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. 16, 1989
Filed:
Sep. 28, 1988
Kenneth K Lau, Vancouver, CA;
David F Gillard, Surrey, CA;
MacMillan Bloedel Limited, , US;
Abstract
A multiwalled container made of corrugated paper board and formed from an open ended sleeve of such multiwalled container board is provided with an end closure that is discreet from the sleeve but is connected thereto via flaps connected to the outer surface of the walls of the sleeve. The closure includes at least one panel connected to the sleeve by the flaps and providing a bridging member extending across the open end of the sleeve and functioning to resist outward deflection of the side walls of the sleeve via tension in the bridging member when said container is erected and foldable into the interior of said sleeve when said container is in knock down condition.