GB611781A - Improved thermal device for effecting electrical switching operations - Google Patents
Improved thermal device for effecting electrical switching operationsInfo
- Publication number
- GB611781A GB611781A GB1391046A GB1391046A GB611781A GB 611781 A GB611781 A GB 611781A GB 1391046 A GB1391046 A GB 1391046A GB 1391046 A GB1391046 A GB 1391046A GB 611781 A GB611781 A GB 611781A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rod
- electrical switching
- improved thermal
- switching operations
- thermal device
- 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
- 244000000188 Vaccinium ovalifolium Species 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/64—Contacts
- H01H37/70—Resetting means
Landscapes
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
611,781. Thermal switches; switches held set and freed mechanically. SOUTH WALES SWITCHGEAR, Ltd., and MATHER, A. G. May 8, 1946, No. 13910. [Class 38 (v)] In a thermal switch for controlling a vulcanizing machine, a bimetallic strip 1 on the soleplate 2, on heating, raises an insulating rod 4 to separate contacts 5, 6, the rod being held in its raised position by a manually-releasable spring-plunger 17 which engages a recess 20 in the rod. The strip 1 has an extension 21 engaging a pivoted indicator 24. A screw 7 on the contact 5 is adjusted so as to bear on the rod 4 at the desired temperature of operation of the switch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1391046A GB611781A (en) | 1946-05-08 | 1946-05-08 | Improved thermal device for effecting electrical switching operations |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1391046A GB611781A (en) | 1946-05-08 | 1946-05-08 | Improved thermal device for effecting electrical switching operations |
Publications (1)
Publication Number | Publication Date |
---|---|
GB611781A true GB611781A (en) | 1948-11-03 |
Family
ID=10031601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1391046A Expired GB611781A (en) | 1946-05-08 | 1946-05-08 | Improved thermal device for effecting electrical switching operations |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB611781A (en) |
-
1946
- 1946-05-08 GB GB1391046A patent/GB611781A/en not_active Expired
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