Page 65 - Wire Rope News & Sling Technology - December 2019
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 Sea  Link  Wooden  Shell                                     the outer periphery of the inner layer strands, wherein ten
           As best seen in figure 13, a transition groove 30 joins and
                                                              of each of the inner layer strands and the outer layer strands
         is provided between the circular channels 22 and 24 and the
 Construction  &  Fishing  Blocks                             are prepared, the diameter of the center strand, the diameter
         continuous helical groove 26. When the rope 12 is installed,
                                                              of the inner layer strand and the diameter of the outer layer
         the transition groove 30 assures that there is no abrupt bend
         between the circular  channels  and the helical  groove  26.   strand are respectively 0.33-0.35 times, 0.13-0.15 times and
         Also as seen in figure 13, a transverse groove 32, substan-  0.22-0.24 times as large as the diameter of a first imaginary
 S Siinnggllees  •  Ds  •  Doouubblleess • •   T Trriipplleess • •   R Reegguullaar  ar  annd  Hd  Heeaavvy  Wy  Wooooddeen  Bn  Blloocckkss  circle circumscribed around the outer layer strands, and a
         tially transverse to the continuous helical groove 26, extends
         from and is connected to the helical groove 26. In addition,   fill factor is 64-67%.
         a protrusion or post 36 extends radially from the cylindrical   As shown in figure 18, a rope for an elevator according to
         body 14 so that the rope in the continuous groove 26 will   an aspect of the present invention includes a center strand
         be bent around the post 36 and be inserted under the rope   10, an inner layer strand 20, and an outer layer strand 30.
         windings in the continuous groove 26.                The center strand 10 is disposed in the center of the rope for
           An attachment connector 34 extends from the second end   an elevator and is formed by twisting a plurality of wires 1.
         18 of the cylindrical body 14. In the preferred embodiment   The plurality of wires 1 are made of steel. The inner layer
         shown, the attachment connector has an eye having an axis   strand 20 is disposed along the outer periphery of the center
         substantially perpendicular to the axis of the body 14. The   strand 10, and according to the present embodiment, ten in-
         eye  of  the  attachment connector  34  is  within  and passes   ner layer strands 20 are prepared. Each of the inner layer
         through the circular channels 22 and 24. The eye of the at-  strands 20 is formed by twisting the plurality of wires 1.
         tachment connector may be used for attachment to lifting or   The outer layer strand 30 is disposed along the outer pe-
         hoisting equipment.                                  riphery of the inner layer strand  20, and according to the
                                                              present embodiment, ten outer layer strands 30 are prepared
         Rope for elevator and manufacturing method therefor  as in the case of the inner layer strand 20. Each of the outer
         Pat. 10,443,191 U.S. class 1/1 Int. class D07B 1/06  layer strands 30 is also formed by twisting the plurality of
 All  Material  Factory  Certified                            wires 1. A diameter of the center strand 10, a diameter of the
         Inventor: Sung Hee Hong, Busan, KR., Yeon Hwan Bae,
 Wooden  Shell  Blocks  3”  to  16”                           inner layer strand 20 and a diameter of the outer layer strand
         Gyeongsangbuk-do, KR.
         Assignee: Kiswire Ltd., Busan, KR                    30 are respectively 0.33-0.35 times, 0.13-0.15 times and 0.22-
 For  more  Associated  Wire  Rope  &  Rigging,  Inc. Waterman  Supply  Co.,  Inc.  0.24 times as lame as a diameter of a first imaginary circle
           The  present  invention  relates to a rope for  an elevator.
 information,  8125  Saran  Drive,  Playa  Del  Rey,  CA  90293  910  Mahar  Ave.,  Wilmington,  CA  90748  40 circumscribed around the outer layer strands 30, and a
         The rope for the elevator comprises: a center strand formed
 contact:
                    Ph:  1-800-322-3131  Fax:  310-522-1043
 Ph:  1-800-901-1135  Fax:  310-448-5446 by twisting a plurality of wires; inner layer strands formed   fill factor is 64-67%. By preparing ten inner layer strands 20
 Email:  awrrinc@earthlink.net  by twisting the plurality of wires and arranged along the   and ten outer layer strands 30, a contact surface area with
                    Email:  waterman@bigplanet.com
         outer periphery of the center strand; and outer layer strands   a sheave may be increased compared to a conventional rope,
         formed by twisting the plurality of wires and arranged along                          continued on next page
 Wire  Rope  News  &  Sling  Technology          August  2006  37 Wire Rope News & Sling Technology   December 2019  65
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