JPS5482750A - Door sealing device for high frequency heating apparatus - Google Patents
Door sealing device for high frequency heating apparatusInfo
- Publication number
- JPS5482750A JPS5482750A JP15032177A JP15032177A JPS5482750A JP S5482750 A JPS5482750 A JP S5482750A JP 15032177 A JP15032177 A JP 15032177A JP 15032177 A JP15032177 A JP 15032177A JP S5482750 A JPS5482750 A JP S5482750A
- Authority
- JP
- Japan
- Prior art keywords
- groove
- wave
- width
- door
- elctric
- 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
- Constitution Of High-Frequency Heating (AREA)
Abstract
PURPOSE: To prevent elctric-wave leakage without necessitating ferrite rubber by arranging metal or dielectrics having a high dielectric constant in a proper cycle constitution in the groove part of a door and constituting a delaying line having a phase velocity smaller than the velocity of light in the longitudinal direction of the groove.
CONSTITUTION: A door part consisting of front door plate 1 and rear door plate 2 which are arranged opposed to an oven flange 3 is equipped with a groove 8 which has an opening opposed to said flange 3. The opening part of the groove 8 has a width 12 smaller than the width 13 of the wall surface of a heating chamber, and the elctric-wave passage 19 in parallel flat board line is formed. The groove is protected with a choke cover 9 made of dielectrics, and a wave-shaped metal plate 10 is installed in the groove. The metal plate 10 having a width 14 larger than about λ(wave length)/30 of the electric wave in use and a bending length 15 less than about λ/2, is installed in the longitudianl direction of the groove 8, keeping a distance 17 less than about λ/12.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15032177A JPS606080B2 (en) | 1977-12-13 | 1977-12-13 | Door seal device for high frequency heating equipment |
GB7848147A GB2011770B (en) | 1977-12-13 | 1978-12-12 | Door seal arrangement for high-frequency heating apparatus |
DE2853616A DE2853616C2 (en) | 1977-12-13 | 1978-12-12 | Sealing arrangement against the escape of electromagnetic waves from an HF heating device |
CA000317775A CA1120551A (en) | 1977-12-13 | 1978-12-12 | Door seal arrangement for high-frequency heating apparatus |
US05/969,095 US4254318A (en) | 1977-12-13 | 1978-12-13 | Door seal arrangement for high-frequency heating apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15032177A JPS606080B2 (en) | 1977-12-13 | 1977-12-13 | Door seal device for high frequency heating equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5482750A true JPS5482750A (en) | 1979-07-02 |
JPS606080B2 JPS606080B2 (en) | 1985-02-15 |
Family
ID=15494457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15032177A Expired JPS606080B2 (en) | 1977-12-13 | 1977-12-13 | Door seal device for high frequency heating equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS606080B2 (en) |
-
1977
- 1977-12-13 JP JP15032177A patent/JPS606080B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS606080B2 (en) | 1985-02-15 |
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