Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container
Patent
1995-08-14
1998-04-14
Lavinder, Jack W.
Manufacturing container or tube from paper; or other manufacturi
Container making
Pliable container
11247508, 493210, 493217, B31B 2100
Patent
active
057386196
ABSTRACT:
A method of manufacturing a bulk bag, which bulk bag can be used for shipment of powder without loss, yet which does not require a full inner liner for the bulk bag and has a surface receptive to imprinted indicia on the bulk bag body. A bag body of height Y is cut from a fabric tube of circumference X having an imprint-receptive outer surface and is partially lined with a tubular partial film liner of like dimensions; two bands of reinforced resin tape are adhesively bonded to the top and bottom rims of the body liner. There are top and bottom panels, each cut from a flat web of coated, powder-impervious fabric, and each having a circumferential length X; these panels are stitched into the bag body with stitching that extends through the resin tape to simultaneously mount the panels and the partial liner in the bag body, completing a bulk bag suitable for powder shipments but with an imprint-receptive external surface.
REFERENCES:
patent: 686847 (1901-11-01), Green
patent: 4194652 (1980-03-01), Williamson
patent: 4300608 (1981-11-01), Cuthbertson
patent: 4307764 (1981-12-01), Nattress
patent: 4493109 (1985-01-01), Nattress
patent: 4703519 (1987-10-01), Krenzel
Bulk Lift International Incorporated
Lavinder Jack W.
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