KR930023138A

KR930023138A - Forming method of automotive ceiling board combined with resin felt and corrugated cardboard

Info

Publication number: KR930023138A
Application number: KR1019920008351A
Authority: KR
Inventors: 윤주원
Original assignee: 윤주원; 덕양산업 주식회사
Filing date: 1992-05-15
Publication date: 1993-12-18

Abstract

본 발명은 레진펠트와 골판지로 결합된 자동차등의 내장용 경량 천정판재의 성형방법에 관한 것이다.The present invention relates to a method for forming a lightweight ceiling board material for interior use such as automobiles combined with resin felt and corrugated cardboard.

종래에도 여러가지 종류의 자동차용 천정판재의 제조 방법이 공지된 바 있으나 이가운데 있어 판재의 경량화를 위하여 제안된 바 있는 특허 공고82-331호는 골판지를 구성하고 있는 양쪽의 라이너지와 중심지(심판)를 열가소성수지등의 접착제로 접착시키되 이의 한쪽 라이너지와 중심지(심판)을 임시 고정시키는 방법을 택하므로써 이의 박리 강도를 약하게 함을 특징으로 하고 있으나 이는 제품의 표면에 주름 발생과 굴곡 강도의 부족에 따른 꺾임 현상이 생기고 이를 장기 사용하면 수분이 흡수되어 처짐 현상이 생겼던 것이다.Conventionally, there have been known methods for manufacturing various types of ceiling boards for automobiles, but in the meantime, Patent Publication Nos. 82-331, which have been proposed to reduce the weight of plates, are both liner papers and centers (referred pieces) of corrugated boards. It is characterized by weakening the peel strength of the product by adhering it with adhesive such as thermoplastic resin and temporarily fixing one liner paper and the center paper (core). The bending occurs, and when used for a long time, the moisture is absorbed and sag occurs.

본 발명은 이상의 문제점을 해결함에 있어 종래와는 달리 골판지의 단독 사용을 지양하고 골판지와 레진펠트를 일체로 되게 상하성형금형(2)(3)내에 넣어 150-200C의 가열과 50-80KG/GM²범위 압력하에서 가열 가압시키는 공정과 압착된 성형판위에 표피제(8)를 재치하여 표피제(8)의 필림접착제가 열을 흡수 용해되게한 후 이를 냉각 파이프가 개설된 압착 성형금형(2′)(3′)내에넣어 가압 성형 제품화 함으로써 제품의 내구성, 내습성, 경량성, 내굴곡성 및 경제성을 배중시킨 것이다.In the present invention, in order to solve the above problems, avoiding the use of corrugated cardboard alone and putting the cardboard and resin felt into the upper and lower molding molds (2) and (3) integrally with 150-200C heating and 50-80KG / GM ²⁾ Pressurizing the mold (2 ') in which the film adhesive (8) of the skin (8) absorbs heat and dissolves heat after disposing the skin adhesive (8) on the press-molded sheet under the pressure of ² range. The product is placed in the 3 ') to be pressure-molded and the product is doubled in durability, moisture resistance, light weight, flex resistance and economical efficiency.

Description

Forming method of automotive ceiling board combined with resin felt and corrugated cardboard

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도는 본 발명에서 얻어진 제품의 구성 단면도, 제 2 도는 본 발명의 성형 방법 공정 표시도.BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a cross sectional view of a product obtained in the present invention, and Fig. 2 is a process drawing of a molding method of the present invention.

Claims

The upper and lower molds (2) (3) are placed with a heat-soluble resin film adhesive (6) on a corrugated cardboard (4) with liner on both sides or a corrugated cardboard (4 ') with only one liner on one side and a resin felt (5) placed thereon. ), And the step of heating and pressurizing with heat in the range of 150-200 ° C. and pressure in the range of 30-80KG / GM ^2, and the normal skin material having the hot melt film adhesive (7) attached on the press-formed molding plate (8). The upper and lower press molds with the cooling pipe opened for the hot-melt film adhesive (7) heat-absorbing plate to wait for about 10-30 seconds so that the hot melt film adhesive (7) attached to the skin material (8) absorbs heat. 2 ') (3') is a molding method of a vehicle ceiling plate material combined with a resin felt and a corrugated cardboard formed by the process of pressing.

※ Note: The disclosure is based on the initial application.