Method for manufacturing polymer-molded material by using mold which easily forms a 3-dimensional surface pattern, and molded material for home appliance having the 3-dimensional surface pattern

A technology for molding materials and household appliances, which is used in thin material handling, transportation and packaging.

Inactive Publication Date: 2013-09-18
LG HAUSYS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is difficult to form large-sized products by injection molding due to mold deformation or demoulding

Method used

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  • Method for manufacturing polymer-molded material by using mold which easily forms a 3-dimensional surface pattern, and molded material for home appliance having the 3-dimensional surface pattern
  • Method for manufacturing polymer-molded material by using mold which easily forms a 3-dimensional surface pattern, and molded material for home appliance having the 3-dimensional surface pattern
  • Method for manufacturing polymer-molded material by using mold which easily forms a 3-dimensional surface pattern, and molded material for home appliance having the 3-dimensional surface pattern

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Embodiment Construction

[0030] The above and other aspects, features and advantages of the present invention will become apparent from the detailed description of the following embodiments in conjunction with the accompanying drawings. It should be noted that the present invention is not limited to the following Examples and can be embodied in various ways, and the Examples are provided for complete disclosure of the present invention and comprehensive understanding of the present invention for those skilled in the art. The scope of the invention is limited only by the claims. Like parts are denoted by like reference numerals throughout the specification.

[0031] Hereinafter, a method of manufacturing a polymer molding material using a mold capable of forming a three-dimensional surface pattern and a molding material for a home appliance having a three-dimensional surface pattern according to embodiments of the present invention will be described in detail with reference to the accompanying drawings...

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Abstract

The present invention relates to a method for manufacturing a polymer-molded material which can easily form a 3-dimensional surface shape and minimize deformation. The method for manufacturing the polymer-molded material includes: (a) a step of preparing a lower mold on which a 3-dimensional pattern, for granting a surface shape of the molded material to a surface to be formed, is formed; (b) a step of coupling a gasket on an edge of the formed surface of the lower mold; (c) a step of coupling an upper mold including a raw material injection part to the gasket of the lower mold; (d) a step of injecting a raw material of the polymer-molded material onto the formed surface of the lower mold through the raw material injection part of the upper mold; (e) a step of heat-curing the raw material and transferring the 3-dimensional pattern onto the formed surface of the lower mold; and (f) a step of additionally heat-curing the raw material, which does not react in the step (e), through thermal treatment.

Description

technical field [0001] The present invention relates to a technique for producing a polymer molding material used as an exterior material of home appliances or furniture, and in particular, to a method for producing a polymer molding using a mold that is easy to form a three-dimensional surface pattern even when the three-dimensional pattern is relatively thick Methods of materials, and molding materials for home appliances with three-dimensional surface patterns. Background technique [0002] Polymer molding materials are often used as exterior materials for home appliances or furniture. [0003] Currently, various designs applied to exterior materials of home appliances or furniture generally have a planar shape. [0004] Recently, various attempts have been made to achieve a three-dimensional surface shape instead of such a planar shape. [0005] The three-dimensional surface pattern may be formed by extrusion molding or injection molding for manufacturing polymer moldi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/42B29C35/02B29C35/04
CPCB29C33/424B29C45/372B29C37/0053B29C2035/0827B29C2035/0877B29C2035/1616Y10T428/24736B29C33/42B29C35/02B29C35/04B29C45/0053
Inventor 梁仁硕李钟哲李载恩
Owner LG HAUSYS LTD
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