Polyfoil tube made from semi-rigid or rigid foil materials
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United States of America Patent
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Jan 26, 2016
Grant Date -
May 17, 2012
app pub date -
May 26, 2009
filing date -
May 26, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A preferably air-tight and liquid-tight collapsible container comprises a container body (5) formed of a sheet material, said sheet material having two thermoplastic surfaces (2, 3), said sheet material comprising a preferably fluid-tight carrier foil (1) provided at least on and preferably on both sides (2, 3), with a thermoplastic semi-rigid or rigid layer material, preferably a polyester based material said sheet material being folded to a container-like body and sealed in the overlapping edge regions (6, 7) to form a container-like body, said container-like body being coated with a sheathing (9) of elastomeric thermoplastic material of the same kind or type as the foil material to form a container body (5), said container body (5) being provided at one open end (5a) with a container head formed from thermoplastic material of the same kind or type as the foil material.
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