Blow molding apparatus

  • US 8,613,614 B2
  • Filed: 02/06/2013
  • Issued: 12/24/2013
  • Est. Priority Date: 09/11/2009
  • Status: Active Grant
First Claim
Patent Images

1. A neck mold assembly comprising:

  • N rows of holding plates, N being an integer equal to or larger than 2, and each of the N rows of holding plates holding a plurality of neck molds; and

    a supporting-mechanism that supports the N rows of holding plates, the supporting mechanism including;

    at least one reinforcement shaft that is provided along a row direction of the N rows of holding plates; and

    two first securing sections that are secured at either end of the at least one reinforcement shaft,each of the N rows of holding plates including;

    at least one first through-hole formed therein that receives the at least one reinforcement shafta pair of split plates that secures a pair of neck split molds;

    two second through-holes that are formed in the row direction at a plurality of positions in a longitudinal direction;

    two guide shafts that are respectively inserted into the two second through-holes; and

    two biasing members that are respectively inserted into the two guide shafts, and bias the pair of split plates in a closing direction.

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