ES405379A2 - Process for manufacturing articles of transparent alumina - Google Patents
Process for manufacturing articles of transparent aluminaInfo
- Publication number
- ES405379A2 ES405379A2 ES405379A ES405379A ES405379A2 ES 405379 A2 ES405379 A2 ES 405379A2 ES 405379 A ES405379 A ES 405379A ES 405379 A ES405379 A ES 405379A ES 405379 A2 ES405379 A2 ES 405379A2
- Authority
- ES
- Spain
- Prior art keywords
- transparent alumina
- manufacturing articles
- frying
- main patent
- carbon
- 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
- C04B35/10—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 aluminium oxide
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Improvements Introduced in the object of the Main Patent No. 384,756, put "Procedure for the manufacture of pieces of transparent alumina" by frying, according to any of the points of the main Patent, characterized in that at least the second firing, also called final frying, it is carried out in the presence of carbon, in addition to the carbon oxide atmosphere. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7128434A FR2148782A6 (en) | 1971-08-03 | 1971-08-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES405379A2 true ES405379A2 (en) | 1977-06-16 |
Family
ID=9081394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES405379A Expired ES405379A2 (en) | 1971-08-03 | 1972-07-31 | Process for manufacturing articles of transparent alumina |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS4825709A (en) |
BE (1) | BE786678R (en) |
DE (1) | DE2236271A1 (en) |
ES (1) | ES405379A2 (en) |
FR (1) | FR2148782A6 (en) |
GB (1) | GB1397974A (en) |
IT (1) | IT1048400B (en) |
NL (1) | NL7210581A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5527837A (en) * | 1978-08-14 | 1980-02-28 | Ngk Insulators Ltd | Polycrystal transparent spinel sintered article and its manufacture |
JPS5825146Y2 (en) * | 1978-12-01 | 1983-05-30 | 日産自動車株式会社 | clutch release device |
JPS616031U (en) * | 1984-06-19 | 1986-01-14 | トヨタ自動車株式会社 | Lubricating device for spherical friction sliding parts |
JPH0241370Y2 (en) * | 1984-09-04 | 1990-11-05 |
-
0
- BE BE786678D patent/BE786678R/en active
-
1971
- 1971-08-03 FR FR7128434A patent/FR2148782A6/fr not_active Expired
-
1972
- 1972-07-24 DE DE19722236271 patent/DE2236271A1/en active Pending
- 1972-07-26 GB GB3504972A patent/GB1397974A/en not_active Expired
- 1972-07-31 ES ES405379A patent/ES405379A2/en not_active Expired
- 1972-08-01 IT IT6951372A patent/IT1048400B/en active
- 1972-08-02 NL NL7210581A patent/NL7210581A/xx unknown
- 1972-08-03 JP JP47077367A patent/JPS4825709A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
BE786678R (en) | 1973-01-25 |
DE2236271A1 (en) | 1973-02-15 |
FR2148782A6 (en) | 1973-03-23 |
JPS4825709A (en) | 1973-04-04 |
GB1397974A (en) | 1975-06-18 |
NL7210581A (en) | 1973-02-06 |
IT1048400B (en) | 1980-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20100616 |