摘要:
Resilient metal/textile composite cord (C-I) comprising two layers (Ci, Ce) of 1+N construction, which is formed from a cord or internal layer (Ci) comprising a textile core yarn (10) of diameter d1, and a metal external layer (Ce) of N wires (12) of diameter d2 wound together in a helix with pitch p2 around the layer Ci, said cord being characterized in that it has the following characteristics (p2 in mm) :-As > 1.0 % ; At > 4.0 % ; Af > 6.0 % ; d1 > 1.1d2 ; 4
摘要:
The inventive two-layer 4+N structured wire rope comprises an internal layer C1 consisting of 4 wires with a diameter d1 which are jointly helically wound with a pitch p1, wherein said layer C1 is also surrounded with an external layer C2 consisting of N wires with a diameter d2 which are jointly helically wound with a pitch p2. Said wire rope is characterised in that it exhibits the following characteristics (d1, d2, p1 and p2 in mm): - 0,25
摘要:
The invention relates to a metal cord (C-1) having two concentric layers (Ci, Ce) with an M+N structure, comprising a first internal layer or core (Ci) consisting of M wire(s) (10) of diameter d 1 , where M varies from 1 to 4, said core being surrounded by a second, helicoid external layer (Ce) consisting of N wires (11) of diameter d2, wherein at least some of the gaps in the cord located between the wires of the different layers contain a filling rubber (13) composed of an unsaturated thermoplastic elastomer, in particular a styrenic thermoplastic elastomer (TPS), such as an SBS or SIS block copolymer. Such a thermoplastic elastomer, implemented in a molten state, does not cause any unwanted sticking problems if the filling rubber overruns outside the cord after production; the unsaturated and therefore (co)vulcanisable character of said thermoplastic elastomer provides excellent compatibility with diene rubber matrices, such as natural rubbers that are usually used as calendering rubber in the metal fabrics intended for reinforcing tyres.
摘要:
The invention relates to a metal cable (C-1) with three layers (C1, C2, C3), rubberised on site, comprising a core or first layer (10, C1) with a diameter d 1 , around which are wound together forming a helix with a pitch p 2 , in a second layer (C2), N wires (11) with a diameter d 2 , around which are wound together forming a helix with a pitch p 3 , in a third layer (C3), P wires (12) with a diameter d 3 , said cable being characterised in that it has the following properties (d 1 , d 2 , d 3 , p 2 and p 3 being expressed in mm): - 0.08 1 2 3 1 + d 2 ) 2 3 1 + 2d 2 + d 3 ); every 2 cm of cable length, a rubber composition referred to as "filling rubber" (13) is provided in each of the capillaries (14) located, on the one hand, between the core (C1) and the N wires (11) of the second layer (C2) and, on the other hand, between the N wires (11) of the second layer (C2) and the P wires (12) of the third layer (C3); the ratio of filling rubber (13) in the cable being 10 to 50 mg per gram of cable. The invention relates to a multi-strand cable in which at least one of the strands is a metal cable (C-1) with three layers rubberised on site.
摘要:
Method of manufacturing a metal cord with three concentric layers (C1, C2, C3), that is rubberized in situ, of construction M+N+P, comprising an internal first layer (C1) made up of M filaments of diameter d 1 , M varying from 1 to 4, around which there are wrapped together in a helix at a pitch p2, as an intermediate second layer (C2), N filaments of diameter d 2 , N varying from 3 to 12, around which there are wrapped together in a helix at a pitch p 3 , as an outer third layer (C3), P filaments of diameter d 3 , P varying from 8 to 20, said method comprising the following steps performed in line: - a step of assembling, by twisting, the N filaments around the first layer (C1), in order to form at a point known as the "assembly point" an intermediate cord known as a "cored strand" of construction M+N; - downstream of the assembly point, a step of jacketing the cored strand M+N with a rubber compound known as "filling rubber", in the non-crosslinked state; - a step of assembling the P filaments of the first layer (C3) by twisting around the cored strand thus jacketed; - a final torsion equalizing step. Device for implementing such a method.
摘要:
The invention relates to a metal cord comprising a plurality of concentric layers, of the type that are rubberised in situ, that is, rubberised from inside, during the actual production, by a so-called filling rubber, wherein all or some of the gaps between the wires of the cord contain a thermoplastic elastomer of the unsaturated type, especially a styrenic thermoplastic elastomer (TPS) such as a block copolymer SBS, SBBS, SIS or SBIS. Such a thermoplastic elastomer, implemented in its melted state, does not cause any unwanted sticking problems in the event of the filling rubber overrunning outside the cord after production; its unsaturated and therefore (co)vulcanisable character enable it to be excellently compatible with diene rubber matrices, especially natural rubber, such as those usually used as calendering rubber in the metal fabrics used to reinforce tyres.