A seal for sealing between a first member and a second member, including a first annular insert and a second annular insert axially spaced from the first annular insert. An elastomeric body includes a first portion over-molded on the first annular insert and a second portion over-molded on the secon
A seal for sealing between a first member and a second member, including a first annular insert and a second annular insert axially spaced from the first annular insert. An elastomeric body includes a first portion over-molded on the first annular insert and a second portion over-molded on the second annular insert and an intermediate web extending between the first and second portions. The first and second portions including an annular flap extending from the first and second annular inserts that in an un-installed condition, extend radially relative to the first and second annular inserts and in an installed position are adapted to be compressed between the annular inserts and a surface of the first and second members.
대표청구항▼
1. A seal for sealing between a first bore in a first member and a second bore in an opposing second member, comprising: a first annular insert;a second annular insert axially spaced from said first annular insert; andan elastomeric body including a first portion over-molded on said first annular in
1. A seal for sealing between a first bore in a first member and a second bore in an opposing second member, comprising: a first annular insert;a second annular insert axially spaced from said first annular insert; andan elastomeric body including a first portion over-molded on said first annular insert and a second portion over-molded on said second annular insert and an intermediate web extending between the first and second portions, said first portion including a first annular flap on an exterior side of said first annular insert that in an un-installed condition, extends radially outward relative to said first annular insert and in an installed position is adapted to be compressed between said first annular insert and an inner surface of the first bore, said second portion including a second annular flap on an exterior side of said second annular insert that in an un-installed condition, extends radially outward relative to said second annular insert and in an installed position is adapted to be compressed between said second annular insert and an inner surface of the second bore, wherein said first and second annular flaps each include a proximal end connected to said elastomeric body over-molded to said first and second annular inserts respectively and a generally U-shaped body terminating at a distal end having a wider thickness than a thickness of said U-shaped body, the distal end of the first and second annular flaps being spaced from the elastomeric body over-molded to said first and second annular inserts in the unassembled condition. 2. The seal according to claim 1, wherein said distal end of said first annular flap includes a smooth transition region from said U-shaped body on a radially outer surface of said first annular flap and a raised bead region on a radially inner surface of said first annular flap. 3. The seal according to claim 2, wherein said distal end of said first annular flap includes a triangular cross-section. 4. The seal according to claim 2, wherein in the installed position, said raised bead region is compressed against the elastomeric body over-molded to said first annular insert. 5. The seal according to claim 2, wherein said distal end of said first annular flap includes a V-shaped cross-section. 6. A seal for sealing between a first member and a second member, comprising: a first annular insert;a second annular insert axially spaced from said first annular insert; andan elastomeric body including a first portion over-molded on said first annular insert and a second portion over-molded on said second annular insert and an intermediate web extending between the first and second portions, said first portion including a first annular flap extending from said first annular insert that in an un-installed condition, extends radially relative to said first annular insert and in an installed position is adapted to be compressed between said first annular insert and a surface of the first member, said second portion including a second annular flap extending from said second annular insert that in an un-installed condition, extends radially relative to said second annular insert and in an installed position is adapted to be compressed between said second annular insert and a surface of the second member, wherein said first and second annular flaps each include a proximal end connected to said elastomeric body over-molded to said first and second annular inserts respectively and a generally U-shaped body terminating at a distal end having a wider thickness than a thickness of said U-shaped body, the distal end of the first and second annular flaps being spaced from the elastomeric body over-molded to said first and second annular inserts in the unassembled condition. 7. The seal according to claim 6, wherein said distal end of said first annular flap includes a raised bead region on a surface of said first annular flap that opposes said elastomeric body over-molded to said first annular insert. 8. The seal according to claim 7, wherein said distal end of said first annular flap includes a triangular cross-section. 9. The seal according to claim 7, wherein in the installed position, said raised bead region is compressed against the elastomeric body over-molded to said first annular insert. 10. The seal according to claim 7, wherein said distal end of said first annular flap includes a V-shaped cross-section. 11. The seal according to claim 6, further comprising a center flange extending radially from said intermediate web portion. 12. The seal according to claim 11, wherein said center flange includes an annular insert overmolded by said elastomeric body. 13. A seal for sealing between a first member and a second member, comprising: a first annular insert;a second annular insert axially spaced from said first annular insert; andan elastomeric body including a first portion over-molded on said first annular insert and a second portion over-molded on said second annular insert and an intermediate web extending between the first and second portions, said first portion including a first annular flap extending from the first portion over-molded on said first annular insert that in an un-installed condition, extends radially relative to said first annular insert and in an installed position between the first member and the second member is adapted to be deformed by a surface of the first member, said second portion including a second annular flap extending from the second portion over-molded on said second annular insert that in an un-installed condition, extends radially relative to said second annular insert and in an installed position between the first member and the second member is adapted to be deformed by a surface of the second member, wherein said first and second annular flaps each include a proximal end connected to said elastomeric body over-molded to said first and second annular inserts respectively and a generally U-shaped body terminating at a distal end having a wider thickness than a thickness of said U-shaped body, the distal end of the first and second annular flaps being spaced from the elastomeric body over-molded to said first and second annular inserts in the unassembled condition. 14. The seal according to claim 13, further comprising a center flange extending radially from said intermediate web portion. 15. The seal according to claim 14, wherein said center flange includes an annular insert overmolded by said elastomeric body. 16. The seal according to claim 13, wherein in an uninstalled condition, said first annular flap extends radially outwardly at an angle relative to a direction parallel to a center axis of the seal. 17. The seal according to claim 13, wherein in an uninstalled condition, said first annular flap extends radially inwardly at an angle relative to a direction parallel to a center axis of the seal.
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이 특허에 인용된 특허 (17)
Rogers Alan F. (Southport GBX), Apparatus for introducing sealant into a clearance between an existing pipe and a replacement pipe.
Ohtsuga Hisao (5-26 ; Kamiosaki 4-chome Shinagawa-ku ; Tokyo JPX 141) Uzawa Koji (4-8 ; Hibarigaoka Kita 2-chome Hoya city ; Tokyo JPX 188) Kamuro Takashi (34-18 ; Nishimachi 5-chome Kokubunji city ;, Device for preventing leakage at pipe joints.
Chacon Michael (Pleasanton CA) Cooper Clifford (Oakland CA) Herrell Michael (Oakland CA) Fehringer John (San Mateo CA) Nunes Daniel (San Leandro CA) Panek Joseph (Concord CA) Ray Theodore (San Leandr, Pipe coupling.
Arlt Christian (Weinstrasse 14 Dinkelackerring 38 ; 6730 Neustadt DEX) Arlt Gerhard (6836 Oftersheim ; Neustadt DEX), Sealing insert for the tight connection of two pipes.
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