The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 17, 1996
Filed:
Apr. 21, 1995
Applicant:
Inventors:
Michael F Shower, Waterford, MI (US);
Kenneth P McDonald, Wixom, MI (US);
Anthony J Lukasiewicz, Howell, MI (US);
Assignee:
Elopak Systems A.G., Glattbrugg, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65B / ;
U.S. Cl.
CPC ...
53563 ; 533773 ; 53565 ; 493141 ; 493164 ;
Abstract
A pressure sealing mechanism having a yoke into which a mandrel is positioned while having a carton tube mounted thereon with overlapped end closure panels, the yoke including side walls, a closed outer end wall, oppositely disposed, inwardly extending flanges formed on the inner ends of the side walls, with cooperating slots formed in the mandrel, and an expansible bladder and a pressure pad mounted in the yoke for sealing the panels upon expansion of the bladder by forcing the yoke radially outwardly such that the flanges engage the slots providing a compressive force on the panels.