Machine for manufacturing flexible bags for containing medicinal or nutritional liquids
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Patent Application No. 200510077142.9 Patent Application Date 2005.06.14 Name Machine used to manufacture flexible bags for containing medicinal or nutritional liquids Publication (announcement) No. 1721175 Publication (announcement) date 2006.01.18 Certification date Priority 2004.6.14 IT MI2004A001187 Application (Patents) Dita Paulo Giuseppe Gobi Flatini Address Songda Rosso of Italy Inventions (Design) People R. Gobi Flatini International Application for International Publication Patent Agency Beijing Zhong Consultation Law Office Agent Ma Jiangli Wu Peng Patent Abstract The present invention relates to a machine for manufacturing a flexible bag for containing a medicinal or nutritional liquid, the machine comprising: one folded by another according to a U-shaped structure having openings provided on the sides A strip of flexible plastic material consisting of two upper edges; a step-wise arrangement for the strip of flexible plastic material; heat for bringing edges to cross the openings and fused together along the openings to form individual flexible plastic bags arranged next to each other Welding device; and means for introducing a variable number of plastics material tubes into the opening and supporting the tube in the opening during the welding process The apparatus includes a plurality of support plates for a plurality of metal pins that are parallel to each other and support corresponding tubes. The support plates can be slid transverse to the direction of travel of the belt so that it can be in a backup position and an adjacent belt position of the needle loading tube. During the movement, the needle is inserted into the opening of the strap at the needle position adjacent to the strap and holds the strap within the opening during the entire welding operation. The machine is provided with means for preheating the tube after loading the tube onto the needle and before introducing the tape opening. Patent Sovereignty 1. A machine for manufacturing a flexible bag for containing a medicinal or nutritional liquid, comprising: two sides folded one on the other according to a U-shaped structure having openings provided on the sides ( 4, 5) a strip of flexible plastic material (2); means (1) for step-wise travel of the strip (2) of flexible plastic material; for bringing the sides (4, 5) transverse to the opening And fusion-bonding along the openings so as to form heat-welding devices (6, 8) of each adjacently arranged flexible plastic material bag (9); and introducing a variable number of plastic material pipes (14) into the openings and welding them A device (13) for supporting the tube (14) within the opening during the process, the device (13) comprising a plurality of metal pins (19) for paralleling each other and for supporting the corresponding tube (14) Supporting a plate (16) which is slidable in a direction transverse to a direction of travel of the belt (2) so as to be movable between a standby position and a position adjacent to the belt (2). The loading of the tube (14) onto the respective needle (19) may take place at the standby position, in the position of the adjacent belt (2) The needle (19) inserts the corresponding tube (14) into the opening of the band (2) and holds the corresponding tube (14) within the opening during the entire welding operation. Said machine comprises a means for preheating said tube after loading said tube (14) onto said needle (19) and before introducing said tube (14) into the opening of said band (2) ( 14) The device (15).
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