Multilayer bottle with encapsulated dark layer

Details Multilayer bottle with encapsulated dark layer Multilayer bottle with encapsulated dark layer

1994-03-30

2000-09-12

Robinson, Ellis

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 357, 428329, 428215, 428216, 2065241, 2065246, 264512, 264514, 264515, 220415, B65D 102

Patent

active

061175064

ABSTRACT:
A bottle for protecting its contents from degradation due to light has an integrally molded wall with three layers of the same synthetic resin. Each of the layers includes a colorant, the colorant of the intermediate layer providing a generally black opaque coloration and the colorant of the inner and outer layers providing a generally white opaque coloration to mask the black coloration of the intermediate layer.

REFERENCES:
patent: 3547294 (1970-12-01), Williams
patent: 3579622 (1971-05-01), Shaw et al.
patent: 4053666 (1977-10-01), Taylor et al.
patent: 4196721 (1980-04-01), Posnansky
patent: 4482586 (1984-11-01), Smith et al.
patent: 4943458 (1990-07-01), Buecheler
patent: 5110643 (1992-05-01), Akao et al.
patent: 5238148 (1993-08-01), Holoubek et al.

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