This door assembly (29) comprises a frame (31), extending along a frame plane (P1) and comprising: at least one frame beam (35) defining a frame axis (X35) along the frame plane, the frame beam comprising a main body (39) elongated along the frame axis and having a substantially constant cross-section (S39) along said frame axis, the main body comprising a beveled portion (55) inclined relative to the frame plane; and a swing door (33), pivotably secured to the frame between an opened position and a closed position, said swing door comprising at least one edge beam (63) comprising a main body (139) elongated along an edge axis (X63) of the edge beam and having a substantially constant cross-section (S139) along said edge axis, the main body comprising a beveled portion (155) which is brought to rest against the beveled portion of the frame beam when the swing door is brought to the closed position, wherein the cross-section (S39) of the main body (39) of the frame beam (35) is identical to the cross-section (S139) of the main body (139) of the edge beam (63).

A fire rated door includes a core, a first decorative panel and a second decorative panel. The core includes: (a) a gypsum-based fire resistant center panel having a bottom, a top, a first side, a second side, a first end and a second end, wherein the gypsum-based fire resistant center panel is made of a first gypsum-based fire resistant material, and (b) an extruded gypsum-based fire resistant border attached to the first side, the second side, the first end and the second end of the gypsum-based fire resistant center panel, wherein the extruded gypsum-based fire resistant border is made of a second gypsum-based fire resistant material having a higher density than the first gypsum-based fire resistant material. The first decorative panel is attached to the top of the gypsum-based fire resistant center panel and the extruded gypsum-based fire resistant border. The second decorative panel is attached to the bottom of the gypsum-based fire resistant center panel and the extruded gypsum-based fire resistant border.

The invention provides a glass door apparatus with a right and a left glass door leaf (10, 100) and functional end caps (40a, 40b, 240a, 240b), which respectively have a protrusion (52a, 52b, 252a, 252b), which, with respect to a lateral front face of the functional end cap protrudes laterally outwards in a manner at least substantially parallel to a pane face of a glass pane of one glass door leaf as well as away from said glass pane, and/or a cavity (54a, 54b, 254a, 254b) which, with respect to said lateral front face, protrudes laterally inwards in a manner is at least substantially parallel to said pane face and towards said glass pane and which, in the opposite direction, opens laterally outwardly, and wherein, in the closed state of glass door apparatus, the protrusion and/or the cavity is/are overlapped with a complementary counterpiece of the other glass door leaf.

A core for a fire rated door includes a fire resistant center panel and an extruded fire resistant border. The fire resistant center panel has a bottom, a top, a first side, a second side, a first end and a second end. The fire resistant center panel is made of a first fire resistant material. The extruded fire resistant border is attached to the first side, the second side, the first end and the second end of the fire resistant center panel. The extruded fire resistant border is made of a second fire resistant material having a higher density than the first fire resistant material.

Door assembly, air handling unit comprising such a door assembly, and method for manufacturing such a door assembly. This door assembly (29) comprises a frame (31), extending along a frame plane (P1) and comprising: at least one frame beam (35) defining a frame axis (X35) along the frame plane, the frame beam comprising a main body (39) elongated along the frame axis and having a substantially constant cross-section (S39) along said frame axis, the main body comprising a beveled portion (55) inclined relative to the frame plane; and a swing door (33), pivotably secured to the frame between an opened position and a closed position, said swing door comprising at least one edge beam (63) comprising a main body (139) elongated along an edge axis (X63) of the edge beam and having a substantially constant cross-section (S139) along said edge axis, the main body comprising a beveled portion (155) which is brought to rust against the beveled portion of the frame beam when the swing door is brought to the closed position, wherein the cross-section (S39) of the main body (39) of the frame beam (35) is identical to the cross-section (S139) of the main body (139) of the edge beam (63).

A fire rated door includes a core, a first decorative panel and a second decorative panel. The core includes: (a) a fire resistant center panel having a bottom, a top, a first side, a second side, a first end and a second end, wherein the fire resistant center panel is made of a first fire resistant material, and (b) an extruded fire resistant border attached to the first side, the second side, the first end and the second end of the fire resistant center panel, wherein the extruded fire resistant border is made of a second fire resistant material having a higher density than the first fire resistant material. The first decorative panel is attached to the top of the fire resistant center panel and the extruded fire resistant border. The second decorative panel is attached to the bottom of the fire resistant center panel and the extruded fire resistant border.

A fire rated door includes a core, a first decorative panel and a second decorative panel. The core includes: (a) a fire resistant center panel having a bottom, a top, a first side, a second side, a first end and a second end, wherein the fire resistant center panel is made of a first fire resistant material, and (b) an extruded fire resistant border attached to the first side, the second side, the first end and the second end of the fire resistant center panel, wherein the extruded fire resistant border is made of a second fire resistant material having a higher density than the first fire resistant material. The first decorative panel is attached to the top of the fire resistant center panel and the extruded fire resistant border. The second decorative panel is attached to the bottom of the fire resistant center panel and the extruded fire resistant border.

The invention provides a glass door apparatus with a right and a left glass door leaf (10, 100) and functional end caps (40a, 40b, 240a, 240b), which respectively have a protrusion (52a, 52b, 252a, 252b), which, with respect to a lateral front face of the functional end cap protrudes laterally outwards in a manner at least substantially parallel to a pane face of a glass pane of one glass door leaf as well as away from said glass pane, and/or a cavity (54a, 54b, 254a, 254b) which, with respect to said lateral front face, protrudes laterally inwards in a manner is at least substantially parallel to said pane face and towards said glass pane and which, in the opposite direction, opens laterally outwardly, and wherein, in the closed state of glass door apparatus, the protrusion and/or the cavity is/are overlapped with a complementary counterpiece of the other glass door leaf.

A tightly closed structure of a glass door comprises a doorframe and a first door panel. An upper containing groove is transversely arranged at the top of the doorframe and a lower containing groove is transversely arranged at the bottom of the doorframe. An upper frame strip and a lower frame strip that protruding from the first door panel are respectively arranged on the upper edge and the lower edge at the direction which the first door panel faces to the doorframe. The upper frame strip is embedded in the upper containing groove and the lower frame strip is embedded in the lower containing groove. When the first door panel and the doorframe are fastened, the upper frame strip and the lower frame strip are fastened into the upper containing groove and the lower containing groove at the same time, so that the upper frame strip and the lower frame strip can be hidden and make the first door panel and the doorframe to be tightly closed.

Embodiments of the present invention describe novel solid core doors and methods of manufacturing solid core doors that use specialized dovetail joints to secure components of the door together to improve the sturdiness and aesthetics of the door. The manufacturing processes can include applying glue to joints between components, and pressing the door from the sides to secure the components together in a way that improves the sturdiness of the door.