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    • 3. 发明授权
    • Ultrasonic splicing of photographic film strips
    • 超声波拼接摄影胶片条
    • US06835259B1
    • 2004-12-28
    • US10716156
    • 2003-11-18
    • Thomas M. SmithFrederick J. OlesonRobert W. EasterlyJan A. Chrisler
    • Thomas M. SmithFrederick J. OlesonRobert W. EasterlyJan A. Chrisler
    • B32B3116
    • B29C66/836B29C65/08B29C66/1122B29C66/43B29C66/71B29C66/73161B29C66/73921B29C66/8362B29C66/9221B29C66/9241B29C66/929B29C66/934B29C66/939B29K2001/12B29K2031/04B29K2033/04G03D15/043B29K2067/003B29K2067/00
    • In accordance with one embodiment of the invention, a method is described for ultrasonically splicing together overlapping ends of first and second lengths of photographic film strips of common film strip width with a film splicer employing a stationary elongated ultrasonic horn positioned on one side of the overlapping film strip ends in the width direction and a relatively movable anvil positioned on the opposite side of the overlapping film strip ends which traverses across the overlapping film ends by sliding or rolling in the length direction of the horn while the horn is ultrasonically vibrated and which provides pressure to the overlapping film ends while traversing across the overlapping film ends such that ultrasonic energy from the horn is transferred to the overlapping film ends effecting an ultrasonic weld between such film ends, wherein one of the first and second lengths of photographic film strips comprises an acetate based film strip and the other of the first and second lengths of photographic film strips comprises an acetate based film strip or a polyester based film strip, and wherein the product of the anvil pressure and anvil traverse rate is less than 6.0 kg,mm/sec when the anvil is slid across the overlapping film ends and less than 3.5 kg.mm/sec when the anvil is rolled across the overlapping film ends. The method enables the use of existing commercially available ultrasonic splicers to splice either polyester-based films to acetate-based films or acetate-based films to themselves and provide an adequate level of splice strength and smoothness.
    • 根据本发明的一个实施例,描述了一种方法,用于将具有公共胶片带宽度的第一和第二长度的照相胶片条带的重叠端与胶片拼接器超声波拼接在一起,该胶片拼接器使用位于重叠的一侧上的固定细长超声波喇叭 薄膜条在宽度方向上终止,并且相对移动的砧座位于重叠薄膜条端部的相对侧上,横向穿过重叠薄膜端部,通过在喇叭的超声振动的同时在喇叭的长度方向上滑动或滚动,并提供 在跨越重叠的胶片端部的过程中重叠胶片端部的压力,使得来自喇叭的超声能量被转移到重叠的胶片端部,从而在这样的胶片端部之间实现超声波焊接,其中第一和第二长度的照相胶片条带中的一个包括 乙酸酯基胶带和另一种第一和第二 照相胶片条的长度包括基于乙酸酯的胶片条或基于聚酯的胶片条,并且其中砧座压力和砧横向速度的乘积小于6.0kg,mm / sec,当砧座滑过重叠的胶片端 并且当砧座横过重叠的胶片端部滚动时小于3.5kg.mm / sec。 该方法能够使用现有的市售超声波拼接器将聚酯基薄膜与乙酸酯基薄膜或乙酸酯基薄膜自身接合,并提供足够的拼接强度和平滑度。