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    • 2. 发明授权
    • Electronically heat sealed foot covering
    • 电热密封脚套
    • US3258860A
    • 1966-07-05
    • US29789663
    • 1963-07-26
    • MYRON WINSONJONATHAN WINSON
    • MYRON WINSONJONATHAN WINSON
    • A43B1/10A43B9/20A43B23/02
    • A43B9/20A43B1/10A43B23/0255
    • 1,065,119. Boots &c. M. WINSON and J. WINSON. Aug. 4, 1964 [July 26, 1963], No. 30870/64. Heading A3B. A foot covering made from thermoplastic sheet material comprises upper and lower portions 2, 3, joined together by a heat seal 11 using a flat die electrode, the lower portion forming at least a part of the side wall of the finished foot covering. In a first embodiment the upper portion 2 is formed from two pieces of thermoplastic sheeting joined along an instep seam 7 and a counter seam (14). A pair of these foot coverings are made together as follows: first two sole blanks 4 are heat sealed to a sheet (20) (Fig. 13, not shown). A double upper assembly is then formed from blanks (30, 31, 32) heat sealed together along the two instep seams 7. This double blank is then heat sealed along seams 11 to the double sole blank and the waste material (41a) is torn away leaving the two assemblies separate. Each assembly is then flattened and the counter seam (14) is heat sealed. The assembly is then returned to its normal shape and a heat seal (9) around the heel is formed and the excess material removed. The foot covering is then turned inside out and is ready for use. If desired the foot covering may be placed on a last and heated to a temperature of about 100‹F. In a second embodiment (Fig. 3, not shown) a ballerina type slipper is made by a similar method without an instep seam by using a single blank (15) to form the upper. In a third embodiment (Fig. 23, not shown) single upper blank is closed by an instep seam (107) and is heat sealed to a sole blank along a seam (111).
    • 6. 发明申请
    • FOOTWEAR SOLE CONSTRUCTION
    • 鞋类结构
    • US20070295451A1
    • 2007-12-27
    • US11425764
    • 2006-06-22
    • Charles C. Willis
    • Charles C. Willis
    • C09J5/00
    • A43B9/16A43B7/144A43B9/20A43B13/12A43B13/14
    • A footwear adhesion system including a thermoplastic film, a sole component, and a footwear component. In one embodiment, the thermoplastic film is a thermoplastic polyurethane (“TPU”) film. The film is sandwiched between the sole component and the footwear component. The film may be activated, for example, by high frequency welding, to form a bond between the sole component and the footwear component without releasing the amount of volatile organic compound emissions typical with conventional adhesives. Use of the film reduces or eliminates the need for conventional environmentally unfriendly cement in footwear construction.
    • 一种鞋类粘合系统,包括热塑性薄膜,鞋底部件和鞋类部件。 在一个实施方案中,热塑性膜是热塑性聚氨酯(“TPU”)膜。 薄膜夹在鞋底部件和鞋类部件之间。 例如,可以通过高频焊接来激活膜,以在鞋底部件和鞋类部件之间形成粘合,而不会释放常规粘合剂典型的挥发性有机化合物的排放量。 使用薄膜减少或消除了在鞋类结构中常规环保不友好的水泥的需要。