Copyright © Philip M. Parker, INSEAD. Terms of Use.

| Year | Description |
| 2001 | Invention patented by Richard A Durrant on April 29th, 2001. Abstract: A rotational molding oven for forming an object from a mold containing resin therein. The oven includes a cavity receiving the mold therein and a combustion chamber for providing heat inside of the cavity. A spool is rotatively positioned within the cavity, the sides of which spool substantially form the sides of the cavity, and a drive tube engages the mold and extends between first and second flanged disks of the spool. A first motor is positioned outside the cavity and rotates the spool and a second motor is positioned outside the cavity and rotates the mold within the spool. Heat in the cavity melts the resin within the mold and rotating the spool and mold by the first and second motors causes the melted resin to be evenly distributed throughout the mold. The drive tube may be selectively positioned at a peripheral edge or at a center of the spool. |
| Source: selected by the editor from original sources. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.