Patents Assigned to DONGSHIN INDUSTRY INC.
  • Publication number: 20140227385
    Abstract: The present invention relates to an expanded polypropylene foam-forming mold including: a core mold having a plurality of core forming portions formed thereon, a guide groove formed between the neighboring core forming portions, and a gate formed on the bottom surface of the guide groove and having blade portions formed at both side edges thereof; and a cavity mold having a plurality of cavity forming portions to be combined with the plurality of core forming portions and a filler gun insertion hole formed between the neighboring cavity forming portions, wherein when the core mold is combined with the cavity mold, the outer peripheral surface of a filler gun coupled to the filler gun insertion hole is inserted into the guide groove.
    Type: Application
    Filed: February 11, 2014
    Publication date: August 14, 2014
    Applicant: DONGSHIN INDUSTRY INC
    Inventor: Gyong Ho KIM
  • Publication number: 20130156880
    Abstract: The present invention relates to a cavity and a core changeable foam-forming mold. According to a preferred embodiment of the present invention, the cavity and the core changeable foam-forming mold, comprises: a fixing mold; a mobile mold which is horizontally moved in the direction of the fixing mold and is combined with the fixing mold for coupling with a forming machine; one or more cavities which are detachably coupled with one side of the mobile mold facing the fixing mold; one or more cores which are detachably coupled with one side of the fixing mold facing the mobile mold; a raw material injection unit which is provided at the mobile mold and supplies a raw material for a molded product into a forming space formed among the cavity; and an extraction unit which is provided at the mobile mold.
    Type: Application
    Filed: August 2, 2011
    Publication date: June 20, 2013
    Applicant: DONGSHIN INDUSTRY INC.
    Inventor: Gyong-Ho Kim