Unitary transporter base and shaper and slip frame former...

B - Operations – Transporting – 65 – B

Patent

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Details

B65B 1/02 (2006.01) B65B 43/58 (2006.01) B65B 43/62 (2006.01)

Patent

CA 2723872

The present invention relates to a method of producing a transportable container (20) for bulk goods. A bag (48) is placed through a former opening (78) of a slip frame former (24) which surrounds a portion of the bag. The bag receives the bulk goods from a feed source (50). A stretch wrap (38) is disposed radially about a bottom support (56) and a portion of the slip frame former to initially form the transportable container. At least one of the slip frame former and the bottom support moves relative to other in response to the fill level of the bulk goods in the bag. During filling, the slip frame former is maintained at a position surrounding the fill level of the bulk goods in the bag. As the fill level increases in the bag, previously disposed portions of stretch wrap are disengaged from the slip frame former to squeeze the filled portions of the bag and lock together the bulk goods as additional portions of stretch wrap are disposed around the slip frame former.

La présente invention concerne un procédé de fabrication d'un contenant transportable (20) pour des marchandises en vrac. Un sac (48) est placé à travers l'ouverture de la machine à former (78) d'une machine à former à cadre de glissement (24) qui entoure une partie du sac. Le sac reçoit les marchandises en vrac à partir d'une source d'alimentation. (50). Un film étirable (38)est disposé radialement autour d'un support de fond (56) et une partie de la machine à former à cadre de glissement pour former initialement le contenant transportable. Au moins un élément parmi la machine à former à cadre de glissement et le support de fond se déplace par rapport à l'autre en réponse au niveau de remplissage des marchandises en vrac dans le sac. Pendant le remplissage, la machine à former à cadre de glissement est maintenue à une position au niveau du remplissage des marchandises en vrac dans le sac. A mesure que le niveau de remplissage augmente dans le sac, des parties antérieurement disposées de film étirable sont désengagées de la machine à former à cadre de glissement pour presser les parties remplies du sac et enfermer ensemble les marchandises en vrac à mesure que des parties supplémentaires de film étirable sont disposées autour de la machine à former à cadre de glissement.

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