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:
Oct. 30, 2001
Filed:
Oct. 27, 1998
Yanping Qiu, Middleton, WI (US);
Patrick Trevanion, Yorkshire, GB;
Yiming Wang, Middleton, WI (US);
Terry D. Gerhardt, Madison, WI (US);
Glenda Cahill, Florence, SC (US);
Richard Skiff, Florence, SC (US);
Sonoco Development, Inc., Hartsville, SC (US);
Abstract
Composite paperboard container constructions, providing optimized axial crush strength, and related properties, are formed of one, two, or three structural paperboard plies that are arranged to form a layered body wall having a cross-section of the construction in the ordered structure, high compression strength paperboard layer\low compression strength paperboard layer\high compression strength paperboard layer. Preferably, the container body is formed of one or two structural plies and at least one structural ply is a multiple layer paperboard having both high compression strength and low compression strength paperboard layers.