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:
Jan. 22, 1985
Filed:
Aug. 09, 1982
Applicant:
Inventor:
Leonard A White, Gurnee, IL (US);
Assignee:
Baxter Travenol Laboratories, Inc., Deerfield, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264553 ; 264318 ; 264544 ; 425388 ;
Abstract
A unitary, thermoformed container having an undercut or re-entrant seal flange is provided. The container is made in a molding method and apparatus in which a flange-forming portion thereof has a short-stroke gate assembly that opens after the unitary, thermoformed container has been formed in order to provide an exit path away from the molding cavity to permit ready removal of the thermoformed container out of the molding cavity and its flange-forming portion.