Abstract: A metal gasket (10) installed between a cylinder head and a cylinder block comprises at least one metal substrate (11) coated with a sealant (19) on its outer surface, and including a full bead (13) for cylinder bore hole sealing and a half bead (16) for liquid hole sealing. The half bead (16) includes: an inclined plate portion (16b) connected to a flat substrate body (11a) of the metal substrate (11) through a first bend portion (16a) and inclined with respect to the substrate body (11a); and an edge plate portion (16d) connected to the inclined plate portion (16b) through a second bend portion (16c) and inclined with respect to the inclined plate portion (16b). A radius at a convex surface of the first bend portion (16a) and a radius at a concave surface of the second bend portion (16c) are in a range of 2.0 mm to 3.5 mm.

Abstract: A metal gasket (10) installed between a cylinder head and a cylinder block comprises at least one metal substrate (11) coated with a sealant (19) on its outer surface, and including a full bead (13) for cylinder bore hole sealing and a half bead (16) for liquid hole sealing. The half bead (16) includes: an inclined plate portion (16b) connected to a flat substrate body (11a) of the metal substrate (11) through a first bend portion (16a) and inclined with respect to the substrate body (11a); and an edge plate portion (16d) connected to the inclined plate portion (16b) through a second bend portion (16c) and inclined with respect to the inclined plate portion (16b). A radius at a convex surface of the first bend portion (16a) and a radius at a concave surface of the second bend portion (16c) are in a range of 2.0 mm to 3.5 mm.

Abstract: A composite body in which a resin and a metal are contact-bonded with excellent adhesive force. Also, a composite body which is suppressed in decrease of bonding strength between a resin and a metal due to water absorption of the resin even if the composite body is left in rain or water, or is left in a high humidity environment or the like for a long period of time. The composite body is obtained by contact-bonding a thermoplastic resin (A) and a metal (B), and is characterized in that the thermoplastic resin (A) is a polyamide elastomer (1A) or a thermoplastic resin composition (2A) that contains a water absorbent thermoplastic resin (2a) and a metal hydroxide (2b).

Abstract: Provided is a composite body in which a resin and a metal are contact-bonded with excellent adhesive force. Also provided is a composite body which is suppressed in decrease of bonding strength between a resin and a metal due to water absorption of the resin even if the composite body is left in rain or water, or is left in a high humidity environment or the like for a long period of time. The present invention relates to a composite body which is obtained by contact-bonding a thermoplastic resin (A) and a metal (B), and which is characterized in that the thermoplastic resin (A) is a polyamide elastomer (1A) or a thermoplastic resin composition (2A) that contains a water absorbent thermoplastic resin (2a) and a metal hydroxide (2b).

Abstract: Provided is a composite body in which a resin and a metal are contact-bonded with excellent adhesive force. Also provided is a composite body which is suppressed in decrease of bonding strength between a resin and a metal due to water absorption of the resin even if the composite body is left in rain or water, or is left in a high humidity environment or the like for a long period of time. The present invention relates to a composite body which is obtained by contact-bonding a thermoplastic resin (A) and a metal (B), and which is characterized in that the thermoplastic resin (A) is a polyamide elastomer (1A) or a thermoplastic resin composition (2A) that contains a water absorbent thermoplastic resin (2a) and a metal hydroxide (2b).

Abstract: There is provided a metal gasket that is at low cost yet with high sealing performance. A metal gasket 1 includes at least one metal gasket substrate 2 having a circumferential bead 14 formed circumferentially around a cylinder hole 6. The circumferential bead 14 includes a first bead portion 20 formed of a pair of inclined walls 20a, 20b each extending from the gasket substrate to a tip end, the tip ends of the pair of the inclined walls being spaced from each other, and a second bead portion 21 extending from the tip ends of the inclined walls 20a, 20b in a direction opposite to the protruding direction of the inclined walls. The following relationships are satisfied: Fh1>Fh2, and W1>W2, where Fh1 is a height of the first bead portion 20, Fh2 is a height of the second bead portion 21, W1 is a half of a width of the circumferential bead 14, and W2 is a width of the second bead portion 21.

Abstract: There is provided a metal gasket that is less susceptible to lift and thrust phenomenon of housings and can effectively function as a sealing at a blowhole. The metal gasket includes an embossment portion provided with a pair of outer inclined portions and a pair of inner inclined portions. The metal gasket and satisfies the following relationships: Mh2/Mh1=1.10?1.81, W3>W1, and W3>W2, where Mh1 and Mh2 are vertical lengths, and W1, W2 and W3 are horizontal lengths. When the gasket is sandwiched in between two housings, tip ends abut on the housing to form two seal lines, and root ends, and another tip end abut on the housing H2 to form three seal lines.

