Title (en)

HEATING MATS

Publication

EP 0409393 A3 19920115 (EN)

Application

EP 90305912 A 19900531

Priority

AU PJ531089 A 19890717

Abstract (en)

[origin: EP0409393A2] A heating mat having a flat, constant temperature heating element. The heating element comprises a flat sheet consisting of a layer of composite graphite carbon and polyethylene glycol sandwiched between two sheets of plastic film. One of said sheets of plastic film having a strip conductor for connecting an electric current across the layer of composite graphite carbon and polyethylene glycol. The heating element is encapsulated by a cover to form the mat.

IPC 1-7

H05B 3/36; H05B 3/14

IPC 8 full level

H05B 3/14 (2006.01); H05B 3/36 (2006.01)

CPC (source: EP)

H05B 3/146 (2013.01); H05B 3/36 (2013.01); H05B 2203/011 (2013.01); H05B 2203/016 (2013.01); H05B 2203/017 (2013.01); H05B 2203/026 (2013.01)

Citation (search report)

• [X] EP 0219678 A1 19870429 - YASUDA SHIGEYUKI
• [X] US 4629584 A 19861216 - YASUDA SHIGEYUKI [JP]
• [E] EP 0376195 A1 19900704 - YASUDA SHIGEYUKI
• [Y] EP 0223444 A2 19870527 - COLLINS & AIKMAN CORP [US]
• [A] EP 0078937 A1 19830518 - GEN ELECTRIC [US]
• [A] US 4717812 A 19880105 - MAKITA HAJIME [JP]

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0409393 A2 19910123; EP 0409393 A3 19920115

DOCDB simple family (application)

EP 90305912 A 19900531