公开(公告)号：US20110126986A1

公开(公告)日：2011-06-02

申请号：US12629039

申请日：2009-12-01

Applicant: Po Ha Cheung

Inventor： Po Ha Cheung

IPC: B29C65/02

CPC classification number: B29C66/1122 ,  B29C65/222 ,  B29C65/226 ,  B29C66/00145 ,  B29C66/43121 ,  B29C66/8221 ,  B29C66/8324 ,  B29C66/849 ,  B29C66/861 ,  B65B31/048

Abstract: The item is an easy-to-operate bag sealer that can inflate as well as vacuum, for normal household use, to keep foodstuff fresh. In the front portion of the surface of the body is the bottom frictional pressboard bar that has a frictional surface on one side. Under the cover, facing the frictional surface of the bottom frictional bar is fitted with the upper frictional pressboard bar for vacuuming or inflating. The diagonal frictional force produced by the frictional surface of the bottom frictional pressboard bar and that of the upper frictional pressboard bar is enough to enable the cover to stay closed during the process of realizing the vacuuming and inflating functions. A heat wire is located in parallel to and in the front of the bottom frictional pressboard bar and under the cover is fitted with another coordinating pressboard bar for bag sealing. Also included is an indirect switch to be pressed down to activate the vacuuming and inflating functions control, placed underneath the body, through a hole opened on the body at a corner position formed by the bottom frictional pressboard bar and the surface of the body. Under the cover, at the exact position facing the hole on the body through which the indirect switch is protruding, a cave-like opening is made on the upper frictional pressboard bar or wherever deemed appropriate. The coordinating factor of this cave-like opening and the indirect switch has a procedural function to control the activation of vacuuming and inflating.

Abstract translation: 该物品是一种易于操作的包装袋，可以充气和真空，用于家庭用途，以保持食品新鲜。 在主体表面的前部是底部摩擦压板，其一侧具有摩擦面。 在盖子下面，面向摩擦条的摩擦面配有用于抽吸或充气的上摩擦压板条。 底部摩擦压板和上摩擦压板的摩擦面产生的对角摩擦力足以使盖在实现真空和充气功能的过程中保持关闭。 热丝与底部摩擦压板条平行并位于前面，盖子下方装有另一个用于袋密封的协调压板。 还包括一个间接开关，通过在底部摩擦压板和主体表面形成的角位置，通过在身体上打开的孔，将被压下的激活和充气功能控制功能进行按压，以激活位于身体下方的吸气和充气功能。 在盖子下面，在面向穿过身体的孔的确切位置上，间接开关突出，在上摩擦压板条上或任何认为适当的地方形成一个洞穴状开口。 这种洞穴开放和间接开关的协调因素具有控制真空和充气活化的程序功能。

公开(公告)号：US4935161A

公开(公告)日：1990-06-19

申请号：US417413

申请日：1989-10-05

Applicant: Vaddi B. Reddy ,  Ha Cheung

Inventor： Vaddi B. Reddy ,  Ha Cheung

IPC: C09K11/77 ,  C09K11/78

CPC classification number: C09K11/7767

Abstract: A process is disclosed for preparing M' YTaO.sub.4 :Nb x-ray phosphor which comprises forming a uniform first mixture of Y.sub.2 O.sub.3, Ta.sub.2 O.sub.5, and Nb.sub.2 O.sub.5 in amounts equal to approximately the stoichiometric amounts to form the phosphor, milling with a flux of lithium chloride, the flux making up about 25% to 33% by weight of the mixture, firing the mixture in a furnace by heating to a temperature of about 1200.degree. C. to 1300.degree. C. at a heating rate of about 1.0.degree. C./minute to 1.5.degree. C./minute and maintaining the temperature for about 10 to 14 hours to react the components and produce a fired material containing luminescent material, cooling the material by turning off the heat and allowing the material to remain in the furnace until the temperature is no higher than about 300.degree. C., washing with deionized water, removing the wash water, drying, and classifying to obtain a -325 mesh particle size. The phosphor exhibits improved brightness over that of phosphors produced by methods using water or organic solvents as the milling fluid and substantially reduces crucible corrosion. Reduced amount of Nb.sub.2 O.sub.5 activator concentration has a beneficial effect on phosphor brightness.

Abstract translation: 公开了一种用于制备M'YTaO 4：Nb x射线荧光体的方法，其包括以等于化学计量的量等于大约化学计量的量形成均匀的Y 2 O 3，Ta 2 O 5和Nb 2 O 5的第一混合物以形成荧光体，用氯化锂助熔剂研磨， 助熔剂占混合物的约25〜33重量％，通过以约1.0℃/分钟的加热速率加热至约1200℃至1300℃的温度在炉中烧制混合物 至1.5℃/分钟并保持温度约10至14小时以使组分反应，并产生含有发光材料的烧制材料，通过关闭热量冷却材料并使材料保留在炉中直到温度 不高于约300℃，用去离子水洗涤，除去洗涤水，干燥并分级得到-325目粒度。 与通过使用水或有机溶剂作为研磨流体的方法产生的荧光体相比，荧光体的亮度提高，并且基本上减少了坩埚腐蚀。 Nb2O5活化剂浓度的降低对荧光体亮度有很好的影响。