Abstract: A pressure vessel, including: a body portion; and an inclined nozzle projecting from the body portion along an axis inclined relative to an inner surface of the body portion, wherein: a through hole of a circular section is formed through both the body portion and the inclined nozzle. At an intersecting portion between the inner surface of the body portion and a surface surrounding the through hole, there are formed round portions. The radius of each of the round portions at two positions in a major axis direction is smaller than the radius of each of round portions.

Abstract: A pressure vessel, including: a body portion; and an inclined nozzle projecting from the body portion along an axis inclined relative to an inner surface of the body portion, wherein: a through hole of a circular section is formed through both the body portion and the inclined nozzle. At an intersecting portion between the inner surface of the body portion and a surface surrounding the through hole, there are formed round portions. The radius of each of the round portions at two positions in a major axis direction is smaller than the radius of each of round portions.

Abstract: A laminated-type evaporator for an automotive air conditioning refrigerant circuit includes a plurality of tube units having a pair of tray-shaped plates. Each of the tray-shaped plates includes a depression defined therein, a flange extending about the periphery thereof, and a wall disposed at an intermediate location therein and extending a portion of the length of each plate to thereby define a rear side and a front side to each plate. The wall includes a flat portion formed at an upper end thereof. A slit is formed at the flat, upper end portion of the wall by shearing. The slit extends along substantially the entire length of the wall along the wall's longitudinal axis.

Abstract: A laminated-type evaporator for an automotive air conditioning refrigerant circuit includes a plurality of tube units having a pair of tray-shaped plates. Each of the tray-shaped plates includes a depression defined therein, a flange extending about the periphery thereof, and a wall disposed at an intermediate location therein and extending a portion of the length of each plate to thereby define a rear side and a front side to each plate. The wall includes a flat portion formed at an upper end thereof. A slit is formed at the flat, upper end portion of the wall by shearing. The slit extends along substantially the entire length of the wall along the wall's longitudinal axis.