| 20080309020 | PLUNGER WITH ANNULAR EXTERIOR SEALS AND METHOD OF INSTALLING ANNULAR SEALS ON AN EXTERIOR SURFACE OF A PLUNGER - A method of installing annular seals on a plunger. A first step involves positioning an annular seal on a seal installation tool adapted to hold the annular seal in an expanded state. A second step involves positioning the annular seal so that the annular seal overlies a body of a plunger. A third step involves transferring the annular seal from the seal installation tool to a seal groove in the body of the plunger. | 12-18-2008 |