Page 65 - Wire Rope News & Sling Technology - February 2020
P. 65

INVENTOR’S CORNER



                                                                                               GK8
                                                                                                   Grade 80
                                                                                                  by THIELE
                                                                 GRADE 80 & GRADE 100
                                                                 OBLONG MASTER LINKS & ASSEMBLIES


                                                                 NEW RATINGS & NEW SIZES
 4HE /NE  4HE /NLY  4HE "EST                                     •   HIGHER WLL
                                                                 •   Grade 80 Master Links now available up to diameter 4 ¼”
                                                                 •  Grade 100 Master Links now available up to diameter 2 ¾”





 The Fastest and Most Reliable Method of Swaging
 Flemish Eye Wire Rope Slings in the World.                         TWN 1803       TWN 1804         TWN 1815
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                                                                 KWS Inc.     Toll Free 800-872-9313
                                                                 P.O. Box 470487  phone    (918) 665-4114  www.kwschain.com
                                                                 Tulsa OK 74147  fax           (918) 665-4118  sales@kwschain.com

 Sea  Link  Wooden  Shell                                     tageously, thanks to the sliding of the flexible cable 11 in
         the following, respectively the two end portions of the flex-
                                                              the two sleeves  14 and  15 and the consequent tightening
         ible cable 11 that form, at the ends of the safety device 10,
 Construction  &  Fishing  Blocks                             of the two eyelets 12, 13 on the two parts, the safety device
         the first and the second attachment eyelets 12 and 13; and
         two terminals, respectively 16 and 18, which are provided
                                                              10, when intervenes following a breakage or a fault in the
         at opposite ends, respectively 11a’ and 11b’, of the flexible   connection zone between these two parts, is also suitable to
         cable 11 of the safety device 10.                    effectively dampen and dissipate the energy and dynamic
 S Siinnggllees  •  Ds  •  Doouubblleess • •   T Trriipplleess • •   R Reegguullaar  ar  annd  Hd  Heeaavvy  Wy  Wooooddeen  Bn  Blloocckkss  stresses which develop and are released in such events of
           According to a salient feature of the present invention, the
         safety device 10 is configured in such a way that, when a   breakage and fault.
         rupture or a burst or in general a trouble occurs in the con-  Advantageously, both the first sleeve 14 and the second
         nection area between the two parts, subject to pressure, to   sleeve 15 are calibrated, i.e. are constructed so as to close
         which the safety device 10 is attached, the flexible cable 11,   and tighten the flexible cable 11 of the safety device 10, in
         because of the traction force to which  it is subjected as a   order to form the two eyelets of attack 12 and 13, with a spe-
         result of the rupture or fault, is subject to slide in the two   cific calibrated tightening force, however suitable to allow
         sleeves  14  and  15,  whereby  the  two  terminals  16,  18  are   the sliding of the flexible cable 11 in the two sleeves 14 and
         urged so as to cooperate in contact with the two correspond-  15 in the event of intervention of the safety device 10 follow-
         ing sleeves  14 and  15, thereby tightening the two eyelets   ing a break or another trouble in the pipeline or equipment
         12 and 13 of the safety device 10 around the two parts to   in pressure to which the safety device 10 is attached.
         which  the safety device  10 is attached. Therefore,  advan-  In  this  way,  i.e.  thanks  to  this  calibrated  configuration,
                                                              the two sleeves 14 and 15 are adapted to control the sliding
                                                              of the flexible cable 11 in the two sleeves 14 and 15, i.e. to
                                                              determine and control  precisely  the friction  force  that op-
                                                              poses that sliding and consequently also control the degree
                                                              of damping, applied by the safety device 10, of the energy
 All  Material  Factory  Certified                            which develops and is released at the time of a break or in
 Wooden  Shell  Blocks  3”  to  16”                           general a trouble in the zone of connection between the two
                                                              parts, of the structure made safe by the device 10, on which
 For  more  Associated  Wire  Rope  &  Rigging,  Inc. Waterman  Supply  Co.,  Inc.  the safety device 10 is installed. Constructively, the flexible
 information,  8125  Saran  Drive,  Playa  Del  Rey,  CA  90293  910  Mahar  Ave.,  Wilmington,  CA  90748  cable 11 of the safety device 10 can be of metallic or non-me-
 contact:  Ph:  1-800-901-1135  Fax:  310-448-5446  Ph:  1-800-322-3131  Fax:  310-522-1043  tallic type, or be constituted by a conventional rope. It is also
 Email:  awrrinc@earthlink.net  Figure 12: First photographic image showing the safety device of the   possible to realize the flexible cable 11 with tapes or strings,
                    Email:  waterman@bigplanet.com
         invention during a stage of preparation before being applied to the   with any type of material. Also the size of the flexible cable
         equipment.                                                                            continued on next page
 Wire  Rope  News  &  Sling  Technology          August  2006  37 Wire Rope News & Sling Technology   February 2020  65
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