METHOD AND APPARATUS FOR FORMING AND FILLING A FLEXIBLE PACKAGE
申请公布号:US2010139219(A1)
申请号:US20090361887
申请日期:2009.01.29
申请公布日期:2010.06.10
发明人:FITZGERALD, IV MATTHEW LOUIS
分类号:B65B7/00;B65B9/00
主分类号:B65B7/00
摘要:An apparatus for forming and filling a flexible package, comprises: a film unwind station for unwinding a web of flexible film from a roll of film; a folding station for folding the web into a pair of opposing walls; a strip unwind station for unwinding a strip of semi-rigid material from a roll of material and positioning the strip between the pair of opposing walls of the web; a metal buffer plate insertable between the strip and one of the opposing walls of the web; a first sealing station having a sealing bar for forming a seal between the strip and the other of the opposing walls; a second sealing station having a pair of sealing bars positioned to form a lower non-linear side seal between the opposing walls of the web of flexible film at spaced intervals; a third sealing station having a pair of sealing bars positioned to form an upper non-linear side seal between the opposing walls of the web of flexible film at spaced intervals to define connected pouches between adjacent lower and upper side seals; a first cutting station provided to remove a portion of the lower side seal and a portion of the upper side seal, while the remainder of the side seals remain uncut and connected at an upper portion of the pouches; a separating station having a knife positioned to separate the connected pouches into separate individual pouches; a filling station having a reciprocally moveable filling tube insertable into the individual pouches through an opening in the pouch for filling the pouch with a flowable material; a fourth sealing station having a pair of sealing bars positioned to form a top seal in the pouch to close the opening; and a second cutting station provided to remove a portion of the top seal.
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