US1651339A - Splice - Google Patents

Description

Nov. 29, 1927.

s. E. CARNEY sPmcE A Filed March 1`o, i927 ya 'krieg Patented. Nv.v29,i927. y y llgf kSAMUEL EVERT CATRNEY, or wick, weer VIRGINIA, nssrenoitn cii-'Itfr :rotin Y ivi. Roline? CAMBRIDGE, oHIo. f n' Y sILICE.

' Appiication fue@ Marcil 10,2192?. semina. 174,363.

This invention` relates to splicesl and more cut away, leaving only two or three strands particularly to a splice between flexiblecable thereof, which extend to the lower endgof and rope and a inea-ns for protecting the the splice. It will be obvious thatjvhe'nthe saine. `f rope strands are wound aboutv a cable ife-" to provide a device of this character which rope in the complete splice will increase at will protect the rope at the splice against two points l() and 1l. The freer-"ends ofthe the fraying ordinarily occurring` due to con-` strands of the rope are usuallythinned betact of the rope with the wall/of a bore fore wrapping the saine abouttlie cable, withv through which it is passing. the result that the upperhe'ndlof the vsplice 05 y In oil. well ydrilling apparatus, splices of tapers, as more clearly indicated yat 1Q. .I l

this character are very often employed-and In accordance with my invention,- I vproyas is well known to those familiar with the vide metallic sleevesl 13 and llllif'ittiiig the arti, thebore of anioil well is usually very rope closely att-he enlargenjients and ll crooked, so that there is a natural tendency and secure these sleeves-in` position upon the 70 of the splice to come into contact with the rope by securing elements` l5 extending casing. This tendency is increased by the through the metal sleeve and into the strands tendency of the rope and cable to cwhip of the rope. in operation. the formation of the splice Upon the tapered upper end 12, I secure a Y0 causes the effective diameter of the ropeto conical sleeve 16, the upper end of which 75 increase at the splice, this part, which is has an internal diameter equal to the diamnaturally weak, is subjected to an unusual eter of the cable C and the lower end of wearing strain, with the result that the rope which has an internal diameter equal to the will break at the splice. Accordingly, an diameter of the rope at the lower end of the 515 important object of the invention is to prog conical portion of the splice. This sleeve S0 duce a. protection for the rope at the splice, may be slid upon the cable C before the splice preventing this contact. is formed and upon completion of the splice A further object of the invention is to is moved downwardly over the tapered porproduce a protecting` device which 'will not tion and secured by securing elements 17 ex- :l0 in any way interfere with the passage of a tending into the strands of the rope. 85

rope knife over the splice. A structure of the above character, in ad- These and other objects I attain by the dition to protecting the rope against external coi'istiaiction` shown in the accompanying wear, serves the additional function of pre-- drawings, wherein forv the purpose of illusvent-ing the loose ends of the cable strands tration is shown a preferred embodiment oi from cutting the strands of the rope. In the 90 my invention and wherein ordinary construction of such a splice, these Figurel is a side elevation partially in loose ends must be seized, as otherwise the section of a. rope and cable splice embodyloose ends of the strands, when the rope ing protecting` devices constructed in ac' tends to bend at the point where the strands 40 coi'dance with luy-invention; y are located, will cut the liber of the rope 95 Figure 2 is an enlarged vertical sectional strands S and weaken the same to a point viewtheretlirough; cwhere theV rope will tend to part, even Figure 3 is a detail fragmentary side elevthough it is not externally frayed to a danvation of the cable showing the manner in gerous point. Breakage of this character is which some of the strands are cut away to more dangerous than that resulting from ex 100 reduce the size thereof. c ternal fraying, in that being invisible, the Referring now more particularly to the' breakage isV unexpected and proper precaudrawings, a splice between cable and rope tions may notrhave been taken, so that dani is usually formed by separating the strands age may result to those in attendance upon S of the rope and laying the cable C therein the drilling. I/Vith the structure which I em- 105 as a core. In order that the rope strands, ploy, the sleeves 13 and let stillenY the sections when rewound about this core, may not be of the rope within which the strand vends formed with too abrupt av shoulder at a are located, preventing flexing thereof and point intermediate the ends of the splice, a accordingly.preventing cutting. number of the strands S of the cable are Since the construction hereinbefore set 110 An, important object of the invention is duced iii this manner, the diameter of the y Y forth is capable ol' :L certain range of change und modification without nuiterinlly depart ing from the spirit of the invention, I do not limit myself to such speciiie structure eX- cept as hereinafter claimed.

1. The combination with :L rope to culole splice in which the cable is laid :is e core to the rope and is reduced in size intermediate the ends of the splice und the ends ol the rope strands are reduced in order that the splice muy taper at its upper end trom its largest diameter to the diameter of the cable, of e sleeve surroundingr und fitting the splice :it the end of the cable, :t second Sleeve surrounding und litlng thc splice nt the point Where the cable is reduced in Size, Suid first and second sleeves being;- et' :1 length preventing relative movement of the rope and cable at the end of the cable and et the point Where `the cable is reduced in Size, and a third tapered sleeve 'surroundingr und fitting the tapered end of the splice and coextensive therewith.

2. The combination with n rope to cable splice in which the czrhle is laid :is :L core to `the rope :uid is reduced in size intermediate the ends of the splice and the ends of the rope strands are reduced in order thut the splice may taper at its upper end .from its largest diameter to the diameter of the cable, of e sleeve surrounding and litting the splice at the end of the cable, a second sleeve surroumliire/r end itt'ing the Splice at the point where the cable is reduced in size, Said first and second sleeves being of :t length pre Venting relu/tire movement of the rope :1nd cuhle uit the end ol the cable :ind et the point where the cable ,is reduced in Size, :i third tapered Sleeve surrouiuling :md fitting the tapered end olE the Splice, :rnd securingr :1nd coextcneivc therewith clenients exteiul- 0d through cach oit luid sleeves and into the strands of the rope, said securing elements being of such length that they d0 not enter the cable.

In testimony whereof I hereunto ufix` niy Signature.

SAMUEL EVERT CARNEY.

Images