Title:
PTC SHEET HEATING ELEMENT
Document Type and Number:
Japanese Patent JP2005150070
Kind Code:
A
Abstract:
To provide a new PTC sheet heating element having an extremely high PTC ratio, a high heat generation function without causing a local overheat, excellent flexibility and high shape stability.
This PTC sheet heating element is composed by sequentially overlaying a soaking sheet on one surface or both surfaces of a planar heat generation sheet formed by impregnating or applying a PTC conductive composition comprising 14-22 wt.% of solid carbon black or graphite, paraffin having a melting point of 86-110°C, and a thermoplastic elastomer into/to a fabric cloth, and an insulating film on its both surfaces.
More Like This:
| WO/2005/055914 | HEATED MASSAGE CABIN |
| WO/2002/052899 | SURFACE HEATING DEVICE, METHOD FOR PRODUCING THE SAME AND HEATABLE OBJECT |
Inventors:
KOBAYASHI MUNENORI
ONO KAZUMI
FUJII NAOTOSHI
NUNOKAWA SHOJI
SUGAO KIYOSHI
ONO KAZUMI
FUJII NAOTOSHI
NUNOKAWA SHOJI
SUGAO KIYOSHI
Application Number:
JP2003423670A
Publication Date:
June 09, 2005
Filing Date:
November 19, 2003
Export Citation:
Assignee:
SHUHO KK
International Classes:
H05B3/34; H05B3/14; H05B3/20; (IPC1-7): H05B3/34; H05B3/14; H05B3/20
Domestic Patent References:
| JPH0497826U | 1992-08-25 | |||
| JP2001052902A | 2001-02-23 | |||
| JP2001110552A | 2001-04-20 | |||
| JPH11354261A | 1999-12-24 | |||
| JP2003133103A | 2003-05-09 | |||
| JPH02230684A | 1990-09-13 |