JPS5544723A - Solenoid - Google Patents
SolenoidInfo
- Publication number
- JPS5544723A JPS5544723A JP11800878A JP11800878A JPS5544723A JP S5544723 A JPS5544723 A JP S5544723A JP 11800878 A JP11800878 A JP 11800878A JP 11800878 A JP11800878 A JP 11800878A JP S5544723 A JPS5544723 A JP S5544723A
- Authority
- JP
- Japan
- Prior art keywords
- vessel
- ferromagnetic substances
- synthetic resin
- fixed core
- ferromagnetic
- 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
- Electromagnets (AREA)
Abstract
PURPOSE: To obtain a core simply and efficiently, by eliminating the need for complicated machinework by manufacturing a vessel conforming to an external form of a fixed core with synthetic resin and by filling and enclosing ferromagnetic substances into the vessel.
CONSTITUTION: A fixed core 1 is composed of a vessel 5 in synthetic resin according with an external shape of the fixed core and ferromagnetic substances 6 filled in the vessel. Thermoplastic synthetic resin, such as polypropylene, polyethylene, etc. is used as synthetic resin constituting the vessel 5, and the separateness or its mixture of an oxide of metal, such as nickel, chrome, etc. is employed as the ferromagnetic substances 6 in a powdered or granular shape. These ferromagnetic substances 6 are admitted from an inlet 7 of the vessel 5, and the ferromagnetic substances are enclosed by screwing a screw 8 into the inlet 7 after filling the ferromagnetic substances while contact among the ferromagnetic substance 6 is compacted by the push force of the screw 8. Thus, the fixed core can be acquired simply and efficiently because complex machinework becomes useless.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11800878A JPS5544723A (en) | 1978-09-27 | 1978-09-27 | Solenoid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11800878A JPS5544723A (en) | 1978-09-27 | 1978-09-27 | Solenoid |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5544723A true JPS5544723A (en) | 1980-03-29 |
Family
ID=14725759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11800878A Pending JPS5544723A (en) | 1978-09-27 | 1978-09-27 | Solenoid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5544723A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5255151A (en) * | 1990-10-22 | 1993-10-19 | Lijun Cai | Electromagnet with momentary demagnetization |
-
1978
- 1978-09-27 JP JP11800878A patent/JPS5544723A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5255151A (en) * | 1990-10-22 | 1993-10-19 | Lijun Cai | Electromagnet with momentary demagnetization |
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