Patent · US Active

Vertical pouch making machine and method of making pouches

US7409810B2 · kind B2 · utility

0Cited by
21References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 2, 2006
Grant dateAug 12, 2008
Priority date—
Expiry dateOct 2, 2026

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65B61/02
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A vertical form fill and seal continuous pouch machine includes a forming tube having a cross section area of CA is disclosed. A film tube is continuously formed about the forming tube and fed downward. A horizontal sealing assembly includes at least one pair of opposing sealing bars that make horizontal seals on the film, thereby forming pouches. The horizontal seals are formed in a horizontal sealing zone, and the vertical distance from a lower end of the forming tube to the center of the horizontal sealing zone is a transition distance that is (in inches) preferably no more than 0.5 multiplied by the cross-section area (in sq inches).

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