Ishikawa Tekko Kabushiki Kaisha

Eizi Kosugi

Junzo Aisa

An iron powder attracting magnet, wherein a plurality of spaces are formed to open to an iron powder attracting surface and partitioned by a partition for attracting and removing iron powder contained in a fluid. The iron powder attracting magnet is made of a magnetic material which is prepared by impregnating a strontium ferrite into a synthetic resin.

Iron powder attracting magnet

A drain bolt wherein a recess is formed at the end of a male-threaded portion of a bolt body, and a sinker portion of a synthetic resin magnet is embedded in the recess of the bolt body so that a projecting portion of the magnet is projected from the end of the male-threaded portion of the bolt body. The projecting portion of the synthetic resin magnet is larger in diameter than the sinker portion. A plurality of grooves are formed on the side of the projecting portion of the synthetic resin magnet along its length.

Growing community of inventors

Shizuoka, Japan

Eizi Kosugi