Method for manufacturing sheet-like elements made of plastics, particularly nets and the like
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United States of America Patent
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Issued Date -
Sep 11, 2003
app pub date -
Mar 5, 2003
filing date -
Mar 11, 2002
priority date (Note) -
Abandoned
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Abstract
A method for manufacturing sheet-like elements made of plastics, particularly nets and the like, comprising the step of: extruding mixtures based on fully biodegradable thermoplastic material at a temperature between 70 and 100.degree. C. at the beginning of the extrusion process and between 120 and 140.degree. C. at the end of the extrusion process; maintaining an extrusion pressure between 20 and 50 bar; and performing at least one stretching in a preset direction at a temperature between 35 and 60.degree. C.
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