Abstract: The present invention relates to a photocurable composition having a sheet shape at 25° C. in an uncured state, the photocurable composition including a urethane-modified (meth)acrylate oligomer and a photoinitiator and being free from a film-forming component. The present invention also relates to a photocurable composition, a method for producing a photocurable composition having a sheet shape at 25° C. in an uncured state, and a laminated body.

Abstract: A power element-valve housing combined type thermal expansion valve has a diaphragm in an element and a driving member for driving a valve body in a housing by a diaphragm deflection. The diaphragm has a center opening surrounded by a tubular projection, the driving member has an outer flange coaxially supporting the diaphragm and a heat-balance containing blind hold opened to a heat sensitive working fluid in a sealed chamber in the element. A diaphragm catch fits on the projection's periphery and is airtightly welded with a coaxial annular ridge on a supporting surface of the flange to sandwich the diaphragm with the flange.

Abstract: Herein disclosed is an elastic coupling using rubber or an elastomer as an elastic element. The elastic coupling includes an inner metal ring having its radially outer surface radially curvilinearly convexed, an outer metal ring having its radially inner surface radially curvilinearly convexed, and an elastomer ring interposed between the inner and outer metal rings and having its radially inner and outer surfaces correspoindingly radially cirvilinearly concaved as to be fitably secured, respectively, to the outer surface of the inner metal ring and to the inner surface of the outer metal ring. Thus, the modulus of shearing strain of the surface portions of the elastomer ring at the side is smaller than that of an inside portion of the same so as to eliminate any pretension of the surfaces of the elastomer ring.