# US 8,782,998 B2 · Street pole and method for placing the street pole > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,782,998 B2 - Document ID: US8782998B2 - Status: Granted - Kind: B2 - Application number: 12/137,800 - Filed: 2008-06-12 - Published: 2008-12-18 - Granted: 2014-07-22 - Earliest claimed: 2007-06-15 - Assignees: Safety Product - Applicants: Urbanus Paul Marguerite Goossens; Albert Maes; Anja Lievens; Carolien Willems - Inventors: Urbanus Paul Marguerite Goossens; Albert Maes; Anja Lievens; Carolien Willems - Web page: https://patentgrep.com/patent/US8782998B2 ## CPC - E04H 12/08: of metal - E01F 9/635: by shearing or tearing, e.g. having weakened zones - E04H: BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL (foundations E02D) - E01F: ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE ## Abstract A street pole (1) extending substantially along a longitudinal direction (8) and comprising a hollow cylindrical body (6) extending around the longitudinal direction (8) along a circumferential direction (9), the hollow cylindrical body (6) comprising at least one overlap (2) of a first (3) and a second edge (4) of a circumferential side wall (7) forming the hollow cylindrical body (6), the hollow cylindrical body (6) comprising fastening means (5) for interconnecting the first and the second edge (3, 4), the overlap (2) having a length (10) extending substantially parallel along the longitudinal direction (8), wherein the overlap (2) has a width (11) extending substantially along the circumferential direction (9). ## Claims ### Claim 1 A street pole (1) extending substantially along a longitudinal direction (8) and comprising a hollow cylindrical body (6) extending around the longitudinal direction (8) along a circumferential direction (9), the hollow cylindrical body (6) comprising at least one overlap (2) of a first (3) and a second edge (4) of a circumferential side wall (7) forming the hollow cylindrical body (6), the hollow cylindrical body (6) comprising fastening means (5) for interconnecting the first and the second edge (3, 4), the overlap (2) having a length (10) extending substantially parallel along the longitudinal direction (8), wherein the overlap (2) has a width (11) extending substantially along the circumferential direction (9), wherein the side wall (7) and the fastening means (5) are provided to split open along the overlap (2) by breaking away the fastening means (5) upon impact at a place of impact (15) on the street pole (1), the hollow cylindrical body (6), being provided at the place of impact (15), wherein the fastening means (5) are elements extending through the overlap to interconnect the first and the second edges to each other, wherein the impact is caused by a vehicle in an accident, wherein the street pole (1) is provided with one or more lights, street signs, traffic signs, traffic lights, directions, or billboards, wherein the street pole (1) is made of a single hollow cylindrical body (6). ### Claim 2 (depends on 1) A street pole (1) according to claim 1, wherein the material of the side wall (7) has a yield strength (Re) of between 50N/mm2-700N/mm2. ### Claim 3 (depends on 1) A street pole (1) according to claim 1, wherein the material of the side wall (7) has a tensile strength (Rm) of between 50N/mm2-1350N/mm2. ### Claim 4 (depends on 1) A street pole (1) according to claim 1, wherein the material of the side wall (7) has a minimal elongation before breaking (A80) of at least 5%. ### Claim 5 (depends on 1) A street pole (1) according to claim 1, wherein the side wall (7) has a thickness of between 20 mm-0.5 mm. ### Claim 6 (depends on 1) A street pole (1) according to claim 1, wherein the hollow cylindrical body (6) has a diameter (12) at the place of impact (15) of between 50 mm-400 mm. ### Claim 7 (depends on 1) A street pole (1) according to claim 1, wherein the width (11) of the overlap (2) is between 0.1% and 10% of the circumference of the hollow cylindrical body (6). ### Claim 8 (depends on 1) A street pole (1) according to claim 1, wherein the fastening means (5) have a shear strength of between 2000N-7000N. ### Claim 9 (depends on 1) A street pole (1) according to claim 1, wherein the fastening means (5) are rivets. ### Claim 10 (depends on 1) A street pole (1) according to claim 1, wherein the hollow cylindrical body (6) has a round cross-section. ### Claim 11 (depends on 1) A street pole (1) according to claim 1, wherein the hollow cylindrical body (6) has a regular polygonal cross-section. ### Claim 12 (depends on 11) A street pole (1) according to claim 11, wherein the overlap (2) is substantially positioned at the centre between two adjacent vertices (13) of the regular polygonal cross-section. ### Claim 13 (depends on 11) A street pole (1) according to claim 11, wherein the regular polygonal cross-section comprises an uneven number of vertices (13). ### Claim 14 (depends on 1) A street pole (1) according to claim 1, wherein the circumferential side wall (7) forming the hollow cylindrical body (6) comprises at least one bent metal sheet (14). ### Claim 15 (depends on 14) A street pole (1) according to claim 14, wherein the metal sheet (14) is made from steel. ### Claim 16 A method for improving absorption of kinetic energy of a vehicle by a street pole, comprising providing a street pole (1) extending substantially along a longitudinal direction (8) and comprising a hollow cylindrical body (6) extending around the longitudinal direction (8) along a circumferential direction (9), the hollow cylindrical body (6) comprising at least one overlap (2) of a first (3) and a second edge (4) of a circumferential side wall (7) forming the hollow cylindrical body (6), the hollow cylindrical body (6) comprising fastening means (5) for interconnecting the first and the second edge (3, 4), the overlap (2) having a length (10) extending substantially parallel along the longitudinal direction (8), wherein the overlap (2) has a width (11) extending substantially along the circumferential direction (9), wherein the side wall (7) and the fastening means (5) are provided to split open along the overlap (2) by breaking away the fastening means (5) upon impact at a place of impact (15) on the street pole (1), the hollow cylindrical body (6), being provided at the place of impact (15), wherein the fastening means (5) are elements extending through the overlap to interconnect the first and the second edges to each other, wherein the impact is caused by a vehicle in an accident. ### Claim 17 (depends on 16) A method according to claim 16, wherein the width (11) of the overlap (2) extends substantially along a direction having an angle of between 0°-45° with a direction (17) of oncoming traffic. ### Claim 18 (depends on 1) A street pole (1) according to claim 1, wherein the fastening means (5) comprises nuts, bolts, screws, nails, staples or rivets. ### Claim 19 A street pole (1) extending substantially along a longitudinal direction (8) and comprising a hollow cylindrical body (6) extending around the longitudinal direction (8) along a circumferential direction (9), the hollow cylindrical body (6) comprising at least one overlap (2) of a first (3) and a second edge (4) of a circumferential side wall (7) forming the hollow cylindrical body (6), the hollow cylindrical body (6) comprising fastening means (5) for interconnecting the first and the second edge (3, 4), the overlap (2) having a length (10) extending substantially parallel along the longitudinal direction (8), wherein the overlap (2) has a width (11) extending substantially along the circumferential direction (9), wherein the side wall (7) and the fastening means (5) are provided to split open along the overlap (2) by breaking away the fastening means (5) upon impact at a place of impact (15) on the street pole (1), the hollow cylindrical body (6), being provided at the place of impact (15), wherein the fastening means (5) are elements extending through the overlap to interconnect the first and the second edges to each other, wherein the impact is caused by a vehicle in an accident, wherein the hollow cylindrical body (6) has a round cross-section, wherein the street pole (1) is provided with one or more lights, street signs, traffic signs, traffic lights, directions, or billboards, wherein the side wall (7) is a single piece.