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.:

US 8448844 B1

PDF
Full Text
Expired
Date of Patent:
May. 28, 2013

Filed:

Jan. 04, 2012
Applicant:

Zhiquan Yan, Richmond, VA (US);

Inventor:

Zhiquan Yan, Richmond, VA (US);

Assignee:

MeadWestvaco Corporation, Richmond, VA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 3/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hermetically sealed paperboard container including a container body component including upper and lower ends, the body component being formed from a blank including a paperboard layer having first and second major sides, a first sealant layer on the first major side, a barrier layer on the second major side, and a second sealant layer on the barrier layer, wherein the blank includes first and second longitudinal ends, the first longitudinal end being skived to a predetermined thickness for a predetermined width, the skived portion being folded over onto the blank and heat-sealed to the first sealant layer to form a folded first longitudinal end, and wherein the body component includes an overlapped seam including the folded first longitudinal end positioned inside the second longitudinal end, a bottom component sealed to the lower end; and a lid component hermetically sealed to the upper end.


Find Patent Forward Citations

Yan, Zhiquan. (2013). Hermetically sealed paperboard container with enhanced barrier performance (U.S. Patent No. 8448844). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8448844

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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