DE69615246D1 - Verfahren zur Herstellung von geschlossenen Laufrädern und eine Vorrichtung dafür - Google Patents

Verfahren zur Herstellung von geschlossenen Laufrädern und eine Vorrichtung dafür

Info

Publication number
DE69615246D1
DE69615246D1 DE69615246T DE69615246T DE69615246D1 DE 69615246 D1 DE69615246 D1 DE 69615246D1 DE 69615246 T DE69615246 T DE 69615246T DE 69615246 T DE69615246 T DE 69615246T DE 69615246 D1 DE69615246 D1 DE 69615246D1
Authority
DE
Germany
Prior art keywords
cores
piece
impellers
manufacturing
closed impellers
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 - Lifetime
Application number
DE69615246T
Other languages
English (en)
Inventor
Paolo Cattini
Federico Sanfelici
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CATTINI Srl
Original Assignee
CATTINI Srl
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
Priority claimed from IT95RE000017 external-priority patent/IT1279921B1/it
Priority claimed from IT95RE000065 external-priority patent/IT1280104B1/it
Application filed by CATTINI Srl filed Critical CATTINI Srl
Application granted granted Critical
Publication of DE69615246D1 publication Critical patent/DE69615246D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2602Mould construction elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/44Removing or ejecting moulded articles for undercut articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Glass Compositions (AREA)
  • Paper (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE69615246T 1995-03-31 1996-03-26 Verfahren zur Herstellung von geschlossenen Laufrädern und eine Vorrichtung dafür Expired - Lifetime DE69615246D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT95RE000017 IT1279921B1 (it) 1995-03-31 1995-03-31 Procedimento per la fabbricazione di giranti chiuse e attrezzatura per attuare il procedimento.
IT95RE000065 IT1280104B1 (it) 1995-10-25 1995-10-25 Procedimento per fabbricare giranti chiuse e attrezzatura per attuare il procedimento suddetto

Publications (1)

Publication Number Publication Date
DE69615246D1 true DE69615246D1 (de) 2001-10-25

Family

ID=26331973

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69615246T Expired - Lifetime DE69615246D1 (de) 1995-03-31 1996-03-26 Verfahren zur Herstellung von geschlossenen Laufrädern und eine Vorrichtung dafür

Country Status (3)

Country Link
EP (1) EP0734834B1 (de)
AT (1) ATE205773T1 (de)
DE (1) DE69615246D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100460587B1 (ko) * 2002-04-19 2004-12-09 삼성전자주식회사 터보팬 및 그 제조용 금형
ATE516132T1 (de) 2008-12-24 2011-07-15 Grundfos Management As VERFAHREN ZUM SPRITZGIEßEN EINES PUMPENLAUFRADES
CN107351328B (zh) * 2017-08-07 2023-05-12 宁波建林模具有限公司 汽车后背门下饰板用模具
CN109774067A (zh) * 2019-01-04 2019-05-21 四川翰晶模具有限公司 一种节能离心叶轮的注塑模具
RU2770774C1 (ru) 2019-09-25 2022-04-21 Ассома Инк. Способ изготовления трехмерного пластикового рабочего колеса центробежного насоса и рабочее колесо
CN114801075B (zh) * 2022-05-09 2023-07-14 西南科技大学 微型增压涡轮注塑模具

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1806757A1 (de) * 1968-11-02 1970-05-21 Suval S A S Die Manlio E Rag A Verfahren zur Herstellung von einstueckigen Pumpenfluegelraedern aus thermoplastischem Werkstoff,Form zur Durchfuehrung des Verfahrens und nach diesem Verfahren hergestellte Pumpenfluegelraeder
US4706928A (en) * 1985-06-10 1987-11-17 Baker International Corporation Vane cone assembly for use in making centrifugal elastomeric coated impellers
DE3912031A1 (de) * 1989-04-12 1990-10-25 Thyssen Polymer Gmbh Spritzgusswerkzeug
JPH0716884A (ja) * 1993-06-30 1995-01-20 Toshiba Chem Corp 樹脂製ファン及びその一体成形方法並びにその成形用金型

Also Published As

Publication number Publication date
EP0734834B1 (de) 2001-09-19
ATE205773T1 (de) 2001-10-15
EP0734834A1 (de) 1996-10-02

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Legal Events

Date Code Title Description
8332 No legal effect for de