Patent ID: 6966443
Filing Date: 2005-11-22
Classification: A61H

Abstract:
1. Paraffin filter apparatus, comprising: a paraffin filter including a first end cap formed of a plastic material, said first end cap having a tubular inlet with a bore therethrough, and a disk-like body with a peripheral edge and an interface surface, said disk-like body having a first opening that opens into the bore of said tubular inlet, said disk-like body having a second opening larger than said first opening, and said second opening opens into the interface surface; said paraffin filter further including a second end cap formed of a plastic material, said second end cap having a tubular outlet with a bore therethrough, said second end cap including a disk-like body with a peripheral edge, and an interface surface facing the interface surface of said first end cap, the disk-like body of said second end cap having a first opening that opens into the bore of said tubular outlet, said disk-like body of said second end cap having a second opening larger than the bore of said tubular outlet, and said second opening opens into the interface surface of said second end cap; a filter medium sandwiched between the interface surfaces of said first and second end caps of said paraffin filter; the peripheral edges of said first and second end caps of said paraffin filter bonded together to make unitary the first and second end caps; and a reservoir of melted paraffin and a tube connecting the reservoir of melted paraffin to the tubular inlet of said paraffin filter.