Patent GB-190812783-A (GB)
Title: Improvements in the Manufacture of Chenille Pile Bands.
Inventor: AHORN JOHANN
Filed: 1908-06-15
Granted: 1908-12-03
Abstract: 12,783. Ahorn, J. June 15. Chenille. - Each section of a woven fabric, which is separable l o n g i - tudinally into chenille strips suitable for use in the manufacture of carpets, comprises four warp threads 1, 2, 1<1>, 2<1>, Fig. 7, pairs of which are twisted together in oppos i t e directions in such a manner that the warps of each pair cross once between every two pile threads, permanent twist in the individual warp threads being avoided by giving each of them a temporary t w i s t before the are twisted together. The twisting of the warps causes t h e ends of the pile threads to turn towards the same side when the strips have been separated. Loom creel frames ; shuttleless l o o m s ; shedding- motions.-The warp threads are drawn from bobbins 4, 5, Fig. 1, each pair of which is mounted on a rotating part 3 to give a temporary twist to the threads. The shedding and second twisting operations are performed by rotating disks 8, 8<1>, Fig. 2, having holes 9 for the warps. T h e disks rotate in the same direction, the pairs of threads intended to form one section of the fabric being passed through the disks from opposite sides in order to produce opposite twists. The pile threads are drawn through the sheets by grippers. Weft, supplying in shuttleless looms.-The different kinds of pile threads pass through thread guides 14, Figs. 1 and 5, mounted on flexible steel bands 15, which pass over guides 16,17,18. The particular thread required is drawn down opposite the shed by a lever 19, operated by patternmechanism. When the paper pattern 22 permits the descent of one of the pins 24, a draw-blade, which rests upon the pin 24 and is connected to the lever 19, also falls and is moved to the left by the draw-bar 30 driven from the shaft 20, which is oscillated from the shaft 44 by means of the connecting-rod 32. The pin 24 is disengaged from the pattern 22 by the camactuated bar 26. Additional draw-blades q controlled by the pattern 22 operate mechanism for causing the successive insertion of any number of picks of the same thread without shifting the pattern 22. When one of the blades q is moved to the left by the draw-bar 30, it allows one of a number of spring-pressed levers d to turn and move a bar g to the right, so that its end h engages one of a number of cams o on a shaft 35, which is turned, against the action of a spring &c. 48, by a cam 45 and segment lever 42. The cam o pushes a pivoted part k laterally, and thus causes the pin m on a wheel n to engage a toothed wheel r. When one of the pins s on the wheel r contacts with an incline t on the bar g, it pushes back the bar and frees the cam, thus allowing the shaft, 35 to turn and carry a pin 38 into position for operating a clutch, which causes the shaft 44, from which the pattern barrel is driven, to make one revolution. The bars g, cams o, and wheels r are arranged to give an additive effect, and the wheels r are so constructed that any number of picks of the same weft, up to a hundred, can be obtained without moving the pattern barrel, by the use of seven additional draw-blades q.