Patent · US Expired

Hollow foamed polyolefinic resin container

US6713139B2 · kind B2 · utility

35Cited by
15References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 2002
Grant dateMar 30, 2004
Priority date
Expiry dateSep 27, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/249989
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The present invention provides a hollow foamed polyolefin-based resin container comprising an inner layer and an outer layer, at least one of the inner and outer layers being formed of a foamed polyolefin-based resin sheet, wherein at least a side wall part of the container has a hollow portion between the inner and outer layer and a process for produciong the same, and the like. The hollow foamed polyolefin-based resin container can be used as containers for retorted food products and other containers.

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