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    • 3. 发明授权
    • Flexible light-shielding enclosure for photosensitive web end
    • 灵敏的遮光罩,用于光敏卷筒纸端
    • US5145066A
    • 1992-09-08
    • US738709
    • 1991-07-31
    • William F. ClarkRobert A. HuberMichael A. EvansJaime I. WaldmanThomas C. Healey
    • William F. ClarkRobert A. HuberMichael A. EvansJaime I. WaldmanThomas C. Healey
    • G03B27/58
    • G03B27/588
    • In use with a photosensitive web roll located inside a light-tight container having an exit slot through which the web is withdrawable, a flexible enclosure is provided for light-shielding a leading end portion of the web extending from the roll through the slot and outside the container. The enclosure comprises a flexible, substantially rectangular, opaque sleeve adapted to enclose the web end portion. The sleeve includes opposing top and bottom walls disposed in adjacent, registered, facing relationship and extending between front and rear ends and opposite lateral sides thereof. The walls are light-tightly joined together along their front ends and lateral sides, but are left unjoined and separable along their rear ends to provide an opening therebetween through which the web end portion can be inserted into the sleeve toward the joined front ends. The sleeve, with the web end portion so inserted, extends outwardly from within the container, through the exit slot, and then outside the container, where it is folded back and secured against the container exterior.
    • 在使用位于具有出口狭缝的不透光容器内的感光卷筒纸,通过该出口狭缝可抽出纸幅,提供柔性外壳,用于遮蔽从纸卷延伸通过狭槽和外部的幅材的前端部分 容器 外壳包括柔性的,基本上为矩形的不透明的套筒,其适于包围纸幅端部。 套筒包括以相邻的,登记的面对关系设置的相对的顶壁和底壁,并且在其前端和后端之间以及相对的侧向侧面之间延伸。 壁沿其前端和侧面轻轻地接合在一起,但是沿着它们的后端不连接和分离,以在其间提供开口,网状物端部可以通过该开口插入到连接的前端中的套筒中。 具有如此插入的腹板端部的套筒从容器内部通过出口槽向外延伸,然后从容器的外部向外延伸,在那里它被折回并固定在容器外部。
    • 4. 发明授权
    • Method for light-shielding a photosensitive web end
    • 遮光光敏卷筒纸端的方法
    • US5159373A
    • 1992-10-27
    • US738710
    • 1991-07-31
    • William F. ClarkRobert A. HuberMichael A. EvansJaime I. WaldmanThomas C. Healey
    • William F. ClarkRobert A. HuberMichael A. EvansJaime I. WaldmanThomas C. Healey
    • G03B17/30
    • G03B17/30G03B2217/265
    • In use with a photosensitive web roll located inside a light-tight container having an exit slot through which the web is withdrawable, a flexible enclosure is provided for light-shielding a leading end portion of the web extending from the roll through the slot and outside the container. The enclosure comprises a flexible, substantially rectangular, opaque sleeve adapted to enclose the web end portion. The sleeve includes opposing top and bottom walls disposed in adjacent, registered, facing relationship and extending between front and rear ends and opposite lateral sides thereof. The walls are light-tightly joined together along their front ends and lateral sides, but are left unjoined and separable along their rear ends to provide an opening therebetween through which the web end portion can be inserted into the sleeve toward the joined front ends. The sleeve, with the web end portion so inserted, extends outwardly from within the container, through the exit slot, and thence outside the container, where it is folded back and secured against the container exterior.
    • 在使用位于具有出口狭缝的不透光容器内的感光卷筒纸,通过该出口狭缝可抽出纸幅,提供柔性外壳,用于遮蔽从纸卷延伸通过狭槽和外部的幅材的前端部分 容器 外壳包括柔性的,基本上为矩形的不透明的套筒,其适于包围纸幅端部。 套筒包括以相邻的,登记的面对关系设置的相对的顶壁和底壁,并且在其前端和后端之间以及相对的侧向侧面之间延伸。 壁沿其前端和侧面轻轻地接合在一起,但是沿着它们的后端不连接和分离,以在其间提供开口,网状物端部可以通过该开口插入到连接的前端中的套筒中。 套筒的腹板端部如此插入,从容器内通过出口槽向外延伸,然后从容器外部向外延伸,在那里将其折回并固定在容器外部。