Oven door for a cooking oven

Abstract

A, preferably dismountable, oven door comprising at least one glass panel and a door frame or a pair of door columns for supporting said glass panel, wherein the glass panel comprises a first large-area surface, an opposing second large-area surface and at least two lateral edges, the glass panel is detachably or permanently mounted or mountable in the door frame or at the door columns, respectively, the glass panel is chiral in respect of a physical or chemical property of its first large-area surface and of its second large-area surface and of the geometric shapes of its at least two lateral edges, the door frame or at least one door column, respectively, is formed at least partially complementary to the glass panel, so that the door frame or the at least one door column, respectively, is engageable or compatible with said glass panel.

1 . An oven door comprising at least one glass panel and a door frame or a pair of door columns for supporting said glass pane, wherein:
 the glass panel comprises a first large-area surface, an opposing second large-area surface and at least two lateral edges,   the glass panel is detachably or permanently mounted or mountable in the door frame or at the door columns, respectively,   the glass panel is chiral in respect of a physical or chemical property of its first large-area surface and of its second large-area surface and of the geometric shapes of its at least two lateral edges,   the door frame or at least one said door column, respectively, is formed at least partially complementary to the glass panel so that the door frame or the at least one door column, respectively, is engageable or compatible with said glass panel, wherein the glass panel is trapezoid shaped having an upper edge extending parallel to a lower edge thereof, wherein at least one of a left lateral edge and a right lateral edge of the glass panel is slanted and forms a mechanical element effecting an unsymmetrical form of said glass panel, and wherein a counterpart of said slanted lateral edge in said door frame and/or pair of door columns comprises a slanting frame part of the door frame or a slanting door column.   
     
     
         2 . The oven door according to  claim 1 , wherein said physical or chemical property of the first and second large-area surfaces of the glass panel is invisible and/or the door frame or the at least one door column, respectively, is adapted to be engaged with the glass panel in a single front-rear orientation of the glass panel. 
     
     
         3 . The oven door, in particular according to  claim 1 , wherein
 the glass panel is formed unsymmetrically in view of a first axis extending within a plane of said glass panel,   the glass panel is formed unsymmetrically in view of a second axis extending within the plane of said glass panel and perpendicular to the first axis,   an intersection of the first axis and the second axis is arranged in a centre of the glass panel, and   at least one of the first axis and the second axis extends parallel to at least one said edge of the glass panel.   
     
     
         4 . The oven door according to  claim 1 , wherein
 the door frame or at least one door column, respectively, includes at least one counterpart of the mechanical element, and   the counterpart of the door frame or door column, respectively, is formed at least partially complementary to the mechanical element of the glass panel, so that the counterpart is engageable or compatible with the mechanical element of said glass panel wherein the door frame or the at least one door column, respectively, is adapted to be engaged with the glass panel in a single front-rear orientation of the glass panel.   
     
     
         5 . The oven door according to  claim 4 , wherein the counterpart of the mechanical element and the door frame or door column, respectively, form a single-piece part, or the counterpart of the mechanical element is detachably fixable or fixed at the door frame or door column, respectively. 
     
     
         6 . The oven door according to  claim 4 , the mechanical element further comprising a cut-out in the glass panel, while the counterpart of the mechanical element further comprises a plug, an appendix, a prolongation, a screw and/or a snap in hook. 
     
     
         7 . The oven door according to  claim 6 , wherein the counterpart of the mechanical element includes a cross-section complementary to that of said cut-out. 
     
     
         8 . The oven door according to  claim 4 , the mechanical element further comprising a recess at an edge of the glass panel, while the counterpart of the mechanical element further comprises an interruption of a groove of the door frame, wherein said groove is provided for receiving a said edge of the glass panel when the glass panel is inserted in the door frame. 
     
     
         9 . The oven door according to  claim 4 , the mechanical element further comprising a chamfer arranged between two adjacent ones of said edges of the glass panel, while the counterpart of the mechanical element further comprises an interruption of the groove of the door frame, wherein said groove encloses at least partially the glass panel when the glass panel is inserted in the door frame. 
     
     
         10 . The oven door according to  claim 4 , the mechanical element further comprising a curvature arranged between two adjacent ones of said edges of the glass panel, while the counterpart of the mechanical element further comprises a bent portion or an interruption in the groove of the door frame, wherein the bent portion encloses at least partially the curvature or the interruption supports the curvature when the glass panel is inserted in the door frame. 
     
     
         11 . The oven door according to  claim 4 , the mechanical element further comprising at least one clip element arranged in an outer portion of the glass panel, wherein the counterpart of the mechanical element further comprises a recess formed in the door frame or door column. 
     
     
         12 . (canceled) 
     
     
         13 . The oven door according to  claim 1 , wherein the door columns are attached at an outer door panel. 
     
     
         14 . The oven door according to  claim 1 , wherein the glass panel is single-sided or double-sided coated by a layer, wherein at least one said layer is provided for reflecting heat radiation and/or for reducing emissions of heat from at least one said surface of the glass panel. 
     
     
         15 . The oven door according to  claim 1 , wherein the first large-area surface of the glass panel comprises a first coating and the second large-area surface of the glass panel comprises no coating or comprises a second coating differing from said first coating, wherein said first coating and/or said second coating is invisible to a user of the oven. 
     
     
         16 . The oven door according to  claim 1 , wherein at least two different markings are applied on both large-area surfaces of the glass panel and on the door frame or door columns, wherein the marking on the glass panel matches the corresponding marking of the door frame or at the door columns if an orientation of the glass panel in the door frame or at the door columns is correct. 
     
     
         17 . A cooking oven comprising the oven door according to  claim 1 , the cooking oven being adapted to carry out a pyrolytic cleaning process. 
     
     
         18 . An oven door comprising a glass panel having first and second opposing large-area surfaces, at least one invisible thermal coating deposited on at least one of said first and second opposing large surfaces, and a door frame, said door frame comprising receiving means adapted and dimensioned to reversibly and complementarily receive and accommodate said glass panel in an assembled state of said oven door, said glass panel being unsymetrical with respect to both first and second imaginary, perpendicular axes extending in a plane of said glass panel, said receiving means of said door comprising counterpart unsymmetry that is complementary to the unsymmetry of said glass panel such that said glass panel can be properly received and seated by said receiving means only in a single orientation upon assembly therewith, said at least one thermal coating being adapted to insulate a cooking cavity of an oven to prevent or inhibit thermal energy from escaping through said door during a pyrolitic cleaning process thereof, wherein improper orientation of said at least one thermal coating would inhibit or destroy the effectiveness therefor of said at least thermal coating. 
     
     
         19 . The oven door according to  claim 18 , said receiving means comprising a pair of opposing door columns of said oven door that complement adjacent, respectively opposing lateral edges of said glass panel when said glass panel is received and seated by said door columns in the assembled state of said door. 
     
     
         20 . The oven door according to  claim 18 , said glass panel being shaped as an unsymmetric trapezoid having parallel upper and lower edges, and non-parallel left and right lateral edges, at least one said lateral edge extending between and forming non-right angles with the upper and lower edges.