Patent · US Expired

Method and device for permanently deforming a flexible film material

US7516598B2 · kind B2 · utility

1Cited by
18References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 2004
Grant dateApr 14, 2009
Priority date
Expiry dateJan 18, 2024

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C2795/002
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A method for permanently deforming a flexible film material, in which the film material is deformed, forming a receptacle depression, the film material being kept under controlled tension while it is being moulded, so that controlled creases are formed in the film material, and a method of manufacturing a product packed in flexible film material, especially a food product, using the method and device for permanently deforming a flexible film material.

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