Apparatus and method for producing a polyolefinic...

Details Apparatus and method for producing a polyolefinic... Apparatus and method for producing a polyolefinic...

2006-06-20

2006-06-20

Yao, Sam Chuan (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S500000, C264S564000, C264S290200, C264S210700

Reexamination Certificate

active

07063764

ABSTRACT:
The invention relates to a method and a plant for producing polyolefinic transpiring films by means of bubble extrusion of a LLDPE and filler mix, flattening of the extruded tube to obtain a double layer flat film and transversely and/or longitudinally stretching of the double layer flat film.

REFERENCES:
patent: 3816886 (1974-06-01), Van Cappellen
patent: 4277594 (1981-07-01), Matthews et al.
patent: 4793956 (1988-12-01), Nogiwa et al.
patent: 4878974 (1989-11-01), Kagawa
patent: 6610163 (2003-08-01), Mathis
patent: 1074317 (1967-05-01), None

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