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Patent Searching and Data


Title:
A METHOD OF MAKING MOLDED PARTS HAVING SMOOTH SURFACE AND MOLDED PARTS MADE THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/148205
Kind Code:
A3
Abstract:
The invention relates to a method of making parts of construction materials by using a mold coated with multiple resin-based layers comprising at least an epoxy resin-based primer and a polyurethane resin-based demolding layer, wherein the mold can be used for multiple cycles after curing and demolding. The invention also relates to the resin-coated mold and the cured parts of construction materials having smooth surface made thereof.

Inventors:
KOYAMA HIROMITSU (JP)
CUI JING (JP)
ROY CHOWDHURY SIDDHARTH (JP)
RAO XUE WU (CN)
Application Number:
PCT/EP2020/050645
Publication Date:
October 01, 2020
Filing Date:
January 13, 2020
Export Citation:
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Assignee:
CONSTRUCTION RESEARCH & TECHNOLOGY GMBH (DE)
International Classes:
E04G9/05; B28B7/36; C08G18/00; C09D163/00; C09D175/04
Domestic Patent References:
WO1997033749A11997-09-18
Foreign References:
JP3029404B22000-04-04
JPH09295370A1997-11-18
JPH01201281A1989-08-14
JPH1034076A1998-02-10
JPH03193302A1991-08-23
US20180215673A12018-08-02
US20120168603A12012-07-05
US3505275A1970-04-07
Attorney, Agent or Firm:
BASF IP ASSOCIATION (DE)
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