CA2058695A1 - Sintered ceramic body and a method of making a spark plug insulator therefrom - Google Patents
Sintered ceramic body and a method of making a spark plug insulator therefromInfo
- Publication number
- CA2058695A1 CA2058695A1 CA 2058695 CA2058695A CA2058695A1 CA 2058695 A1 CA2058695 A1 CA 2058695A1 CA 2058695 CA2058695 CA 2058695 CA 2058695 A CA2058695 A CA 2058695A CA 2058695 A1 CA2058695 A1 CA 2058695A1
- Authority
- CA
- Canada
- Prior art keywords
- spark plug
- ceramic body
- sintered ceramic
- making
- plug insulator
- 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
Landscapes
- Ceramic Products (AREA)
- Spark Plugs (AREA)
Abstract
A sintered ceramic body for a spark plug insulator has nitride or oxinite-based ceramic powder with AlN or AlON as a main component. The insulator contains magnesium (Mg), an amount of which ranges from 0.01 wt%
to 5.0 wt% when the amount the magnesium (Mg) is calculated by reducing the magnesium (Mg) to its oxidized compound (MgO). The insulator further contains a sintering additive up to 10 wt% selected from the group consisting of alkali-based earth metals and rare-earth metals in which the weight percentage of the sintering additive is calculated by reducing the sintering additive to its oxidized compound.
to 5.0 wt% when the amount the magnesium (Mg) is calculated by reducing the magnesium (Mg) to its oxidized compound (MgO). The insulator further contains a sintering additive up to 10 wt% selected from the group consisting of alkali-based earth metals and rare-earth metals in which the weight percentage of the sintering additive is calculated by reducing the sintering additive to its oxidized compound.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2058695 CA2058695C (en) | 1992-01-02 | 1992-01-02 | Sintered ceramic body and a method of making a spark plug insulator therefrom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2058695 CA2058695C (en) | 1992-01-02 | 1992-01-02 | Sintered ceramic body and a method of making a spark plug insulator therefrom |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2058695A1 true CA2058695A1 (en) | 1993-07-03 |
CA2058695C CA2058695C (en) | 1997-06-03 |
Family
ID=4149021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2058695 Expired - Fee Related CA2058695C (en) | 1992-01-02 | 1992-01-02 | Sintered ceramic body and a method of making a spark plug insulator therefrom |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2058695C (en) |
-
1992
- 1992-01-02 CA CA 2058695 patent/CA2058695C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2058695C (en) | 1997-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |