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PJSARAGGO. Patented Jan. 3, 1911

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PJSARAGGO. Patented Jan. 3, 1911 PJSARAGGO. APPARATUS FOR REWINDING SILK. APPLICATION FILED JUNE 2a, 1909. Patented Jan. 3, 1911. 980,682. 2 SHEETS-‘SHEET 1. P. SARAGGO. APPARATUS FOR REWINDING SILK.‘ APPLICATION FILED JUNE 26, 1909. 980,682. ' ‘ Patented Jan. 3, 1911. 2 SHEETS-SHEET‘ 2. _ 1271226222222" 34? Z12 ‘9,85 2,3 Pz‘eifo ,Sczraoco UND vSi PATEN! OFFICE. PIETRO SARACCO, 0F SALUZZO, ITALY. APPARATUS FOR REWINDING SILK. 980,682. Speci?cation of Letters Patent. Patented Jan. 3, 1911. Application filed June 26, 1909. Serial No. 504,589. To all whom it may concern: organzines, for it permits of high speed not Be it known that I, PIE'I‘RO SAnAcoo, a withstanding the tendering of the thread subject of the King of Italy, residing at Sa due to dyeing. luzzo, in Italy, have invented certain new The accompanying drawings illustrate an 60 and useful Improvements in Apparatus for apparatus according to this invention. Rewinding Silk, of which the following is Figure 1 is a side elevation; Fig. 2 is a a speci?cation. front elevation; Fig. 3 is a plan of a reel on This invention relates to an apparatus which the silk thread is wound if a skein is for performing the operation which follows to be formed; Fig. 3”‘ is an elevation of the 65 10 the reeling of silk and consists in re-winding same, partly in section. Fig. 4 is a plan of the skein to form another skein or a bobbin a drum suitable for holding the skein which destined for use on the spinning or weav is to be re-wound; Fig. 5 is a detail of the ing machine. brake which serves to eliminate slime and The invention also provides a brake of thin places; and Fig. 6 is an elevation of a 70 .15 special construction for the purpose of elim— device used in forming a bobbin. Figs. 3-4‘) inating slime and thin places, and a polisher are drawn to an enlarged scale compared consisting of metal aws which removes ad with Figs. 1 and 2. hering impurities. The machine comprises a frame 1 with a In existing practice the skeins from the driving shaft 2 for transmitting the power -20 reeling machine, that is to say, the throwing from the pulley 3 to the shaft 4, which operation, are conveyed to the winding ma drives the bobbins 5 or the reels 6, and to the chine and placed on reels whence they are shaft 7 , which, through the cam wheel 8 and wound 011 to other reels or bobbins, the un the rod 28, operate the eyes, not shown in winding from the ?rst reels being performed the drawing, which guide the thread on the 80 25 by tension on the silk causing these reels to bobbins. rotate. This method necessitates low speed The reels 6 are rotated by frictional con in order that the tension may not rupture tact between their peripheries and the shaft the thread; moreover, should there be a rup 4, and the bobbins 5 by contact between the ture it is difiicult to ?nd the broken end be wound silk and the shaft 4. The pressure 85 30 cause the reel remains in rotation owing to necessary for maintaining the reels or the its inertia. bobbins against shaft 4 may be produced in According to the present invention these any suitable manner such as by mounting two troubles are avoided by mounting the them in frames 9 subject to the action of skein which is to be re-wound on a station— springs 10. 90 35 ary drum from which the thread is simply The skein from the reeling machine is lifted as it is wound up on the reel or bob placed on the drum 11 which is simply bin that is to carry it; thus the re-winding rested with its axis vertical on the table 11’ can be conducted at a high speed. The drum of the machine. The thread which, as on which the skein is mounted may consist already stated, is lifted instead of being un 95 40 of a strip of metal, wood or cardboard, wound from the skein, passes ?rst over a rolled up to form a cylinder and sufficiently brake where it is freed of slime and thin elastic to keep the skein lightly stretched. places. This brake, mounted on an arm 12 This stationary drum will be placed with its of the machine, consists of a stationary ' drum 13 having its c lindrical surface cov 100 axis perpendicular to the axis of the reel or ‘1 - bobbin. Thus when the thread breaks the ered with felt and provided with a rack bar end will generally fall into the drum, where 14. At suitable points on this bar are piv it is easily found. In any case the operation oted two arms 15, 16 to which are pivoted of seeking the