FR2664251A1 - SLEEPING DEVICE FOR LIFT A SPOOL OF WIRE, RIBBON OR OTHERWISE. - Google Patents

Abstract

The device comprises a sling (8) formed by a bundle of steel wires bent in a U, the core of which passes through the central hole of the spool and the branches of which are extended by loops (10, 11). According to the invention, the sling (8) cooperates, on the one hand, with a protective element (13) shaped as an omega and interposed between this sling and the coil (1), on the other hand, a cross member bracing (14) resting on the outer casing (7) of said coil and on the wings (18, 19) extending from the protective element to which the ends (20, 21) thereof are fixed. The loops (10, 11) of the sling (8) pass through openings (32, 23, 34, 24) provided opposite in the wings (18, 19) of the protective element (13) and in the ends (20, 21) of the spacer cross member (14), each opening (23, 24) of this cross member having two notches (29, 30, 31, 32) in which the two rising sides of the corresponding loop (10, 11) are held captive while remaining free to slide therein, by a spacer valve (25, 26) belonging to said cross member and capable of being engaged or released from the loop in question.

Description

Eliiging device for lifting a spool of thread, tape or other.

  The present invention relates to a sling device for lifting a spool of yarn, ribbon or the like whose contiguous turns are held tight by equiangularly distributed hooping strips and surrounding said turns through

the central hole of the coil.

  A known device comprises a sling constituted by a bundle of steel son joined together from place to place by ligatures, bent in a U and extended, at their free ends, by loops Such a sling can be passed through the hole central of the coil, so that its branches extend against the flanks thereof with their loops located above, a protection being interposed between said sling and said

coil.

  To lift the spool with a single hook in which the two loops are passed, the branches of the sling must

  converge towards each other at an angle at most equal to 600.

  Therefore, these branches are relatively long and require

  relatively significant yarn consumption.

  Moreover, when the coil is unloaded, the sling must be removed or if it is left in place, it may be damaged when loading the neighboring coils Anyway, it is difficult to position it after unhooking so that the subsequent snap can be correctly and quickly executed. In addition, during the overhead movement of the reel, its

  positioning and balance are not ensured in the best

their conditions.

  The present invention aims to remedy these inconveniences.

  by restricting the amount of thread used to constitute

  the sling, by positively bracing the loops in order to stabilize

  the equilibrium of the coil during its flight, in

  combining the sling with the spool to make it captive and

  instantly available, allowing the buckling of the loops and thus avoiding their deterioration during the storage of the coils,

  in the hold of a ship for example.

  For this purpose and in accordance with the invention, the sling cooperates, on the one hand, with a omega-shaped protection element and interposed between this sling and the coil, on the other hand, a cross bracing resting on the outer casing of said coil and on the wings in extension of the protective element to which the ends of the cross member are fixed; the loops of the sling pass through openings provided opposite in the wings of the protective element and in the ends of the cross brace, each opening of this crossbar having two notches in which the two rising sides of the corresponding loop are held prisoner while remaining free to slide therein, by a spacer valve belonging to said cross-member and capable of being engaged or

cleared from the considered loop.

  According to an advantageous embodiment, the protective element and the cross member consist of a foldable semi-rigid material in which the openings are cut completely in the protective element and on only three sides in the cross-member to release the valves which are integral with said cross member by the fourth side along which is formed by flattening an integrated hinge, each valve being directed inwards and raised to completely release the opening when introducing a loop, then lowered to

  through the loop to ensure its maintenance.

  More particularly, the protection element and the cross member are constituted by a flat tubular element internally partitioned, extruded plastic material based in particular

a copolymer polypropylene.

  The ends of the cross member and the wings of the protective element being integral with each other are folded against the branches of said element and fixed at the edges thereof to form holding sheaths in which the

  loops are likely to be retracted by sliding.

  Various other features and advantages of the invention

  Moreover, they emerge from the detailed description which follows.

  One embodiment of the subject of the invention is shown, by way of non-limiting example, on the drawing.

Annex.

  In this drawing Figure 1 is a perspective showing a sling coil with the device according to the invention; Figure 2 is a partial perspective on a larger scale of detail designated by the arrow F in Figure 1; Figures 3 to 6 are partial sections taken at

  larger scale along line II-II of Figure 1, illus-

  different phases of the device

on the reel.

  The load 1 to sling is constituted by a coil of wire, ribbon or other, whose contiguous turns are held tight by strapping bands 2 passed through the central hole 3 of the coil and surrounding the turns thereof thereof. 2 are at least three in number and are divided into

  equiangular way; they are applied and tight against the enve-

  inner loom 4, the flanks 5, 6 and the outer surface 7 of

the coil.

  The slinging device comprises, first of all, a sling 8 constituted by a bundle of steel wires 9 (FIGS. 2 to 6) folded in a U-shaped manner, forming loops 10 and 11 at their ends and joined together. in place, as well as to close the

loops, by ligatures 12.

  It also includes a protection element 13 and a

  cross bracing 14 cooperating both with the sling 8.

  The protective element 13 is shaped in omega so that its core and its branches 16, 17 are applied against the inner casing 4 and the sides 5, 6 respectively of said coil and that its wings 18, 19 extend in alignment. from each other to

  outside and extend the outer casing 7 of this coil.

