Multilayer thermoplastic structure for gas tank

Details Multilayer thermoplastic structure for gas tank Multilayer thermoplastic structure for gas tank

2005-09-20

2005-09-20

Miggins, Michael C. (Department: 1772)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S035700, C428S036600, C428S367000, C428S332000, C428S339000

Reexamination Certificate

active

06946176

ABSTRACT:
A multi-layer thermoplastic structure that has at least one layer that is between 0.3 and 20 mm thick and is made of an ethylene-vinyl alcohol copolymer with a density of between 0.94 and 1.4, and a melt flow index of between 1.3 and 4.2 g/10 minutes at a temperature between 170 and 240 degree C. The multi-layer thermoplastic structure is obtained by rotation moulding and is of particular benefit when functioning as a gas tank.

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patent: 5230935 (1993-07-01), Delimoy et al.
patent: 6033749 (2000-03-01), Hata et al.
patent: 6083587 (2000-07-01), Smith et al.
patent: 6214426 (2001-04-01), Kawachi et al.
patent: 0 230 344 (1987-07-01), None
patent: 2 733 296 (1996-10-01), None

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