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OwnerSusumu Ishiwatari, Masahiro Tsubone +4inventors
InventorsSusumu Ishiwatari, Masahiro Tsubone, Takaaki Hirai, Masahiro Shindo, Kiyoshi Yoshioka, Nobuyuki Tsujiwaki
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A thermoplastic polyester resin is fed into a twin extruder, wherein a resin is heated for melting, thereby removing moisture in the resin by evacuating and sucking from a vent port thereof, injecting a foaming agent into the resin to which is pushed out as a foaming sheet and, after that, forming the foaming sheet which is divided into a forming body and a trimming loss, whereby the trimming loss is crushed to obtain crushed materials which are provided so as to put the materials into the twin extruder as collection materials and recycle them.
A method for manufacturing thermoplastic polyester resin foam comprising:
A method for manufacturing thermoplastic polyester resin foam product, comprising:
A method for manufacturing thermoplastic polyester resin foam comprising:
A method for manufacturing thermoplastic polyester resin foam comprising:
A method for manufacturing thermoplastic polyester resin foam comprising:
A method for manufacturing thermoplastic polyester resin foam product, comprising:
Dependencies are inferred from the claim text.