Patent · US Expired

Multilayer plastic container and method of making the same

US6280679A · kind A · utility

75Cited by
12References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 18, 1998
Grant dateAug 28, 2001
Priority date
Expiry dateNov 18, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/1393
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The multilayer plastic container comprises a neck portion, a body portion, adjacent the neck portion, forming a cylindrical wall, and a bottom portion adjacent the body portion and opposite the neck portion. The cylindrical wall comprises a first layer of PET, a layer of EVOH adjacent the first layer of PET and a second layer of PET adjacent the layer of EVOH the EVOH has an average thickness which is greater near the neck portion of the container than near the bottom portion of the container.

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