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A pull cable system, includes a cable for transmitting a tensile force, a flexible tube for accommodating the cable, and a casing surrounding the tube for absorbing a pressure force. The casing is composed of a plurality of form-parts so joined to one another as to form a continuous axial passageway

A pull cable system, includes a cable for transmitting a tensile force, a flexible tube for accommodating the cable, and a casing surrounding the tube for absorbing a pressure force. The casing is composed of a plurality of form-parts so joined to one another as to form a continuous axial passageway which is defined by an inside dimension. The form-parts are so configured that abutting end faces between successive form-parts have a complementary configuration to thereby enable a disposition of the casing along an arcuate path, with the tube being defined by an outside dimension corresponding to the inside dimension of the passageway.

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[ What is claimed as new and desired to be protected by Letters Patent is set forth in the appended claims:] [1.]1. A flexible tensile force transmitting cable system, comprising:a cable for transmitting a tensile force;a flexible tube receiving said cable for axial movement and having an outside di

[ What is claimed as new and desired to be protected by Letters Patent is set forth in the appended claims:] [1.]1. A flexible tensile force transmitting cable system, comprising:a cable for transmitting a tensile force;a flexible tube receiving said cable for axial movement and having an outside dimension; anda casing surrounding said tube, said casing including a plurality of form-parts joined to one another to form a continuous axial passageway defined by an inside dimension of varying diameters, said form-parts comprising a first set of form-parts alternately joined to a second set of form-parts, said first set of form-parts having opposite convex end faces, said second set of form-parts having opposite end faces, each having one of a concave shape and an annular shape, each of said first set of form-parts having an inside dimension corresponding to a cross section of said tube, said passageway in said second set of said form-parts having an inside dimension exceeding the cross section of said tube, said form-parts having abutting end faces between adjacent form-parts with complementary configurations enabling dispositions of said casing along accurate paths, each dispositions of said casing along arcuate paths, each of said form-parts having an interior recess forming a section of said axial passageway with an interior diameter exceeding said outside dimension of said tube.