Method and apparatus for forming a t-shaped slot in a sheet...

Details Method and apparatus for forming a t-shaped slot in a sheet... Method and apparatus for forming a t-shaped slot in a sheet...

B - Operations, Transporting

21

D

B21D 5/01 (2006.01)

Patent

CA 2179253

A method and apparatus is described for forming a T-shaped slot a sheet of material. The sheet of material is clamped to a top surface of an arbor. The arbor has a uniform T-shaped cross section having two undersides of the T-shape. The sheet of material is first formed into an inverted U-shape and then the sheet of material is bent to conform to the undersides of the arbor forming the T-shaped slot. The arbor is withdrawn from an open end of the formed T-shaped slot.

Procédé et dispositif permettant de pratiquer une ouverture en T dans une feuille de matériau. La feuille de matériau est fixée à la surface d'une tige qui comprend une section transversale en T avec deux sous-faces du T. La feuille de matériau est d'abord formée dans un U inversé et ensuite pliée pour conformer les deux sous-faces de la tige formant la fente en T. La tige est retirée par une des extrémités ouvertes du T formé.

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