FR2298422B1 - - Google Patents
Info
- Publication number
- FR2298422B1 FR2298422B1 FR7601085A FR7601085A FR2298422B1 FR 2298422 B1 FR2298422 B1 FR 2298422B1 FR 7601085 A FR7601085 A FR 7601085A FR 7601085 A FR7601085 A FR 7601085A FR 2298422 B1 FR2298422 B1 FR 2298422B1
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/14—Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions
- E21F5/143—Fluid barriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752503070 DE2503070A1 (de) | 1975-01-25 | 1975-01-25 | Verfahren zur herstellung von mit einer leitfaehigen auflage versehenen wasserbehaeltern und ggf. ihres zubehoers fuer explosionssperren untertage |
| DE19752509748 DE2509748B2 (de) | 1975-01-25 | 1975-03-06 | Verfahren zur herstellung von mit einer leitfaehigen auflage versehenen wasserbehaeltern und gegebenenfalls ihres zubehoers, z.b. ihrer deckel und klemmleisten fuer explosionssperren unter tage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2298422A1 FR2298422A1 (fr) | 1976-08-20 |
| FR2298422B1 true FR2298422B1 (US20080094685A1-20080424-C00004.png) | 1982-01-08 |
Family
ID=25768400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7601085A Granted FR2298422A1 (fr) | 1975-01-25 | 1976-01-16 | Procede de fabrication |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2509748B2 (US20080094685A1-20080424-C00004.png) |
| FR (1) | FR2298422A1 (US20080094685A1-20080424-C00004.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3226399C1 (de) * | 1982-07-15 | 1983-06-09 | Vkv Kunststoffanwendung Gmbh, 4660 Gelsenkirchen-Buer | Wassertrog aus Kunststoff für Explosionssperren des untertätigen Grubenbetriebes |
-
1975
- 1975-03-06 DE DE19752509748 patent/DE2509748B2/de not_active Ceased
-
1976
- 1976-01-16 FR FR7601085A patent/FR2298422A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2298422A1 (fr) | 1976-08-20 |
| DE2509748B2 (de) | 1977-08-25 |
| DE2509748A1 (de) | 1976-09-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |