JPS56936A - Ceiling plate structure for high-frequency heater - Google Patents
Ceiling plate structure for high-frequency heaterInfo
- Publication number
- JPS56936A JPS56936A JP7462479A JP7462479A JPS56936A JP S56936 A JPS56936 A JP S56936A JP 7462479 A JP7462479 A JP 7462479A JP 7462479 A JP7462479 A JP 7462479A JP S56936 A JPS56936 A JP S56936A
- Authority
- JP
- Japan
- Prior art keywords
- bottom portion
- ceiling plate
- raised bottom
- raised
- plate structure
- 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.)
- Pending
Links
Landscapes
- Electric Ovens (AREA)
Abstract
PURPOSE: To prevent a ceiling plate against warp due to thermal strain by a method wherein a raised bottom portion is formed at the central portion of a ceiling plate, the diameter of the upper surface portion of the ceiling plate is set to be 0.6W0.8 times as large as the size of the bottom portion of the ceiling plate, and the height of the raised bottom portion is set to be not less than 3m/m.
CONSTITUTION: A flat raised bottom portion 11 circular in its plan view is formed at the central portion of the bottom portion of a ceiling plate 10, and a groove- shaped bottom portion 12 is formed around the raised bottom portion 11, with a tapered bottom wall portion 13 therebetween. The diameter ϕ of the raised bottom portion 11 is set to be 0.6W0.8 times as large as the size W of the bottom portion of the ceiling plate as a whole, while the height H of the raised bottom portion 11 is set to be not less than 3m/m. Accordingly, in the case of cooking by a heater, the ceiling plate 10 is free from a warping phenomenon due to thermal strain even if the temperature of the preheated ceiling plate 10 is partially and suddenly lowered by food placed on the raised bottom portion 11.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7462479A JPS56936A (en) | 1979-06-15 | 1979-06-15 | Ceiling plate structure for high-frequency heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7462479A JPS56936A (en) | 1979-06-15 | 1979-06-15 | Ceiling plate structure for high-frequency heater |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56936A true JPS56936A (en) | 1981-01-08 |
Family
ID=13552520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7462479A Pending JPS56936A (en) | 1979-06-15 | 1979-06-15 | Ceiling plate structure for high-frequency heater |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56936A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63226544A (en) * | 1987-03-17 | 1988-09-21 | Matsushita Electric Ind Co Ltd | Oven tray |
-
1979
- 1979-06-15 JP JP7462479A patent/JPS56936A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63226544A (en) * | 1987-03-17 | 1988-09-21 | Matsushita Electric Ind Co Ltd | Oven tray |
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