FR532977A - Process for the production of writing boards covered with enamel - Google Patents
Process for the production of writing boards covered with enamelInfo
- Publication number
- FR532977A FR532977A FR532977DA FR532977A FR 532977 A FR532977 A FR 532977A FR 532977D A FR532977D A FR 532977DA FR 532977 A FR532977 A FR 532977A
- Authority
- FR
- France
- Prior art keywords
- enamel
- production
- writing boards
- boards covered
- covered
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
- C23D5/00—Coating with enamels or vitreous layers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Drawing Aids And Blackboards (AREA)
- Paints Or Removers (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEZ11897D DE362485C (en) | 1920-11-14 | 1920-11-14 | Process for the production of writing boards |
| US472864A US1438154A (en) | 1920-11-14 | 1921-05-26 | Manufacture of enameled writing tablets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR532977A true FR532977A (en) | 1922-02-16 |
Family
ID=40428057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR532977D Expired FR532977A (en) | 1920-11-14 | 1921-01-05 | Process for the production of writing boards covered with enamel |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1438154A (en) |
| DE (1) | DE362485C (en) |
| FR (1) | FR532977A (en) |
| GB (1) | GB171663A (en) |
| NL (1) | NL7706C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2466682A (en) * | 1944-05-27 | 1949-04-12 | Ferro Enamel Corp | Porcelain enamel finish |
| US2781636A (en) * | 1952-06-23 | 1957-02-19 | Fulmer Res Inst Ltd | Low emissivity coatings for metal surfaces |
-
1920
- 1920-11-14 DE DEZ11897D patent/DE362485C/en not_active Expired
-
1921
- 1921-01-05 FR FR532977D patent/FR532977A/en not_active Expired
- 1921-01-29 NL NL17899A patent/NL7706C/xx active
- 1921-02-23 GB GB6162/21A patent/GB171663A/en not_active Expired
- 1921-05-26 US US472864A patent/US1438154A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE362485C (en) | 1922-10-28 |
| NL7706C (en) | 1922-11-15 |
| US1438154A (en) | 1922-12-05 |
| GB171663A (en) | 1922-05-18 |
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