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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Hauptverfasser: REPNEGG, GEROLD, LORGER, JOSEF
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Sprache:eng ; fre ; ger
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creator REPNEGG, GEROLD
LORGER, JOSEF
description 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).
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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).</abstract><oa>free_for_read</oa></addata></record>
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language eng ; fre ; ger
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subjects 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
title PROCESS AND DEVICE FOR CLOSING A BAG
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