Abstract:
An easy-to-produce annular metal cord exhibiting excellent break strength and an endless metal belt are provided. The annular metal cord has an annular core portion (3) and an outer layer portion (4). The annular core portion (3) is formed by bonding the opposite ends of a first strand material (1) consisting of six stranded first metal wires (5). The outer layer portion (4) is formed by winding a second strand material (2) consisting of six stranded second metal wires (6) six turns spirally around the annular core portion (3). The second strand material (2) is wound at a predetermined winding angle with respect to the central axis of the annular core portion (3), wherein the start-of-winding portion and the end-of-winding portion are coupled. Since six second strand materials (2) are not wound but the second strand material (2) are wound six turns, only one second strand material is required and the second strand material is coupled at only one position. Consequently, break strength of the annular metal cord can be enhanced while production is facilitated.
Abstract:
PROBLEM TO BE SOLVED: To provide a readily producible annular metal cord and endless metal belt having excellent breaking strength. SOLUTION: The annular cord has an annular core part 3 and an outer layer part 4. The annular core part 3 is formed by bonding both ends of a first strand material 1 prepared by laying six first metal wires 5. The outer layer part 4 is formed by helically winding a second strand material 2 obtained by laying six second metal wires 6 six turns around the annular core part 3. The second strand material 2 is wound at a prescribed winding angle relatively to the central axis of the annular core part 3. The winding starting end part is bonded to the winding terminal end part. Since six second strand materials 2 are not wound but the second strand material 2 is wound six turns, only one second strand material 2 is sufficient and the number of the binding site is one. As a result, the breaking strength of the annular metal cord can be increased and production can be facilitated. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
Câblé textile (50) à au moins triple torsion (T1, T2, T3), comportant au moins N brins (20a, 20b, 20c, 20d), N étant supérieur à 1, retordus ensemble selon une torsion finale T3 et une direction finale D2, chaque brin étant constitué de M pré-brins (10a, 10b, 10c), M étant supérieur à 1, eux-mêmes tordus ensemble selon une torsion intermédiaire T2 (T2a, T2b, T2c, T2d) et une direction intermédiaire D1 opposée à D2, chaque pré-brin consistant lui-même en un filé (5) qui a été tordu préalablement sur lui-même selon une torsion initiale T1 (T1a, T1b, T1c) et la direction D1, dans lequel au moins la moitié des N fois M filés présente un module initial en extension noté Mi qui est supérieur à 800 cN/tex. Ce câblé textile est avantageusement utilisable comme renfort dans les pneumatiques pour véhicules, en particulier dans la ceinture ou dans l'armature de carcasse de ces pneumatiques.
Abstract:
The invention relates to a hybrid rope comprising a core element, a first and a second metallic closed layer surrounding said core element. The core element includes a bundle or construction of synthetic yarns. The first metallic closed layer includes a plurality of first wirelike members helically twisted together with the core element in a first direction. The second metallic closed layer includes a plurality of second wirelike members helically twisted together with said core element and said first metallic closed layer in a second direction. The cross-sectional area of the core element is larger than the total cross-sectional area of the first and second metallic closed layers.
Abstract:
An uncured, composite rope includes at least one inner tow of structural fibers of a first material and a plurality of outer tows of structural fibers disposed about the at least one inner tow, the structural fibers of at least one of the plurality of outer tows being made from a second material that is different from the first material. The uncured, composite rope further includes an uncured polymeric resin impregnated into the at least one inner tow and the plurality of outer tows.
Abstract:
A steel cord comprises more than one steel filament (10). At least some of the steel filaments have a zinc iron alloy layer (14) partially covered with a zinc cover (16). The zinc cover is only present in valleys formed in the zinc-iron alloy layer. The processability and adhesion level in rubber products of the stell cord are increased.
Abstract:
A synthetic rope for an elevator having improved resistance to compression and abrasion is provided and comprises a plurality of strands forming layers of the rope, each strand formed from a plurality of pre-twisted strands made from high modulus synthetic filaments. One or more of the strands or layers of strands may be impregnated with a lubricant, such as polytetrafiuoroethylene, to reduce the abrasion among the strands and substrands, and increase the service life of the rope. The exterior of the rope may be covered by a jacket that provides for traction with the drive sheave. An elevator system comprising the claimed rope is also provided.