Ppg Industries Ohio, Inc.

Prc De Soto International, Inc.

George C Obuhowich

Russell Shellenberger

Soccorso Rizzello

A cap () for sealing a mechanical fastener (), method for making the cap, and driver and method for applying the cap is disclosed. The cap includes a shell having an exterior surface () and an interior surface () defining a cavity (), an opening () extending through the shell between the interior and exterior surfaces, and a sealant () at least partially filling the cavity. A package and a holder for holding a plurality of cap assemblies are also disclosed.

Nut plate seal caps

A sealant, method for making the sealant, and method for applying the sealant includes a preformed at least partially hardened first quantity of sealant and a preformed at least partially unhardened second quantity of sealant. The first quantity of sealant is formed into a concave shell with an internal cavity. The second quantity of sealant is positioned within the internal cavity of the shell. The second quantity of sealant is maintained at a temperature sufficiently below the hardening temperature of the second sealant, such that said second sealant is at least partially retarded from hardening. The first and second quantities of sealant are packaged together for delivery to a substrate, such as a fastener.

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Brampton, Canada

George C Obuhowich