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.

Date of Patent:
Jan. 03, 1989

Filed:

Jun. 27, 1985
Applicant:
Inventors:

Josef Schmidt, Libertyville, IL (US);

David A Winchell, Spring Grove, IL (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
53410 ; 53455 ; 493191 ; 493211 ; 493213 ; 493339 ; 493929 ; 264138 ; 264160 ; 264259 ; 264264 ; 264266 ; 264255 ;
Abstract

A method is disclosed for making containers (40) in which a sheet of thermoplastic material (10) that is adapted to be formed into a pouch is introduced into a mold cavity (14). A molding compound (22) is also introduced into the mold cavity (14). The molding compound (22) is permitted to be bonded with the thermoplastic sheet (10) inside the mold cavity (14) to form a container port (20) in situ. The thermoplastic sheet (10) and bonded molding compound (22) are removed from the mold cavity (14) and the sheet carrying the port (20) formed from the bonded molding compound is folded and cut to form a container (40).


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