| CPC H01R 13/5216 (2013.01) [H01R 13/5202 (2013.01); H01R 13/5221 (2013.01); H01R 13/533 (2013.01)] | 19 Claims | 

| 
               1. A seal for use within a wellbore comprising: 
            a core comprising an elastomeric core material with a first modulus; and 
                a shell coupled to the core and comprising a shell material co-cured with the elastomeric core material, the shell material having a second modulus that is lower than the first modulus, the core and the shell being positionable to generate a pressure and electrical seal at a sealing interface. 
               |