  The cross brace 14 is placed on said outer casing and its ends 20, 21 cover the wings 18, 19 of the protective element to which they are attached by means of

of staples 22, glue or the like.

  In the example shown in the drawing and as clearly shown in FIG. 2, the element 13 and the cross member 14

  are formed by a flattened tubular section flattened internally

  produced by extrusion of a semi-rigid plastic material.

  In particular, the plastic material used may be based on a

  polypropylene copolymer as is the case for

  marketed under the name "Akylux" by the Kaysersberg Company, plates in which the element may be debited

13 and the transom 14.

  The cross member 14 delimits two openings

  trapezoidal plates 23, 24 obtained by cutting on three sides and releasing

  two valves 25, 26 which normally close off said openings

  These valves are directed toward each other and connected to the rest of the cross member by integrated hinges 27, 28 obtained by crushing the plastic material along the fourth side of said valves The hinges 27, 28 are located at the plumb branches 16, 17 of the protection element 13 and extend between

  two notches 29, 30, respectively 31, 32.

  The notches 29, 30 are intended for the passage of the global sides.

  loops of loop 8 of sling 8, sides which while being

  free to slide, are kept apart from one another and

  By analogy, the notches 31, 32 are intended for the passage of the rising sides of the other loop 11, sides, which while being free to slide, are kept apart from one another. and prisoners of the said

notches by the valve 26.

  Of course, the U-shaped arched sling 8 is fitted, after having passed through the central hole 3 of the coil, on the protective element 13 and its loops 10, 11 extend against the branches 16, 17 of this element. loops can be introduced into the openings 23, 24 of the cross member 14, they must first pass through openings 33, 34 cut opposite in the wings 18, 19 of said element 13 These openings 33,

  34 are in the form of narrow lights.

  The assembly of the slinging device is illustrated by the

Figures 3 to 6.

  The protection element 13 and the cross member 14 being laid

  and stapled on the spool 1 as indicated in what precedes

  gives way, the sling 8 is in turn put in place.

  The valves 25, 26 of the cross member being raised (Figure 3), the loops 10, 11 are engaged in the openings 33 and 23, 34 and 24 and their rising parts engage, because of the slope of the edges of the openings 23 and 24, in the notches 29 and

, 31 and 32.

  Then, the valves 26 are folded down (FIG.

  to the loops 10, II until they close the openings

23, 24.

  The wings 18 and 19 of the protection element 13 and the ends 20, 21 of the cross member 14 which cover them, are folded (FIG. 5) against the branches 16 17 of said element and are fixed thereto by means of staples 35 for example by forming

thus sheaths.

  Therefore, it is possible to retract the loops 10, Il when not used (Figure 6) For this purpose, they are pushed down in the ducts until abut against the valves 25, 26 and 25. soul of the sling moves away from that of

element 13.

  It is obvious that the element 13 and the cross member 14 can be made differently. For example, they can be

  made of plastic or metal profiles, in

  which passages formed for the loops, cooperating with mounted valves, pivoting or sliding, may be engaged in said loops to keep them locked and open.

Claims (4)

  A sling device for lifting a spool of yarn, ribbon or the like whose contiguous turns are held tight by equiangularly distributed hooping strips (2) and surrounding said turns through the central hole (3) of the spool. (1), the device comprising a sling (8) formed by a bundle of U-folded steel wires (9) whose core passing through this central hole is disposed against the inner casing (4) of said coil and of which the branches extend over the flanks (5, 6) thereof and are extended by loops (10, 11) projecting above, this device being characterized in that the sling (8) cooperates, on the one hand, with a protective element (13) shaped in omega and interposed between   this sling and the spool (1), on the other hand, a traverse of   roof (14) resting on the outer casing (7) of said spool and on the wings (18, 19) extending from the protective element to which the ends (20, 21) of the cross member are fixed,   and in that the loops (10, 11) of the sling (8)   pour openings (33, 23, 34, 24) provided opposite in the   wings (18, 19) of the protection element (13) and in the   mites (20, 21) of the crossbar (14), each opening   ture (23, 24) of this crossbar having two notches (29, 30, 31,   32) in which the two upstanding sides of the buckle correspond to   Dante (10, 11) are held captive while remaining free to slide therein, by a spacer valve (25, 26) belonging to said cross and may be engaged or disengaged from the loop considered. 2 sling device according to claim 1, characterized in that the protective element (13) and the cross member (14) consist of a foldable semi-rigid material in which the openings (33, 23, 34 , 24) are cut completely in the protection element (13) and on only three sides in the crossmember (14) to release the valves (25, 26) which form part of said crossmember by the fourth side, along which is formed by flattening an integrated hinge (27, 28), each valve being directed inwardly and raised to completely release the opening upon introduction of a loop, and then lowered through the loop to maintain it. 3 sling device according to claim 2, characterized in that the protective element (13) and the cross member (14) consist of a flat tubular element internally partitioned, extruded plastic material based in particular on a polypropylene copolymer.   4 sling device according to claim 2 or 3, characterized in that the ends (20, 21) of the cross member (14) and the wings (18, 19) of the protective element (13) forming one body with the others are folded against the branches of said element and fixed in border on them to form   holding sheaths in which the loops (10, 11) are suspended   can be retracted by sliding.