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:
Feb. 04, 1992
Filed:
Dec. 04, 1990
Applicant:
Inventor:
Leo J Esper, Troy, MI (US);
Assignee:
Elopak Systems A.G., Glattbrugg, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65B / ;
U.S. Cl.
CPC ...
533748 ; 1002 / ; 1565833 ;
Abstract
A carton top sealing mechanism for use in processing thermoplastic coated paperboard cartons on a forming, filling and sealing machine. The top sealing mechanism includes oppositely disposed fixed and movable sealing jaws, between which heated adjacent sealing fins of a gable top carton are positioned. A pneumatic bladder or membrane is operatively connected to the movable sealing jaw to move same upon being inflated to thereby squeeze the sealing fins between the jaws and seal same together.