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    • 96. 发明公开
    • SHOCK ABSORBER ASSEMBLY FOR REDUCING BREAK TENSION IN AN ASPHALT-COATED SHEET
    • SHOCK装置以降低制动紧张的沥青涂覆的火车
    • EP1140681A1
    • 2001-10-10
    • EP99968180.2
    • 1999-12-27
    • OWENS CORNING
    • ASCHENBECK, David, P.
    • B65H23/16B65H20/24
    • B65H20/24B65H23/16B65H2403/60
    • A shock absorber assembly (50) for a finish looper (32) that reduces breaks of an asphalt-coated sheet (20). The finish looper (32) includes a plurality of looper rolls (34) forming a plurality of free hanging loops of the asphalt-coated sheet (20). The shock absorber assembly (50) is mounted on a frame structure (52) capable of relative movement with respect to the looper rolls (34). The shock absorber assembly (50) includes a plurality of rolls including an indexing roll (54), a guide roll (70), and a shock roll (64) positioned between the indexing roll (54) and the guide roll (70). Just prior to the last free hanging loop (62) being completely payed out, the shock roll (64) is in an up position and the indexing roll (54) is in a down position. When the asphalt-coated sheet (20) is further payed out, the asphalt-coated sheet (20) engages the indexing roll (54) and causes it to pivot (58) from the down position to an up position. The weight and acceleration of the adjacent, upstream free hanging loop (74) causes the shock roll (64) to move from the up position to the down position. The movement of the indexing roll (54) and shock rolls (64) shortens the path length of the asphalt-coated sheet (20) through the shock absorber assembly (50) and reduces the acceleration rate of the sheet (20) in the next loop, thereby reducing breakage of the asphalt-coated sheet (20) when it is payed out from the last free hanging loop (62). A method of reducing breaks in the asphalt-coated sheet (20) is also described.
    • 98. 发明公开
    • Web inspection and repair machine
    • Web检测和修复机器
    • EP0827927A2
    • 1998-03-11
    • EP97306869.5
    • 1997-09-04
    • Arpeco Engineering Limited
    • Prittie, Allan R.
    • B65H20/24B65H26/02
    • B65H21/00B65H20/24B65H26/02B65H2301/4148B65H2511/20B65H2513/512B65H2220/02
    • A device for the inspection and repair of a roll of web material includes an unwind mandrel, a rewind mandrel, an inspection area and a splice area. A flaw in the web is detected at the inspection area, whereupon the web is braked to a halt. Where the splicc area is adjacent to or coincident with the inspection area, the flawed portion of the web can pass well beyond the splice area before the web comes to a halt. Provided herein is a web-indexer device that includes a reciprocating indexer shuttle having idler rolls mounted thereon, with further idler rolls mounted to the machine such that the web material can be strung between them in a substantially boustrophedonic configuration. Control means are provided to allow the operator who has caused the web to be braked to a halt upon detecting a flaw, to move the indexer frame so as to retrieve a portion of the web so as to bring the flaw back to the splicing station for repair, without having to reverse the rotational direction of the unwind mandrel or the rewind mandrel.
    • 用于卷筒材料卷的检查和修理的装置包括解卷心轴,回卷心轴,检查区域和拼接区域。 在检查区域检测到卷筒纸上的缺陷,于是卷筒纸被制动停止。 在拼接区域与检查区域相邻或重合的情况下,在幅材停止之前,幅材的缺陷部分可以很好地通过拼接区域。 本文提供了一种幅面转位器装置,该幅面转位器装置包括具有安装在其上的惰辊的往复式转位器梭,其中惰辊安装到该机器上,使得幅材料可以以基本双曲线配置在它们之间串联。 设置有控制装置,以便在检测到瑕疵时使已导致纸幅的操作者停止,以移动索引框以便取回纸幅的一部分,从而将瑕疵返回到拼接工位 而不必翻转展开心轴或重绕心轴的旋转方向。