Metal working – Method of mechanical manufacture – Structural member making
Patent
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.
Deroy Claude
Paquin Georges A.
Dungba Vo Peter
Groupe Herve Pomerleau Inc.
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