EP0370966A3 - Vorrichtung zur Verdichtung vom Formsand in Formkästen mit Druckluftimpulsen - Google Patents

Vorrichtung zur Verdichtung vom Formsand in Formkästen mit Druckluftimpulsen Download PDF

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Publication number
EP0370966A3
EP0370966A3 EP19890830486 EP89830486A EP0370966A3 EP 0370966 A3 EP0370966 A3 EP 0370966A3 EP 19890830486 EP19890830486 EP 19890830486 EP 89830486 A EP89830486 A EP 89830486A EP 0370966 A3 EP0370966 A3 EP 0370966A3
Authority
EP
European Patent Office
Prior art keywords
compressed
flask
molding
air pulses
moulding sand
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.)
Granted
Application number
EP19890830486
Other languages
English (en)
French (fr)
Other versions
EP0370966A2 (de
EP0370966B1 (de
EP0370966B2 (de
Inventor
Gian Luigi Cobelli
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.)
STERN GIESSEREI-ANLAGE GmbH
Original Assignee
STERN GIESSEREI-ANLAGE GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11119816&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0370966(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by STERN GIESSEREI-ANLAGE GmbH filed Critical STERN GIESSEREI-ANLAGE GmbH
Priority to AT89830486T priority Critical patent/ATE94789T1/de
Publication of EP0370966A2 publication Critical patent/EP0370966A2/de
Publication of EP0370966A3 publication Critical patent/EP0370966A3/de
Publication of EP0370966B1 publication Critical patent/EP0370966B1/de
Application granted granted Critical
Publication of EP0370966B2 publication Critical patent/EP0370966B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
    • B22C15/28—Compacting by different means acting simultaneously or successively, e.g. preliminary blowing and finally pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor

Abstract

ES HANDELT SICH UM EINE VORRICHTUNG ZUR ERZEUGUNG VON DRUCK­ LUFTIMPULSEN FÜR DIE VERDICHTUNG VON VORMSAND IN FORMKÄSTEN (13). DIE VORRICHTUNG UMFAßT EINE RINGFÖRMIGE KAMMER (20), MIT DRUCKLUFT VERSORGT,DIE ÜBER EINE REIHE VON VENTILEN (22) UND IN MEHREREN RICHTUNGEN SCHWENKBAREN EINLASSDÜSEN (23) MIT DEM FORMRAUM VERBUNDEN IST,DER DURCH DEN DOSIERRAHMEN (15) UND EINEM PRESSHAUPT (16) OBERHALB DES IN DEM KASTEN BEFINDLICHEN SANDES BEGRENZT WIRD. DIE VORRICHTUNG KANN SOWOHL AN HERKÖMMLICHEN GIEßEREI-FORMMASCHINEN WIE AUCH UNMITTELBAR AN FORMKÄSTEN IN HÖHE DES DOSIERRAHMENS ANGEBRACHT WERDEN.
EP89830486A 1988-11-21 1989-11-07 Vorrichtung zur Verdichtung vom Formsand in Formkästen mit Druckluftimpulsen Expired - Lifetime EP0370966B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89830486T ATE94789T1 (de) 1988-11-21 1989-11-07 Vorrichtung zur verdichtung vom formsand in formkaesten mit druckluftimpulsen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8805239A IT1225165B (it) 1988-11-21 1988-11-21 Apparecchiatura per la compressione della terra di formatura nelle staffe di fonderia mediante impulsi di aria compressa.
IT523988 1988-11-21

Publications (4)

Publication Number Publication Date
EP0370966A2 EP0370966A2 (de) 1990-05-30
EP0370966A3 true EP0370966A3 (de) 1991-01-23
EP0370966B1 EP0370966B1 (de) 1993-09-22
EP0370966B2 EP0370966B2 (de) 1996-06-26

Family

ID=11119816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89830486A Expired - Lifetime EP0370966B2 (de) 1988-11-21 1989-11-07 Vorrichtung zur Verdichtung vom Formsand in Formkästen mit Druckluftimpulsen

Country Status (6)

Country Link
EP (1) EP0370966B2 (de)
JP (1) JPH02224847A (de)
AT (1) ATE94789T1 (de)
DE (1) DE58905682D1 (de)
ES (1) ES2045554T3 (de)
IT (1) IT1225165B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4114362A1 (de) * 1991-05-02 1992-11-05 Wagner Heinrich Sinto Masch Verfahren zum herstellen einer sandform
ES2048635B1 (es) * 1991-10-30 1996-07-01 Erana Agustin Arana Cabezal para maquinas de moldeo de cajas de arena por impacto de aire.
EP0849017B1 (de) * 1996-12-17 2001-10-04 Loramendi, S.A. Luftdruckimpuls-Formmaschinen
JP4560799B2 (ja) * 2006-08-07 2010-10-13 マツダ株式会社 鋳型造型方法及びその装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443891A1 (fr) * 1978-12-15 1980-07-11 Fischer Ag Georg Procede de tassement de materiaux granulaires
EP0036434A1 (de) * 1980-03-25 1981-09-30 Eugen Dipl.-Ing. Bühler Verfahren und Vorrichtung zum Verdichten von Giessformen
DE8606530U1 (de) * 1986-03-10 1986-04-24 Buderus Ag, 6330 Wetzlar Vorrichtung zum Herstellen von Gießformen
EP0197388A2 (de) * 1985-03-28 1986-10-15 Georg Fischer Aktiengesellschaft Verfahren und Vorrichtung zum Verdichten von Giessereiformstoffen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1031635A1 (ru) * 1982-01-04 1983-07-30 Краматорский Научно-Исследовательский И Проектно-Конструкторский Технологический Институт По Адъюстажному И Прецизионному Прокатному Оборудованию Формовочна машина
SU1061912A1 (ru) * 1982-08-05 1983-12-23 Краматорский Научно-Исследовательский И Проектно-Технологический Институт Машиностроения Формовочна машина

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443891A1 (fr) * 1978-12-15 1980-07-11 Fischer Ag Georg Procede de tassement de materiaux granulaires
EP0036434A1 (de) * 1980-03-25 1981-09-30 Eugen Dipl.-Ing. Bühler Verfahren und Vorrichtung zum Verdichten von Giessformen
EP0197388A2 (de) * 1985-03-28 1986-10-15 Georg Fischer Aktiengesellschaft Verfahren und Vorrichtung zum Verdichten von Giessereiformstoffen
DE8606530U1 (de) * 1986-03-10 1986-04-24 Buderus Ag, 6330 Wetzlar Vorrichtung zum Herstellen von Gießformen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
SOVIET INVENTIONS ILLUSTRATED, Woche 8418, 13. Juni 1984, Sektion Ch, Klasse M, Nr. 84-112344/18, Derwent Publications Ltd, London, GB; & SU-A-1031 635 (KRAMA ROLLING EQUIP.) 30-07-1983 *
SOVIET INVENTIONS ILLUSTRATED, Woche 8432, 19. September 1984, Sektion Ch, Klasse M, Nr. 84-200782/32, Derwent Publications Ltd, London, GB; & SU-A-1061 912 (KRAMA MECH ENG RES INST) 23-12-1983 *

Also Published As

Publication number Publication date
IT8805239A0 (it) 1988-11-21
IT1225165B (it) 1990-11-02
EP0370966A2 (de) 1990-05-30
EP0370966B1 (de) 1993-09-22
JPH02224847A (ja) 1990-09-06
EP0370966B2 (de) 1996-06-26
DE58905682D1 (de) 1993-10-28
ATE94789T1 (de) 1993-10-15
ES2045554T3 (es) 1994-01-16

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