Patent GB-190310510-A (GB)
Title: Improvements in the Manufacture of Indiarubber Rings or Gaskets and in Means for Applying them to Bottle Sealing Caps.
Inventor: KEIZER LEWIS M
Filed: 1903-05-08
Granted: 1903-10-15
Abstract: 10,510. Keizer, L. M. May 12, A.D. 1902, [date applied for under Patents Act, A.D. 1901]. Stoppers; capsules, bottle.-Relates to the manufacture of india-rubber rings or gaskets, and to means for applying them to bottle-sealing caps. The washers are formed by transversely cutting a length of rubber tube, which is fed to the cutters 18, 17 by the rollers 7, 8. The rollers flatten the tube, as shown at 13, Fig. 7, before it enters the guide-block 15, in which the flattened tube is cut into washer rings by the spiral cutter 18 acting in conjunction with the disc 17, which is slotted at the edge, as shown in Fig. 2, to permit the passage of the cutter. The cutter 18 is mounted on the rotary disc 16, and is rotated synchronously with the disc 17, so that the cutter 18 passes through the slots of the latter disc in succession, thus cutting off the rings and pushing them forwards through the passage 14', Fig. 6, which is shaped to permit the rings to return to circular form. To facilitate the cutting operation, the rubber is kept moistened by water delivered from the receptacle 61, Fig. 2, through the pet-cock 62 on to the disc 17. The rings are taken up in succession by the arms 2 on the rotary table 1, Fig. 2, or other suitable conveyer, which carry and apply the rings to the sealing-caps, the caps being taken up automatically on the arms 4 of the rotary table &c. 3, which brings them into position to receive the rings. Each of the arms 2 consists, as shown in Fig. 4, of a series of resilient fingers 28 on a stem 29 secured by a set-screw 31 in the socket 30. The recess in the stem 29 for the set-screw 31 may be extended to permit a slight radial movement of the arm. The fingers are surrounded by a sleeve 32, adapted to be moved outwards into the position shown in Fig. 4 by the cam 33, and to be retracted from that position by a second cam. In the retracted position, the fingers are constricted by the lip 38 of the sleeve engaging the inclined shoulders 39 of the fingers, this being the condition when the arm 2 takes up the ring from the cutting-mechanism. The arm 2 enters through the slotted plate 24, Figs. 6 and 7, and takes up the ring, which is pushed securely on the arm by the slotted plate 27 as the table moves round. As the arm moves into alignment with one of the arms 4, the sleeve 32 is moved outwards by the cam 33, so releasing the fingers 28 and permitting them to distend the ring, which is then pushed, by the further movement of the sleeve, on to the sealing-cap carried by the arm 4. Fig. 5 shows the means for controlling the delivery of the caps to the arm 4. The caps are contained in the shoot 44, and, in the normal position, the lower cap 48 is held, by the roller 45 on the spring controlled lever 46, in position to be taken up by the arm 4, the roller 45 also acting as a cut-off for the other caps. As the arm 4 moves round, it takes up the cap 48, which is pressed on the arm by the roller 45 in passing the latter, the roller and lever 46 being at the same time pressed back by the cap and arm, to permit another cap to fall into position. After the ring has been placed on the cap, the latter is removed from the arm 4 by the tangential stripper 42, Fig. 2, and falls into the delivery shoot 43.