U-shaped sealing member for sealing a valve cover having an impact absorber
AssigneeCarl Freudenberg
InventorHans-Gerd Eckel
Life of this patent
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Abstract
A seal is in the form of a continuous annular strip (3) of elastic material. The seal is intended for insertion between a housing (1) and a lid or cover (2). The surfaces of the sealing strip facing the housing and lid are provided with thicker areas in the form of beads (4). The beads are separated and rest independently liquid-tight against both the housing and the lid. One bead rests off the lid and against the housing and the other rests off the housing and against the lid.
Claims14
In a seal in the form of a continuous annular strip of elastic material for insertion between a housing and a lid, the improvement wherein the strip has a U-shaped profile, wherein the sides of the strip facing the housing and lid are provided with thicker areas in the form of beads that are separated and rest independently in a liquid-tight manner against both the housing and the lid, respectively, whereby one bead rests off the lid and against the housing and the other rests off the housing and against the lid, and wherein the strip includes at least one impact absorber within the U-shaped profile projecting inward from the side of the strip between said beads.
In a seal in the form of a continuous annular strip of elastic material for insertion between a housing and a lid, the improvement wherein the sides of the strip facing the housing and lid are provided with thicker areas in the form of beads that are separated and rest independently in a liquid-tight manner against both the housing and the lid, respectively, whereby one bead rests off the lid and against the housing and the other rests off the housing and against the lid, wherein at least one of the beads is secured to one of the housing and lid, respectively, by a clamp extending around the opposite side of said one bead from said one of the housing and lid, and wherein said improvement further comprises means for securing said clamp to said one of the housing and lid.
Dependencies are inferred from the claim text.