Packaging made of composite plastic exhibiting a soft feel effec

Details Packaging made of composite plastic exhibiting a soft feel effec Packaging made of composite plastic exhibiting a soft feel effec

1995-03-08

1998-03-31

Teskin, Fred

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 352, 428 357, 428 3691, 428141, 428213, 428339, 428515, 428516, B29D 2320

Patent

active

057336172

ABSTRACT:
Packaging wall made of a composite plastic of polymer layers, including: 1) an outer layer of a thermoplastic elastomer chosen from: copolymers of propylene and ethylene which have a Shore D hardness, measured according to ISO standard 868, which is lower than or equal to 40, mixtures of polypropylene homopolymer and of a terpolymer (ethylene, propylene, diene), polyethylene terephthalate elastomers, polyurethane elastomers, copolymers of ethylene and vinyl acetate, and block polyether-polyamides; and 2) an inner layer of a polyolefin which does not have elastomer characteristics and which is impervious to oxygen. The polymers of the layers have a molecular weight such that they can be formed by coextrusion-blow molding.

REFERENCES:
patent: H1274 (1994-01-01), Hwo
patent: 4292355 (1981-09-01), Bonis
patent: 4891253 (1990-01-01), Mueller
patent: 4929479 (1990-05-01), Shishido et al.
patent: 5128212 (1992-07-01), Kneale et al.
English translation of J 011 03442A cited in Jan. 19, 1996 Office Action.
French Search Report Dated Nov. 21, 1994 for French Application No. 9403246.
JP 4119822 Abstract Apr. 21, 1992.
JP 63022828 Abstract Mar. 15, 1988.

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