FIELD: construction engineering. SUBSTANCE: this door is used primarily for closing dwelling premises and apartments. It has metal framework in the form of sheet and secured to edges of sheet are channel-shape members so that slot is created over edges of sheet at its both sides. Upper channel-shape member is made removable. Inserted into slots at both sides of sheet is wooden assembly which is made up of profiled boards and bars. Boards has slot at one side and tongue at other side. Prepared wooden assembly is inserted into slots of metal sheet and is clamped from atop by removable channel-shape member which is secured to sheet by screws. Holes are made in metal sheet for locking and peeping appliances. Door is provided with pins for seating in holes made in door frame and for additional strengthening of door. Above embodiment simplifies design and manufacturing of door, reduces amount of metal needed and enhances strength of door. EFFECT: higher efficiency. 2 cl, 5 dwg
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Authors
Dates
1998-06-27—Published
1996-03-21—Filed