| 摘要 |
<p>The present invention relates to seal ring back-up devices suitable for e on glands in sealing systems. In particular, the present invention relates to s ring back-up devices that have been designed to fit into essentially all types I glands and close extrusion gaps. Some embodiments of the present inventior provide a seal ring back-up device having an annular body having an inner di eter, an outer diameter, and a scarf cut; and where the annular body is configu d to fit a gland and engage a seal ring.FIG.1 BSEAL RING BACKUP DEVICES AND METHODS FOR PREVENTING EXTRUSIONThe present invention relates to seal ring back-up devices suitable for use on glands in sealing systems. In particular, the present invention relates to seal ring back-up devices that have been designed to fit into essentially all types of glands and close extrusion gaps. Some embodiments of the present invention provide a seal ring back-up device having an annular body having an inner diameter, an outer diameter, and a scarf cut; and where the annular body is configured to fit a gland and engage a seal ring.FIG.1 B</p> |
