Heating top, in particular for cooking, comprising an electric heating resistance and process for its manufacture.

摘要

1. Heating surface, especially for culinary purposes, comprising a tubular electric heating resistor (2, 44) placed against a first face (9, 7) of a metal sheet (1, 21, 29, 42), the second face (8, 21a) of which is intended to be placed opposite to the material to be heated at the time of use, said resistor (2, 44) being maintained against the metal sheet by crimping within a channel (4, 31, 43) which is formed by diestamping of the sheet and which has at least one edge so shaped as to form a pleat (5a, 6a, 33, 46a) defining two strips (5c, 5b ; 32b, 32a ; 46b, 46C) which it joins together, the first of these strips (5c, 32b, 46b) being adjacent to the resistor and joined to the bottom portion (7, 34, 47) of the channel, this heating surface being characterized in that the second strip (5b, 32a, 46c) has a surface which is adjacent to that of the first strip (5c, 32b, 46b) in such a manner as to ensure that the surfaces of these strips are juxtaposed, and this second strip extends substantially to the bottom portion (7, 34, 47) of the channel in such a manner as to ensure that this bottom portion is close to that portion of the sheet (1b, 21, 36, 42) which follows this second strip (5b, 32a, 46c) and that the heating surface is thus substantially without any salient portion on the side corresponding to the second face (8, 21a) of the metal sheet (1, 21, 29, 42).