| 摘要 |
<p>The invention relates to a method for making a washing liquid dispensing line (1) of the type that includes a longitudinal duct for dispensing and spraying a washing liquid, having liquid spray openings (7) connecting the inside of the duct to the outside of the duct and arranged along said duct, characterised in that it includes: the step of making an initial longitudinal duct (2) having, on at least certain portions thereof, an inner wall (3) with a cross-section having a shape that is elongated along a transverse axis (X); and the shape of forming the liquid dispensing and projection duct by forming projection openings (7) in at least some portions of said initial duct (2), each opening (7) being made by a tool (6) that penetrates the initial duct (2) from the outside of the initial duct (2) to the inside of the initial duct (2) in an area located in the vicinity of the transverse axis (X) and in a direction substantially parallel to the axis (X).</p> |
