FR2378294B2 - - Google Patents
Info
- Publication number
- FR2378294B2 FR2378294B2 FR7701669A FR7701669A FR2378294B2 FR 2378294 B2 FR2378294 B2 FR 2378294B2 FR 7701669 A FR7701669 A FR 7701669A FR 7701669 A FR7701669 A FR 7701669A FR 2378294 B2 FR2378294 B2 FR 2378294B2
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/10—Mirrors with curved faces
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/0073—Re-forming shaped glass by blowing
- C03B23/008—Vacuum-blowing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
- C03B23/207—Uniting glass rods, glass tubes, or hollow glassware
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7701669A FR2378294A2 (fr) | 1977-01-21 | 1977-01-21 | Procede de fabrication de structures alveolaires rigides, et structures obtenues selon ce procede |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7701669A FR2378294A2 (fr) | 1977-01-21 | 1977-01-21 | Procede de fabrication de structures alveolaires rigides, et structures obtenues selon ce procede |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2378294A2 FR2378294A2 (fr) | 1978-08-18 |
| FR2378294B2 true FR2378294B2 (nl) | 1980-04-18 |
Family
ID=9185752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7701669A Granted FR2378294A2 (fr) | 1977-01-21 | 1977-01-21 | Procede de fabrication de structures alveolaires rigides, et structures obtenues selon ce procede |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2378294A2 (nl) |
-
1977
- 1977-01-21 FR FR7701669A patent/FR2378294A2/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2378294A2 (fr) | 1978-08-18 |