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公开(公告)号:US4208629A
公开(公告)日:1980-06-17
申请号:US904102
申请日:1978-05-08
CPC分类号: G01R29/24
摘要: The subject invention relates to an indicator device sensitive to small as well as high concentrations of electrostatic charges, the indicator comprising a transparent housing composed of an electrically insulating material and a plurality of articles confined within said housing, said articles having a thin metallic surface such as silver coated upon a low density core.
摘要翻译: 本发明涉及对小型以及高浓度的静电电荷敏感的指示器装置,该指示器包括由电绝缘材料和限制在所述壳体内的多个制品构成的透明壳体,所述制品具有薄的金属表面,例如 作为银涂覆在低密度核心上。
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公开(公告)号:US4039337A
公开(公告)日:1977-08-02
申请号:US670605
申请日:1976-03-26
CPC分类号: C10M7/00 , B22C3/00 , C03B40/02 , C04B28/26 , C10M2201/00 , C10M2201/02 , C10M2201/041 , C10M2201/042 , C10M2201/061 , C10M2201/062 , C10M2201/065 , C10M2201/08 , C10M2201/081 , C10M2201/082 , C10M2201/084 , C10M2201/085 , C10M2201/087 , C10M2201/10 , C10M2201/102 , C10M2201/103 , C10M2201/16 , C10M2201/18 , C10M2215/04 , C10M2215/042 , C10M2215/10 , C10M2215/26 , C10M2219/042 , C10N2240/402 , C10N2240/403 , C10N2240/404 , C10N2240/405 , C10N2240/406 , C10N2240/407 , C10N2240/408 , C10N2240/409 , C10N2250/08 , C10N2250/10 , C10N2250/121
摘要: A composition and method of preparation are herein described for molten release and parting compositions adaptable for use in glass-forming operations. The novel composition comprises an aqueous dispersion of a mixture of a solid lubricant, a water-soluble silicate binder, a setting agent, and a water-soluble phosphate. A preferred composition comprises a mixture of flake graphite, boron nitride, sodium silicate, zinc oxide and potassium phosphate tribasic.
摘要翻译: 本文描述了适于用于玻璃形成操作的熔融释放和分型组合物的组合物和制备方法。 该新型组合物包含固体润滑剂,水溶性硅酸盐粘合剂,固化剂和水溶性磷酸盐的混合物的水分散体。 优选的组合物包括片状石墨,氮化硼,硅酸钠,氧化锌和三磷酸钾的混合物。
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公开(公告)号:US4038453A
公开(公告)日:1977-07-26
申请号:US613719
申请日:1975-09-15
CPC分类号: G03C11/06 , G03C5/12 , Y10S430/135 , Y10T428/252 , Y10T428/254 , Y10T428/264 , Y10T428/265 , Y10T428/31511 , Y10T428/31562 , Y10T428/31565 , Y10T428/31587 , Y10T428/31598 , Y10T428/31609 , Y10T428/3179 , Y10T428/31797 , Y10T428/3188 , Y10T428/31888 , Y10T428/31891 , Y10T428/31986
摘要: Leader strip for motion picture films is described which is composed of a substrate of cellulose acetate or polyester, a gum-removing layer comprising an organic binder selected from the group consisting of cellulose esters, polyurethanes, polyacrylonitrile, copolymers of acrylonitrile and vinylidene chloride, and epoxy resins, a gum-shearing agent of finely divided polymeric particles, said agent being bonded by the organic binder to the substrate, said gum-shearing agent being a member selected from the group consisting of polyesters, polyamides, polyimides and polyolefins, said polymeric particles having a size less than about five mils.
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公开(公告)号:USD260845S
公开(公告)日:1981-09-22
申请号:US29580
申请日:1979-04-11
申请人: Virgil R. Friebel
设计人: Virgil R. Friebel
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