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:
Nov. 09, 1976
Filed:
Apr. 19, 1976
John T Bell, St. Charles, IL (US);
Max E Bender, Glen Ellyn, IL (US);
Container Corporation of America, Chicago, IL (US);
Abstract
Packaging apparatus for placing reduced pressure on an open top flexible walled receptacle previously loaded at a higher ambient pressure and subsequently sealing the same, comprising a walled chamber having means therein for sealing the top of the receptacle, the chamber having a wall movable between an open position and a closed one, and having conveyor means disposed both interiorly and exteriorly of such wall, both conveyor means being selectively aligned with other conveyor means for transport of both sealed and unsealed receptacles. A preferred form of the apparatus comprehends a battery of such walled chambers where sealing of the receptacles takes place in tandem fashion, all the while movement taking place along conveyor means exterior of the walled chambers, as desired.