Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1976-09-24
1977-10-18
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
335302, H01F 702
Patent
active
RE0294519
ABSTRACT:
A rubber-like flexible permanent magnet comprised of a mixture of granular, high coercivity, permanent magnet material and a rubber-like flexible binder material. A substantial e.g. 90 percent amount of the permanent magnetic material have a grain size of from 0.125 to 0.3 mm. More magnetic material may be used with the same flexibility. Light colored powders such as titanium oxide, or aluminum can be added or the grains coated with a metallic layer using vacuum deposition or a chemical bath deposition to make the final magnet light in color.
REFERENCES:
patent: 3124725 (1964-03-01), Leguillon
patent: 3191106 (1965-06-01), Baermann
patent: 3406363 (1968-10-01), Tate
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