Metal door with continuous frame and method

Details Metal door with continuous frame and method Metal door with continuous frame and method

E - Fixed Constructions

06

B

E06B 5/16 (2006.01) E06B 3/76 (2006.01) E06B 3/82 (2006.01) E06B 3/70 (2006.01)

Patent

CA 2286260

A metal door has a unitary rectangular frame (2) of generally uniform cross section providing stiles (4) and rails (6), and a pair of substantially rectangular panels (5) which are secured to the frame (2). The panels (5) have opposed flanges (10) overlying and engaged with the adjacent side margins (33) of the stiles (4) of the frame (2) to secure the panels (5) thereto. The door is fabricated by forming an elongate metal strip into a frame element (2) of generally uniform cross section with channels (35) between a generally planar central portion (31) and inwardly offset marginal portions (37). A predetermined length of the strip is bent to form a substantially rectangular frame (2), the ends of which are fastened together. The panels (5) have lips (12) on their flanges (10) and are assembled to the frame (2) with the flanges (10) inserted into the channels (35) and the lips (12) frictionally engaging the side walls thereof.

Cette porte métallique comporte un dormant monobloc rectangulaire (2) de coupe de forme générale uniforme formant les montants (4) et traverses (6) de porte, une paire de panneaux sensiblement rectangulaires (5) étant assujettis au dormant (2). Des replis opposés (10) des panneaux (5) viennent recouvrir et enserrer les bandes latérales (33) adjacentes des montants (4) du dormant (2) de façon à y assujettir les panneaux (5). Le procédé de fabrication de cette porte consiste, à partir d'une bande de métal de forme allongée, à mettre celle-ci en forme pour constituer un élément de dormant (2) dont la coupe soit de forme générale uniforme et présente des rainures entre une partie centrale (31), de forme généralement plane, et des zones marginales (37), décalées vers l'intérieur. Une longueur définie de la bande est courbée pour former un dormant (2) sensiblement rectangulaire dont les extrémités sont fixées l'une à l'autre. Les panneaux (5), dont les replis (10) comportent des lèvres (12), se fixent sur le dormant (2) par insertion des replis (10) dans les rainures (35), les lèvres (12) étant en contact frictionnel avec les parois latérales des rainures.

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