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    • 71. 发明授权
    • Packaging material for photographic photosensitive materials
    • 照相感光材料的包装材料
    • US5227255A
    • 1993-07-13
    • US594003
    • 1990-10-09
    • Mutsuo Akao
    • Mutsuo Akao
    • B32B27/08B32B27/20B32B27/32G03C3/00
    • B32B27/08G03C3/00Y10S428/91Y10T428/31746
    • A packaging material for photographic photosensitive materials which comprises a biaxially stretched polyamide resin film layer and a very low density ethylene-.alpha.-olefin copolymer resin film layer laminated through an adhesive layer and contains a light shielding material at least in one layer. By laminating the very low density ethylene-.alpha.-olefin copolymer resin film to the biaxially stretched polyamide resin film through the adhesive layer, tear strength, impact strength and the like of the laminated film are improved by the notch effect. Particularly, resistance to the occurrence of pinholes is much superior to the other laminated films containing similar ethylene-.alpha.-olefin copolymer resin film layer.
    • 一种用于照相感光材料的包装材料,其包括双轴拉伸聚酰胺树脂膜层和通过粘合剂层层压的极低密度乙烯-α-烯烃共聚物树脂膜层,并且至少包含一层遮光材料。 通过将非常低密度的乙烯-α-烯烃共聚物树脂膜通过粘合剂层层压到双轴向拉伸的聚酰胺树脂膜上,通过切口效应提高层压膜的撕裂强度,冲击强度等。 特别是针对针孔的发生的耐受性优于含有类似乙烯-α-烯烃共聚物树脂膜层的其它叠层膜。
    • 72. 发明授权
    • Packaging material for photosensitive materials
    • 感光材料的包装材料
    • US5118563A
    • 1992-06-02
    • US245895
    • 1988-09-19
    • Mutsuo Akao
    • Mutsuo Akao
    • B65D65/16B32B15/085B32B27/08B65D65/40G03C3/00
    • G03C3/00B32B27/08Y10S428/91Y10S428/913Y10T428/263Y10T428/2826Y10T428/31692Y10T428/31913
    • A packaging material for photosensitive materials which comprises an uniaxially molecularly oriented thermoplastic resin film layer, an ethylene copolymer resin film layer containing more than 10 wt. % of ethylene copolymer resin, a substance having antiblocking action and an antioxidant and having a melting point of lower than said uniaxially molecularly oriented thermoplastic resin film layer, and a metallized biaxially molecularly oriented thermoplastic resin film layer interposed between said uniaxially molecularly oriented thermoplastic resin film layer and said ethylene copolymer resin film layer.The packaging material of the invention hardly curls, and it is excellent in tear strength and heat sealing properties. Moreover, when the package is severely shaken during transportation, moistureproofness and lint-free ability can be still secured.
    • 一种用于感光材料的包装材料,其包含单轴分子取向的热塑性树脂膜层,含有大于10wt。 %的乙烯共聚物树脂,具有防粘连作用的物质和抗氧化剂并且具有低于所述单轴分子取向的热塑性树脂膜层的熔点以及介于所述单轴分子取向的热塑性树脂膜之间的金属化双轴分子取向的热塑性树脂膜层 层和所述乙烯共聚物树脂膜层。 本发明的包装材料几乎不卷曲,撕裂强度和热封性优异。 此外,当包装在运输过程中严重晃动时,仍然可以保证防潮和无绒的能力。
    • 74. 发明授权
    • Packaging material for photographic photosensitive materials
    • 照相感光材料的包装材料
    • US5075163A
    • 1991-12-24
    • US418684
    • 1989-10-02
    • Mutsuo Akao
    • Mutsuo Akao
    • B29C47/02B32B27/32G03C3/00
    • G03C3/00B32B27/32Y10T428/1334Y10T428/25Y10T428/31913
    • A packaging material for photographic photosensitive material comprising a coextruded double layer film having a thickness of 30 to 150 .mu.m, containing 0.5 to 50 g/m.sup.2 of a light-shielding material, and consisting of a linear low-density polyethylene resin layer having a thickness of 30 to 70% of total thickness of the coextruded double layer film and comprising linear low-density polyethylene resin having a melt index of 0.1 to 10 g/10 minutes and a density of 0.870 to 0.939 g/cm.sup.3 and a high-density polyethylene resin layer comprising high-density polyethylene resin having a melt index of 0.1 to 5 g/10 minutes and a density of 0.950 to 0.970 g/cm.sup.3.This packaging material is excellent in physical strength, particularly in Young's modulus, tensile strength, wear resistance and surface strength, and is suitable for a heavy material having a sharp edge.
