JPS6421019A - Filter medium for molten metal - Google Patents
Filter medium for molten metalInfo
- Publication number
- JPS6421019A JPS6421019A JP62178046A JP17804687A JPS6421019A JP S6421019 A JPS6421019 A JP S6421019A JP 62178046 A JP62178046 A JP 62178046A JP 17804687 A JP17804687 A JP 17804687A JP S6421019 A JPS6421019 A JP S6421019A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- filter media
- molding
- ingot
- binder
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
PURPOSE:To prevent a molten metal which is filtered from being contaminated by the components of filter media and from being deteriorated in quality by molding specific high boiling aggregate grains by using an inorg. binder material having a specific compsn. and calcining the molding, thereby forming the filter media for the molten metal. CONSTITUTION:A defectless ingot is produced by filtering the metallic oxides and non-metallic inclusions such as small pieces of refractories in the molten metal at the time of casting the molten metal to the ingot. The filter media having fine open cells are produced as the filter media for the molten metal of this case by adding 4-20pts.wt. inorg. binder material having the compsn. consisting of 15-80% B2O3, 2-60% Al2O3, and 5-50% mixture composed of MgO and CaO mixed at 6/4-4/6 molar ratio as the binder with 100pts.wt. aggregate particles of SiC, Si3N4, electro-cast alumina, and sintered alumina, molding the mixture and calcining the molding. Since SiO2 is not incorporated into the binder of the filter media, the contamination by Si and the contamination of the molten metal by elution of CaO with the presence of MgO are obviated and the generation of cracks and pinholes at the time of rolling the ingot is obviated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62178046A JPS6421019A (en) | 1987-07-16 | 1987-07-16 | Filter medium for molten metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62178046A JPS6421019A (en) | 1987-07-16 | 1987-07-16 | Filter medium for molten metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6421019A true JPS6421019A (en) | 1989-01-24 |
| JPH0586460B2 JPH0586460B2 (en) | 1993-12-13 |
Family
ID=16041648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62178046A Granted JPS6421019A (en) | 1987-07-16 | 1987-07-16 | Filter medium for molten metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6421019A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02247337A (en) * | 1989-03-22 | 1990-10-03 | Nippon Light Metal Co Ltd | Filter for filtering aluminum molten metal and its manufacture |
| JPH03254805A (en) * | 1990-03-02 | 1991-11-13 | Ngk Insulators Ltd | Filter material for molten aluminum |
| JPH0426725A (en) * | 1990-05-18 | 1992-01-29 | Ngk Insulators Ltd | Filter medium for molten metal |
| JPH0653331U (en) * | 1991-08-30 | 1994-07-19 | 株式会社本田ロック | Vehicle steering lock device |
-
1987
- 1987-07-16 JP JP62178046A patent/JPS6421019A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02247337A (en) * | 1989-03-22 | 1990-10-03 | Nippon Light Metal Co Ltd | Filter for filtering aluminum molten metal and its manufacture |
| JPH03254805A (en) * | 1990-03-02 | 1991-11-13 | Ngk Insulators Ltd | Filter material for molten aluminum |
| JPH0426725A (en) * | 1990-05-18 | 1992-01-29 | Ngk Insulators Ltd | Filter medium for molten metal |
| JPH0653331U (en) * | 1991-08-30 | 1994-07-19 | 株式会社本田ロック | Vehicle steering lock device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0586460B2 (en) | 1993-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20071213 Year of fee payment: 14 |