Patent · US Expired

Multi-layer plastic fuel tank

US5384172A · kind A · utility

25Cited by
8References
5Claims
0Family size

Assignees

Inventors

Key dates

Filing dateAug 23, 1993
Grant dateJan 24, 1995
Priority date
Expiry dateAug 23, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31928
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A multi-layer plastic fuel tank is constituted by at least one high-density polyethylene layer, at least one polyamide layer, and at least one modified high-density polyethylene layer made of high-density polyethylene modified with an unsaturated carboxylic acid or its derivatives, which is interposed between each high-density polyethylene layer and each polyamide layer for bonding them, the polyamide layer being made of a polyamide copolymer comprising 90-60 weight % of polyamide 6 and 10-40 weight % of polyamide 66.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.