| 摘要 |
<p>The present invention relates to the extension nozzle for molding plastics buffing thermal expansion comprising the first and second nozzle heads (10, 10'); a supporting ring (6) fixed on the outer surface (4) of said first nozzle N1 ; - type first adjusting ring (9) that one end is contacted with said supporting ring (6) of said first nozzle N1 , the other one end is coupled with right outer surface (5); - type second adjusting ring (9') that one end is contacted with the left outer surface (41), the other end is coupled with the left outer surface (51); the first nozzle pin (17) that is inserted into the first head resin passage (22), the first tapered resin passage (14) and the first horizontal resin passage (15) and having multiple long grooves (19, 19') for a resin passage; and the second nozzle pin (171) that is inserted into the second head resin passage (22') and the second tapered resin passage (14').</p> |
