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| Number | Title | Issue Date |
| 6659471 | Gasket for sealing tri-face area A gasket is disclosed, which is adapted for the use in sealing of a tri-face area where a cylinder block, cylinder head and timing-chain housing meet together and come into abutment against one another. With the gasket of this invention, a deposit of bond... | 12/09/2003 |
| 6575473 | Metallic gasket In a metallic gasket having a metallic sheet made with a recess surrounding around a diverse type of hole, in which an elastic sealing member is installed, a relation between the recess and the elastic sealing member in their cross sections and also confi... | 06/10/2003 |
| 6502830 | Metallic gasket A metallic gasket installed between confronting surfaces of engine components is improved in heat conduction between the components so as to reduce the adverse thermal influence to the engine. The metallic gasket used between the confronting surfaces of, ... | 01/07/2003 |
| 6431554 | Metal gaskets A metal gasket is disclosed in which a shim laid on a bead plate around bore apertures in the bead plate is varied in radial width along the peripheries of the bore apertures to compensate for sealing stress circumferentially of the bore apertures. The me... | 08/13/2002 |
| 6422573 | Monolayer metal gaskets A monolayer metal gasket is disclosed in which variations in radial width of a core plate around bore apertures help regulate a sealing stress throughout around bore apertures. The monolayer metal gasket is comprised of a core plate extending around the b... | 07/23/2002 |
| 6336639 | Metal gaskets A metal gasket is disclosed which is used arranged between a cylinder block and a cylinder head. The metal gasket comprises carrier plates having thereon beads, and a stopper plate overlaid on the carrier plates and provided with folded constructions, whi... | 01/08/2002 |
| 6328313 | Gaskets A gasket comprises a thin plate to be arranged between confronting surfaces of a cylinder block and a cylinder head. The thin plate has attached with adhesives susceptible to plastic deformation at areas where the thin plate comes in mating with the confr... | 12/11/2001 |
| 6283480 | Metal gasket This metal gasket is formed by interposing a shim member between a pair of elastic metal plates, and fixing the shim member and one of the elastic metal plate to each other at the portions thereof which are opposed to a water jacket, whereby the function ... | 09/04/2001 |
| 6220606 | Metallic gasket A laminate-type metallic gasket comprising adjacent combustion chamber holes (A, A), a pair of bead substrates (3, 4) made of an elastic metallic plate with a bead (1) formed along each of the combustion chamber holes (A, A) and first and second intermedi... | 04/24/2001 |
| 6206381 | Multi-layer metal gasket A metal gasket is disclosed in which a sealing stress exerted on a deck-surface from any one of confronting bead plates is dispersed slantwise along the direction leaving its associated cylinder bore aperture so that the cylinder bores are protected from ... | 03/27/2001 |
| 6164662 | Metal gasket An engine gasket flattens the surface pressure occurring around holes, prevents the occurrence of impressions in and damage to a cylinder block and a cylinder head, and secures a stable sealing performance. This metal gasket has elastic metal plates and a... | 12/26/2000 |
| 6135459 | Metal gasket In this metal gasket, the stopper plate stacked on the bead base plates has its reduced thickness portionwhose thickness is smaller than the thickness of the stopper plate body-folded back to form a stopper portion. This structure provides the stopper por... | 10/24/2000 |
| 6076833 | Metal gasket This metal gasket comprises a pair of beaded metal plates formed of elastic metal plates having beads extending along the circumferences of bore holes, and adapted to seal bore seal portions, and one outer circumferential metal plate formed of an elastic ... | 06/20/2000 |
| 6056296 | Metal gasket having seal structure for three-surface combining portion This metal gasket is adapted to excellently seal a height different portion occurring on the opposed surfaces of a cylinder block and a chain case, by elastic members provided in recessed portions of full beads on an elastic metal plate. In this metal gas... | 05/02/2000 |
| 6027124 | Metal gasket A metal gasket in which a thin metal plate for reinforcing the beads of an elastic metal plate is laminated on bead regions only of the elastic metal plate, whereby a stable sealing performance is secured for a long period of time. This metal gasket compr... | 02/22/2000 |
| 5879011 | Laminated metal gasket for a cylinder block of an engine This metal gasket comprises a beaded base plate, an intermediate plate and a thin plate, and secures a stable long-standing sealing performance with a face-to-face pressure balance kept properly. This metal gasket is provided with full beads on the beaded... | 03/09/1999 |
| 5794945 | Metal gasket This metal gasket comprises a bead base plate with first beads and a sub-plate stacked on the bead base plate. The sub-plate is made of a thick metal plate and formed with second and third beads and stepped portions. The second beads, the third beads and ... | 08/18/1998 |
