Tubular electric heating element for warm water has winding between two parallel end sections and is bent in only one curved direction

摘要

An electric heating element (2) for warm water comprises a tubular winding (11-15) between two end sections (4,6) and is bent in only one curved direction. Preferably the end elements are parallel to one another and the element is elliptical, oval or circular. An independent claim is also included for a production process for the above.