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    • 3. 发明授权
    • Flexible insulated duct and the method of making the duct
    • 柔性绝缘导管及其制作方法
    • US5947158A
    • 1999-09-07
    • US123907
    • 1998-07-28
    • Stephen Edward GrossMichael Dean PetersonBlake Boyd Bogrett
    • Stephen Edward GrossMichael Dean PetersonBlake Boyd Bogrett
    • F16L59/02F16L59/14F16L9/14
    • F16L59/022F16L59/14F24F13/0218F24F13/0263F24F13/0281
    • An insulated air duct includes a flexible, reinforced, inner tubular core; a layer of partially compressed flexible, resilient fibrous insulation surrounding the core; and a flexible jacket, preferably with a longitudinally extending seam, spaced outwardly from the core and enveloping the layer of partially compressed fibrous insulation. The layer of partially compressed fibrous insulation is formed from a resilient blanket of air laid, randomly oriented, entangled fibers. The resilient blanket may have a low binder content or be binderless with the fibers unbonded and, possibly, lubricated. The lubricant on the fibers facilitates the sliding of the fibers relative to each other, reduces fiber attrition due to abrasion as the fibers move relative to each other; and enhances the resilience of the blanket when subjected to compression whereby the layer of compressed fibrous insulation surrounding the core remains expanded in its partially compressed state, to the extent permitted by a space between the core and the jacket, to provide the duct with good insulating properties and to exert an outward pressure on the jacket to improve the appearance of the jacket. Preferably, the resilient blanket is wrapped about the core while being supported on the jacket so that the blanket will not pull apart during the wrapping process.
    • 绝缘空气管道包括柔性,增强的内管状芯体; 围绕芯部的部分压缩的柔性弹性纤维绝缘层; 以及优选地具有纵向延伸的接缝的柔性护套,与芯部向外间隔开并包围部分压缩的纤维绝缘层。 部分压缩的纤维绝缘层由空气铺设,随机取向的缠结纤维的弹性毯形成。 弹性毯可以具有低的粘合剂含量或者无粘合剂,纤维是未粘结的,并且可能被润滑。 纤维上的润滑剂促进纤维相对于彼此的滑动,当纤维相对于彼此移动时由于磨损而减少纤维磨损; 并且当经受压缩时增强橡皮布的弹性,由此围绕芯部的压缩纤维绝缘层在其部分压缩状态下保持膨胀至核心和护套之间的空间所允许的程度,为管道提供良好的绝缘 性能,并对外套施加向外的压力,以改善外套的外观。 优选地,弹性毯被围绕芯缠绕,同时被支撑在护套上,使得毯在包装过程中不会拉开。
    • 5. 发明授权
    • Coated foam insulation and method of making the same
    • 涂层泡沫保温及其制作方法
    • US06228476B1
    • 2001-05-08
    • US09183892
    • 1998-10-30
    • Blake Boyd BogrettMonroe William ShumateRoyce Michael Feagans
    • Blake Boyd BogrettMonroe William ShumateRoyce Michael Feagans
    • B32B306
    • C08J9/365C08J2205/05Y10T428/249955Y10T428/24996Y10T428/249981
    • A foam insulation sheet has a major surface, such as the interior surface of a duct liner over which gases flow within a duct, coated with a relatively smooth, tough elastomeric coating of substantially uniform thickness. Preferably, the coating has a tough skin and penetrates into interstices of the major surface of the foam sheet to firmly bond the elastomeric coating to the foam sheet. One method of forming the tough skin on the coating includes contacting a frothed aqueous cross-linkable acrylic latex emulsion, applied to the major surface of the foam sheet, with a hot ironing surface to dewater an exposed surface of the frothed emulsion, to free bubbles from the exposed surface of the frothed emulsion at the exposed surface of the frothed emulsion, prior to curing the remainder of the frothed aqueous cross-linkable acrylic latex emulsion.
    • 泡沫绝缘片具有主表面,例如管道衬里的内表面,气体在管道内流动,涂覆有基本上均匀厚度的相对光滑,坚韧的弹性体涂层。 优选地,涂层具有坚韧的皮肤并渗透到泡沫片的主表面的间隙中以将弹性体涂层牢固地结合到泡沫片上。 在涂层上形成韧性皮肤的一种方法包括将施加到泡沫片的主表面上的发泡的水可交联的丙烯酸胶乳乳液与热熨烫表面接触,以将已发泡的乳液的暴露表面脱水到游离气泡 在固化剩余的发泡的含水可交联的丙烯酸胶乳乳液之前,在发泡的乳液的暴露表面上从发泡的乳液的暴露表面。