METAL DOOR Russian patent published in 1996 - IPC

Abstract RU 2053344 C1

FIELD: civil engineering. SUBSTANCE: metal door has door box with U-shaped projection and recesses for placing semi-hinges. Floating metal plates with threaded holes adjoin internal surfaces of the recesses. C-shaped housing is used to protect the plates. Door box has embedded ends with holes. Door plate has closed welded frame made of sheet molded lathes and cover welded to the frame on both sides. EFFECT: high reliability. 4 dwg

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RU 2 053 344 C1

Authors

Ljashenko Vladimir Grigor'Evich[Ua]

Ljashenko Evgenij Grigor'Evich[Ua]

Dates

1996-01-27—Published

1994-01-28—Filed