KR100438381B1 - 소음감소용 이중층을 구비한 파이프 이음관의 제조방법 - Google Patents
소음감소용 이중층을 구비한 파이프 이음관의 제조방법 Download PDFInfo
- Publication number
- KR100438381B1 KR100438381B1 KR10-2001-0036372A KR20010036372A KR100438381B1 KR 100438381 B1 KR100438381 B1 KR 100438381B1 KR 20010036372 A KR20010036372 A KR 20010036372A KR 100438381 B1 KR100438381 B1 KR 100438381B1
- Authority
- KR
- South Korea
- Prior art keywords
- injection
- mold
- product
- pipe
- resin
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14598—Coating tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
- B29B11/08—Injection moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7331—Heat transfer elements, e.g. heat pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
- B29D23/003—Pipe joints, e.g. straight joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/004—Bent tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
온도 | 노즐 | H1 | H2 | H3 | H4 | H5 | H6 |
(℃) | 240 | 240 | 234 | 230 | 230 | ||
시간 | 사출 | 냉각 | 휴지 | 보압 | |||
(sec) | 18.4 | 35 | 1 | 2.5 | |||
압력 | P1 | P2 | P3 | P4 | P5 | 보압 | 보압 |
(kg/㎠) | 75 | 75 | 60 | 75 | 85 | 40 | 40 |
속도 | V1 | V2 | V3 | V4 | V5 | 절환 | 절환 |
(m/min) | 7 | 7 | 18 | 20 | 22 | 40 | 30 |
Claims (3)
- 삭제
- 삭제
- 폴리올레핀 계열의 수지 혹은 경질 염화비닐수지와 광물질집합체 및 첨가제를 혼합하여 컴파운드를 가공한 다음, 사출 성형품의 외부 각 모서리 부분에는 리브(Rib)가, 양 끝단에는 원형 테두리가 각각 형성되도록 사출성형하고 일정 냉각시간을 거치도록 하는 1차 금형에 의한 성형 단계와;1차 사출한 제품보다 치수를 크게 하여 제작된 2차 사출 금형에 1차 사출된 제품을 파팅 라인(parting line)이 금형의 단면과 일치하도록 삽입하되, 1차 사출제품을 고정시키기 위하여 제품의 원형 테두리 부위가 삽입되도록 금형에 홈을 만들어 제품의 고정을 유도하는 단계와;금형의 온도는 50~80℃로 하고 실린더의 온도는 180~230℃로 유지하여 소음감소기능을 가진 광물질 집합체가 첨가된 염화비닐수지 혹은 일래스토머 수지를 혼합하여 컴파운딩(compounding)한 원료를 덧씌우는 2차 사출 단계와;냉각 및 취출 단계;를 포함하는 것을 특징으로 하는 소음감소용 이중층을 구비한 파이프 이음관의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0036372A KR100438381B1 (ko) | 2001-06-25 | 2001-06-25 | 소음감소용 이중층을 구비한 파이프 이음관의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0036372A KR100438381B1 (ko) | 2001-06-25 | 2001-06-25 | 소음감소용 이중층을 구비한 파이프 이음관의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030001595A KR20030001595A (ko) | 2003-01-08 |
KR100438381B1 true KR100438381B1 (ko) | 2004-07-02 |
Family
ID=27711018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0036372A Expired - Fee Related KR100438381B1 (ko) | 2001-06-25 | 2001-06-25 | 소음감소용 이중층을 구비한 파이프 이음관의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100438381B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101444743B1 (ko) * | 2014-02-13 | 2014-09-29 | 주식회사 삼진프라코 | 티(t)형 이음관 성형용 금형장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR920014588A (ko) * | 1991-01-25 | 1992-08-25 | 이남승 | 3중벽을 가지는 pvc 파이프용 이음관의 제조방법 |
WO1998004861A1 (de) * | 1996-07-29 | 1998-02-05 | Poloplast Kunststoffwerk Gmbh & Co. Kg | Mehrschichtiges rohr |
KR20000059346A (ko) * | 1999-03-03 | 2000-10-05 | 전주범 | 펌프 하우징의 사출 방법 및 그에 사용되는 장치 |
KR200204555Y1 (ko) * | 2000-06-20 | 2000-12-01 | 골든리버주식회사 | 소음흡수기능을 지닌 환경친화적 배관자재 |
JP2001088172A (ja) * | 1999-09-27 | 2001-04-03 | Sekisui Chem Co Ltd | 二重配管システム用管継手の成形用金型及び二重配管システム用管継手の成形方法 |
-
2001
- 2001-06-25 KR KR10-2001-0036372A patent/KR100438381B1/ko not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR920014588A (ko) * | 1991-01-25 | 1992-08-25 | 이남승 | 3중벽을 가지는 pvc 파이프용 이음관의 제조방법 |
WO1998004861A1 (de) * | 1996-07-29 | 1998-02-05 | Poloplast Kunststoffwerk Gmbh & Co. Kg | Mehrschichtiges rohr |
KR20000059346A (ko) * | 1999-03-03 | 2000-10-05 | 전주범 | 펌프 하우징의 사출 방법 및 그에 사용되는 장치 |
JP2001088172A (ja) * | 1999-09-27 | 2001-04-03 | Sekisui Chem Co Ltd | 二重配管システム用管継手の成形用金型及び二重配管システム用管継手の成形方法 |
KR200204555Y1 (ko) * | 2000-06-20 | 2000-12-01 | 골든리버주식회사 | 소음흡수기능을 지닌 환경친화적 배관자재 |
Also Published As
Publication number | Publication date |
---|---|
KR20030001595A (ko) | 2003-01-08 |
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