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    • 3. 发明授权
    • Asphalt additive
    • 沥青添加剂
    • US6024788A
    • 2000-02-15
    • US210461
    • 1998-12-14
    • Keiichiro TomiokaRyoichi TamakiKazuo Isobe
    • Keiichiro TomiokaRyoichi TamakiKazuo Isobe
    • C08K5/17C08K5/521C08L95/00C09D195/00
    • C08K5/521C08L95/00
    • The present invention provides an asphalt composition comprising an asphalt and antistripping additive comprising at least one of the compound having the formula (I), (II) or (III):[R.sup.1 O--(PO).sub.m (EO).sub.n ].sub.x --P(=O)--(OH).sub.y(I)wherein R.sup.1 represents a linear hydrocarbon radical having 8 to 24 carbon atoms or an alkyl phenyl group having 8 to 24 carbon atoms, PO represents oxypropylene group, EO represents oxyethylene group, each of m and n represents the number of added molecules, m is a number of 1 to 6, n is a number of 0 to 6;[R.sup.2 O--(PO).sub.m (EO).sub.n ].sub.x --P(=O)--(OH).sub.y(II)wherein R.sup.2 represents an aliphatic hydrocarbon radical having a branched methyl group and having 8 to 24 carbon atoms, PO represents oxypropylene group, EO represents oxyethylene group, each of m and n represents the number of added molecules, m is a number of 0 to 6, n is a number of 0 to 6; and[R.sup.3 O--(PO).sub.m (EO).sub.n ].sub.x --P(=O)--(OH).sub.y(III)wherein R.sup.3 represents an aliphatic hydrocarbon radical having two or more branched methyl groups or at least one of branched group including 2 or more carbons and having 8 to 24 carbon atoms, PO represents oxypropylene group, EO represents oxyethylene group, each of m and n represents the number of added molecules, m is a number of 0 to 6, n is a number of 0 to 6, each of x and y of the formula (I), (II) or (III) being a number of 1 to 2, the sum total of x and y being 3, R.sup.1,R.sup.2 and R.sup.3 being saturated or unsaturated.
    • 本发明提供一种沥青组合物,其包含沥青和抗分解添加剂,其包含至少一种具有式(I),(II)或(III)的化合物:[R 1 O-(PO)m(EO)n] x P(= O) - (OH)y(I)其中R 1表示具有8至24个碳原子的直链烃基或具有8至24个碳原子的烷基苯基,PO表示氧化亚丙基,EO表示氧化乙烯基,m和n各自 表示加成分子数,m为1〜6的数,n为0〜6的数; [R2O-(PO)m(EO)n] xP(= O) - (OH)y 其中R2表示具有支链甲基并且具有8-24个碳原子的脂族烃基,PO表示氧化丙烯基,EO表示氧化乙烯基,m和n各自表示加成分子数,m表示0〜6的数 ,n为0〜6的数; 和[R3O-(PO)m(EO)n] xP(= O) - (OH)y(III)其中R3表示具有两个或更多个支链甲基或至少一个支链基团的脂族烃基, 碳原子数为8〜24,PO表示氧化亚丙基,EO表示氧化乙烯基,m和n分别表示分子数,m表示0〜6的数,n表示0〜6的数, 式(I),(II)或(III)的x和y各自为1至2的数,x和y的总和为3,R 1,R 2和R 3为饱和或不饱和的。
    • 8. 发明授权
    • Suction pad
    • 吸盘
    • US06264185B1
    • 2001-07-24
    • US09553138
    • 2000-04-19
    • Kazuo IsobeHiroshi Shoda
    • Kazuo IsobeHiroshi Shoda
    • B25B1100
    • B25B11/005Y10T279/11
    • A suction pad (A) is adapted to be placed on a suction table (2) a plurality of openings (2a) connected to a negative pressure generating source (3) in order to fix a work piece (W) by suction on a top surface (5d) of the suction pad (A). The suction pad (A) includes a communicating passage (5a, 5b, 5c and 6a) for communicating the top surface (5d) with a bottom surface (6b) of the suction pad (A) and for communicating negative pressure from the openings (2a) of the suction table (2) to the top surface (5d) of the suction pad (A) when the suction pad (A) is placed on any one of the openings (2a) of the suction table (2). A magnet (10) is provided for attracting a plug (4) for normally closing each of the openings (2a) of the suction table (2) so as to communicate the negative pressure generating source (3) with the communicating passage (5a, 5b, 5c and 6a).
    • 吸盘(A)适于放置在吸盘(2)上,连接到负压产生源(3)的多个开口(2a),以便通过抽吸将工件(W)固定在顶部 吸盘(A)的表面(5d)。 吸盘(A)包括用于使顶表面(5d)与吸盘(A)的底表面(6b)连通并且用于连通来自开口的负压的连通通道(5a,5b,5c和6a) 当吸盘(A)被放置在吸盘(2)的任何一个开口(2a)上时,吸盘(2)的表面(2a)到吸盘(A)的顶表面(5d)。 提供磁体(10),用于吸引用于通常关闭吸盘(2)的每个开口(2a)的塞子(4),以将负压产生源(3)与连通通道(5a, 5b,5c和6a)。