H - Electricity – 05 – B
Patent
H - Electricity
05
B
327/20, 327/22
H05B 6/06 (2006.01) B29C 65/32 (2006.01) B29C 65/36 (2006.01) H05B 6/02 (2006.01) H05B 6/10 (2006.01) H05B 6/40 (2006.01)
Patent
CA 2040814
This invention provides a system .for providing heat to a substrate in an alternating magnetic field using lossy heating particles. This invention in particular discloses an article which is a combination of a base material and lossy heating particles capable of producing the desired heat and capable of being self-regulating at a preselected Curie temperature when subjected to an alternating magnetic field produced by induction coil. The article of this invention is adapted to be placed on a substrate in order to heat the substrate in an alternating magnetic field and is adapted to provide the removal of the particles from the substrate after the heating is completed. Preferred materials for the article of this invention are gel materials having a cone penetration of at least about 50 (10-1 mm) and at least about 100% elongation. Preferred magnetic particles for use in this invention include the combination of lossy heating particles, alone or in combination with non-lossy particles, for maintaining the magnetic circuit coupling while the lossy heating particles are at the Curie temperature.
Fenton Ernest R.
Mcgaffigan Thomas H.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Delaware Capital Formation Inc.
Metcal Inc.
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