Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2005-03-22
2005-03-22
Bryant, David P. (Department: 3726)
Metal working
Method of mechanical manufacture
Assembling or joining
C029S530000, C029S525130, C411S082000
Reexamination Certificate
active
06868597
ABSTRACT:
Mechanical and adhesive charged blind fasteners have an annular one way flat or O-ring seal mounted at one end of a cylindrical rivet body sealingly engaged with an axially extending mandrel stem to provide a torodial chamber. The body has radial adhesive-extruding openings therethrough around which a vacuum may be established for initial adhesive charging purposes. For charging, the seal is deflected by the force of a flow of adhesive from a supply responding to the establishment of a positive pressure differential between the supply and the exterior of the body. With the torodial chamber opened, viscous adhesive readily flows therein from the supply. After being filled, the vacuum is terminated and the seal naturally recovers and closes the body to confine the adhesive therein. Adhesive charging can be achieved by other mechanisms that impress a load on the supply to effect seal opening.
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McGrath, Gareth; Jones, I. A., Hilton, P. A.; Kellar, E.J.C. and Taylor, A.; Sallavanti, P. “New Advances in Plastics Joining for High Speed Productin”, 2001-01-3398, 6 pages.
Schroeder Jessica A.
Stevenson Robin
Wang Pei-Chung
Bryant David P.
General Motors Corporation
Marra Kathryn A.
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