Michael Pace Mcleod

US Patent:

6935504, Aug 30, 2005

Filed:

Oct 18, 2002

Appl. No.:

10/273661

Inventors:

Karl M. Ritter - Geneva IL, US
Michael B. McLeod - Romeoville IL, US

Assignee:

Smurfit-Stone Container Enterprises, Inc. - Chicago IL

International Classification:

B65D021/00

US Classification:

206511, 206512

Abstract:

A passive interlock structure for use in containers (such as cartons and trays), particularly those fabricated from corrugated paperboard and the like, which permits the facilitated aligning of vertically stacked containers. The passive interlock structure feature includes recesses formed in the tops or bottoms of the containers, and corresponding complementary low planar projections in the bottoms or tops of the containers.

US Patent:

7314159, Jan 1, 2008

Filed:

Nov 1, 2002

Appl. No.:

10/286159

Inventors:

Oscar Rochefort - Naperville IL, US
Michael B. McLeod - Romeoville IL, US

Assignee:

Smurfit-Stone Container Enterprises, Inc. - Chicago IL

International Classification:

B65D 5/00

US Classification:

229147, 229224, 2291032

Abstract:

Containers of the wraparound and tray style are provided, having enhanced stacking strength and general robustness, through the provision of internal and external reinforcing panels and flanges. Variations of the basic invention are provided with closure flaps of varying configuration and placement; end walls and minor flaps with angled side edges to provide for containers having inclined sides; regions of weakness, removable portions of panels and/or preformed apertures to permit conversion of the containers to display/merchandising modes; gusseted corner structures to provide for containment of fluent materials; and enhanced transverse support structures.

US Patent:

7861917, Jan 4, 2011

Filed:

Nov 20, 2007

Appl. No.:

11/943338

Inventors:

Oscar Rochefort - Naperville IL, US
Michael B. McLeod - Romeoville IL, US

Assignee:

Smurfit-Stone Container Enterprises, Inc. - Chicago IL

International Classification:

B65B 55/00

US Classification:

229147, 229224, 2291032, 229242, 229164

Abstract:

Containers of the wraparound and tray style are provided, having enhanced stacking strength and general robustness, through the provision of internal and external reinforcing panels and flanges. Variations of the basic invention are provided with closure flaps of varying configuration and placement; end walls and minor flaps with angled side edges to provide for containers having inclined sides; regions of weakness, removable portions of panels and/or preformed apertures to permit conversion of the containers to display/merchandising modes; gusseted corner structures to provide for containment of fluent materials; and enhanced transverse support structures.