Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ehrich und Graetz AG
Original Assignee
Ehrich und Graetz AG
Publication date
Priority to DEE28037DpriorityCriticalpatent/DE379891C/de
Application grantedgrantedCritical
Publication of DE379891CpublicationCriticalpatent/DE379891C/de
H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
H05B3/00—Ohmic-resistance heating
Landscapes
Central Heating Systems
(AREA)
Resistance Heating
(AREA)
Surface Heating Bodies
(AREA)
Description
Berlin, geühuckt in btn reichsdruckereI
Claims (1)
Patent-Anspruch:
Elektrischer Heizkörper nach Patent 313987, dadurch gekennzeichnet, daß die
zwei Bleche, zwischen denen der Heizkörper angeordnet ist, rohrförmig und die
in ihnen befindlichen, den Leiter mit der Isolierung einschließenden wulstartigen
Rillen schraubengängig ausgebildet sind.
Elektrisch beheizte Kochplatte hoher Waermeabgabe, deren in Isoliermasse eingebetteter Heizleiter zwischen an der Innenseite der Heizplatte angebrachten Rippen lagert