Blowing molding needle

Details Blowing molding needle Blowing molding needle

B - Operations, Transporting

29

C

B29C 49/60 (2006.01)

Patent

CA 2510367

The present invention is a blow molding needle for blow molding a parison having a hollow center surrounded by walls. The blow molding needle includes an elongated cylindrical hollow tube having opposite first and second ends, the first end of the needle having an open tip. The needle has a straight portion and a tapered parison contact potion for contacting the parison. The contact portion of the needle is located between the open tip and the straight portion. The contact portion of the needle is dimensioned to ensure that only the contact portion contacts the parison. The needle has an outside diameter, the diameter of the tapered portion diminishing along the entire contact portion from the straight portion to the open tip. The tapered portion may be coated with a low friction material such as Teflon.TM..

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