Patent ID: 8814548
Filing Date: 2014-08-26
Classification: B29C,B29K,B29L,Y10S

Abstract:
1. A mold assembly that forms an expansion molded body by expanding foam raw material inside a cavity, comprising: a first die; a second die that is closable together with the first die, wherein a sealed cavity is defined between the first die and the second die when the first die and the second die are closed; and a sealing member that is provided on at least one of the first die and the second die and seals the cavity, wherein at least one of a first space that is on a side of the sealing member that is open to the cavity, and a second space that is provided in the sealing member and leads to the cavity, is defined when the first die and the second die are closed, wherein the sealing member has a first elastic body that is arranged around the cavity and is provided between the first space and the second space, and a second elastic body that is provided adjacent to the first elastic body at an inner side of the mold assembly toward the cavity, and when the first die and the second die are closed, the first elastic body abuts against both the first die and the second die.