Patent · US Expired

Preservation container for food and the like

US6513659B1 · kind B1 · utility

19Cited by
8References
11Claims
0Family size

Assignees

Inventors

Key dates

Filing dateOct 2, 2000
Grant dateFeb 4, 2003
Priority date
Expiry dateOct 2, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D77/225
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A preservation container for food and the like comprising a sealable container main body (2), to which a lid (3) is attached, an opening (5) connecting the inside and the outside is provided on the lid (3), and a gas non-permeable sheet (6) having a vent hole (7) at a position offset to the opening (5) is arranged to cover the opening (5). When the pressure inside the container is reduced, the sheet (6) is curved toward the inside at a part corresponding to the opening (5) and is adhered and retained on the outer surface of the lid (3).

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