Title:
APPARATUS FOR CONTINUOUSLY MANUFACTURING POLYURETHANE STRAND FOAM
Document Type and Number:
WIPO Patent Application WO/2020/085587
Kind Code:
A1
Abstract:
The present invention includes a guide part so that the height and angle thereof can be adjusted according to the amount and density of a foaming solution to be supplied when foaming is carried out for molding strand foam by coating a polyurethane reactive mixture on a rotating conveyor belt, and thus performs molding through a simple operation so that the upper surface of the strand foam is flat, thereby preventing a convexly curved surface from being formed on the upper surface of the strand foam, so as to reduce the amount of waste foam to be generated. Therefore, a convexly upward curved surface shape, like a crown shape formed on the upper surface of a foam (6), as illustrated in figure 2, is not formed when a block foam is molded by means of a conventional apparatus for continuously manufacturing a polyurethane strand foam, and thus economic efficiency is high since there are no regions from which an convexly upward curved surface should be removed.
Inventors:
JEONG YONG CHAI (KR)
Application Number:
PCT/KR2019/002720
Publication Date:
April 30, 2020
Filing Date:
March 08, 2019
Export Citation:
Assignee:
DUT KOREA CO LTD (KR)
International Classes:
B29C44/34; B29C44/28; B29C44/36; B29K75/00
Foreign References:
| KR20060108459A | 2006-10-18 | |||
| KR20040088817A | 2004-10-20 | |||
| KR20130104473A | 2013-09-25 | |||
| KR100807194B1 | 2008-03-03 | |||
| KR101199453B1 | 2012-11-09 |
Attorney, Agent or Firm:
STYP PATENT LAW FIRM (KR)
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