Springclip ring
Patent 6419236 Issued on July 16, 2002. Estimated Expiration Date: 
July 3, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 3, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1854708 2093572 2106829 2511386 3229987 3301568 Annular seal Packing member Modified C-shaped mechanical spring seal Channeled ring seals with spring rings InventorApplicationNo. 613150 filed on 07/03/2000US Classes:277/553, Bias feature other than nominal garter spring277/555, Radially extending finger spring277/557Axially extending helical or spiral springExaminersPrimary: Knight, AnthonyAssistant: Pickard, Alison K. International ClassF16J 015/32AbstractThis 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. | |
