The invention provides a plate-integrated gasket which can reduce a width necessary for installing seal members provided in a plurality of plates which are laminated on each other, and can achieve an improvement of productivity. In order to achieve this purpose, in the plate-integrated gasket, one p
The invention provides a plate-integrated gasket which can reduce a width necessary for installing seal members provided in a plurality of plates which are laminated on each other, and can achieve an improvement of productivity. In order to achieve this purpose, in the plate-integrated gasket, one plate and the other plate are laminated on each other, an outer peripheral surface of the one plate is fitted or loosely fitted to a stepped surface which is formed in the other plate, and a seal member made of an elastic material having a rubber-like elasticity is integrally formed astride both of the one plate and the other plate, and has a fixed portion filled in a seal fixing groove which is formed between the one plate and the other plate.
대표청구항▼
1. A plate-integrated gasket wherein one plate and the other plate are laminated on each other, an outer peripheral surface of the one plate is fitted or loosely fitted to a stepped surface which is formed in the other plate, and a seal member made of an elastic material having a rubber-like elastic
1. A plate-integrated gasket wherein one plate and the other plate are laminated on each other, an outer peripheral surface of the one plate is fitted or loosely fitted to a stepped surface which is formed in the other plate, and a seal member made of an elastic material having a rubber-like elasticity is integrally formed astride both of said one plate and the other plate, wherein the outer peripheral surface of the one plate faces the stepped surface of the other plate across a gap,the seal member has a fixed portion filled in a seal fixing groove which is formed between said one plate and the other plate, anda portion of the seal member extends into the gap to abut each of the outer peripheral surface of the one plate and the stepped surface of the other plate. 2. The plate-integrated gasket according to claim 1, wherein a stopper inhibiting the fixed portion from getting away from the seal fixing groove is formed in the seal member. 3. The plate-integrated gasket according to claim 2, wherein the stopper is extended from the fixed portion, and is locked to an expanded portion which is formed in the seal fixing groove. 4. The plate-integrated gasket according to claim 1, wherein one of respective laminated surfaces of the one plate and the other plate is provided with a burr stop projection which is brought into close contact with the other. 5. The plate-integrated gasket according to claim 1, wherein a projection is provided in one of respective laminated surfaces of the one plate and the other plate, a groove loosely fitted to said projection is provided in the other, and a burr stop labyrinth clearance gap is formed by the projection and the groove which are loosely fitted to each other. 6. The plate-integrated gasket according to claim 2, wherein one of respective laminated surfaces of the one plate and the other plate is provided with a burr stop projection which is brought into close contact with the other. 7. The plate-integrated gasket according to claim 3, wherein one of respective laminated surfaces of the one plate and the other plate is provided with a burr stop projection which is brought into close contact with the other. 8. The plate-integrated gasket according to claim 2, wherein a projection is provided in one of respective laminated surfaces of the one plate and the other plate, a groove loosely fitted to said projection is provided in the other, and a burr stop labyrinth clearance gap is formed by the projection and the groove which are loosely fitted to each other. 9. The plate-integrated gasket according to claim 3, wherein a projection is provided in one of respective laminated surfaces of the one plate and the other plate, a groove loosely fitted to said projection is provided in the other, and a burr stop labyrinth clearance gap is formed by the projection and the groove which are loosely fitted to each other. 10. The plate-integrated gasket according to claim 1, wherein the stepped surface is formed toward an inner peripheral side along an outer peripheral portion in a lower side of the other plate. 11. The plate-integrated gasket according to claim 1, wherein a first flow path groove is formed on an upper surface of the one plate;a second flow path groove is formed on a lower surface of the one plate which is superposed with an upper surface of the other plate; anda third flow path groove is formed on a lower surface of the other plate. 12. The plate-integrated gasket according to claim 1, wherein a first stepped groove is formed in an upper surface of an outer peripheral portion of the one plate;a second stepped groove is formed in an upper surface of an outer peripheral portion of the other plate; andthe first and second stepped grooves form the seal fixing groove. 13. The plate-integrated gasket according to claim 12, wherein the seal member includes: a first seal lip which is positioned on the first stepped groove of the one plate;a second seal lip which is positioned on the second groove of the other plate;a second fixed portion which is integrally bonded to an inner surface of the seal fixing groove; anda third seal lip which protrudes out of the second fixed portion. 14. The plate-integrated gasket according to claim 13, wherein the second fixed portion is connected to the fixed portion via a bridging member which is filled in a communication hole of the other plate.
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이 특허에 인용된 특허 (2)
Wozniczka, Boguslaw; DeVaal, Jake; Tabatabaian, Mehrzad, Encapsulating seals for electrochemical cell stacks and methods of sealing electrochemical cell stacks.
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