    • 一种用于照相感光材料的包装材料,包括厚度为30至150μm的共挤出双层膜,其含有0.5至50g / m 2的遮光材料,并且由线性低密度聚乙烯树脂层 厚度为共挤出双层膜的总厚度的30〜70%,并且包括熔体指数为0.1〜10g / 10分钟,密度为0.870〜0.939g / cm 3的线性低密度聚乙烯树脂,高密度 聚乙烯树脂层包含熔融指数为0.1〜5g / 10分钟,密度为0.950〜0.970g / cm 3的高密度聚乙烯树脂。 该包装材料具有优异的物理强度,特别是杨氏模量,拉伸强度,耐磨性和表面强度,并且适用于具有锋利边缘的重质材料。
    • 78. 发明授权
    • Packaging material
    • 用于包装的材料
    • US4871613A
    • 1989-10-03
    • US34844
    • 1987-04-06
    • Mutsuo Akao
    • Mutsuo Akao
    • B65D65/40B32B7/02B32B27/18B32B27/28B32B27/30B32B27/32C08K3/04
    • B32B27/18Y10T428/25Y10T428/256Y10T428/2826Y10T428/30Y10T428/31504Y10T428/31663Y10T428/31692Y10T428/3175Y10T428/31797Y10T428/31855Y10T428/31913Y10T428/31917
    • A packaging material which comprises a simultaneously coextruded film comprising a conductive ethylene-ethyl acrylate copolymer resin layer containing more than 50 wt.% of ethylene-ethyl acrylate copolymer resin of which content of ethyl acrylate is more than 6 wt.%, 7 to 20 wt.% of carbon black and 0.01 to 1 wt.% of a lubricant, and a polyolefin resin layer.The packaging material of the invention is superior in antistatic property, moistureproofness, light-shielding, tear strength, impact puncture strength, slipping character and heat sealing properties. Its production is easy because of superior moldability, and generations of blocking, fish eye and pin hole are rare. The packaging material of the invention can be made thinner than the conventional packaging material, and expensive metal foil is not necessary. Accordingly, this packaging material is inexpensive.
    • 一种包装材料,其包括同时共挤出的膜,其包含导电乙烯 - 丙烯酸乙酯共聚物树脂层,其含有大于50重量%的乙烯 - 丙烯酸乙酯共聚物树脂,其中丙烯酸乙酯的含量大于6重量%,7至20 炭黑的重量%和0.01〜1重量%的润滑剂,以及聚烯烃树脂层。 本发明的包装材料的抗静电性,防潮性,遮光性,撕裂强度,冲击穿刺强度,滑脱特性和热封性都优异。 它的生产容易,因为优异的成型性,并且几代堵塞,鱼眼和针孔是罕见的。 本发明的包装材料可以制成比传统的包装材料更薄,并且不需要昂贵的金属箔。 因此,该包装材料便宜。
    • 79. 发明授权
    • Spool for photographic film
    • 原型电影线轴
    • US4796823A
    • 1989-01-10
    • US88224
    • 1987-08-24
    • Mutsuo AkaoHisao EndoToshio SataMasanori Ishiguro
    • Mutsuo AkaoHisao EndoToshio SataMasanori Ishiguro
    • G03C3/00B65H75/14G03B17/30B65H75/18
    • B65H75/14G03B17/30B65H2701/5122G03B2217/261G03B2217/265Y10T428/24Y10T428/24182Y10T428/24355
    • A spool for a photographic film comprising 50 to 99.8 wt. % of polystyrene resin, 0.05 to 2.2 wt. % of dimethylpolysiloxane and/or modified dimethylpolysiloxane of which a part of methyl groups are substituted by carboxyalkyl groups, 0.5 to 6 wt. % of rubber and 0.05 to 3 wt. % of carbon black having a pH of 5 to 9 and a mean particle size of 10 to 120 m.mu., and the outer surface of the flange of the spool is made rough so that the reflectance of the incident light at an incident angle of 75 degrees is less than 40% in the direction of regular reflection at an angle of 75 degrees.Static frictional coefficient of this spool against metal is small, and thereby photographic film can be drawn out of a photographic film cartridge smoothly to the last. Breakage of the perforations of photographic film does not occur. The outer surface of the flange of the spool is not glossy and its reflectance is low. Accordingly, the light passed through the space between end cap of cartridge and boss of spool does not reach the photographic film in the cartridge.
