METHOD OF PRODUCTION OF FABRIC BAGS OR CONTAINERS USING HEAT FUSED SEAMS
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United States of America Patent
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Issued Date -
Jun 20, 2019
app pub date -
Sep 10, 2018
filing date -
Jun 5, 2013
priority date (Note) -
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Abstract
A method of producing flexible polypropylene fabric bags with heat fused seams comprising providing fabric pieces, wherein each fabric piece has a coated side and an uncoated side; positioning fabric pieces so that a coated side of one fabric piece faces a coated side of another fabric piece; selecting an area of fabric to be joined for forming a seam or joint; applying heat to the area to be joined that is less than the melting point of the fabrics, for forming one or more seams or joints and wherein the heat fused seams or joints of a resulting polypropylene bag retains at least 85% of the fabric strength without using sewing machines.
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International Classification(s)
- D06H:MARKING, INSPECTING, SEAMING, OR SEVERING TEXTILE ....
- D03D:WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- A41H:APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR....
- B65D:CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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