Magnetic marker, magnetic marker retaining method, work apparatus for magnetic markers, and magnetic marker installation method
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United States of America Patent
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Apr 28, 2020
Grant Date -
Jan 31, 2019
app pub date -
Feb 8, 2017
filing date -
Feb 10, 2016
priority date (Note) -
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Abstract
A magnetic marker retaining method that includes placing a plurality of sheet-shaped magnetic markers on a surface of a band-shaped carrier sheet, the plurality of sheet-shaped magnetic markers being so as to be spaced in a longitudinal direction of the band-shaped carrier sheet; and retaining the plurality of sheet-shaped magnetic markers in a state of a roll body with the band-shaped carrier sheet rolled up in a roll shape, the band-shaped carrier sheet being rolled up such that each surface of the plurality of sheet-shaped magnetic markers directly contacts the other side of the surface of the band-shaped carrier sheet, on which the plurality of sheet-shaped magnetic markers are placed, and the plurality of sheet-shaped magnetic markers being to be laid on a road.
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