Method for constructing modular doors

Details Method for constructing modular doors Method for constructing modular doors

1993-04-08

1994-08-23

Vo, Peter Dungba

Metal working

Method of mechanical manufacture

Structural member making

29462, 2989732, 49506, 527411, B23P 1702, E06B 316, E04C 234

Patent

active

053395220

ABSTRACT:
A method for constructing a modular door is disclosed. The door has a front surface member and a rear surface member that are identical in shape and each formed of modular elements made of stamped sheet metal. The door also incorporates reinforcing wood boards glued between the front and rear surface members, as well as foam injected between the boards and members. This makes the door very solid and well insulated. The construction of this door is easy, cost and time saving and not waste producing.

REFERENCES:
patent: 1003070 (1911-09-01), Sjobring
patent: 1136238 (1915-04-01), Kirby
patent: 1242283 (1917-10-01), Walther
patent: 1793081 (1931-02-01), Goddard
patent: 3987588 (1976-10-01), Imperial et al.
patent: 4125925 (1978-11-01), Weyant
patent: 5125155 (1992-06-01), Kyle et al.

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