초록 ▼

A pressure vessel suitable for use in an automotive air-conditioning system includes a cylindrical body (10, 40) including an annular wall (14, 44). The cylindrical body preferably includes an opposite closed end, an initially opened end (12, 42), and a closure member (20, 50) inserted into the open

A pressure vessel suitable for use in an automotive air-conditioning system includes a cylindrical body (10, 40) including an annular wall (14, 44). The cylindrical body preferably includes an opposite closed end, an initially opened end (12, 42), and a closure member (20, 50) inserted into the open end of the cylindrical body. The closure member and the cylindrical body each have extensions or annular flanges (28, 58) which are spin welded together. The cylindrical body is fused to the closure member when the annular flange (28, 58) of the closure member is spin welded to an annular, outermost portion (18, 48) of the cylindrical body. The closure member and the cylindrical body are further locked together by inwardly rolling a portion of the annular wall into an annular groove (30, 60) and an outermost surface of the closure member.

대표청구항 ▼

[ What is claimed is:] [1.] A pressure vessel for use in an automotive air-conditioning system, said pressure vessel comprising:a cylindrical body having an annular wall and an open end; anda closure having an annular flange, said annular flange having an annular groove therein, said closure being p

[ What is claimed is:] [1.] A pressure vessel for use in an automotive air-conditioning system, said pressure vessel comprising:a cylindrical body having an annular wall and an open end; anda closure having an annular flange, said annular flange having an annular groove therein, said closure being positioned within said open end of said cylindrical body with a portion of said annular wall of said cylindrical body being spin welded in a circumferential pattern to said annular groove of said annular flange of said closure such that said annular flange of said closure and said annular wall are mechanically interlocked and sealed shut to prevent refrigerant fluid from escaping said pressure vessel.