FR2123331B1 - - Google Patents
Info
- Publication number
- FR2123331B1 FR2123331B1 FR7201496A FR7201496A FR2123331B1 FR 2123331 B1 FR2123331 B1 FR 2123331B1 FR 7201496 A FR7201496 A FR 7201496A FR 7201496 A FR7201496 A FR 7201496A FR 2123331 B1 FR2123331 B1 FR 2123331B1
- 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
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
- E21B12/04—Drill bit protectors
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10778671A | 1971-01-19 | 1971-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2123331A1 FR2123331A1 (OSRAM) | 1972-09-08 |
| FR2123331B1 true FR2123331B1 (OSRAM) | 1976-07-23 |
Family
ID=22318464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7201496A Expired FR2123331B1 (OSRAM) | 1971-01-19 | 1972-01-11 |
Country Status (7)
| Country | Link |
|---|---|
| AU (1) | AU467256B2 (OSRAM) |
| BE (1) | BE777722A (OSRAM) |
| CA (1) | CA955582A (OSRAM) |
| FR (1) | FR2123331B1 (OSRAM) |
| GB (1) | GB1384271A (OSRAM) |
| IT (1) | IT946304B (OSRAM) |
| NL (1) | NL7200435A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605844B (zh) * | 2021-08-03 | 2024-11-19 | 朱平平 | 一种可根据偏摆程度自动切断动力的石油钻机网电装置 |
-
1971
- 1971-08-17 CA CA120,695A patent/CA955582A/en not_active Expired
-
1972
- 1972-01-05 IT IT1904472A patent/IT946304B/it active
- 1972-01-05 BE BE777722A patent/BE777722A/xx unknown
- 1972-01-10 AU AU37741/72A patent/AU467256B2/en not_active Expired
- 1972-01-11 NL NL7200435A patent/NL7200435A/xx unknown
- 1972-01-11 FR FR7201496A patent/FR2123331B1/fr not_active Expired
- 1972-01-18 GB GB225472A patent/GB1384271A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA955582A (en) | 1974-10-01 |
| AU467256B2 (en) | 1975-11-27 |
| NL7200435A (OSRAM) | 1972-07-21 |
| IT946304B (it) | 1973-05-21 |
| GB1384271A (en) | 1975-02-19 |
| AU3774172A (en) | 1973-07-12 |
| FR2123331A1 (OSRAM) | 1972-09-08 |
| BE777722A (fr) | 1972-05-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |