Abstract: The present invention has a purpose of providing a novel ?-galactosidase enzyme useful for the production of oligosaccharides. Disclosed is a ?-galactosidase enzyme comprising the amino acid sequence of any one of SEQ ID NOs: 1 to 4 or an amino acid sequence that is 80% or more identical to said amino acid sequence.

Abstract: A metal gasket assembly comprises a substrate metal sheet having at least one opening, and a peripheral member fitted into the opening along and welded to the periphery thereof. The peripheral member is made of a metal plate having a thickness greater than that of the substrate metal sheet.

Abstract: A reclaimed joint sheet used as a gasket or packing member for automobiles, ships and the like consists of a first layer of a joint sheet made from a given composition, a second layer of a joint sheet made by mixing finely pulverized pieces of the joint sheet after the punching out of the joint sheet having a given particle size with the same composition for the formation of the joint sheet, and a third layer of the same joint sheet as the first layer.

Abstract: A metal gasket assembly for a cylinder head includes a metal substrate having a predetermined shape with apertures including cylinder openings, bolt holes, coolant openings and lubricant openings. The metal substrate is further provided with half-beads in regions adjacent to the cylinder openings and full-beads in regions therearound. Ring-shaped shims are attached to the metal substrate so that they come into contact with the half-beads on a substrate surface where bulges of the full-beads are not situated.

Abstract: A metal gasket assembly for a cylinder head comprises: a metal substrate having a predetermined shape with apertures including cylinder openings, bolt holes, coolant openings and lubricant openings, which metal substrate being provided with half-beads in regions adjacent to the cylinder openings and full-beads in regions therearound; a metal sub-plate having the same planar configuration with and being thinner than the metal substrate; ring-shaped shims attached to the metal sub-plate in regions corresponding to the half-beads of the metal substrate; and a metal by-plate having the same planar configuration with the metal substrate and provided with full-beads in regions corresponding to the full-beads of the metal substrate; which metal substrate, metal sub-plate with shims and metal by-plate forming a laminated gasket assembly.

Abstract: A reclaimed joint sheet used as a gasket or packing member for automobiles, ships and the like consists of a first layer of a joint sheet made from a given composition, a second layer of a joint sheet made by mixing finely pulverized pieces of the joint sheet after the punching out of the joint sheet having a given particle size with a composition for the formation of the joint sheet, and a third layer of a joint sheet containing the same components as the first layer.

Abstract: A metal gasket assembly for a cylinder head comprises: a metal substrate having a predetermined shape with apertures including cylinder openings, bolt holes, coolant openings and lubricant openings, which metal substrate being provided with half-beads in regions adjacent to the cylinder openings and full-beads in regions therearound; a metal sub-plate having the same planar configuration with and being thinner than the metal substrate; ring-shaped shims attached to the metal sub-plate in regions corresponding to the half-beads of the metal substrate; and a metal by-plate having the same planar configuration with the metal substrate and provided with full-beads in regions corresponding to the full-beads of the metal substrate; which metal substrate, metal sub-plate with shims and metal by-plate forming a laminated gasket assembly.

Abstract: A metal gasket assembly comprises a substrate metal sheet having at least one opening, and a peripheral member fitted into the opening along the periphery thereof. The peripheral member is made of a metal plate having a thickness larger than that of the substrate metal sheet.

Abstract: A metal gasket assembly for a cylinder head includes a pair of elastic metal substrates each having an outer shape which conforms with the outer shape of the gasket assembly, cylinder openings corresponding to cylinders in the cylinder head, a peripheral region surrounding the cylinder opening, which may be greater in thickness than remaining region of the relevant substrate, and a bead in the peripheral region. The substrates are superimposed with each other with top portions of the beads of the substrates in abutment with each other. A by-plate may be arranged between the substrates and has an increased thickness in its peripheral region which surrounds the cylinder opening and which is in direct abutment with the top portions of the beads in the substrates.

Abstract: A metal gasket assembly for a cylinder head includes a metal substrate having a predetermined shape with apertures including cylinder openings, bolt holes, coolant openings and lubricant openings. The metal substrate is further provided with half-beads in regions adjacent to the cylinder openings and full-beads in regions therearound. Ring-shaped shims are attached to the metal substrate so that they come into contact with the half-beads on a substrate surface where bulges of the full-beads are not situated.

Abstract: A metal gasket assembly for a cylinder head comprises: a metal substrate having a predetermined shape with apertures including cylinder openings, bolt holes, coolant openings and lubricant openings, which metal substrate being provided with half-beads in regions adjacent to the cylinder openings and full-beads in regions therearound; a metal sub-plate having the same planar configuration with and being thinner than the metal substrate; ring-shaped shims attached to the metal sub-plate in regions corresponding to the half-beads of the metal substrate; and a metal by-plate having the same planar configuration with the metal substrate and provided with full-beads in regions corresponding to the full-beads of the metal substrate; which metal substrate, metal sub-plate with shims and metal by-plate forming a laminated gasket assembly.