| 摘要 |
A method of making battery vessels (1) of plastic material (M) is disclosed, comprising the steps of extruding a tubular element (5) with square or rectangular cross section, cutting to size the extruded tubular element (5) to obtain a tubular profile (2) of the required length (L), molding a flat element (3) of square or rectangular shape having the perimeter (3a) matching the lateral edge (2b) of the tubular profile (2) and fixedly assembling the flat element (3) to an end (3a) of said tubular profile (2) to obtain the vessel (1). |
