Expanded polypropylene foam-forming mold
AssigneeDongshin Industry Inc.
InventorGyong Ho KIM
Life of this patent
Estimating the term…
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.
Claims6
An expanded polypropylene foam-forming mold comprising:
- 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.
An expanded polypropylene foam-forming mold comprising:
- a core mold having a plurality of core forming portions formed thereon, a guide groove formed between the neighboring core forming portions and having a seating groove formed on the bottom surface thereof, and an operating gate seated into the seating groove of the guide groove in such a manner as to move in a height direction of the core mold;
- 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.
Dependencies are inferred from the claim text.