Abstract: A gas burner comprising a burner pot (2) supporting a burner body (6) comprising a series of peripherally distributed flame orifices (8), a gas injector (13) and a gas supply tube (11) provided with a collar (12), which are joined to the burner pot; the burner pot is provided with a bottom (9) which has a smooth walled central orifice (10); the extremity (17) of the supply tube is fitted, without any significant amount of clearance via the underneath part of the bottom (9) of the burner pot, inside the orifice (10) with the collar (12), resting against the lower surface of the bottom (9); the injector (13) is screwed, from above the bottom (9), into the extremity of the supply tube (11); and the injector (13) is configured in such a way as to push back the wall of the extremity of the supply tube (11) into a tight resting position against the wall of the orifice (10).

Abstract: Gas cooking appliance equipped with a top plate (1) supporting at least one gas burner (4), characterized in that the said gas burner (4) comprises a gas injector (6) which is fastened to the top plate (1) in a part (11) thereof which projects above the rest of the plate, and which especially may be in the form of a plateau or of a boss.

Abstract: Gas cooking appliance equipped with a top plate (1) having at least one region (7) for the attachment of an injector (6) of a gas burner (4) and for supporting a head (12) of the burner coaxial with the injector (6); the region (7) has a non-circular contour, particularly a polygonal contour, and the burner head (12) has legs (16) by which it rests on the region (7), the number and arrangement of which legs are such that they collaborate with the sides of the non-circular contour of the region (7) so that the burner head (12) can occupy only a determined and limited number of angular positions while at the same time being arranged coaxial with the injector (6) and so that, for any incorrect positioning—in terms of orientation and/or in terms of centring—of the head (12), the latter rests on the top plate such that it is inclined and that the incorrectness is thus visible.

Abstract: Gas cooking appliance equipped with a top plate (1) having at least one region (7) for the attachment of an injector (6) of a gas burner (4) and for supporting a head (12) of the burner coaxial with the injector (6); the region (7) has a non-circular contour, particularly a polygonal contour, and the burner head (12) has legs (16) by which it rests on the region (7), the number and arrangement of which legs are such that they collaborate with the sides of the non-circular contour of the region (7) so that the burner head (12) can occupy only a determined and limited number of angular positions while at the same time being arranged coaxial with the injector (6) and so that, for any incorrect positioning—in terms of orientation and/or in terms of centring—of the head (12), the latter rests on the top plate such that it is inclined and that the incorrectness is thus visible.

Abstract: Gas cooking appliance equipped with a top plate (1) supporting at least one gas burner (4), characterized in that the said gas burner (4) comprises a gas injector (6) which is fastened to the top plate (1) in a part (11) thereof which projects above the rest of the plate, and which especially may be in the form of a plateau or of a boss.