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    • 99. 发明公开
    • CORE SPUN FILTRATION ROVING.
    • MIT SEELE GESPONNENE FILTRATIONSLUNTE。
    • EP0016813A1
    • 1980-10-15
    • EP79901065
    • 1980-03-25
    • BRUNSWICK CORP
    • TREMBLAY MAURICE HMANNING ROBERT ELANOUE GERARDGAITERI JR FRANK
    • B01D29/11B01D39/16B01D39/20D02G3/36D02G3/44B01D27/00B01D27/02D02G3/02
    • D02G3/447B01D29/111B01D29/216B01D39/1607B01D39/2017B01D39/2041B01D2239/0464B01D2239/0636B01D2239/065B01D2239/0695B01D2239/10D02G3/36D10B2505/04
    • A low twist, high bulk filtration roving is prepared by wrapping a sliver comprised of individual fibers, around a core in the conventional manner. Exemplary of the bulk fibers which may be employed are naturally occurring fibers such as jute, cotton, animal hair; synthetic polymer fibers, such as acrylic, nylon, polyester, olefin, aramid, teflon; man-made organic fibers deriving from natural sources such as rayon or cellulose acetate; and inorganic fibers such as metal, glass, graphite; or a blend of two or more of these fibers. Examples of the core, which can be continuous filaments, monofilaments or spun yarn, are one or more strands of the same composition as the fibers, or a combination thereof, twisted paper which can be plain, impregnated or metallized, and metal wire. Where the material is capable of being cast in film form, slit film may be employed as the strand(s). The composite roving is wound upon a rigid perforated tubular center to form a filter cartridge.
    • 通过以常规方式将包括单根纤维的带(6,17)缠绕在芯(5,16)周围来制备低捻度和高容量的过滤芯(4,15)。 作为可以使用的高体积纤维素纤维的例子,可以使用天然纤维,例如黄麻,棉花,动物毛发; 合成高分子纤维如丙烯酸树脂,尼龙,聚酯,烯烃,芳族聚酰胺,聚四氟乙烯; 人类从天然来源制造的有机纤维,如人造丝或乙酸纤维素; 和无机纤维​​如金属,玻璃,石墨; 或两种或更多种芯的所述纤维的实例的其可以是连续长丝,单丝或队列的混合物(5,12,16)是相同的组合物中作为纤维或其组合的一种或多种链 这些扭曲的纸张可以是未经处理的,浸渍的或金属化的和金属丝的。 当材料能够铸造成薄膜时,切割的薄膜可以用作钢绞线。 复合线(19)缠绕在刚性管状中心上,穿孔以产生滤筒。