Bag made of polymer and especially polyolefine fabric and process for producing it

Bag made of polymer and especially polyolefine fabric and process for producing it

CN
  • CN 1,147,233 A
  • Filed: 04/26/1995
  • Published: 04/09/1997
  • Est. Priority Date: 05/04/1994
  • Status: Abandoned Application
First Claim
Patent Images

1. , a kind of by single shaft to drawing-off, desired is single layer poly-mer, polyolefin particularly, be preferably the bag of the fabric system of polypropylene tape composition, can use thermoplastic material on one side of said fabric or the two sides, polyolefin-coated particularly, wherein fabric is seamless fabric tube or the flat fabric of combined formation pipe and has box-shaped particularly or at least one end of the bag of cuboid is to form by fabric ends being folded into specific rectangular base surface, it is characterized in that at least one end, particularly basal surface that wrap are by by themoplasticity, polyolefin particularly, interlayer (the 3b of the polypropylene material system of being preferably, 4b;

  • 13) with by heat, and be bonded to by single shaft to the poly-mer of drawing-off, particularly polyolefin and be preferably the emulsion sheet (3 of the fabric system that polypropylene forms;

         6), and only the outside face of basal surface and emulsion sheet, particularly be less than 30% fabric materials thickness and comprise poly-mer, the particularly polyolefin non-oriented and be preferably polyacrylic molecule that wherein molecule is orientated in remaining material sections by heat.

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