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    • 47. 发明授权
    • Material for FRTP molded objects and FRTP tubular molded object
    • FRTP成型体和FRTP管状成型体的材料
    • US6114000A
    • 2000-09-05
    • US109461
    • 1998-07-02
    • Kunimasa MuroiToshiharu FukushimaKunio Hiyama
    • Kunimasa MuroiToshiharu FukushimaKunio Hiyama
    • B29B15/10B29C53/58B29C53/66B29C65/00B29C65/18B29C70/20B29C70/46B29C70/50B32B27/12
    • B32B27/12B29B15/12B29C53/582B29C65/18B29C66/1122B29C66/435B29C66/721B29C66/73921B29C66/83413B29C66/83415B29C70/20B29C70/465B29C70/506B29C53/66B29C66/71B29C66/7212B29C66/727Y10T428/19Y10T428/24612Y10T428/24777Y10T428/24793Y10T428/249941Y10T428/249942Y10T428/24995
    • A ribbon-shaped material for FRTP molded objects 1 having a laminate 4 in which a ribbon-shaped reinforcing fiber tow 2 is placed between thermoplastic resin films for supplying matrix resin which are wider than the ribbon-shaped reinforcing fiber tow 2, and in which the thermoplastic resin films 3,3 are fused in side portions 5,5 of the laminate 4, which are along the longitudinal direction of the laminate 4; and a wide material for FRTP molded objects 30,40 obtained by arranging a plurality of the ribbon-shaped materials for FRTP molded objects 1 whereby adjacent ribbon-shaped materials for FRTP molded objects 1,1 overlap each other in a manner such that the side portion 5 of one of the adjacent ribbon-shaped materials for FRTP molded objects 1 is placed on the side portion 5 or the middle portion 6 of the other along the longitudinal direction, and fusing together each overlapping portion 31,41 of the ribbon-shaped materials for FRTP molded objects 1, whereby the reinforcing fiber tows 2 are arranged in parallel; are advantageous in providing excellent impregnation of the reinforcing fiber with the thermoplastic resin, giving a great freedom of design, providing easy handling, creating no fuzz of the reinforcing fiber, and being flexible. Using such a material for FRTP molded objects 1,30,40, an inexpensive FRTP tubular molded object having a superior strength can be produced.
    • 用于FRTP成型体1的带状材料,其具有将带状增强纤维丝束2放置在比带状增强纤维丝束2宽的用于供给基体树脂的热塑性树脂膜之间的层压体4,其中 热塑性树脂膜3,3熔合在层叠体4的沿着层压体4的长度方向的侧面部分5,5中; 以及通过配置多个用于FRTP成型体1的带状材料而获得的FRTP成型体30,40的宽材料,其中用于FRTP成型体1,1的相邻的带状材料以彼此重叠的方式彼此重叠 用于FRTP成型体1的相邻带状材料之一的部分5沿着纵向方向放置在另一个的侧部5或中间部分6上,并且将带状的每个重叠部分31,41 用于FRTP成型体1的材料,由此增强纤维丝束2平行布置; 有利于提供具有热塑性树脂的强化纤维的优良浸渍,赋予设计更大的自由度,提供易于处理,不产生增强纤维的绒毛并且柔软。 使用这种材料用于FRTP成型物体1,30,40时,可以生产出具有优异强度的廉价FRTP管状模制物体。
    • 50. 发明授权
    • Method of laying roofing felt and means therefor
    • 铺设屋顶毡的方法及其手段
    • US5526624A
    • 1996-06-18
    • US295863
    • 1994-10-13
    • Bo Berg
    • Bo Berg
    • B29C65/00B29C65/36E04D5/14E04D15/04E04B2/00
    • E04D15/04B29C65/364B29C65/3648B29C65/3676B29C66/1122B29C66/43B29C66/80B29C66/81811B29C66/8362B29C66/8652B29C66/974E04D5/14E04D5/142E04D5/149B29C65/3632B29C65/3668B29C66/435B29C66/91221B29K2095/00B29L2009/00B29L2031/108
    • Roofing felt containing bitumen which is solid at ambient temperature and soft at an increased temperature is laid on roofs, the roofing felt having pieces with end edges and the method practiced by utilizing a heat emitting member in the form of a metal strip with a number of openings in it for penetration of softened bitumen. The metal strip is provided adjacent a first end edge of a first piece of roofing felt, and the first end edge of the first piece of roofing felt is overlapped with a second end edge of a second piece of roofing felt so that the metal strip engages both of them. A variable magnetic field is applied to the joint area to induce a current of sufficient strength to cause the metal strip to be heated to a temperature sufficient to soften the bitumen of both the pieces of roofing felt so that softened bitumen flows into the openings in the metal strip. After termination of the magnetic field the softened bitumen is cooled so that a tight continuous overlap joint is provided between the felt pieces. Typically while the bitumen is still softened a compression force is applied to the topmost pieces of felt to assist in forcing softened bitumen into and through the openings, such as by rolling a roller over the joint area.
    • PCT No.PCT / SE92 / 00146 Sec。 371日期:1994年10月13日 102(e)日期1994年10月13日PCT 1991年3月10日PCT公布。 公开号WO93 / 18247 日期:1993年9月16日。含有在环境温度为固体且在升高的温度下为软的沥青的铺放毡被放置在屋顶上,屋顶毡具有具有端部边缘的块,并且该方法通过利用以下形式实现的散热构件: 在其中具有许多开口的金属带,用于渗透软化的沥青。 金属条被设置在第一件屋顶毡的第一端边缘附近,并且第一件屋顶毡的第一端边缘与第二件屋顶毡的第二端边缘重叠,使得金属带接合 两个都。 将可变磁场施加到接合区域以引起足够强度的电流,以使金属带被加热到足以软化两个屋顶毡的沥青的温度,使得软化的沥青流入到 金属条。 在磁场终止之后,软化的沥青被冷却,使得在毡片之间提供紧密连续的重叠接头。 通常,当沥青仍然软化时,压缩力被施加到最顶层的毡上,以帮助软化沥青进入和穿过开口,例如通过在接合区域上滚动辊子。