Tab folding and sealing apparatus and method

Details Tab folding and sealing apparatus and method Tab folding and sealing apparatus and method

B - Operations, Transporting

65

B

B65B 61/18 (2006.01) B31B 1/90 (2006.01) B65B 7/28 (2006.01) B65D 17/50 (2006.01)

Patent

CA 2579479

A method and apparatus for folding a tab over a peelable panel on an end structure comprising a ring/panel. The ring and panel are formed from the same flexible material which has no inherent deadfold characteristic. In one embodiment an upper tab fold tool includes a pivotable plate for holding the folded edge of the tab in position prior to heat sealing to the peelable panel.

L'invention concerne un procédé et un dispositif permettant de plier une languette par dessus un panneau pelable sur une structure terminale comprenant un anneau/panneau. L'anneau et le panneau sont en même matériau flexible sans caractéristique de rémanence de pli inhérente. Selon une variante, un outil de pliage de languette supérieure comprend une plaque pivotante permettant de maintenir le bord plié de la languette en position avant son thermoscellage sur le panneau pelable.

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