FR1478659A - Road protection harrow - Google Patents

Road protection harrow

Info

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
Application number
FR31005163A
Other languages
French (fr)
Inventor
Alain Saint-Aubin
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to FR31005163A priority Critical patent/FR1478659A/en
Application granted granted Critical
Publication of FR1478659A publication Critical patent/FR1478659A/en
Expired legal-status Critical Current

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
FR31005163A 1966-03-22 1966-03-22 Road protection harrow Expired FR1478659A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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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