G - Physics – 01 – P
Patent
G - Physics
01
P
G01P 13/00 (2006.01) D21F 1/36 (2006.01) D21F 7/08 (2006.01) G01B 7/00 (2006.01)
Patent
CA 2070370
A magnetic marker, comprising a first fabric base sheet, a plurality of magnetized fibers attached to a surface of the first fabric base sheet by bonding means, and a second fabric base sheet secured to the surface of the first fabric base sheet so as to interpose the magnetized fibers between the first and second fabric base sheets. The magnetic marker using magnetized fibers can withstand repeated piercing which is encountered in the application for detecting the position of the ground fabric during the process of needling for the production of felt. The magnetized fibers are firmly secured between the two fabric base sheets, optionally reinforced by a multiplicity of perpendicularly arranged yarn, that the magnetized fibers can retain the capability to generate magnetic flux even after repeated use.
Goudreau Gage Dubuc
Nippon Felt Co. Ltd.
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