PROBLEM TO BE SOLVED: To align the directions of flat-shaped parts of each of members when a specified number of members each having both of flat-shaped parts and cylindrical parts are assembled by a method wherein tongue-and-groove joint mechanisms are provided between the cylindrical part of a base member and the cylindrical parts of other members in an apparatus for aligning the direction of flatness for the flat- shaped parts of the members. ;SOLUTION: In alignment of directions for a container 1, a first member, a base member 2, a second member, and a flat-shaped part 3a of a valve member 3, a third member, the alignment of directions for a flat-shaped part 1a of the first member and a flat-shaped part 2a of the second member is accomplished by a tongue-and- groove joint mechanism provided outside a cross section of a cylindrical part of the base member 2 wherein a protuberance 1d of the container 1 and an outer notch of the base member are fitted together. The alignment of directions for a flat-shaped part 2a of the second member and a flat-shaped part 3a of the third member is accomplished by a tongue-and-groove joint mechanism provided at a position at the center of a cross section of a cylindrical part of the base member 2 wherein a middle notch 2i of the base member 2 and a protuberance 3g of a valve member 3 are fitted together, and thereby three or more members can be assembled.;COPYRIGHT: (C)2000,JPO
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