CA986681A - Foundry mould and core gaseous diffusion hardening method and apparatus - Google Patents

Foundry mould and core gaseous diffusion hardening method and apparatus

Info

Publication number
CA986681A
CA986681A CA153,188A CA153188A CA986681A CA 986681 A CA986681 A CA 986681A CA 153188 A CA153188 A CA 153188A CA 986681 A CA986681 A CA 986681A
Authority
CA
Canada
Prior art keywords
hardening method
gaseous diffusion
diffusion hardening
foundry mould
core
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
Application number
CA153,188A
Other languages
English (en)
Inventor
Jean Truchelut
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.)
Pont a Mousson SA
Original Assignee
Pont a Mousson SA
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 FR7135745A external-priority patent/FR2155781A1/fr
Priority claimed from FR7233021A external-priority patent/FR2199484A2/fr
Application filed by Pont a Mousson SA filed Critical Pont a Mousson SA
Application granted granted Critical
Publication of CA986681A publication Critical patent/CA986681A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/12—Treating moulds or cores, e.g. drying, hardening
    • B22C9/123—Gas-hardening
    • 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
    • B22C1/162—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 use of a gaseous treating agent for hardening the binder

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Mold Materials And Core Materials (AREA)
CA153,188A 1971-10-05 1972-10-04 Foundry mould and core gaseous diffusion hardening method and apparatus Expired CA986681A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7135745A FR2155781A1 (en) 1971-10-05 1971-10-05 Hardening foundry elements - esp resin and sand moulds using a gaseous mixture of dimethylethylamine and carbon dioxide
FR7233021A FR2199484A2 (en) 1972-09-18 1972-09-18 Hardening foundry elements - esp resin and sand moulds using a gaseous mixture of dimethylethylamine and carbon dioxide

Publications (1)

Publication Number Publication Date
CA986681A true CA986681A (en) 1976-04-06

Family

ID=26216648

Family Applications (1)

Application Number Title Priority Date Filing Date
CA153,188A Expired CA986681A (en) 1971-10-05 1972-10-04 Foundry mould and core gaseous diffusion hardening method and apparatus

Country Status (11)

Country Link
JP (1) JPS5123370B2 (ja)
BE (1) BE789257A (ja)
CA (1) CA986681A (ja)
CH (1) CH562067A5 (ja)
DE (1) DE2248795B2 (ja)
DK (1) DK131613C (ja)
ES (2) ES407512A1 (ja)
IT (1) IT975164B (ja)
NL (1) NL7213419A (ja)
NO (1) NO138359C (ja)
SE (1) SE397169B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105725A (en) * 1972-11-21 1978-08-08 Liquid Carbonic Canada Ltd. Saturated liquid/vapor generating and dispensing
FR2419779A1 (fr) * 1978-03-14 1979-10-12 Gerard Richard Procede de durcissement d'une composition destinee notamment a la fabrication de moules et de noyaux de fonderie, et appareil pour la mise en oeuvre dudit procede
DE3340762C2 (de) * 1983-11-10 1986-10-02 Horst Werner Dipl.-Ing. 7707 Engen Michel Verfahren und Vorrichtung zum Aushärten von aus Sand unter Verwendung eines Bindemittels hergestellten Kernen und/oder Formen, die zum Gießen von Formkörpern aus metallischen oder nicht metallischen schmelzflüssigen Ausgangsmaterialien Verwendung finden
DE3608112A1 (de) * 1986-03-12 1987-09-17 Artur Unterderweide Verfahren und vorrichtung fuer die erzeugung eines gasfoermigen haertemittels

Also Published As

Publication number Publication date
NL7213419A (ja) 1973-04-09
DE2248795A1 (de) 1973-04-19
DE2248795B2 (de) 1976-08-12
BE789257A (fr) 1973-01-15
CH562067A5 (ja) 1975-05-30
NO138359B (no) 1978-05-16
DK131613C (da) 1976-01-12
NO138359C (no) 1978-08-23
DK131613B (da) 1975-08-11
IT975164B (it) 1974-07-20
SE397169B (sv) 1977-10-24
ES407513A1 (es) 1975-10-16
JPS5123370B2 (ja) 1976-07-16
ES407512A1 (es) 1975-11-01
JPS4845425A (ja) 1973-06-29

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