ATE205773T1 - 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
ATE205773T1
ATE205773T1 AT96830153T AT96830153T ATE205773T1 AT E205773 T1 ATE205773 T1 AT E205773T1 AT 96830153 T AT96830153 T AT 96830153T AT 96830153 T AT96830153 T AT 96830153T AT E205773 T1 ATE205773 T1 AT E205773T1
Authority
AT
Austria
Prior art keywords
cores
piece
manufacturing
impellers
device therefor
Prior art date
Application number
AT96830153T
Other languages
English (en)
Inventor
Paolo Cattini
Federico Sanfelici
Original Assignee
Cattini S R L
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 S R L filed Critical Cattini S R L
Application granted granted Critical
Publication of ATE205773T1 publication Critical patent/ATE205773T1/de

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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • 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
    • B29C45/2602—Mould construction elements
    • 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

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)
AT96830153T 1995-03-31 1996-03-26 Verfahren zur herstellung von geschlossenen laufrädern und eine vorrichtung dafür ATE205773T1 (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
ATE205773T1 true ATE205773T1 (de) 2001-10-15

Family

ID=26331973

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96830153T ATE205773T1 (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 (7)

* 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
EP4036417B1 (de) 2019-09-25 2026-04-08 Assoma Inc. Verfahren zur herstellung eines dreidimensionalen kunststofflaufrades für eine zentrifugalpumpe und das laufrad
CN113829588B (zh) * 2020-06-24 2025-04-08 宁波奥克斯电气有限公司 一种抽芯机构及注塑模具
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
DE69615246D1 (de) 2001-10-25
EP0734834A1 (de) 1996-10-02

Similar Documents

Publication Publication Date Title
ATE296698T1 (de) Verfahren und vorrichtung zur herstellung von gegossenen schaumkörpern
US4424183A (en) Destructible core structure and method for using same
DE59001682D1 (de) Verfahren zur herstellung eines anorganischen sinterformteiles.
ATE205773T1 (de) Verfahren zur herstellung von geschlossenen laufrädern und eine vorrichtung dafür
DE69027604D1 (de) Verfahren und vorrichtung zur herstellung eines zusammengebauten gegenstandes
ATE191664T1 (de) Giessform für automatisch arbeitende formanlagen sowie verfahren zur herstellung der giessformen
ATE316569T1 (de) Verfahren zur herstellung von seife mit lufteinschluessen
ES8105596A1 (es) Un metodo para formar una pieza de colada a presion.
DE69215699D1 (de) Giessform zur Herstellung eines optischen Moduls und Herstellungsverfahren zur Benutzung der Form
BR9804460A (pt) Planta para produzir artigos fundidos moldados sob pressão ou por injeção usando n·cleos de sal
FI842148A7 (fi) Saett vid tillverkning av formkroppar av fiberarmerad plast samt anordning foer anvaendning vid saodan tillverkning.
ATE146708T1 (de) Vertikal geteilte form mit speiser
DE59010173D1 (de) Verfahren zur Herstellung von Giessereikernen und -formen
DE69103826D1 (de) Verfahren und Vorrichtung zur Durchführung flüssigen Metalls in eine Sandgiessform mittels Niederdruck.
FI913010A0 (fi) Menetelmä, muotti ja laitteisto metallin pienpainevalua varten
BR9612641A (pt) Composição de um sistema de gito com reservatorio de alimentação para alimentar fundiç es e um método de produzir o referido sistema
ES2016225B3 (es) Procedimiento y dispositivo de moldeado de carcasas de cofres o armarios y carcasa asi obtenida.
KR970061399A (ko) 주조용 주사금형의 조형방법
US3562900A (en) Method of making a jewelry mold
ATE115880T1 (de) Porzellan-ähnlicher puppenkopf sowie verfahren und vorrichtung zu dessen herstellung.
KR960033610A (ko) 개선된 수지코아 제거단계를 갖는 주조방법
JPS5626657A (en) Casting method
KR970014972A (ko) 에폭시 수지를 이용한 사출금형 제조방법
US3515366A (en) Lost wax jewelry mold
FR2311644A1 (fr) Procede de moulage en creux dans une resine thermodurcissante transparente et produit moule obtenu

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties