WO2021045360A1 - 내ㆍ외관 일체형 보호관의 성형장치 및 그 보호관 - Google Patents
내ㆍ외관 일체형 보호관의 성형장치 및 그 보호관 Download PDFInfo
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- WO2021045360A1 WO2021045360A1 PCT/KR2020/007689 KR2020007689W WO2021045360A1 WO 2021045360 A1 WO2021045360 A1 WO 2021045360A1 KR 2020007689 W KR2020007689 W KR 2020007689W WO 2021045360 A1 WO2021045360 A1 WO 2021045360A1
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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- 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
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
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- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/916—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means using vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
- F16L9/06—Corrugated pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
- B29C48/0015—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
- B29C48/0016—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die using a plurality of extrusion dies
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
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- 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
- B29L2023/18—Pleated or corrugated hoses
- B29L2023/186—Pleated or corrugated hoses having a smooth internal wall
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- 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
- B29L2023/22—Tubes or pipes, i.e. rigid
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0468—Corrugated
Abstract
Description
Claims (6)
- 내관 성형용 수지로 반용융 상태의 내관이 형성되도록 하는 내관 다이스와, 반용융 상태인 상기 내관의 외주면에 외관 성형용 수지로 반용융의 비정형화 상태인 외관이 형성되도록 하는 외관 다이스와, 반용융 상태인 상기 내관과 상기 반용융의 비정형화 상태인 외관이 통과하면서 상기 내관의 외주면으로 상기 외관의 정형화가 이루어지도록 하는 외관 사이징기를 포함하여 이루어진 내ㆍ외관 일체형 보호관의 성형장치에 있어서,상기 내관 다이스의 다음 위치에는 반용융 상태인 상기 내관이 도입되는 초입부로부터 일정 길이까지 외경이 감소하면서 마지막에는 성형하고자 하는 내관의 내경만큼의 외경을 갖게 되는 원통형으로 이루어져 상기 내관의 내경을 정밀화하는 내관 사이징기가 구비되고, 상기 내관 다이스의 내부와 상기 내관 사이징기의 내부에는 외부로부터 공급된 냉각수가 유동되는 냉각수 유로가 형성되며,상기 내관 다이스로부터 상기 외관 사이징기의 내부까지 길게 가이드 지지봉이 설치되고, 상기 외관 사이징기에는 상기 정형화가 이루어지는 외관의 내부에 위치하는 상태로 상기 가이드 지지봉에 의해 지지되는 내관 가이드가 설치되어, 상기 반용융 상태인 내관이 상기 정형화가 이루어지는 외관과 상기 내관 가이드 사이를 통과하면서 가압되어 상기 정형화가 이루어지는 외관과 견고하게 일체화되며,상기 외관 사이징기의 내부에는 상기 내관과 상기 외관이 일체화된 보호관을 냉각하는 냉각부가 구비된 것을 특징으로 하는 내ㆍ외관 일체형 보호관의 성형장치.
- 제1항에 있어서,상기 외관 사이징기에서 상기 반용융의 비정형화 상태인 외관이 통과하면서 상기 내관의 외주면으로 상기 외관의 정형화가 이루어지기 시작하는 금형의 도입부는, 상기 정형화가 이루어질 외관의 산과 골에 대응하는 산과 골의 중간 깊이 위치에서 상기 반용융의 비정형화 상태인 외관이 가상의 수평선을 기준으로 20°의 경사각으로 유입되도록 경사지게 형성되고,유입된 상기 반용융의 비정형화 상태인 외관의 절반은 상기 도입부의 외면쪽으로 유동됨과 아울러 상기 반용융의 비정형화 상태인 외관의 나머지 절반은 상기 도입부의 내면쪽으로 유동되는 것을 특징으로 하는 내ㆍ외관 일체형 보호관의 성형장치.
- 제1항에 있어서,상기 내관의 내주면이 평탄면으로 형성이 되도록, 상기 내관 가이드의 외주면은 평탄면으로 이루어진 것을 특징으로 하는 내ㆍ외관 일체형 보호관의 성형장치.
- 제1항에 있어서,상기 내관의 내주면에 상기 내관의 길이 방향을 따라 길게 형성되는 V자 홈이 상기 내관의 내주면 둘레를 따라 일정 간격으로 복수 개 구비되도록, 상기 내관 가이드의 외주면에는 상기 내관의 진행 방향을 따라 길게 형성된 V자 홈 성형부가 상기 내관 가이드의 외주면 둘레를 따라 일정 간격으로 복수 개 구비된 것을 특징으로 하는 내ㆍ외관 일체형 보호관의 성형장치.
