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    • 5. 发明授权
    • Open sight addition for a telescopic gun sight
    • 望远镜瞄准镜瞄准镜
    • US4777730A
    • 1988-10-18
    • US892836
    • 1986-08-04
    • Edward R. Huggins
    • Edward R. Huggins
    • F41G1/00F41G1/38
    • F41G1/00F41G1/38
    • A two-part mounting ring (58) mounts a rear sight element (100, 114) of an open gun sight on a rear portion of a telescopic gun sight (10). A forward two-part mounting ring (32) mounts a forward open sight element (28) on a forward portion of the telescopic gun sight (10). The upper portion of the rear mounting ring (58) includes a vertical slideway (74). The rear sight element (100, 114) has a slide body (76, 106) located within the slideway (74) which is adjustable up and down along the slideway (74). A sight line carrying element (98, 112) is secured to the slide body (76, 106). The sight line carrying element (90) may be pivotally attached (94) to the slide body (76), for pivotal movement about a horizontal axis (94), between an upright in use position and an inactive position down close against the telescopic gun sight (FIG. 2). The front mounting ring (32) has an upper major portion (34) and a lower minor portion (36). The ring portions (34, 36) are secured together by fastener means (46, 48) which extend between fastener ears (38, 42 and 40, 44) at the ends of the two ring portions (34, 36). The fastener ears (38, 42 and 40, 44) are located within a horizontal zone (FIG. 4) which is substantially tangent to the lower boundary of a telescopic sight (10) and is narrower than the diameter of the telescopic sight (10).
    • 两部分安装环(58)将敞开的枪瞄准器的后视元件(100,114)安装在伸缩枪瞄准器(10)的后部上。 前部两部分安装环(32)将伸出的瞄准器(28)安装在伸缩枪瞄准器(10)的前部上。 后安装环(58)的上部包括垂直滑道(74)。 后视元件(100,114)具有位于滑道(74)内的滑动体(76,106),其可沿着滑道(74)上下调节。 视线承载元件(98,112)固定到滑动体(76,106)上。 视线承载元件(90)可以被枢转地附接到滑动体(76)上,用于围绕水平轴线(94)枢转运动,在直立的使用位置和靠近伸缩枪的非活动位置之间 视线(图2)。 前安装环(32)具有上部主部分(34)和下部小部分(36)。 环部分(34,36)通过在两个环部分(34,36)的端部处在紧固件耳(38,42和40,44)之间延伸的紧固装置(46,48)固定在一起。 紧固件耳(38,42和40,44)位于与伸缩瞄准器(10)的下边界基本相切的水平区域(图4)内,并且比伸缩瞄准器(10)的直径窄 )。
    • 8. 发明授权
    • Phosphorus esters of 5-pyrimidinols
    • 5-嘧啶醇的磷酸酯
    • US4429125A
    • 1984-01-31
    • US928665
    • 1978-07-28
    • Walter Reifschneider
    • Walter Reifschneider
    • A01N57/16C07F9/6512C07F9/65
    • C07F9/65125A01N57/16
    • Compounds of the formula: ##STR1## wherein R is hydrogen; alkyl of 1 to 8 carbons; alkylthiomethyl, alkylsulfinylmethyl or alkylsulfonylmethyl wherein alkyl contains 1 to 4 carbons; phenyl; phenylthio; alkylthio, alkylsulfinyl or alkylsulfonyl wherein alkyl contains 1 to 4 carbons; or alkylthio-ethylthio wherein alkyl contains 1 to 2 carbons;R' is hydrogen, methyl or alkylthio of 1 to 2 carbons;R" is hydrogen or methyl;X is oxygen or sulfur;R'" is alkyl of 1 to 2 carbons; andR"" is --OR'" or --S-alkyl of 1 to 4 carbons,are highly useful insecticides which are paricularly valuable when applied to the soil, but are also useful applied to foliage of crops or trees. Especially good control is obtained of corn rootworm, codling moth, thrips, leafhoppers, and nematodes. The compounds are conveniently applied in the form of a composition containing a pesticidal carrier such as an inert solvent or a finely divided inert solid in which case the composition is preferably granulated. An effective application rate is in the range of about 0.1 to about 5 pounds per acre when soil incorporated, and about 0.5 to about 2,000 ppm for foliar applications.
    • 下式的化合物:其中R是氢; 1至8个碳原子的烷基; 烷基硫甲基,烷基亚磺酰基甲基或烷基磺酰基甲基,其中烷基含有1至4个碳; 苯基; 苯硫基 烷硫基,烷基亚磺酰基或烷基磺酰基,其中烷基含有1至4个碳; 或烷硫基 - 乙硫基,其中烷基含有1至2个碳; R'是1至2个碳的氢,甲基或烷硫基; R“是氢或甲基; X是氧或硫; R“是1至2个碳的烷基; 或“1-4”碳的-S-烷基是非常有用的杀虫剂,在施用于土壤时具有特别的价值,但也可用于作物或树木的叶子。 获得了玉米根虫,苹果蠹蛾,蓟马,叶蝉和线虫的良好控制。 化合物方便地以含有杀虫载体如惰性溶剂或细碎惰性固体的组合物的形式施用,在这种情况下,组合物优选是造粒的。 当掺入土壤时,有效施用量在约0.1至约5磅/英亩的范围内,叶面施用量约为0.5至约2,000ppm。
    • 9. 发明授权
    • Polycarbonate type nonionic surfactants
    • 聚碳酸酯型非离子表面活性剂
    • US4415502A
    • 1983-11-15
    • US327375
    • 1981-12-04
    • John F. TimberlakeDaniel W. Baugh, Jr.Bobby Burkes
    • John F. TimberlakeDaniel W. Baugh, Jr.Bobby Burkes
    • C08G64/02C08G64/18C08G64/30C07C69/96
    • C08G64/0208C08G64/18C08G64/305Y10S516/01
    • Polycarbonate type nonionic surfactant compositions comprising monohydroxy alcohols capped with polycarbonate groups. More specifically, the surfactant compositions comprise aliphatic, nonaromatic cycloaliphatic or aromatic alcohols which have been capped with block polycarbonate groups formed by the reaction of the alcohols with ethylene carbonate in the presence of an alkali metal salt catalyst. The surfactant properties of the compositions may be varied by first reacting the alcohols with ethylene oxide to form a block polyether group cap on the alcohols before the reaction with ethylene carbonate or by further reacting the polycarbonate capped alcohols with ethylene oxide to form a terminal polyether block group. The surfactants formed are a random distribution mixture of compositions wherein 2 to 20 moles of ethylene carbonate and 3 to 50 moles of ethylene oxide per mole of the alcohols are reacted together.
    • 包含用聚碳酸酯基封端的一羟基醇的聚碳酸酯型非离子表面活性剂组合物。 更具体地说,表面活性剂组合物包括脂肪族,非芳族的脂环族或芳族醇,其已经用碱金属盐催化剂存在下通过醇与碳酸亚乙酯的反应形成的嵌段聚碳酸酯基封端。 组合物的表面活性剂性质可以通过首先使醇与环氧乙烷反应来改变,以在与碳酸亚乙酯反应之前在醇上形成嵌段聚醚基帽,或通过使聚碳酸酯封端的醇与环氧乙烷进一步反应形成末端聚醚嵌段 组。 所形成的表面活性剂是一种组合物的随机分布混合物,其中每摩尔醇将2至20摩尔碳酸亚乙酯和3至50摩尔环氧乙烷反应。