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    • 71. 发明授权
    • Light-screening film paint for lamps, and light-screening film for lamps
and producing method thereof
    • 灯用遮光膜漆,灯用遮光膜及其制造方法
    • US6015592A
    • 2000-01-18
    • US150340
    • 1998-09-10
    • Tatsuo MifuneKazunori SakamotoTsumoru OhataMasaru Watanabe
    • Tatsuo MifuneKazunori SakamotoTsumoru OhataMasaru Watanabe
    • H01J9/20H01J61/35B05D3/02B05D3/00
    • H01J9/20H01J61/35
    • When in use a highly luminous automobile discharge lamp will experience a temperature rise to about 700.degree. C. at the lamp glass surface. As such, the light-screening film formed on the lamp will also be exposed to a temperature of 700.degree. C.; the temperature of the glass surface of a lamp rises and, accordingly, that of the light-screening film formed thereon also rises. Especially with a highly luminous automobile discharge lamp, the temperature of the lamp glass surface rises to about 700.degree. C. during the lighting. Necessarily, the light-screening film on the glass surface is also exposed to a temperature of 700.degree. C. As such, a light-screening film material free of discoloration or peeling even after exposure to a temperature of 700.degree. C. has been desired. There is disclosed a light-screening film paint for lamps containing (1) at least one compound of either manganese oxide or an iron oxide compound doped with a metallic manganese and having the formula (Fe.sub.x Mn.sub.1-x).sub.2 O.sub.3 where 0.95>x>0.70; and (2) powder glass containing at least one of silica, zinc oxide, boron oxide and aluminum oxide. A light-screening film is produced by applying the paint to the surface of a lamp, followed by the firing at a temperature of not higher than 1,200.degree. C.
    • 使用时,高度发光的汽车放电灯将在灯玻璃表面经历温度升高至约700℃。 因此,形成在灯上的遮光膜也将暴露于700℃的温度; 灯的玻璃表面的温度升高,因此形成在其上的遮光膜的温度也上升。 特别是使用高度发光的汽车放电灯,照明期间灯玻璃表面的温度升高至约700℃。 玻璃表面的遮光膜也必须暴露在700℃的温度。因此,即使在暴露于700℃的温度之后也不需要变色或剥离的遮光膜材料 。 公开了一种用于灯的遮光膜涂料,其包含(1)掺杂有金属锰的氧化锰或氧化铁化合物的至少一种化合物,并具有式(FexMn1-x)2O3,其中0.95> x> 0.70; 和(2)含有二氧化硅,氧化锌,氧化硼和氧化铝中的至少一种的粉末玻璃。 通过将涂料涂布在灯的表面上,然后在不高于1200℃的温度下进行烧制来制造遮光膜。
    • 75. 发明授权
    • Tape casette with tape cleaners
    • 带式磁带清洁器
    • US5396392A
    • 1995-03-07
    • US56742
    • 1993-05-04
    • Masaru WatanabeTousaku NishiyamaTsumoru Ohata
    • Masaru WatanabeTousaku NishiyamaTsumoru Ohata
    • G11B23/087G11B23/50G11B23/02G11B5/41
    • G11B23/087G11B23/502Y10S15/13
    • A tape cassette for accommodating a reeled length of magnetic recording tape comprises a generally rectangular flattened box-like configuration. The cassette has top and bottom panels, front and rear wall and a pair of side walls. The front wall has a head access window and a pair of pinch roller access windows all defined therein. While a portion of the length of magnetic tape extends in the vicinity of and parallel to the front wall, tape cleaners are secured to front wall portions defined between the head access window and the pinch roller access windows so as to slidingly contact that portion of the length of magnetic recording tape as the latter is transported from one reel to the other reel. Each tape cleaner may be a fiber-intertwined cleaning member made of non-woven fabric or a fiber-tufted cleaning member made of crimped or curled fibers closely planted on a backing. With the fiber-intertwined cleaning members, that portion of the length of magnetic recording tape that is held in sliding contact with an intermediate portion of each fiber-intertwined cleaning member is rearwardly biased a predetermined bias distance within the range of 0.5 to 1 mm. With the fiber-tufted cleaning members, that portion of the length of magnetic recording tape that is held in sliding contact with an intermediate portion of each fiber-intertwined cleaning member is rearwardly biased a predetermined bias distance within the range of 0.1 to 1 mm.
    • 用于容纳卷绕长度的磁记录带的磁带盒包括大体矩形扁平的盒状结构。 盒式磁带具有顶板和底板,前壁和后壁以及一对侧壁。 前壁具有头部通道窗口和一个全部限定在其中的夹紧辊访问窗口。 虽然磁带长度的一部分在前壁附近延伸并且平行于前壁,但磁带清洁器固定在限定在磁头访问窗和压紧辊访问窗口之间的前壁部分上,以便滑动地接触 磁记录带的长度从后者从一个卷轴传送到另一卷轴。 每个胶带清洁器可以是由无纺布制成的纤维交织的清洁构件或由紧密地植在背衬上的卷曲或卷曲的纤维制成的纤维簇绒清洁构件。 利用纤维交织的清洁部件,保持与每根纤维交织的清洁部件的中间部分滑动接触的磁记录带的长度部分被向后偏置在0.5至1mm的范围内的预定偏置距离。 利用纤维簇绒清洁部件,保持与每个纤维交织的清洁部件的中间部分滑动接触的磁记录带的长度部分被向后偏置在0.1至1mm的范围内的预定偏置距离。