| 5791659 | Metal gasket The present invention comprises a pair of bead plates on which beads are formed, and an intermediate plate on which first and second stepped portions are formed. One of the bead plates is provided with auxiliary beads so as to prevent a full compression o... | 08/11/1998 |
| 5690343 | Metal gasket In this metal gasket, the beads formed on an intermediate plate prevent a full compression of bead plates and improve the sealability of the gasket. This metal gasket comprises first and second bead plates having main beads extending along the circumferen... | 11/25/1997 |
| 5626348 | Metal gasket The metal gasket according to the present invention is formed by bead base plates comprising elastic metal plates having beads and auxiliary beads along the circumferences of holes, and an intermediate plate interposed between these bead base plates. The ... | 05/06/1997 |
| 5626350 | Metal gasket A metal gasket comprising an elastic metal plate including beads formed around cylinder bore holes of a multiple-cylinder engine, wherein each bead comprises an independent bead formed around each hole, a common bead between an adjacent pair of holes and ... | 05/06/1997 |
| 5609345 | Metal gasket with stepped intermediate plate This metal gasket comprises a pair of bead plates on which beads are formed so as to extend along the circumferences of combustion chamber holes, and an intermediate plate interposed between the bead plates. The intermediate plate is provided on the parts... | 03/11/1997 |
| 5586776 | Laminated metal gasket having a varying bead structure, thickness, and overlap width A metal gasket for a cylinder head includes a superposed assembly of an elastic metal base plate having a plurality of beads formed along a plurality of juxtaposed holes for combustion chambers, an elastic metal adjusting plate having a plurality of beads... | 12/24/1996 |
| 5584490 | Metal gasket with coolant contact areas This metal gasket is formed by laminating a pair of bead plates and a pair of intermediate plates, and capable of setting the temperature distribution thereof uniform by efficiently cooling high-temperature regions which are in the vicinity of swirl chamb... | 12/17/1996 |
| 5544901 | Metal gasket for chain case-carrying engines This metal gasket for chain case-carrying engines is capable of reliably preventing the entry of an oil into height different parts, which occur on abutting surfaces of a cylinder block and a chain case, even when the oil deposited on the chain case scatt... | 08/13/1996 |
| 5516124 | Metal gasket A metal gasket comprising an elastic metal plate including beads formed around cylinder bore holes of a multiple-cylinder engine, wherein each bead comprises an independent bead formed around each hole, a common bead between an adjacent pair of holes and ... | 05/14/1996 |
| 5360219 | Exhaust manifold gasket The exhaust manifold gasket according to present invention consists of a pair of beaded plates provided with beads extending along the circumferences of exhaust holes therein, and a piled plate assembly inserted between these beaded plates. The piled plat... | 11/01/1994 |
| 5348315 | Metallic gasket The metallic gasket consists of a first elastic metallic plate having beads and folded portions and a second elastic metallic plate having beads, laminated on each other. The folded portions are formed by bending the plate alone the circumferences of cyli... | 09/20/1994 |
| 5310196 | Metallic gasket and method of manufacturing the same At the portions of the metallic gasket according to the present invention which are around perforations the inner diameter of which is smaller than that of holes for combustion chamber, the thickness of at least the folded portions and the portions of an ... | 05/10/1994 |
| 5294135 | Metal gasket and production method thereof This invention provides a metal gasket and its production method which prevents damage to folded portions by fold-machining and damage to metal materials after fastening, and expands the range of selection of materials for elastic metal plates, by reducin... | 03/15/1994 |
| 5286039 | Metal gasket This metal gasket interposes a regulation plate having compression stop portions and beads between first and second elastic metal plates the convexities of beads of which face one another. The compression stop portions prevent complete compression of each... | 02/15/1994 |
| 5281464 | Structure for finding wrong assemblage of metallic laminate type gasket A structure for finding wrong assemblage of the metallic laminate type gasket according to the present invention is composed of a plurality of component sheets overlapping each other, in which small holes for finding wrong assemblage in number one less th... | 01/25/1994 |
| 5087058 | Metal gasket for manifold Disclosed is a metal gasket for a manifold produced by laminating a plurality of bead plates having bead portions which are bent at a predetermined radius of curvature R and by setting the ratio R/t of the radius of curvature R to the thickness t of the b... | 02/11/1992 |
