Magnet article for attracting foreign matters in the stomach
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United States of America Patent
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Mar 17, 1992
Grant Date -
N/A
app pub date -
Feb 5, 1991
filing date -
Feb 7, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The magnet article for attracting foreign matters in the stomach is constituted by (a) a hollow cylindrical case made of a corrosion-resistant, non-magnetic material: (b) a plurality of disc-shaped yokes made of a soft magnetic material; (c) a plurality of disc-shaped magnet members made of an R-Fe-B permanent magnet material and having magnetic poles on both end surfaces, the disc-shaped magnet members being arranged alternately with the disc-shaped yokes in the hollow cylindrical case such that the magnetic poles having the same polarity of the adjacent disc-shaped magnet members face each other via each disc-shaped yoke; and (d) a pair of end covers made of a corrosion-resistant, non-magnetic material, each end cover being fixed to each end of the hollow cylindrical case so that the inside of the hollow cylindrical case is sealed.
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