FR1478659A - Road protection harrow - Google Patents
Road protection harrowInfo
- Publication number
- FR1478659A FR1478659A FR31005163A FR31005163A FR1478659A FR 1478659 A FR1478659 A FR 1478659A FR 31005163 A FR31005163 A FR 31005163A FR 31005163 A FR31005163 A FR 31005163A FR 1478659 A FR1478659 A FR 1478659A
- Authority
- FR
- France
- Prior art keywords
- harrow
- road protection
- road
- protection
- protection harrow
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/12—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions for forcibly arresting or disabling vehicles, e.g. spiked mats
- E01F13/123—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions for forcibly arresting or disabling vehicles, e.g. spiked mats depressible or retractable below the traffic surface, e.g. one-way spike barriers, power-controlled prong barriers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR31005163A FR1478659A (en) | 1966-03-22 | 1966-03-22 | Road protection harrow |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR31005163A FR1478659A (en) | 1966-03-22 | 1966-03-22 | Road protection harrow |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1478659A true FR1478659A (en) | 1967-04-28 |
Family
ID=1584971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR31005163A Expired FR1478659A (en) | 1966-03-22 | 1966-03-22 | Road protection harrow |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1478659A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0283939A2 (en) * | 1987-03-19 | 1988-09-28 | Barrier Concepts, Inc. | A vehicle security barrier |
FR2617215A1 (en) * | 1987-06-26 | 1988-12-30 | Coste Sylvain | RETRACTING DAM FOR LAND VEHICLES |
FR2621338A1 (en) * | 1987-10-02 | 1989-04-07 | Anglade Rene | Protection device for security spikes in their active or defensive position |
-
1966
- 1966-03-22 FR FR31005163A patent/FR1478659A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0283939A2 (en) * | 1987-03-19 | 1988-09-28 | Barrier Concepts, Inc. | A vehicle security barrier |
EP0283939A3 (en) * | 1987-03-19 | 1990-02-07 | Barrier Concepts, Inc. | A vehicle security barrier |
FR2617215A1 (en) * | 1987-06-26 | 1988-12-30 | Coste Sylvain | RETRACTING DAM FOR LAND VEHICLES |
EP0300848A1 (en) * | 1987-06-26 | 1989-01-25 | Kopp France (Societe Anonyme) | Retractable barrier for land vehicles |
FR2621338A1 (en) * | 1987-10-02 | 1989-04-07 | Anglade Rene | Protection device for security spikes in their active or defensive position |
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