JPS6132801B2 - - Google Patents
Info
- Publication number
- JPS6132801B2 JPS6132801B2 JP20361281A JP20361281A JPS6132801B2 JP S6132801 B2 JPS6132801 B2 JP S6132801B2 JP 20361281 A JP20361281 A JP 20361281A JP 20361281 A JP20361281 A JP 20361281A JP S6132801 B2 JPS6132801 B2 JP S6132801B2
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- ferromagnetic member
- ferromagnetic
- top wall
- magnetic pole
- 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
- 230000005294 ferromagnetic effect Effects 0.000 claims description 30
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 230000005291 magnetic effect Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000010408 film Substances 0.000 description 13
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0231—Magnetic circuits with PM for power or force generation
- H01F7/0252—PM holding devices
- H01F7/0263—Closures, bags, bands, engagement devices with male and female parts
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20361281A JPS58105508A (ja) | 1981-12-18 | 1981-12-18 | 係合具 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20361281A JPS58105508A (ja) | 1981-12-18 | 1981-12-18 | 係合具 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58105508A JPS58105508A (ja) | 1983-06-23 |
| JPS6132801B2 true JPS6132801B2 (fr) | 1986-07-29 |
Family
ID=16476921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20361281A Granted JPS58105508A (ja) | 1981-12-18 | 1981-12-18 | 係合具 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58105508A (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5448806A (en) * | 1991-05-24 | 1995-09-12 | Riceman; Robert G. | Magnetic latch |
| CN1067164A (zh) * | 1991-05-24 | 1992-12-23 | 伦道夫-伦特有限公司 | 磁性碰锁 |
| US5400479A (en) * | 1991-05-24 | 1995-03-28 | Randolph-Rand Corporation | Magnetic latch |
| WO1994006319A1 (fr) * | 1992-09-11 | 1994-03-31 | Randolph-Rand Corporation | Dispositif de verrouillage magnetique |
| US5473799A (en) * | 1994-02-23 | 1995-12-12 | Application Art Laboratories Co., Ltd. | Magnetic closure device |
| US5675874A (en) * | 1996-02-16 | 1997-10-14 | Chen; Chi-Yueh | Magnetic fastener |
| GB2583072A (en) * | 2019-03-22 | 2020-10-21 | Oppidan Attire Ltd | Magnetic attachment mechanism |
-
1981
- 1981-12-18 JP JP20361281A patent/JPS58105508A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58105508A (ja) | 1983-06-23 |
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