Pressware International, Inc.

The Procter Gamble Company

Peerless Machine & Tool Corporation

Rogar Capital Corporation

Jeffrey Colin Reasinger

Garold W Alexander

Gene C Longbrake

John William Toussant

David J Bulcher

Richard Nicholas Reinhart, Jr

Bruce Neil Hall

Joe L Fortney

Wendy L Plummer

Benjamin K Hoblet

Harold H Hayes, Iii

Michael R Fought

An apparatus for pressforming a paperboard sheet into an articulable pressformed container. The apparatus includes a pair of male and female, matingly engagable dies, which have interfacing forming surfaces in the shape of a container for engaging a paperboard sheet. A first one of the dies has a plurality of ridges extending from the forming surface and a second one of the dies has a plurality of grooves within the forming surface. The grooves register with the ridges when the dies matingly engage for creating creases in the paperboard sheet. The invention also includes a method for simultaneously shaping the container and forming fold creases on the container thereby making the container articulable.

Method and apparatus for simultaneously forming an articulable container with fold creases

A die system ( ) for cutting a piece of sheet stock ( ) to create a blank and forming the blank to create a container includes first and second mating die halves ( ) and a cutting punch ( ). The first and second mating die halves ( ) are configured to move together to form the container from the blank. The cutting punch ( ) extends about the first die half ( ) and is movable therewith. The cutting punch ( ) is configured to cut the piece of sheet stock ( ) to create the blank. Movement of the die halves ( ) together causes the cutting punch ( ) to cut the blank from the piece of sheet stock ( ) and further movement of the die halves ( ) together causes the first and second die halves ( ) to form the container from the blank.

Pressed paper cut-in-place die

Food container

This invention relates to the field of paperboard tray forming machines which typically consist of an upper and lower die which interlock to deform a paperboard blank. The invention is an arcuate yoke having a pair of legs to which locating stops and side guide plates are rigidly attached. The die is angled to the earth so that a blank deposited onto the die is gravity biased toward the locating stops. The yoke is vibratingly driven and the blank is vibrated into position on the lower die by contacting the locating stops and side guide plates and vibrating to the blank's lowest position on the die.

Blank locating apparatus using vibration

A paper tray forming machine with an improved blank centering device which consists of at least one finger which is moved upward and toward two passive stops. The finger may be shaped similarly to the blank's edge so that precise positioning occurs during the motion of the fingers.

Precise positioning of blank in die

Clamshell sandwich container

Growing community of inventors

Hilliard, OH, United States of America

Jeffrey Colin Reasinger