WO2014046063A8 - 曲管構造及び曲管成形用金型 - Google Patents

曲管構造及び曲管成形用金型 Download PDF

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Publication number
WO2014046063A8
WO2014046063A8 PCT/JP2013/074933 JP2013074933W WO2014046063A8 WO 2014046063 A8 WO2014046063 A8 WO 2014046063A8 JP 2013074933 W JP2013074933 W JP 2013074933W WO 2014046063 A8 WO2014046063 A8 WO 2014046063A8
Authority
WO
WIPO (PCT)
Prior art keywords
curved tube
die
forming
tube
curved
Prior art date
Application number
PCT/JP2013/074933
Other languages
English (en)
French (fr)
Other versions
WO2014046063A1 (ja
Inventor
洋平 相馬
中谷　浩之
義夫 友野
忠広 北村
義行 後藤
Original Assignee
株式会社ニフコ
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 株式会社ニフコ filed Critical 株式会社ニフコ
Priority to MX2015003482A priority Critical patent/MX368581B/es
Priority to US14/428,464 priority patent/US10253913B2/en
Priority to CN201380047758.4A priority patent/CN104620037B/zh
Priority to EP13838262.7A priority patent/EP2899445B1/en
Priority to JP2014536843A priority patent/JP5969617B2/ja
Publication of WO2014046063A1 publication Critical patent/WO2014046063A1/ja
Publication of WO2014046063A8 publication Critical patent/WO2014046063A8/ja

Links

Classifications

    • 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
    • F16L43/00—Bends; Siphons
    • 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
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
    • 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
    • F16L43/00—Bends; Siphons
    • F16L43/008—Bends; Siphons made from plastic material
    • 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
    • B29C45/26—Moulds
    • B29C45/261—Moulds having tubular mould cavities
    • B29C45/2614—Moulds having tubular mould cavities for manufacturing bent tubular articles using an undercut forming mould core
    • 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4421—Removing or ejecting moulded articles for undercut articles using expansible or collapsible cores
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/04—Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
    • 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
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/24—Pipe joints or couplings
    • 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
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • F16L41/021—T- or cross-pieces
    • 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
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • F16L41/023—Y- pieces
    • 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
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • F16L41/03—Branch units, e.g. made in one piece, welded, riveted comprising junction pieces for four or more pipe members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Abstract

　曲管（１０）の管本体（１２）は、流路が軸線（１２Ａ）に沿っており、軸線（１２Ａ）に沿った方向の一部に屈曲部（１４）を有している。また、管本体（１２）における屈曲部（１４）の屈曲方向内側内周（１４Ａ）には、軸線（１２Ａ）の方向に沿って断面積拡大部としての凹部（１６）が形成されている。なお、曲管成形用金型の内金型においては、主コアの溝部に凹部（１６）を形成するヒンジコアが挿入されており、主コアが退避位置方向へ移動することで、屈曲部（１４）の屈曲方向内側内周（１４Ａ）に係合する形状のヒンジコアの先端部が主コアの成形位置へ揺動するようになっている。
PCT/JP2013/074933 2012-09-18 2013-09-13 曲管構造及び曲管成形用金型 WO2014046063A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
MX2015003482A MX368581B (es) 2012-09-18 2013-09-13 Estructura tubular curvada y troquel para formar el tubo curvado.
US14/428,464 US10253913B2 (en) 2012-09-18 2013-09-13 Curved tube structure and die for forming curved tube
CN201380047758.4A CN104620037B (zh) 2012-09-18 2013-09-13 曲管构造以及曲管成形用金属模具
EP13838262.7A EP2899445B1 (en) 2012-09-18 2013-09-13 Curved tube structure and die for forming curved tube
JP2014536843A JP5969617B2 (ja) 2012-09-18 2013-09-13 曲管構造及び曲管成形用金型

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-204534 2012-09-18
JP2012204534 2012-09-18

Publications (2)

Publication Number Publication Date
WO2014046063A1 WO2014046063A1 (ja) 2014-03-27
WO2014046063A8 true WO2014046063A8 (ja) 2015-03-12

Family

ID=50341375

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/074933 WO2014046063A1 (ja) 2012-09-18 2013-09-13 曲管構造及び曲管成形用金型

Country Status (7)

Country Link
US (1) US10253913B2 (ja)
EP (1) EP2899445B1 (ja)
JP (2) JP5969617B2 (ja)
KR (3) KR20140036965A (ja)
CN (2) CN104620037B (ja)
MX (1) MX368581B (ja)
WO (1) WO2014046063A1 (ja)

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CN106217770B (zh) * 2016-07-19 2018-06-29 江苏河马井股份有限公司 管接头的注塑模具
KR102238037B1 (ko) * 2017-03-14 2021-04-09 현대자동차주식회사 가변부를 갖는 맨드릴 및 이를 이용한 복합재 차체부품 제조방법
JP6746786B2 (ja) * 2017-06-13 2020-08-26 株式会社東芝 鉄道車両
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CN107626928B (zh) * 2017-09-19 2020-06-16 西迪技术股份有限公司 一种弯管的模具及成型方法
JP6939374B2 (ja) * 2017-10-06 2021-09-22 株式会社オンダ製作所 継手の製造装置
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JP7303991B2 (ja) * 2018-05-28 2023-07-06 株式会社オンダ製作所 樹脂製継手
JP7307875B2 (ja) * 2018-10-02 2023-07-13 株式会社オンダ製作所 樹脂製チーズ継手
JP7136665B2 (ja) * 2018-11-13 2022-09-13 積水化学工業株式会社 金型装置および流路部材の製造方法
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Also Published As

Publication number Publication date
US20150226360A1 (en) 2015-08-13
EP2899445A1 (en) 2015-07-29
KR20150044025A (ko) 2015-04-23
CN106382430A (zh) 2017-02-08
MX368581B (es) 2019-10-08
MX2015003482A (es) 2015-06-22
CN104620037B (zh) 2017-06-06
EP2899445A4 (en) 2016-05-11
JP2016194370A (ja) 2016-11-17
CN104620037A (zh) 2015-05-13
US10253913B2 (en) 2019-04-09
WO2014046063A1 (ja) 2014-03-27
KR20160023757A (ko) 2016-03-03
EP2899445B1 (en) 2022-02-23
JPWO2014046063A1 (ja) 2016-08-18
KR20140036965A (ko) 2014-03-26
JP5969617B2 (ja) 2016-08-17
JP6388620B2 (ja) 2018-09-12
CN106382430B (zh) 2019-12-31
KR101713477B1 (ko) 2017-03-07

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