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    • 21. 发明授权
    • Centrifuge rotor with sample holding means
    • 离心转子与样品保持装置
    • US3747842A
    • 1973-07-24
    • US3747842D
    • 1971-08-16
    • HAMILTON CO
    • GRUBB JTOMEI K
    • B04B5/02B04B5/04B04B9/12
    • B04B5/0421
    • A centrifuge rotor having a hollow concave bowl with a large axial column extending upwardly above a plane of the rim of the bowl and on which there is axially disposed a flange of smaller diameter than the diameter of the rim of the bowl and spaced upwardly of the plane of said rim, the flange having a plurality of annularly-arranged and spaced, radially-extending, elongated or oval-shaped openings. Spaced above said flange is a second and smaller flange axially carried by said column and also having a plurality of radially-extending, annularly-arranged and spaced, elongated or oval openings aligned with respective oval openings of the larger lower flange. The column is hollow and has a large recess in the lower portion with a reduced diameter recessed part extending upwardly from the upper end of said large recess. At the upper end of the reduced diameter part of the recess a pair of walls extend laterally apart to provide space for reception of a cross pin of an upstanding centrifuge drive shaft, there being a bore extending upwardly from the upper end of the reduced diameter part of the recess and through an upstanding axial stem for stabilizing reception of a part of the drive shaft above the cross pin. The oval openings in the flanges are adapted to operably receive test tubes therein and the webs between every other opening in the smaller, upper flange have a hook with a part embedded in the webs and an arm facing radially outwardly and spaced below the underside of the webs. An elastic band of rubber, or other suitable resilient material, is carried by the hooks, the portions of the band between hooks extending across or crossing or spanning the openings intermediate the ends of said openings and closer to the inner ends of said openings than the outer ends. The band portions are spaced from the inner ends of the openings a distance less than the diameter of test tubes operably disposed in said openings, so that said band parts or portions resiliently and yieldingly urge the test tubes inwardly against the walls defining the inner ends of said openings and hold same in such position when the rotor is not operating, even when the rotor is turned upside down. However, the band permits the test tubes to pivot on the walls defining the inner ends of said openings. The lower part of said tubes are adapted to swing outwardly by centrifugal force when the rotor is rotated, the tubes extending through the openings in the lower flange which are longer than the openings in the upper flange to permit the lower part of such tubes to be thrown outwardly. The lower flange has a depending flange which limits upward movement of the test tubes when the device is operably rotated and the bowl prevents the test tubes from being thrown out of the device. The band portions or parts that cross or span the openings in the upper flange are spaced from the inner end walls of the openings a sufficient distance to permit the test tubes to be easily flipped into the inner portions of the openings of said upper flange but said test tubes are held within said openings, even when the device is inverted.
    • 离心机转子具有中空的凹形碗,其具有在碗的边缘的平面上方向上延伸的大的轴向柱,并且在轴向上设置有比碗的边缘的直径小的凸缘并且间隔开 所述凸缘具有多个环形布置且间隔开的径向延伸的细长或椭圆形的开口。 位于所述凸缘上方的间隔是由所述柱轴向承载的第二和较小的凸缘,并且还具有与较大下凸缘的相应椭圆形开口对准的多个径向延伸的,环形布置和间隔开的细长或椭圆形的开口。
    • 23. 发明授权
    • Intracutaneous injection system
    • 异位注射系统
    • US3688764A
    • 1972-09-05
    • US3688764D
    • 1970-08-20
    • BARD HAMILTON CO INC
    • REED JACK OWEN
    • A61B17/20A61B10/00
    • A61B17/205
    • The present invention is directed to an intradermal injection system adapted for multiple mass use, particularly for mass diagnostic testing such as the Heaf Multiple Puncture Tuberculic Test. The structure includes an elongated finger grip skin puncture applicator with a set of puncture points mounted in the base face of the applicator. Associated with the applicator is a solution holder having therein an antigen well of pre-determined capacity. An escape channel leading to an overflow well removes any excess antigen from the well. Upstanding from the center of the antigen well is a centering and stop element which cooperates with a correspondingly shaped depression inside the base of the applicator so that the applicator may be centered in the antigen well with all of the applicator puncture points wetted by the antigen solution therein to a pre-determined level.
