| 20090184279 | WEDGE AND COVERED INSERT ASSEMBLY - A partial valve assembly includes a wedge and a disk assembly that is assembled with at least one covered insert assembly and at least one O-ring. The insert assembly is covered with ethylene propylene diene monomer (EPDM) rubber or is covered with at least one of the following materials: styrene-butadiene (SBR), nitrile, neoprene rubber, adhesive backed rubber, cork, cork-rubber, Buna-n rubber, Buna-s rubber, nylon, silicon sponge rubber, fiber board, leather, natural rubber, synthetic rubber, plastic, polypropylene, polystyrene, thermoplastic elastomer (TPE), polyurethane, silicone, Teflon, urethane, and the like. | 07-23-2009 |