- 제1항 내지 제4항 중 어느 한 항에 기재된 내ㆍ외관 일체형 보호관의 성형장치에 의해 성형된 보호관으로서,상기 내관은 외주면이 평활관으로 이루어지되, 상기 외관은 사다리꼴 단면 구조와 삼각형 단면 구조 및 반원형 단면 구조 중 어느 하나의 구조를 갖는 주름관으로 이루어진 것을 특징으로 하는 내ㆍ외관 일체형 보호관의 성형장치.
- 제5항에 있어서,상기 내관은 내주면에 상기 내관의 길이 방향을 따라 길게 형성되는 V자 홈이 상기 내관의 내주면 둘레를 따라 일정 간격으로 복수 개 구비된 구조로 이루어진 것을 특징으로 하는 내ㆍ외관 일체형 보호관의 성형장치.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES202190027A ES2908661B2 (es) | 2019-09-02 | 2020-06-15 | Aparato para formar un conducto de proteccion con paredes interior y exterior integradas, y el conducto formado de este modo |
AU2020341205A AU2020341205B2 (en) | 2019-09-02 | 2020-06-15 | Device for forming protective pipe having integrated inner and outer pipes, and protective pipe formed thereby |
MX2021007105A MX2021007105A (es) | 2019-09-02 | 2020-06-15 | Aparato para formar un conducto de proteccion con paredes interior y exterior integradas, y el conducto formado de este modo. |
GB2013460.7A GB2593559B (en) | 2019-09-02 | 2020-06-15 | Apparatus for forming a protecting duct with integrated inner and outer walls, and the duct formed thereby |
PE2021000883A PE20211720A1 (es) | 2019-09-02 | 2020-06-15 | Aparato para formar un conducto de proteccion con paredes interior y exterior integradas, y el conducto formado de este modo |
US17/329,149 US20210276236A1 (en) | 2019-09-02 | 2021-05-25 | Apparatus for forming a protecting duct with integrated inner and outer walls, and the duct formed thereby |
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KR1020190108066A KR102096350B1 (ko) | 2019-09-02 | 2019-09-02 | 내·외관 일체형 보호관의 성형장치 및 그 보호관 |
KR10-2019-0108066 | 2019-09-02 |
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US17/329,149 Continuation US20210276236A1 (en) | 2019-09-02 | 2021-05-25 | Apparatus for forming a protecting duct with integrated inner and outer walls, and the duct formed thereby |
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WO2021045360A1 true WO2021045360A1 (ko) | 2021-03-11 |
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US (1) | US20210276236A1 (ko) |
KR (1) | KR102096350B1 (ko) |
AU (1) | AU2020341205B2 (ko) |
ES (1) | ES2908661B2 (ko) |
GB (2) | GB2593559B (ko) |
MX (1) | MX2021007105A (ko) |
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KR102096350B1 (ko) * | 2019-09-02 | 2020-04-02 | 이경노 | 내·외관 일체형 보호관의 성형장치 및 그 보호관 |
CN114603842A (zh) * | 2022-03-11 | 2022-06-10 | 山西久易通管业科技有限公司 | 一种增强外护管剪切强度的方法和外护管内壁滚花机 |
CN117283914B (zh) * | 2023-10-08 | 2024-04-26 | 青岛宏润达橡胶制品有限公司 | 一种内胎冷却输送装置 |
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ES2908661R1 (es) | 2023-03-13 |
GB2593559A (en) | 2021-09-29 |
PE20211720A1 (es) | 2021-09-03 |
MX2021007105A (es) | 2021-09-10 |
ES2908661B2 (es) | 2023-07-14 |
GB2599280A (en) | 2022-03-30 |
US20210276236A1 (en) | 2021-09-09 |
GB202117467D0 (en) | 2022-01-19 |
GB202013460D0 (en) | 2020-10-14 |
KR102096350B1 (ko) | 2020-04-02 |
ES2908661A2 (es) | 2022-05-03 |
AU2020341205B2 (en) | 2022-06-02 |
AU2020341205A1 (en) | 2021-06-24 |
GB2593559B (en) | 2022-04-13 |
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