    • 本发明涉及一种适用于多重质量使用的皮内注射系统,特别是用于大量诊断测试,例如多孔穿刺结核试验。
    • 24. 发明授权
    • Fluid flow control mechanism
    • 流体流量控制机理
    • US3648968A
    • 1972-03-14
    • US3648968D
    • 1969-08-07
    • HAMILTON CO
    • REID JOHN DSEIBEL ARTHUR C
    • F16K31/363F16K47/04
    • F16K31/363
    • A foot pedal fluid control valve having a normally closed movable valve member substantially balanced by fluid pressure with the effective pressure thereon in the closing direction sufficiently greater than the effective pressure in the opening direction to normally maintain said valve closed. The valve is connected with a pair of pistons of slightly different sized pressure areas upon which fluid pressure is exerted in opposite directions to render the valve very sensitive and responsive for very accurate control.
    • 一种脚踏液体控制阀,其具有通过流体压力基本上平衡的常闭可动阀构件,其中闭合方向上的有效压力足够大于打开方向上的有效压力,以正常保持所述阀关闭。 阀与一对具有稍微不同的大小压力区域的活塞连接,在该区域上以相反方向施加流体压力,使得阀非常敏感并且响应非常精确的控制。
    • 27. 发明授权
    • Method of controlling ammonia emissions from animal agriculture operations
    • 控制动物农业经营中氨排放的方法
    • US09155282B2
    • 2015-10-13
    • US14171988
    • 2014-02-04
    • Jones-Hamilton Co.
    • Eric P. EutslerCarl J. Knueven
    • A01K1/01A01K1/00
    • A01K1/01A01K1/0082
    • An apparatus is disclosed for applying a chemical, such as an ammonia control chemical, in an animal house. The apparatus includes spreading apparatus adapted to be installed at an elevated position in the animal house and adapted for spreading the chemical onto the floor in the house. The apparatus also includes feeding apparatus adapted for feeding the chemical from a supply to the spreading apparatus. A method of controlling ammonia emissions from an animal agriculture operation includes applying an ammonia control chemical during both the early part and the late part of the grow out of the animals so that the chemical contacts ammonia from animal waste and reduces or prevents its emission into the air.
    • 公开了一种用于将化学物质(例如氨控制化学品)施用于动物屋中的装置。 该装置包括适于安装在动物房屋中的升高位置并适于将化学物质分散到房屋地板上的铺展装置。 该装置还包括适于将化学品从供给装置输送到铺展装置的进给装置。 控制来自动物农业操作氨排放的方法包括在动物的生长的早期和晚期部分施用氨控制化学物质,使得化学物质接触来自动物废物的氨,并减少或阻止其发射进入 空气。
    • 28. 发明申请
    • Alkali Metal Bisulfate Method
    • 碱金属硫酸氢盐法
    • US20150150264A1
    • 2015-06-04
    • US14611388
    • 2015-02-02
    • Jones-Hamilton Co.
    • Carl J. KnuevenRichard M. Basel
    • A01N59/02
    • A01N59/02A01N25/12A01N25/24A01N59/20
    • An agricultural treatment method involves applying alkali metal bisulfate to modify surface pH on growing plants, or on seeds before planting, in an agricultural area. In certain aspects, the method involves applying an aqueous composition including the alkali metal bisulfate to the plants or seeds. The alkali metal bisulfate may be sodium bisulfate. An aqueous composition includes an alkali metal bisulfate in an amount from 0.1% to 5% by weight. The composition also includes a second material selected from stickers, antimicrobial agents, chelating agents, surfactants, or combinations thereof. Water makes up the final composition.
    • 一种农业处理方法包括在农业区域中加入碱金属硫酸氢盐以改善生长植物或种植前的种子的表面pH。 在某些方面,该方法包括将包含碱金属硫酸氢盐的含水组合物施用于植物或种子。 碱金属硫酸氢盐可以是硫酸氢钠。 水性组合物包含0.1〜5重量%的碱金属硫酸氢盐。 组合物还包括选自不干胶,抗微生物剂,螯合剂,表面活性剂或其组合的第二种材料。 水构成最终组合。