Patent ID: 8608466
Filing Date: 2013-12-17
Classification: B29C

Abstract:
1. A blow mold unit that is secured on a base of a blow molding apparatus, the blow mold unit comprising: a blow mold that includes a first blow cavity split mold, a second blow cavity split mold, and a plurality of raised-bottom molds, the first blow cavity split mold and the second blow cavity split mold being closed so that a parting surface of the first blow cavity split mold and a parting surface of the second blow cavity split mold come in contact with each other, and the plurality of raised-bottom molds respectively defining a raised-bottom shape in a plurality of cavities defined by the first blow cavity split mold and the second blow cavity split mold; a first securing member on which the first blow cavity split mold is secured; a second securing member on which the second blow cavity split mold is secured; a plurality of first pressure-receiving members, the plurality of first pressure-receiving members being respectively disposed on either side of the first blow cavity split mold and either side of the second blow cavity split mold, and being respectively secured on the first securing member and the second securing member; a third securing member that is disposed between the first securing member and the second securing member, the plurality of raised-bottom molds being secured on a first side of the third securing member; a plurality of shafts that are suspended from a second side of the third securing member that is opposite to the first side, a lower end of each of the plurality of shafts being a free end; and a plurality of second pressure-receiving members that are secured on the first securing member and the second securing member at a position below the third securing member.