Modified C-shaped mechanical spring seal
Channeled ring seals with spring rings
ApplicationNo. 613150 filed on 07/03/2000
US Classes:277/553, Bias feature other than nominal garter spring277/555, Radially extending finger spring277/557Axially extending helical or spiral spring
ExaminersPrimary: Knight, Anthony
Assistant: Pickard, Alison K.
International ClassF16J 015/32
AbstractThis invention describes a seal ring which is consisted of a spiral spring wire acting as an expander device where in turn is inserted inside a C and or U shaped jacket made of a softer material such as elastomer or teflon in such a manner that forces the outer and inner lips of this jacket outwardly and inwardly accordingly to create a seal under extreme side loading and offsets of mating shaft.