ES297824A1 - Procedure for manufacturing mirrors reflectors (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for manufacturing mirrors reflectors (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES297824A1 ES297824A1 ES0297824A ES297824A ES297824A1 ES 297824 A1 ES297824 A1 ES 297824A1 ES 0297824 A ES0297824 A ES 0297824A ES 297824 A ES297824 A ES 297824A ES 297824 A1 ES297824 A1 ES 297824A1
- Authority
- ES
- Spain
- Prior art keywords
- heat
- translation
- layer
- machine
- legally binding
- 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
Landscapes
- Optical Elements Other Than Lenses (AREA)
Abstract
Method of manufacturing reflective mirrors, preferably of the type used in arc flashlights, especially applicable to cinematographic projectors, essentially characterized in that it includes the following steps: a) constitution of a metal cap, preferably aluminum sheet, which is embedded and rectified by the concave face; b) constitution, on the concave face, of a layer, supporting the reflection film, by applying a layer of bakelite or urea varnish, which is subsequently hardened in the heat, at a temperature between 200 and 300º C; c) deposition, on the heat hardened case, of a film, of reflection, vaporizing aluminum, preferably in a high vacuum bell; d) protection of the reflection film deposited with a layer of colorless urea varnish, which hardens in heat, at a temperature between 200 and 300º C; e) hardened from the assembly to heat, at temperatures between 250 and 350º C, leaving the reflection film enclosed between both layers of urea. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES0297824A ES297824A1 (en) | 1964-03-20 | 1964-03-20 | Procedure for manufacturing mirrors reflectors (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES0297824A ES297824A1 (en) | 1964-03-20 | 1964-03-20 | Procedure for manufacturing mirrors reflectors (Machine-translation by Google Translate, not legally binding) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES297824A1 true ES297824A1 (en) | 1964-05-16 |
Family
ID=34564240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0297824A Expired ES297824A1 (en) | 1964-03-20 | 1964-03-20 | Procedure for manufacturing mirrors reflectors (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES297824A1 (en) |
-
1964
- 1964-03-20 ES ES0297824A patent/ES297824A1/en not_active Expired
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