Claims
- 1. Process for the production of a slip-cast ceramic component with an internal chamfer which is optionally interrupted, which comprises slip-casting a ceramic blank having a uniform thickness, a desired internal configuration and an outwardly disposed volume having an external configuration, then cutting or machining the external configuration only to remove the outwardly disposed volume corresponding to the internal configuration thereby providing a smooth external surface.
- 2. Process according to claim 1 wherein the slip-cast ceramic component is a spacer ring for catalyst use with variable wall thickness and an interrupted internal chamfer.
- 3. Process according to claim 1 wherein machining removes exterior volume from the blank.
- 4. Process according to claim 1 wherein cutting removes exterior volume from the blank which is a presintered or a sintered compact.
- 5. Process according to claim 1 wherein external machining is carried out by external turning or external cylindrical grinding.
Priority Claims (1)
Number |
Date |
Country |
Kind |
4010092 |
Mar 1990 |
DEX |
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Parent Case Info
This application is a division of application Ser. No. 07/670,904 filed on Mar. 18, 1991 now abandoned.
US Referenced Citations (3)
Foreign Referenced Citations (3)
Number |
Date |
Country |
0387422 |
Oct 1990 |
EPX |
9010438 |
Sep 1990 |
DEX |
1457646 |
Nov 1966 |
FRX |
Non-Patent Literature Citations (1)
Entry |
Patent Abstracts of Japan, vol. 13, No. 477 (M-885) (3825) (1989). |
Divisions (1)
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Number |
Date |
Country |
Parent |
670904 |
Mar 1991 |
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