GB2034220B - Method and apparatus for catalytically hardening mould parts made of sand in the manufacture of metal castings - Google Patents
Method and apparatus for catalytically hardening mould parts made of sand in the manufacture of metal castingsInfo
- Publication number
- GB2034220B GB2034220B GB7909936A GB7909936A GB2034220B GB 2034220 B GB2034220 B GB 2034220B GB 7909936 A GB7909936 A GB 7909936A GB 7909936 A GB7909936 A GB 7909936A GB 2034220 B GB2034220 B GB 2034220B
- Authority
- GB
- United Kingdom
- Prior art keywords
- catalytically
- sand
- manufacture
- parts made
- mould parts
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000005058 metal casting Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000004576 sand Substances 0.000 title 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92890178A | 1978-07-28 | 1978-07-28 | |
DE19782833305 DE2833305A1 (en) | 1978-07-28 | 1978-07-28 | Catalytic hardening of sand cores or moulds in metal foundries - where hot air, which removes residual catalyst from hardened core, is reused in next hardening cycle |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2034220A GB2034220A (en) | 1980-06-04 |
GB2034220B true GB2034220B (en) | 1982-09-08 |
Family
ID=25775218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7909936A Expired GB2034220B (en) | 1978-07-28 | 1979-03-21 | Method and apparatus for catalytically hardening mould parts made of sand in the manufacture of metal castings |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT372317B (en) |
CH (1) | CH641067A5 (en) |
FR (1) | FR2431886A1 (en) |
GB (1) | GB2034220B (en) |
IT (2) | IT1119310B (en) |
NL (1) | NL7902403A (en) |
SE (1) | SE7902605L (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3422742A1 (en) * | 1984-06-19 | 1985-12-19 | Michel, Horst Werner, Dipl.-Ing., 7707 Engen | CONTROL FOR A DEVICE FOR CURING SAND CORES AND / OR MOLDS |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1959023B2 (en) * | 1969-11-25 | 1974-11-14 | Cobomat Apparatebau Gmbh, 3013 Barsinghausen | Method and device for supplying a catalyst to the core in the production of casting molds using the cold box method |
DE2025253C3 (en) * | 1970-05-23 | 1975-10-02 | Guenther 7012 Schmiden Doll | Method and device for producing cores or sand molds |
DE2162137C2 (en) * | 1971-12-15 | 1983-01-13 | Horst-Werner Ing.(Grad.) 7707 Engen Michel | System for hardening sand molds and cores for foundry purposes |
CH580451A5 (en) * | 1973-07-13 | 1976-10-15 | Lueber Werner | |
DE2405600A1 (en) * | 1974-02-06 | 1975-08-07 | Michel Horst Werner | Mist prodn. from catalyst-air mixtures - for hardening foundry cores made by the cold box process |
DE2414407C2 (en) * | 1974-03-26 | 1985-08-29 | Horst Werner Dipl.-Ing. 7707 Engen Michel | Device for manufacturing cores for foundry purposes |
DE2621153A1 (en) * | 1976-05-13 | 1977-11-24 | Daimler Benz Ag | Hardening sand cores by cold box process - where catalyst is reclaimed from carrier gas after use |
FR2376696A1 (en) * | 1977-01-07 | 1978-08-04 | Stone Wallwork Ltd | Vaporiser for hardening organic binder in foundry sand mixt. - using liq. amine catalyst which is evaporated by vacuum in the core-box |
DE2704868C2 (en) * | 1977-02-05 | 1988-11-10 | Horst Werner Dipl.-Ing. 7707 Engen Michel | Process and device for core production for foundry purposes |
DE2727794A1 (en) * | 1977-06-21 | 1979-01-18 | Daimler Benz Ag | Foundry cores hardened by catalyst gas mixed with air - where analysers in gas recovery circuit prevent danger of an explosion |
-
1979
- 1979-03-16 CH CH249979A patent/CH641067A5/en not_active IP Right Cessation
- 1979-03-16 AT AT0202279A patent/AT372317B/en not_active IP Right Cessation
- 1979-03-21 GB GB7909936A patent/GB2034220B/en not_active Expired
- 1979-03-22 SE SE7902605A patent/SE7902605L/en not_active Application Discontinuation
- 1979-03-28 NL NL7902403A patent/NL7902403A/en active Search and Examination
- 1979-06-13 FR FR7915105A patent/FR2431886A1/en active Granted
- 1979-06-29 IT IT68376/79A patent/IT1119310B/en active
- 1979-06-29 IT IT7953372U patent/IT7953372V0/en unknown
Also Published As
Publication number | Publication date |
---|---|
CH641067A5 (en) | 1984-02-15 |
ATA202279A (en) | 1983-02-15 |
IT7968376A0 (en) | 1979-06-29 |
SE7902605L (en) | 1980-01-29 |
NL7902403A (en) | 1980-01-30 |
GB2034220A (en) | 1980-06-04 |
FR2431886A1 (en) | 1980-02-22 |
IT1119310B (en) | 1986-03-10 |
FR2431886B1 (en) | 1985-02-22 |
AT372317B (en) | 1983-09-26 |
IT7953372V0 (en) | 1979-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930321 |