VERTICAL FLOW-WRAPPER WITH IMPROVED CORNER FOLDING

• Main Author: BAUMEISTER, Bruno Gerfried
• Format: Patent
• Language: English; French; German
• Published: 02.10.2024
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS; MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER; MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING; UNPACKING; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER

A vertical flow-wrapper that includes a folding unit for forming at least one fold in a moving web, the folding unit includes at least two sets of folding means; a sealing station downstream from the folding unit for sealing the at least one fold; a web feed, which feeds the web via the folding unit and the sealing station to a form-shoulder and a form-fill tube, which form the web into a web-tube; longitudinal sealing-means to seal longitudinal edges of the web tube together; and cross sealing means to provide a cross-seal to the web tube to produce individual packages. Each of the at least two sets of folding means include at least one rotating object, and an axis of rotation of the at least one rotating object are provided along a line, and the line is provided at an angle relative to a transportation of the web.