KR920014588A - Manufacturing method of joint pipe for PVC pipe having triple wall - Google Patents

Manufacturing method of joint pipe for PVC pipe having triple wall Download PDF

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Publication number
KR920014588A
KR920014588A KR1019910001277A KR910001277A KR920014588A KR 920014588 A KR920014588 A KR 920014588A KR 1019910001277 A KR1019910001277 A KR 1019910001277A KR 910001277 A KR910001277 A KR 910001277A KR 920014588 A KR920014588 A KR 920014588A
Authority
KR
South Korea
Prior art keywords
pipe
manufacturing
pvc
triple wall
joint pipe
Prior art date
Application number
KR1019910001277A
Other languages
Korean (ko)
Inventor
이남승
Original Assignee
이남승
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이남승 filed Critical 이남승
Priority to KR1019910001277A priority Critical patent/KR920014588A/en
Publication of KR920014588A publication Critical patent/KR920014588A/en

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Abstract

내용 없음No content

Description

3중벽을 가지는 PVC 파이프용 이음관의 제조방법Manufacturing method of joint pipe for PVC pipe having triple wall

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

제1도는 본원 발명에 따른 제조 순서도, 제2도는 본 발명상의 일 실시예로써 엘보우의 접속상태 단면도, 제3도는 종래 엘보우의 접속상태 단면도, 제4도는 본 발명상의 일실시예로서의 소켓의 접속 상태 단면도, 제5도는 종래소켓의 접속 상태 단면도.1 is a manufacturing flow chart according to the present invention, Figure 2 is a cross-sectional view of the elbow as an embodiment of the present invention, Figure 3 is a cross-sectional view of the conventional elbow, Figure 4 is a cross-sectional view of the socket as an embodiment of the present invention 5 is a cross-sectional view of a conventional socket connection state.

Claims (1)

최초의 금형에서 PVC 발포제를 사출하여 발포코아(Core)를 성형하고 이 코아를 2차 금형에 배치하여 그 외곽으로 PVC수지를 사출하여 이음관을 성형함으로써 내벽에 PVC 발포층을 가지도록 한 것을 특징으로하는 3중벽을 가지는 PVC 파이프용 이음관의 제조방법.PVC foam is injected from the first mold to form a foam core (Core), and the core is placed in a secondary mold to inject PVC resin into the outer mold to form a joint pipe, so that the inner wall has a PVC foam layer. Method for manufacturing a joint pipe for PVC pipe having a triple wall. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910001277A 1991-01-25 1991-01-25 Manufacturing method of joint pipe for PVC pipe having triple wall KR920014588A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910001277A KR920014588A (en) 1991-01-25 1991-01-25 Manufacturing method of joint pipe for PVC pipe having triple wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910001277A KR920014588A (en) 1991-01-25 1991-01-25 Manufacturing method of joint pipe for PVC pipe having triple wall

Publications (1)

Publication Number Publication Date
KR920014588A true KR920014588A (en) 1992-08-25

Family

ID=67396580

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910001277A KR920014588A (en) 1991-01-25 1991-01-25 Manufacturing method of joint pipe for PVC pipe having triple wall

Country Status (1)

Country Link
KR (1) KR920014588A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100438381B1 (en) * 2001-06-25 2004-07-02 골든리버 주식회사 The manufacturing method of joint of pipe with a layer for the prevention of noise

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100438381B1 (en) * 2001-06-25 2004-07-02 골든리버 주식회사 The manufacturing method of joint of pipe with a layer for the prevention of noise

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