Abstract: There is provided a metal gasket that is less susceptible to lift and thrust phenomenon of housings and can effectively function as a sealing at a blowhole. The metal gasket includes an embossment portion provided with a pair of outer inclined portions and a pair of inner inclined portions. The metal gasket and satisfies the following relationships: Mh2/Mh1=1.10?1.81, W3>W1, and W3>W2, where Mh1 and Mh2 are vertical lengths, and W1, W2 and W3 are horizontal lengths. When the gasket is sandwiched in between two housings, tip ends abut on the housing to form two seal lines, and root ends, and another tip end abut on the housing H2 to form three seal lines.

Abstract: There is provided a metal gasket that is at low cost yet with high sealing performance. A metal gasket 1 includes at least one metal gasket substrate 2 having a circumferential bead 14 formed circumferentially around a cylinder hole 6. The circumferential bead 14 includes a first bead portion 20 formed of a pair of inclined walls 20a, 20b each extending from the gasket substrate to a tip end, the tip ends of the pair of the inclined walls being spaced from each other, and a second bead portion 21 extending from the tip ends of the inclined walls 20a, 20b in a direction opposite to the protruding direction of the inclined walls. The following relationships are satisfied: Fh1>Fh2, and W1>W2, where Fh1 is a height of the first bead portion 20, Fh2 is a height of the second bead portion 21, W1 is a half of a width of the circumferential bead 14, and W2 is a width of the second bead portion 21.

Abstract: A composite obtained by contact bonding a thermoplastic resin composition (A) and a metal (B), wherein the thermoplastic resin composition (A) contains a thermoplastic resin (such as a polyamide resin) and an inorganic filler that increases the crystallization temperature of the thermoplastic resin by 3° C. or more and the metal (B) is a surface-treated metal (such as talc, graphite, magnesium oxide, kaolin or calcium carbonate). The characteristics of the thermoplastic resin is not deteriorated by the bonding.

Abstract: A metal gasket for a cylinder head has a lamination of plates. The gasket includes two base metal plates each of which includes cylinder holes, circumferential beads formed around the peripheries of individual cylinder holes, cooling water holes formed outside the peripheries of the circumferential beads, and an outer bead formed so as to entirely enclose the circumferential beads and the cooling water holes. The circumferential beads of the two base plates are aligned in a direction of thickness of the gasket. Claw shaped protrusions are provided for one of an outer step adjustment metal plate and an inner step adjustment metal plate and extend from a cooling water jacket to the outer edges of the base plates into engagement holes in the other of the inner step adjustment plate and the outer step adjustment plate.

Abstract: A metal gasket for cylinder head 1 of plate lamination type, comprises two base metal plates each of which includes cylinder holes, circumferential beads formed around the peripheries of individual cylinder holes, cooling water holes formed outside the peripheries of the circumferential beads, and an outer bead formed and positioned so as to entirely enclose the circumferential beads and the cooling water holes, wherein the circumferential beads of the two base plates are aligned in the direction of thickness of the metal gasket. Claw-like protrusions are provided for one of an outer step adjustment metal plate and extending from the cooling water jacket to the outer edges of the base plates, and a thicker inner step adjustment metal plate 4 extending from inside the circumferential beads to the cooling water jacket, into engagement holes in the other of the inner step adjustment plate and the outer step adjustment plate.

Abstract: A process for producing a magnetic recording medium with a magnetic recording layer comprising coating a magnetic coating composition comprising mainly a ferromagnetic powder, a binder, and a predominantly aqueous coating solvent on a nonmagnetic support and then drying, wherein the binder contains a water-soluble or water-dispersible amide compound. In a particularly preferred embodiment, the binder also contains an epoxy compound containing on the average one or more adjacent epoxy groups in the molecule.

Abstract: The present invention provides adhesive compositions of improved adhesion which comprise (a) an ether-type polyester obtained by the heat treatment of a polyethylene-terephthalate with at least one glycol having at least 3 carbon atoms to interchange the ethylene glycol components in the polyethylene-terephthalate, and (b) a linear thermoplastic high molecular weight urethane elastomer. Embodiments include an adhesive composition, comprising component (a) and component (b) plus (c) a polyisocyanate and an adhesive coating composition comprising an ether-type polyester obtained by the heat treatment of a polyethylene terephthalate with at least one glycol having at least 3 carbon atoms to interchange the ethylene glycol components in the polyethylene terephthalate, a polyisocyanate and a pigment.