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FR2427862A1 - Procede ameliore de fabrication de noyaux de forme compliquee, a partir d'un melange de sable liquide autodurcissant - Google Patents

Procede ameliore de fabrication de noyaux de forme compliquee, a partir d'un melange de sable liquide autodurcissant

Info

Publication number
FR2427862A1
FR2427862A1 FR7817195A FR7817195A FR2427862A1 FR 2427862 A1 FR2427862 A1 FR 2427862A1 FR 7817195 A FR7817195 A FR 7817195A FR 7817195 A FR7817195 A FR 7817195A FR 2427862 A1 FR2427862 A1 FR 2427862A1
Authority
FR
France
Prior art keywords
prodn
mixt
core
under pressure
complex shape
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
FR7817195A
Other languages
English (en)
Other versions
FR2427862B1 (fr
Inventor
Roland Chevriot
Marcel Gonon
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.)
TECH IND FONDERIE CENTRE
Original Assignee
TECH IND FONDERIE CENTRE
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 TECH IND FONDERIE CENTRE filed Critical TECH IND FONDERIE CENTRE
Priority to FR7817195A priority Critical patent/FR2427862A1/fr
Publication of FR2427862A1 publication Critical patent/FR2427862A1/fr
Application granted granted Critical
Publication of FR2427862B1 publication Critical patent/FR2427862B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
    • B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B22C1/224—Furan polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
    • B22C15/23—Compacting by gas pressure or vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mold Materials And Core Materials (AREA)

Abstract

Procédé de fabrication de noyaux de fonderie de formes compliquées, à partir d'un mélange de sable liquide autodurcissant, qui consiste, pour faciliter le remplissage de la boîte à noyau, à exercer sur le mélange de sable malaxé, pendant quelques secondes, une pression comprise entre 0,2 et 1 bar.
FR7817195A 1978-06-08 1978-06-08 Procede ameliore de fabrication de noyaux de forme compliquee, a partir d'un melange de sable liquide autodurcissant Granted FR2427862A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7817195A FR2427862A1 (fr) 1978-06-08 1978-06-08 Procede ameliore de fabrication de noyaux de forme compliquee, a partir d'un melange de sable liquide autodurcissant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7817195A FR2427862A1 (fr) 1978-06-08 1978-06-08 Procede ameliore de fabrication de noyaux de forme compliquee, a partir d'un melange de sable liquide autodurcissant

Publications (2)

Publication Number Publication Date
FR2427862A1 true FR2427862A1 (fr) 1980-01-04
FR2427862B1 FR2427862B1 (fr) 1982-01-22

Family

ID=9209256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7817195A Granted FR2427862A1 (fr) 1978-06-08 1978-06-08 Procede ameliore de fabrication de noyaux de forme compliquee, a partir d'un melange de sable liquide autodurcissant

Country Status (1)

Country Link
FR (1) FR2427862A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2096863A1 (fr) * 1970-07-07 1972-03-03 Centre Tech Ind Fond
FR2177502A2 (fr) * 1972-03-27 1973-11-09 Ctre Tech Ind Fonderie

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2096863A1 (fr) * 1970-07-07 1972-03-03 Centre Tech Ind Fond
FR2177502A2 (fr) * 1972-03-27 1973-11-09 Ctre Tech Ind Fonderie

Also Published As

Publication number Publication date
FR2427862B1 (fr) 1982-01-22

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Legal Events

Date Code Title Description
ST Notification of lapse