| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a nozzle of an extruder for adding a liquid matter capable of adding a trace of the liquid matter by inhibiting the variation of the added quantity thereof.SOLUTION: Provided is a nozzle 1 of an extruder for adding a liquid matter having the following characteristics: the arithmetic average roughness Ra of the outer surface of the distal end portion thereof is 25 or below; the length from the distal end portion of the nozzle 1 is confined to a range of 10 mm or less; the distal end of the nozzle 1, furthermore, is formed by laser cutting; moreover, the distal end angle of the nozzle 1 is 10 to 80 degrees.</p> |
