EP 0731624 B1 2000-01-19 - Heating device for waterbeds
Title (en)
Heating device for waterbeds
Title (de)
Heizungsvorrichtung für Wasserbetten
Title (fr)
Dispositif de chauffage pour lits à eau
Publication
Application
Priority
DE 19508315 A
Abstract (en)
[origin: DE19508315C1] A heating unit for water bed, consists of electrical resistance conductors which are located between a bed frame and a safety film, and a temp. control. The unit comprises ceramic plates (13-18) with electrical conductors (23), which are glued to the bottom (11a) of a stiff metal plate (11) using an adhesive (19) with a high thermal conductivity. The plate is applied to a base-plate (12) of poor thermal conductivity, while leaving an air gap (33) for the ceramic plates. The base-plate pref. consists of a plastic, e.g. acryl nitrile-butadiene styrol copolymers, polyurethane, polyamide or a polyethylene.
IPC 1-7 (main, further and additional classification)
IPC 8 full level (invention and additional information)
A47C 21/04 (2006.01); A47C 27/08 (2006.01); H05B 3/30 (2006.01)
CPC (invention and additional information)
A47C 27/081 (2013.01); A47C 21/048 (2013.01); A47C 27/085 (2013.01); H05B 3/30 (2013.01)
Designated contracting state (EPC)
AT BE CH DK ES FI FR GB GR IE IT LI LU MC NL PT SE
EPO simple patent family
DE 19508315 C1 19960509; AT 189095 T 20000215; CA 2171410 A1 19960910; EP 0731624 A2 19960911; EP 0731624 A3 19961211; EP 0731624 B1 20000119; NL 1002575 A1 19960911; NL 1002575 C2 19980407; US 5811760 A 19980922
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