A filter canister assembly utilizes a sealant deflector to seal a particulate filter to the canister wall, even after the canister is sealed. The canister housing has a wall and an aperture with a particulate filter disposed therein. The particulate filter has an edge adjacent the wall, and is designed...http://www.google.es/patents/US5062874?utm_source=gb-gplus-sharePatente US5062874 - Filter sealing apparatus
