公开(公告)号：US3625390A

公开(公告)日：1971-12-07

申请号：US3625390D

申请日：1968-02-09

Applicant: CHARLES E MEGINNIS

Inventor： MEGINNIS CHARLES E

IPC: F16J13/02 ,  B01J3/00 ,  F17C13/02 ,  B65D53/06

CPC classification number: G02B7/007 ,  B01J3/004

Abstract: A sight glass assembly comprising housing means having an opening therethrough, a lens mounted in the opening, the opening having an inclined wall, resilient packing means interposed between the lens and the inclined wall of the opening, a faceplate disposed about the lower periphery of the lens engageable with the packing member and means for securing the faceplate to the housing means to apply a force on the packing means directed against the inclined wall of the opening in the housing means whereby the packing means is forced toward the lens to provide a compressive force about the periphery thereof.