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Patent Searching and Data


Title:
EXTRUSION MOLDING APPARATUS HAVING HIGH COOLING EFFICIENCY
Document Type and Number:
WIPO Patent Application WO/2020/256234
Kind Code:
A1
Abstract:
The present invention relates to an extrusion molding apparatus comprising: a cooling tank in which a molding cooling space for accommodating cooling water and extrusion molding a product to be molded is formed; an upper roller stage in which a plurality of upper rollers are arranged in a series in the molding cooling space; and a lower roller stage which is spaced downward from the upper roller stage at a predetermined distance, and in which a plurality of lower rollers are in a series so as to be parallel with the upper rollers, wherein the product to be molded is simultaneously cooled and extrusion-molded while submerged in cooling water in the molding cooling space.

Inventors:
HWANG HUI JU (KR)
Application Number:
PCT/KR2019/015922
Publication Date:
December 24, 2020
Filing Date:
November 20, 2019
Export Citation:
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Assignee:
HWANG HUI JU (KR)
International Classes:
B29C48/88; B29C48/92
Foreign References:
KR100963185B12010-06-14
JP2009072943A2009-04-09
CN105252732A2016-01-20
JP3892822B22007-03-14
JPH10244577A1998-09-14
JPH10318639A1998-12-04
Attorney, Agent or Firm:
KIM, Kuk Nam (KR)
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