EP 0109019 A3 19850515 - SURFACE HEATING ELEMENT, ESPECIALLY FOR BANDAGES OR ELECTRIC BLANKETS
Title (en)
SURFACE HEATING ELEMENT, ESPECIALLY FOR BANDAGES OR ELECTRIC BLANKETS
Publication
Application
Priority
AT 409482 A 19821111
Abstract (en)
[origin: US4518851A] A planar heating element having a positive temperature coefficient has a plurality of spaced electric current supply lines constituted by contact bands and a planar support, the electric current supply lines being operatively connected to the planar support, the contact bands and the support including an electrically conductive synthetic resin whose electrical resistance has a positive temperature coefficient.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
H05B 3/34 (2013.01 - EP US); H05B 2203/007 (2013.01 - EP US); H05B 2203/011 (2013.01 - EP US); H05B 2203/013 (2013.01 - EP US); H05B 2203/014 (2013.01 - EP US); H05B 2203/016 (2013.01 - EP US); H05B 2203/017 (2013.01 - EP US); H05B 2203/02 (2013.01 - EP US); H05B 2203/032 (2013.01 - EP US); H05B 2203/033 (2013.01 - EP US)
Citation (search report)
- FR 2456453 A1 19801205 - SUNBEAM CORP [US]
- FR 1535059 A 19680802
- DE 2229808 A1 19740307 - LUECKENHAUS FA PETER AUGUST
- EP 0100715 A1 19840215 - THOMSON CSF [FR]
- FR 2434542 A1 19800321 - DREAMLAND ELECTRICAL APPLIANCE [GB]
- FR 2419643 A1 19791005 - MCMULLAN JAMES [US]
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0109019 A2 19840523; EP 0109019 A3 19850515; AT 383931 B 19870910; AT A409482 A 19870115; JP S5999690 A 19840608; US 4518851 A 19850521; US 4645913 A 19870224
DOCDB simple family (application)
EP 83111074 A 19831107; AT 409482 A 19821111; JP 21110883 A 19831111; US 54961383 A 19831107; US 71535285 A 19850325