GB1173697A - Continuous Process and Apparatus for Preparing Fired Ferrite Bodies. - Google Patents
Continuous Process and Apparatus for Preparing Fired Ferrite Bodies.Info
- Publication number
- GB1173697A GB1173697A GB5851567A GB5851567A GB1173697A GB 1173697 A GB1173697 A GB 1173697A GB 5851567 A GB5851567 A GB 5851567A GB 5851567 A GB5851567 A GB 5851567A GB 1173697 A GB1173697 A GB 1173697A
- Authority
- GB
- United Kingdom
- Prior art keywords
- muffle
- conveyer
- ferrites
- inert gas
- shoot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compounds Of Iron (AREA)
Abstract
1,173,697. Continuous muffle furnaces. T. S. ALLDEN (Indiana General Corp.) 22 Dec., 967, No. 58515/67. Heading F4B. [Also in Division H1]. Apparatus for producing miniature fired ferrite bodies comprises a moulding device feeding a shoot leading to a conveyer 30 passing into and through a continuous, miniature muffle furnace 40, means for supplying inert gas at the exit end thereof, means for supplying air towards the entry end; means for extracting atmosphere gas from about the middle of said muffle and means for conveying ferrites from the conveyer to a testing device. Ferrite core bodies ejected from the moulding device are propelled by air from a jet 11 into the feed shoot (Fig. 8) which deposits them as a single layer on the conveyer 30. The muffle 45 is supplied with air through a tube 64 having an exit port 67 and with inert gas, e.g. N 2 , Ar, CO 2 or water vapour, through a chamber 59 at the exit end, and a vacuum tube with a port 69 in the middle region exhausts the gaseous atmospheres. A mass of brickwork surrounding the alumina muffle is formed with a hollow channel 49 to accommodate the resistance heating coil 50 surrounding the muffle. The conveyer 30 is a flexible mesh belt made of Pt-10% Rh alloy, its wheels 31, 32 being driven by a motor 33 through speed reducers 34, 37, a coupling 35 and shaft 36. After bearing the belt the treated ferrites pass down a shoot (90, Fig. 6) to a testing device similar to that disclosed in U.S. Specification 3,060,376. The ferrites, which have an outside diameter of 0À020-0À050 inch and an inside diameter of 0À013-0À030 inch, are heated to about 1500‹ C. the introduced air burning out the binder and the inert gas preventing reoxidation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5851567A GB1173697A (en) | 1967-12-22 | 1967-12-22 | Continuous Process and Apparatus for Preparing Fired Ferrite Bodies. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5851567A GB1173697A (en) | 1967-12-22 | 1967-12-22 | Continuous Process and Apparatus for Preparing Fired Ferrite Bodies. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1173697A true GB1173697A (en) | 1969-12-10 |
Family
ID=10481812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5851567A Expired GB1173697A (en) | 1967-12-22 | 1967-12-22 | Continuous Process and Apparatus for Preparing Fired Ferrite Bodies. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1173697A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2411813A1 (en) * | 1977-12-13 | 1979-07-13 | Thomson Csf | FAST SINTERING PROCESS OF CERAMIC PARTS, OVEN FOR IMPLEMENTING SUCH A PROCESS, AND FERRITE THUS OBTAINED |
-
1967
- 1967-12-22 GB GB5851567A patent/GB1173697A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2411813A1 (en) * | 1977-12-13 | 1979-07-13 | Thomson Csf | FAST SINTERING PROCESS OF CERAMIC PARTS, OVEN FOR IMPLEMENTING SUCH A PROCESS, AND FERRITE THUS OBTAINED |
| US4350651A (en) | 1977-12-13 | 1982-09-21 | Thomson-Csf | Process for the rapid sintering of ceramic components and a kiln for carrying out said process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |