초록 ▼

A ring seal comprising a main body member having a U-shape cup recess opening on one side, usually having a U-shape metal spring located therein, and a hat ring with a solid projection fitting into the U-shape cup recess opening and having its opposite face being flat and normal to the ring axis. A

A ring seal comprising a main body member having a U-shape cup recess opening on one side, usually having a U-shape metal spring located therein, and a hat ring with a solid projection fitting into the U-shape cup recess opening and having its opposite face being flat and normal to the ring axis. A back up ring adjacent the heel of the main body ring can be provided. An assembly of such ring seals can be stacked heel-to-heel; hat-ring-to-hat-ring or heel-to-hat-ring.

대표청구항 ▼

A ring seal comprising a main body ring having a U-shape cup recess on at least one side, thereby defining legs about said recess, said recess having a round internal surface, the opening of said recess being from a direction parallel to its axis, and a hat ring with a solid ring projection portion

A ring seal comprising a main body ring having a U-shape cup recess on at least one side, thereby defining legs about said recess, said recess having a round internal surface, the opening of said recess being from a direction parallel to its axis, and a hat ring with a solid ring projection portion on at least one side for fitting into said recess of said main body ring, the end of said projection portion presenting a corner for engaging at least one leg for allowing the outward portion of said engaged leg to flex inwardly to conform to said projection portion, thereby limiting the inward collapse of said recess.