Global Patent Index - EP 0337230 A3

EP 0337230 A3 19900307 - HIGH TEMPERATURE HEATING SYSTEMS AND METHOD FOR THEIR FABRICATION

Title (en)

HIGH TEMPERATURE HEATING SYSTEMS AND METHOD FOR THEIR FABRICATION

Publication

EP 0337230 A3 19900307 (DE)

Application

EP 89105794 A 19890403

Priority

IT 2021888 A 19880415

Abstract (en)

[origin: EP0337230A2] This invention relates to high-temperature heating systems comprising a composite system consisting of an enamelled metal substrate, an electrically insulating base glass layer applied thereto, metallic heating conductors, a chemically resistant top glass layer and an intermediate layer between enamelled metal substrate and insulating glass layer, to a method of fabricating said heating systems and also to their use.

IPC 1-7

H05B 3/26

IPC 8 full level

H05B 3/20 (2006.01); H05B 3/68 (2006.01); H05B 3/26 (2006.01); H05B 3/86 (2006.01)

CPC (source: EP US)

H05B 3/262 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE DE ES FR GB IT NL SE

DOCDB simple family (publication)

EP 0337230 A2 19891018; EP 0337230 A3 19900307; EP 0337230 B1 19910911; AT E67369 T1 19910915; CA 1298603 C 19920407; DE 58900273 D1 19911017; DE 8909020 U1 19891214; DK 181489 A 19891016; DK 181489 D0 19890414; ES 2025348 B3 19920316; IT 1218221 B 19900412; IT 8820218 A0 19880415; JP H0212788 A 19900117; NO 891370 D0 19890331; NO 891370 L 19891016; US 4970375 A 19901113

DOCDB simple family (application)

EP 89105794 A 19890403; AT 89105794 T 19890403; CA 596558 A 19890413; DE 58900273 T 19890403; DE 8909020 U 19890403; DK 181489 A 19890414; ES 89105794 T 19890403; IT 2021888 A 19880415; JP 8989889 A 19890411; NO 891370 A 19890331; US 33216689 A 19890403