Patent ID: 11884023
Assignee: TETRA LAVAL HOLDINGS & FINANCE S.A.
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 6:
7. An apparatus for quality assessment of a sealing section of a package for food products, wherein the package comprises at least a robustness layer and a plastic layer, wherein the sealing section is formed by holding a first section and a second section of the package against each other while providing heat such that the plastic layer of the first and second section melt and thereby provide for that the first and second section adhere to each other, the apparatus comprising:
a sample holder arranged for fixating a sample comprising the sealing section of the package, wherein at least part of the sample holder is transparent,
a magnification device arranged on a first side of the sample holder,
an illumination device arranged on a second side of the sample holder, such that light is provided to the magnification device through the sample holder, wherein the first and second side are opposite sides of the sample holder;
a camera holder for fixating a camera and arranged such that a field of view of the camera is directed towards the sealing section of the sample; and
a stepping motor arranged for moving the sample holder in relation to the camera holder,
wherein the camera is arranged for capturing a series of images, wherein each image is associated with a position of the stepping motor, and
wherein a computer is configured for stitching the series of images into one and the same image.