FR2187847B1 - - Google Patents
Info
- Publication number
- FR2187847B1 FR2187847B1 FR7320961A FR7320961A FR2187847B1 FR 2187847 B1 FR2187847 B1 FR 2187847B1 FR 7320961 A FR7320961 A FR 7320961A FR 7320961 A FR7320961 A FR 7320961A FR 2187847 B1 FR2187847 B1 FR 2187847B1
- Authority
- FR
- France
- 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
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
- B22C7/023—Patterns made from expanded plastic materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
- C08J9/236—Forming foamed products using binding agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2673772A GB1422788A (en) | 1972-06-08 | 1972-06-08 | Forming voids in concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2187847A1 FR2187847A1 (en:Method) | 1974-01-18 |
| FR2187847B1 true FR2187847B1 (en:Method) | 1976-06-11 |
Family
ID=10248438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7320961A Expired FR2187847B1 (en:Method) | 1972-06-08 | 1973-06-08 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2328273B2 (en:Method) |
| FR (1) | FR2187847B1 (en:Method) |
| GB (1) | GB1422788A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2914927A1 (de) * | 1979-04-12 | 1980-08-07 | Pelikan Ag | Schwimmfaehige modelliermasse |
| FR2600566B1 (fr) * | 1986-06-02 | 1990-03-09 | Polyfond S C | Procede de fabrication de modeles perdus sans retrait pour la fonderie |
| US5176188A (en) * | 1991-02-14 | 1993-01-05 | E. I. Du Pont De Nemours And Company | Investment casting method and pattern material comprising thermally-collapsible expanded microspheres |
| DE19718886A1 (de) * | 1997-05-03 | 1998-11-05 | Bosch Gmbh Robert | Verfahren zur Herstellung von porösen Formkörpern |
| CN115255267A (zh) * | 2022-08-12 | 2022-11-01 | 安徽沃尔曼新材料科技有限公司 | 一种模壳的制备方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1219221B (de) * | 1956-02-24 | 1966-06-16 | Basf Ag | Verfahren zur Herstellung von Formkoerpern aus verschaeumbaren Styrolpolymerisaten und Bindemitteln |
| GB1012277A (en) * | 1963-02-14 | 1965-12-08 | Monsanto Chemicals | Foamable polystyrene and process for moulding it |
-
1972
- 1972-06-08 GB GB2673772A patent/GB1422788A/en not_active Expired
-
1973
- 1973-06-04 DE DE19732328273 patent/DE2328273B2/de active Pending
- 1973-06-08 FR FR7320961A patent/FR2187847B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2328273A1 (de) | 1974-01-03 |
| DE2328273B2 (de) | 1976-05-20 |
| FR2187847A1 (en:Method) | 1974-01-18 |
| GB1422788A (en) | 1976-01-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |