F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/32 (2006.01)
Patent
CA 2457167
A sealing ring is disclosed for the sealing of a space to be sealed about a machine element to be sealed. The sealing ring includes a sealing collar made of elastomeric material; at least one sealing lip on the sealing collar for sealing the space to be sealed; a stiffening ring of tough ductile material connected with the sealing collar. The sealing collar when viewed in longitudinal section of the sealing ring, has a radially outer axial leg connected with the stiffening ring only on the side axially facing the space to be sealed and a radial leg. The sealing ring further includes supporting ring connected with the stiffening ring and associated without bonding with an outer circumferential surface of the outer axial leg and an end face of the radial leg axially facing away from the space to be sealed. The supporting ring has a radial flange which is closely spaced from a surface of the machine element to be sealed with a very small intermediate radial spacing. Further disclosed is a sealing arrangement including a first sealing having a first sealing collar of elastomeric material with at least one sealing lip for the sealing of a first space to be sealed about a machine element to be sealed and a first supporting ring of tough ductile material connected with the sealing collar and having a first radial flange and a first axial flange; and a second sealing ring having a second sealing collar of elastomeric material with at least one sealing lip for the sealing of a second space to be sealed axially adjacent the first space to be sealed and a second supporting ring of tough ductile material connected with the sealing collar and having a second radial flange and a second axial flange; whereby the first and second sealing rings are combined into a pre-assembled unit.
Barth Armin
Bock Eberhard
Schreiner Peter
Vogt Rolf
Borden Ladner Gervais Llp
Carl Freudenberg Kg
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