Method and machine for the manufacture of metallic frames...

B - Operations – Transporting – 21 – F

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B21F 27/16 (2006.01) B21F 1/00 (2006.01) B21F 37/00 (2006.01)

Patent

CA 2334633

Method and machine for the production of metallic frames for innerspring mattresses with the simultaneous clipping of the two free ends (10a, 10b) (drawing 10). The method is characterized by the principle that the one free end is secured in a gripper (9) (drawing 2 and drawing 5) which is sliding on an arm (7) (drawing 1) thus can follow the straight development of the wire as well as the frames bends (drawing 1, drawing 7). On completion of the last side and angle the free end of the frame is guided from the gripper and the arm in the clipping mechanism (drawing 6) where automatically all the clipping phases are taking place.

La présente invention concerne un procédé et une machine pour la production de cadres métalliques pour matelas à ressorts avec agrafage simultané des deux extrémités libres (10a, 10b) (dessin 10). Le procédé est caractérisé en qu'il consiste à fixer une extrémité libre dans une pince (9) (dessin 2 et dessin 5) montée à glissement sur un bras (7) (dessin 1) qui peut ainsi poursuivre une évolution en ligne droite du fil ainsi que les courbes des cadres (dessin 1, dessin 7). Lorsque le dernier côté et le dernier angle ont été complétés l'extrémité libre du cadre est guidée hors de la pince et du bras vers le mécanisme d'agrafage (dessin 6) où s'effectuent les étapes d'agrafage.

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