    • 一种用于照相胶片的卷轴,包括50至99.8wt。 聚苯乙烯树脂的%,0.05〜2.2重量% %的二甲基聚硅氧烷和/或其一部分甲基被羧基烷基取代的改性二甲基聚硅氧烷,0.5〜6重量% %的橡胶和0.05〜3wt。 %的炭黑的pH为5〜9,平均粒径为10〜120μm,并且使卷轴的凸缘的外表面粗糙,入射角为75°的入射光的反射率 度在75度的角度下的规则反射方向小于40%。 该卷轴对金属的静摩擦系数很小,从而摄影胶片可以平滑地从摄影胶片盒中抽出到最后。 摄影胶片穿孔不会发生破裂。 阀芯法兰的外表面不光滑,反射率低。 因此,通过墨盒的端盖和阀芯的凸台之间的空间的光不会到达墨盒中的照相胶片。
    • 80. 发明授权
    • Magazine for photosensitive materials
    • 感光材料杂志
    • US4787506A
    • 1988-11-29
    • US036438
    • 1987-04-09
    • Mutsuo Akao
    • Mutsuo Akao
    • B32B27/10G03B27/58G03C3/00B65D85/67
    • B32B27/10G03B27/588G03C3/00G03B2217/265
    • A magazine for a roll of a photosensitive strip material which comprises a core rotatably supporting the roll and a light-shielding container body admitting the core and having an opening for drawing out the photosensitive strip material and light-shielding teremp cloth piece(s) provided at the above opening, and which is characterized in that the wall of the container body is formed by paper board and a multilayer film superposed thereon containing a metal foil layer or a metallized flexible sheet layer being visible from the outside and that the ground fabric structure of the above teremp cloth is knit structure.This magazine is superior in moistureproofness, gas barrier, dustproofness, thermal-shielding, water proofness and antistatic property. Deformation of the opening for drawing out hardly occurs, and leakage of light and moisture do not occur. Even though this magazine is left in the sunlight for a long time, inner temperature of the magazine is not so raised. Quality of the photosensitive strip material packaged by this magazine is kept for a long period irrespective of outside conditions. The magazine of the invention is inexpensive, and its waste treatment is easy.
    • 一种用于感光条材料卷的盒子,其包括可旋转地支撑该卷筒的芯体和一个允许该芯部的遮光容器主体,并具有用于拉出感光条带材料的开口和设置有遮光的特布姆布片 在上述开口处,其特征在于,容器主体的壁由纸板和叠置在其上的多层膜形成,其中包含从外部可见的金属箔层或金属化柔性片层,并且底布结构 的上述特布布是针织结构。 本杂志具有防潮,防气,防尘,防热,防水,防静电等优点。 几乎不发生用于拉出的开口的变形,并且不会发生光和水分的泄漏。 即使这本杂志长时间在阳光下,杂志的内部温度也不会升高。 该杂志包装的感光条材料的质量保持长时间,不管外部条件如何。 本发明的杂志廉价,废物处理容易。