METHOD AND APPARATUS FOR FILLING INTO CIRCULAR FABRIC WHILE Z SHAPED TURN-OVER PART IS FORMED TO BAG MATERIAL FLATTENED TO STRIP LIKE FORM
Z-shaped folds are formed in a tubular film and the latter is inserted into a woven tubing as the latter is woven and collapsed in a circular loom. The tubular film is squeezed between pairs of pinch rollers and is then inflated to form a bubble, which is supported by annular surfaces at the weaving...
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