Patent · US Active

Package valve closure system and method

US9963284B2 · kind B2 · utility

8Cited by
78References
20Claims
0Family size

Inventor

Key dates

Filing dateMay 3, 2016
Grant dateMay 8, 2018
Priority date—
Expiry dateMay 3, 2036

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D75/5866
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A package is disclosed. The package includes at least one valve or closure device provided at an access opening of the package. A method of forming and dispensing contents from a flexible package is also disclosed. Seals can be selectively applied to seal the closure to the package, control pressure in the closure, and to define a product flow pathway to facilitate dispensing of product upon sufficient pressure by the user.

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