# US 11,112,042 B2 · Tightening device comprising a belt and two tightening lugs added thereon > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,112,042 B2 - Document ID: US11112042B2 - Status: Granted - Kind: B2 - Application number: 16/715,354 - Filed: 2019-12-16 - Published: 2020-06-18 - Granted: 2021-09-07 - Earliest claimed: 2018-12-17 - Assignees: Caillau - Applicants: Caillau - Inventors: Nicolas Rigollet; Dylan Clerc - Web page: https://patentgrep.com/patent/US11112042B2 ## CPC - F16L 33/04: tightened by tangentially-arranged threaded pin and nut - F16L 21/065: {tightened by tangentially-arranged threaded pins} - F16L 23/08: connection by tangentially arranged pin and nut - F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL ## Abstract The tightening device includes a belt (10) having a first and a second end (10A, 10B) and a first and a second tightening lug (14A, 14B) carried by the belt which are formed respectively in a first and a second band portion (12A, 12B) respectively fastened to the outer face of the belt (10) in the vicinity of its first and its second end (10A, 10B). At least the first band portion (12A) is fastened to the belt (10) through at least a first fastening area (18A) formed on a boss (18′A) of the first band portion (12A) protruding inwardly and/or a boss of the belt protruding outwardly. ## Claims ### Claim 1 A tightening device comprising a belt having a first and a second end, and a first and a second tightening lug carried by the belt which are formed respectively in a first and a second band portion respectively fastened to an outer face of the belt in the vicinity of the first and the second end, at least the first band portion being fastened to the belt through at least a first fastening area formed on at least one of a boss of the first band portion protruding inwardly and a boss of the belt protruding outwardly, and through a second fastening area; wherein, around the boss on which the first fastening area is formed, a clearance gap is arranged between the inner face of the first band portion and the outer face of the belt. ### Claim 2 (depends on 1) The device according to claim 1, wherein the first fastening area is formed by welding. ### Claim 3 (depends on 1) The device according to claim 1, wherein the first and second fastening areas are aligned in the circumferential direction of the belt. ### Claim 4 (depends on 1) The device according to claim 1, wherein a dimension of the second fastening area measured according to the surface of the belt, is similar to a dimension of the first fastening area. ### Claim 5 (depends on 1) The device according to claim 1, wherein a dimension of the first fastening area represents an area between 15 mm2 and 80 mm2. ### Claim 6 (depends on 1) The device according to claim 1, wherein a dimension of the first fastening area represents an area between 25 mm2 and 60 mm2. ### Claim 7 (depends on 1) The device according to claim 1, wherein the first fastening area represents a substantially disk-shaped surface having a diameter of between 25% and 60% of the width of the belt. ### Claim 8 (depends on 7) The device according to claim 7, wherein the boss of the second fastening area is formed in one of the first band portion and the belt and delimits a wedging rim, and wherein another one of the first band portion and the belt has an opening in which the boss of the second fastening area is accommodated and wedged. ### Claim 9 (depends on 7) The device according to claim 7, wherein the first and second fastening areas are aligned in the circumferential direction of the belt. ### Claim 10 (depends on 1) The device according to claim 1, wherein the second fastening area is formed on at least one of a boss of the first band portion protruding inwardly and a boss of the belt protruding outwardly. ### Claim 11 (depends on 1) The device according to claim 1, wherein the second fastening area is formed by clinching. ### Claim 12 (depends on 1) The device according to claim 1, wherein the second fastening area is formed by welding. ### Claim 13 (depends on 12) The device according to claim 12, wherein the first fastening area is behind the second fastening area. ### Claim 14 (depends on 1) The device according to claim 1, wherein, of the first and second fastening areas, only the first fastening area is formed by welding. ### Claim 15 (depends on 1) The device according to claim 1, wherein the first and second band portions are fastened to the belt in the same manner. ### Claim 16 (depends on 1) The device according to claim 1, wherein exactly two fastening areas are provided for each of the first and second band portions.