Splicing device for closing a looped material band and material band provided with such splicing device

A splicing device (10) for closing a looped material band (1) whereby this splicing device comprises two splicing elements (20, 30) provided at one end with an assembly area (21, 31) arranged to be intimately linked to the two longitudinal ends (2, 3) of the material band (1) and with a toothing (22, 23) at the other end, toothings (22, 23) being provided respectively in the plane of the splicing elements (20, 30) and having a complementary shape to fit into each other, teeth (13) of each toothing (22, 32) comprising at least one transverse opening (14) aligned with that of the neighboring teeth (13) in order to define, when toothings (22, 32) are fitted into each other, at least one transverse passage arranged to receive at least one locking rod (15, 15a, 15b),

• wherein the splicing elements (20, 30) are made out of a thermoplastic material compatible with the material band (1) and each comprises at least one traction core (17) embedded in the thermoplastic material,
• the traction core (17) extends longitudinally in the splicing elements (20, 30) up to the teeth (13) of each toothing (22, 32), and
• the traction core (17) surrounds at least partly the transverse opening (14) of the teeth (13) of each toothing (22, 32) so that, when the splicing device (10) is assembled by the locking rod (15, 15a, 15b), the traction cores (17) of the two splicing elements (20, 30) increase the tensile strength of the splicing device (10).

A material band (1) whereby this material band is looped by at least one splicing device (10) that comprises two splicing elements (20, 30) on the one hand assembled intimately via an assembly area (21, 31) with the two longitudinal ends (2, 3) of the material band (1) and, on the other hand, assembled together by fitting into each other of two toothings (22, 23) having a complementary shape provided respectively in the plane of each of the splicing elements (20, 30), the teeth (13) of each toothing (22, 32) comprising at least one transverse opening (14) aligned with that of the neighboring teeth (13), in order to define, when toothings (22, 32) are fitted into each other, at least one transverse passage arranged to receive at least one locking rod (15, 15a, 15b),

• wherein the material band (1) comprises at least one splicing device (10),
• the splicing elements (20, 30) are made out of a thermoplastic material compatible with a material of the material band (1) and comprise at least one traction core (17) embedded in the thermoplastic material,
• the traction core (17) extends longitudinally in the splicing elements (20, 30) up to the teeth (13) of each toothing (22, 32), and
• the traction core (17) surrounds at least partly the transverse opening (14) of teeth (13) of each toothing (22, 32) so that, when the splicing device (10) is assembled by at least one locking rod (15, 15a, 15b), the traction cores (17) increase the tensile strength of the splicing device (10).