PROCESS AND DEVICE FOR CLOSING A BAG

Open-mouth bag (4) made of coated or uncoated polyolefin woven fabric, in particular polypropylene or HDPE (high density polyethylene) woven fabric, which forms a substantially tubular main body (23), having a closed first end region (24) and an open second end region (26), or bag (25) closed at two...

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Bibliographische Detailangaben
Hauptverfasser:	REPNEGG, GEROLD, LORGER, JOSEF
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS 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 PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING TRANSPORTING UNPACKING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	Open-mouth bag (4) made of coated or uncoated polyolefin woven fabric, in particular polypropylene or HDPE (high density polyethylene) woven fabric, which forms a substantially tubular main body (23), having a closed first end region (24) and an open second end region (26), or bag (25) closed at two ends, produced from a coated or uncoated, filled open-mouth bag (4) which is closed at one end and is made of polyolefin woven fabric, in particular polypropylene or HDPE woven fabric, having a substantially tubular main body (23). In order to ensure a tight and secure closure and to rule out damage to the main body (23) caused by stitching and possible contamination associated therewith, it is provided that the closed first end region (24) of the open-mouth bag (4) or at least one end region (38) of the bag (25) closed at two ends is formed by a strip-like, coated web of material (14), which has a V-shaped or U-shaped fold in cross section and the legs (27) of which are thermally welded to the tubular main body (23).