Patent ID: 7645946

Claim:
A device for sealing an opening around a pipe or conduit extending through a surface and supporting the pipe or conduit: said device having a generally circular perimeter and a front and back face; consisting of two symmetrical pieces with inclined mating surfaces; said two symmetrical pieces having a resilient gasket on the back face; said two symmetrical pieces creating a hole through which a pipe or conduit may pass; said hole having a resilient gasket along its perimeter; said inclined mating surfaces having elliptical holes through them; said elliptical holes having mechanical fasteners passed through them; wherein when said fasteners are tightened said inclined mating surfaces draw said symmetrical pieces tight around a pipe or conduit; wherein when said fasteners are tightened said symmetrical pieces are simultaneously drawn tight to said surface through which a pipe or conduit extends; wherein the tightness of the mechanical fasteners can be adjusted.