end is considerably facilitated pawls 15’, 16' respectively; these latter en by the fact that the skein is on a stationary gage in the teeth of the rack bar 14. The 105 drum and may be handled easily. The arms 15, 16 carry supports 17, 17’ respec greater speed of operation and the ease with tively for the thread so that the thread leav which broken ends can be found lead to con ing the drum 11 passes over support 17, winds siderable economy by diminishing manual around the drum 13 (Fig. 5) and then passes operation and losses of silk. over support 17’. By this arrangement the no 55 The apparatus may also be advanta friction of the thread on the drum can be geously adopted for winding trams and dyed modified, by varying the length of the por 980,6sé tion in contact with the drum, so as to suit carrying the skein to be rewound, a brake 60 the grade of thread, its elasticity and its wheel disposed above said drum, a reel upon tenacity. Thus, in order to increase the which the thread unwound from said drum friction the arms l7, 17’ are raised by en is to be wound, the thread engaging said gaging pawls 15’, 16’ in teeth higher up the brake wheel on the way from said drum to rack bar 14, so as to make the thread pass said reel, arms pivotally connected to said completely around the drum or if necessary brake wheel, means for guiding the thread somewhat more than once around; on the on said arms, means for varying the an other hand, when pawls 15’, 16’ are engaged gular position of said arms with respect to in teeth lower down the rack bar 14 the each other, and means for imparting rota— thread does not pass completely around tory motion to said reel. the drum. When it leaves the brake, the 2. An apparatus for rewinding silk com thread passes through a polishing device prising in combination a stationary drum consisting of metal jaws l8 and is then carrying the skein to be rewound, a brake 15 wound up on the reel 6 or on the bobbin 5 wheel disposed above said drum, a reel upon (Fig. 2) set in rotation by shaft 4. which the thread unwound from said drum 75 The reel 6 consists of a ring 19 (Fig. 3) is to be wound, the thread engaging said carrying pins 20 perpendicular to its plane brake wheel on its way from said drum to on which the skein is formed; one of the said reel, a rack bar depending from said 20 pins is mounted on a block 21 adapted to be brake wheel, arms pivotally connected to shifted radially on the ring and to be held said wheel and adapted to engage the teeth 80 in position by a thumb-screw 22 accommo of said rack bar, means on said arms for dated in a slot in the ring. This construc guiding the thread over said rack bar, and tion is to facilitate the removal of the skein means for imparting rotatory motion to said 25 by allowing it to be slackened by shifting reel. the block 21 toward the center of the ring. 3. An apparatus for rewinding silk, com 85 For forming a bobbin there may be used prising in combination a stationary drum, a small tube 23 (Fig. 6), which may be of said drum being provided with thread re aluminium for instance, and this may be taining means at the lower end and being given the form of a bobbin for subsequent free of such means at the upper end and operations by mounting on its ends flanges having a resilient wall adapted to keep the 90 24 of wood or metal. skein wound thereon under tension, a brake This drum designed for carrying the disposed above said drum, a reel upon which skein that is to be re~wound consists of a the silk unwound from said drum is to be metal sheet rolled into the form of a cylin wound and means for imparting rotatory der and having at one end projections 25 motion to said reel, the thread engaging to support the silk. In order that the drum said brake on its way from said drum to may have a certain spring, the ends of the said reel. sheet of metal of which it is composed are 4. An apparatus for rewinding silk com 40 only engaged together by folds 26, 27 (Fig. prising in combination a stationary drum 4) so that by squeezing the drum its diame carrying the skein to be rewound, said drum 100 ter may be somewhat reduced to allow the being provided with thread retaining means skein to be put on it, after which the drum at the lower end and being free of such can expand up to the limit set by the folds, means at the upper end and having a re 45 and the skein is kept taut without being rup silient wall adapted to keep the skein wound tured when it has been nearly unwound.
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