Co-extruded, multi-layered, biaxially oriented, weldable...

Details Co-extruded, multi-layered, biaxially oriented, weldable... Co-extruded, multi-layered, biaxially oriented, weldable...

2006-02-07

2006-02-07

Hightower, P. Hampton (Department: 1711)

Stock material or miscellaneous articles

Composite

Of polyamide

C428S034100, C428S034300, C428S034600, C428S034700, C428S036900, C428S036910, C428S213000, C428S411100

Reexamination Certificate

active

06994912

ABSTRACT:
The invention relates to a coextruded, multilayered, biaxially oriented and weldable flat film for the production of welded tubular films and to the use thereof for wrapping and packaging foodstuffs. The inventive flat film has two weldable surface layers made of at least one copolyamide and at least one amorphous polyamide and/or at least one homopolyamide and/or at least one modified polyolefin.

REFERENCES:
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patent: 0 962 145 (1999-12-01), None
patent: 2106973 (1998-03-01), None
patent: 2138399 (1999-09-01), None

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