Westvaco Corporation

James F Rappolt

Edward L Osborne

A panel locking means is provided for securing together two or more corrugated paperboard panels in face-to-face contact. For this purpose, the panels to be secured together are provided with notches which have a narrow entry portion along the edge of a panel and taper outwardly to a wider base portion interiorly of the panel, and locking tabs which have a relatively narrow hinge portion interiorly of a panel and taper outwardly to a wider end portion along the edge of the panel.

Growing community of inventors

Overland Park, KS, United States of America

James F Rappolt