bashkatov
- 👤 Boris Nikolaevich Melnikov
- 👤 Miron Yakovlevic Medzhibozhsky
- 👤 Ilya Alexandrovich Goldberg
- 👤 Izrail Abramovich Juzefovsky
- 👤 Rafail Davidovich Ratmansky
- 👤 Viktor Nikolaevich Irkha
- 👤 Jury Nikolaevich Borisov
- 👤 Fedor Filippovich Kurochkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:09
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/44; C21C5/441; C21C5/443; F; F27; F27D; F27D1/00; F27D1/16; F27D1/1636; F27D1/1642; F27D1/1647; F27D1/1652; F27D2001/1657
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A device for deposition of refractory material on linings of a symmetric converter by the cyclone method comprising a concentrically arranged ducting fOr conveying pulverized refractory material and fuel to a nozzle mounted at one end of said ducting, which ducting has a substantially straight main portion for extending along the longitudinal axix of the converter and a further portion extending from the main portion at an angle of substantially 15* to 90* to the main portion, the nozzle communicating with said further portion and being disposed with its axis substantially perpendicular to that of said further portion and to a plane common to said main portion and said further portion.
Claim 2
Independent Claim
111 words
A device for deposition of refractory material on linings of a symmetric converter by the cyclone method comprising a concentrically arranged ducting fOr conveying pulverized refractory material and fuel to a nozzle mounted at one end of said ducting, which ducting has a substantially straight main portion for extending along the longitudinal axix of the converter and a further portion extending from the main portion at an angle of substantially 15* to 90* to the main portion, the nozzle communicating with said further portion and being disposed with its axis substantially perpendicular to that of said further portion and to a plane common to said main portion and said further portion.
References Cited (Backward Citations)
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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) | 1978-05-12 | 1978-11-11 | 1979-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-12 | 1982-11-11 | 1983-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-12 | 1986-11-11 | 1987-05-13 | $7700.00 | Window Closed / Lapsed |