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:
May. 22, 2001
Filed:
Oct. 11, 1999
Michael T. Drummond, Laurinburg, NC (US);
Alan D. Williams, Camden, SC (US);
Rick A. Osman, Effingham, SC (US);
Michael Gentile, Hartsville, SC (US);
Varadarajan Krishnaraj, Florence, SC (US);
Sonoco Development, Inc., Hartsville, SC (US);
Abstract
A sealed composite container is provided, the container including a tubular body member comprising at least one paperboard body ply. The container further comprises a liner ply adhered to the inner surface of the tubular body member, the liner ply comprising a barrier layer. At least one end of the body member and liner ply are rolled outwardly to form a rim and expose the liner ply. The rim defines a heat seal surface having a substantially planar portion. A lid is operatively positioned adjacent to the rim and heat sealed thereto, the lid also comprising a barrier layer. At least one of the lid and liner ply further comprise a seal layer comprising a heat sealable composition, the seal layer forming a heat seal between the lid and the liner ply having a substantially planar portion.