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    • 21. 发明专利
    • Improvements in or relating to Tape Applying Machines
    • GB1198802A
    • 1970-07-15
    • GB3273766
    • 1966-07-21
    • BOSTON MACHINE WORKS CO
    • A43D8/00A43D8/04A43D8/16A43D8/32
    • 1,198,802. Binding insole edges. BRITISH UNITED SHOE MACHINERY CO. (Boston Machine Works Co.). 20 July, 1967 [21 July, 1966], No. 32737/66. Heading A3B. [Also in Divisions 84 and B5] A machine for applying a binder tape having an adhesive surface to the edge of a shoe insole includes means for feeding the insole and binder tape past a binder head which has an open groove which when the insole edge is pressed into it causes the tape to curl transversely and embrace the insole edge. Tape T passes round a roller 46 and along guide channels 48, 56 to a binder head 62. A feed foot plate 26 co-operates with an upper foot member 28 and a presser foot 30 to move an insole along step by step and to press the tape which has been wrapped round the insole edge by the binder head against the insole. The binder head and guide channels are mounted on a platform 40 which is vertically adjustable on the support 22 for the plate 26 so that insoles of different thicknesses can be centred in the groove in the binder head. The groove is of generally U-shape becoming increasingly deep from the end at which the tape enters the head. Extensions (118) of the walls (114) of the groove (Fig. 11 not shown) centre the tape in the binder head. The operator draws down a spring-biased blade (60), Fig. 4 (not shown) to sever the tape when a length sufficient for the insole being bound reaches a gap 58 between the guide channel portions 48 and 56, the blade (60) passing through the gap 58. A wiper pad 76 mounted above the gap 58 and being slit in alignment with the gap cleans the blade of adhesive as the blade descends for its cutting stroke. Feed means for advancing the leading end of the tape from the blade to the binder head for the next insole include a lever arm 88 carrying a plate 101 with teeth 102 which can be caused to dig into the tape by rocking movements of a finger plate 100, a tooth 106 and spring wire 108 also connected to the finger plate 100 keeping the tape flat as it advances in response to movement of the finger plate 100 to the left, as viewed in Fig. 1. An abutment 112 integral with the tooth 106 engages the support 22, terminating movement of the tape-advancing means when the leading end of the tape has passed the binder head 62. A spring (92) Fig. 3 (not shown) returns the lever 88 &c. to the initial position shown in full lines in Fig. 5. To accommodate tapes of differing widths an auxiliary guide channel (122), Figs 8 and 9 (not shown) can be fitted in the guide channel 48.