H - Electricity – 01 – C
Patent
H - Electricity
01
C
H01C 7/02 (2006.01) H01C 1/01 (2006.01) H01C 1/14 (2006.01) H01C 17/065 (2006.01) H05B 3/14 (2006.01) H05B 3/20 (2006.01) H05B 3/34 (2006.01) H05B 3/36 (2006.01)
Patent
CA 2489565
The flexible PTC heating element according to the invention has one of the following constitutions. A portion of an electrodes and a PTC resistor is impregnated into a flexible substrate. A flexible substrate is made of resin foam or rubber material having a concave/convex shape formed on the surface. The flexible PTC heating element has an elongation deformation portion disposed to at least one of an electrode and a PTC resistor. A flexible substrate has adhesiveness and either a flexible substrate or a flexible cover material has an elongation control portion. Therefore, the flexible PTC heating element is highly flexible and excellent in vibration durability.
La présente invention concerne un élément chauffant PTC souple dans lequel des parties d'une électrode et un corps de résistance PTC sont noyés dans un matériau de base souple et ce matériau de base souple est constitué d'un corps de mousse de résine ou d'un matériau en caoutchouc possédant une forme irrégulière sur sa surface, ou une partie se déformant par dilatation est placée au moins sur l'électrode et le corps de résistance PTC et ce matériau de base souple possède un pouvoir adhésif. Ce matériau de base souple ou un matériau de revêtement souple possède une partie résistant à la dilatation, une grande souplesse et une excellente durabilité contre l'attaque électrique peut être obtenue sur cet élément chauffant PTC souple.
Ishii Takahito
Kohara Kazuyuki
Terakado Seishi
Yasui Keiko
Yoneyama Mitsuru
Matsushita Electric Industrial Co. Ltd.
Sim & Mcburney
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