Oven muffle with welding connection

• Main Authors: KRANZ, WILLI, HEISSWOLF, BERND, EBERT, BERND, WIESINGER, RICHARD, EHNIGER, CHRISTIAN, WEBER, TOBIAS
• Format: Patent
• Language: English; French; German
• Published: 04.04.2012
• Subjects: BLASTING; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION; HEATING; LIGHTING; MECHANICAL ENGINEERING; OTHER DOMESTIC STOVES OR RANGES; RANGES; VENTILATING; WEAPONS

The present invention relates to an Oven muffle (1), comprising at least a first metal sheet part (2) and a second metal sheet part (3) wherein the first metal sheet part and the second metal sheet part are arranged in an overlapping manner relative to each other, the first metal sheet part comprising a first surface (2a) and the second metal sheet part comprising a first surface (3a) which first surfaces (2a,3a) are coated by a protective layer, in particular by an enamel coating, wherein the second metal sheet part comprises a portion (32) which is formed by a S-like or Z-like displacement of the second metal sheet part and which is provided with a transition surface (7) and wherein the first metal sheet part and the second metal sheet part form a joint such that the transition surface (7) and a front end (5) of the first metal sheet part are arranged adjacent, in particular in contact, to each other, and wherein the first metal sheet part and the second metal sheet part are connected by a welding seam at least in the overlapping region of first metal sheet part and second metal sheet part, in particular in the region of the joint of transition surface (7) and front end (5) and wherein the first surface of the first metal sheet part and the first surface of the second metal sheet part form together a substantially planar and even surface, at least in the region of the joint of transition surface and front end.