B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
B66B 7/06 (2006.01) D07B 1/00 (2006.01) D07B 1/02 (2006.01) D07B 1/16 (2006.01)
Patent
CA 2142072
This cable (1) has suspension means for lifts, which is connected with a cage (13) or load-receiving means, consists of synthetic fibres. A sheathing (2) surrounds an outermost strand layer (3). The sheathing (2) consists of synthetic material, preferably of polyurethane. Strands (4) are twisted or laid of individual aramide fibres (5). Each individual strand (4) is treated with an impregnating medium for the protection of the fibres (5). A friction-reducing intermediate sheathing (7) is arranged between the outermost strand layer (3) and the inner strand layer (6). In order to obtain and almost circularly shaped strand layer (6) and increase the degree of filling, gaps are augmented by filler strands (9). The task of the sheathing (2) consists in assuring the desired co-efficient of friction to the drive pulley and to protect the strands against mechanical and chemical damages and ultraviolet rays. The load is in that case carried exclusively by the strands (4). The cable (1) built up of aramide fibres (5) by comparison with a steel cable displays a substantially higher carrying capacity and only one fifth to one sixth of the specific weight for the same cross-section.
Ach Ernst
de Angelis Claudio
Ag Inventio
Riches Mckenzie & Herbert Llp
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