Bill Sorensen

US Patent:

20130305661, Nov 21, 2013

Filed:

Nov 17, 2010

Appl. No.:

13/885991

Inventors:

Bill Sorensen - Blue Springs MO, US
Paul Ammann - Olathe KS, US

International Classification:

B65B 31/02

US Classification:

53433, 53511, 53393

Abstract:

The invention relates to a vacuum packaging machine for producing an evacuated packaging of a product, which is disposed between an upper film and a lower film, and which can also be reliably used for thicker cover films or hard packaging.This is solved by means of a vacuum packaging machine which contains a forming station and at least one tool lifter () with tools, comprising an upper tool part () and a lower tool part () and a lifting system, which enables a first and a second lifting or closing movement, wherein at least one tool lifting cylinder () for a vertical lift of the lower tool part () as well as a cylinder shaft () passed through the lower tool part () and having a locking cam () is provided, and the cylinder shaft () is passed through an opening () of the lower tool part (), the cross-section of said opening corresponding to that of the locking cam ().