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    • 65. 发明授权
    • Photoinitiator blends
    • US6103453A
    • 2000-08-15
    • US268725
    • 1999-03-17
    • Bernhard PrantlErich BeckMatthias LokaiChristof Kandzia
    • Bernhard PrantlErich BeckMatthias LokaiChristof Kandzia
    • C07F9/53C08F2/50G03F7/029G03C1/73
    • C08F2/50G03F7/029Y10S430/117Y10S522/908
    • A photoinitiator blend, containinga) at least one monoacylphosphine oxide of formula I ##STR1## in which R.sup.1 denotes C.sub.1 -C.sub.18 alkyl; C.sub.1 -C.sub.4 alkyl, C.sub.5 -C.sub.8 cycloalkyl, C.sub.7 -C.sub.9 phenylalkyl, phenyl, naphthyl, biphenyl, all substituted by halogen or C.sub.1 -C.sub.6 alkoxy; phenyl, naphthyl or biphenylyl, all mono- or poly-substituted by halogen, C.sub.1 -C.sub.12 alkyl and/or C.sub.1 -C.sub.12 alkoxy; or a monovalent N--, O--, or S--containing 5-membered or 6-membered heterocyclic radical,R.sup.2 denotes phenyl, naphthyl, biphenylyl; phenyl, naphthyl or biphenylyl, all mono- or poly-substituted by halogen, C.sub.1 -C.sub.12 alkyl and/or C.sub.1 -C.sub.12 alkoxy; a monovalent N--, O--, or S--containing 5-membered or 6-membered heterocyclic radical, C.sub.1 -C.sub.18 alkoxy, phenoxy; phenoxy substituted by halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy; benzyloxy, cyclohexyloxy or R.sup.2 and R.sup.1 form a ring together with the phosphorus atom,R.sup.3 denotes C.sub.1 -C.sub.18 alkyl; C.sub.1 -C.sub.4 alkyl, C.sub.5 -C.sub.8 cycloalkyl, C.sub.7 -C.sub.9 phenylalkyl, phenyl, naphthyl, biphenylyl, all substituted by halogen or C.sub.1 -C.sub.6 alkoxy; phenyl, naphthyl or biphenylyl, all mono- or poly-substituted by halogen, C.sub.1 -C.sub.12 alkyl and/or C.sub.1 -C.sub.12 alkoxy; a monovalent N--, O--, or S--containing 5-membered or 6-membered heterocyclic radical or a group ##STR2## in which X C.sub.2 -C.sub.8 alkene, cyclohexylene or unsubstituted or; phenylene, or biphenylene, both substituted by halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy;b) at least one diacylphosphine oxide of formula II ##STR3## in which R.sup.4 denotes C.sub.1 -C.sub.18 alkyl; C.sub.1 -C.sub.4 alkyl, C.sub.5 -C.sub.8 cycloalkyl, C.sub.7 -C.sub.9 phenylalkyl, phenyl, naphthyl, biphenylyl, all substituted by halogen or C.sub.1 -C.sub.6 alkoxy; phenyl, naphthyl or biphenylyl, all mono- or poly-substituted by halogen, C.sub.1 -C.sub.12 alkyl and/or C.sub.1 -C.sub.12 alkoxy; a monovalent N--, O--, or S--containing 5-membered or 6-membered heterocyclic radical, C.sub.1 -C.sub.18 alkoxy, phenoxy; phenoxy substituted by halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy; benzyloxy, cyclohexyloxy andR.sup.5 and R.sup.6 independently denote C.sub.1 -C.sub.18 alkyl; C.sub.1 -C.sub.4 alkyl, C.sub.5 -C.sub.8 cycloalkyl, C.sub.7 -C.sub.9 phenylalkyl, phenyl, naphthyl, biphenylyl, all substituted by halogen or C.sub.1 -C.sub.6 alkoxy; phenyl, naphthyl or biphenylyl, all mono- or poly-substituted by halogen, C.sub.1 -C.sub.12 alkyl and/or C.sub.1 -C.sub.12 alkoxy; a monovalent N--, O--, or S--containing 5-membered or 6-membered heterocyclic radical.
    • 70. 发明授权
    • Disc brake with ring-shaped pressing element
    • 碟形制动器带环形按压元件
    • US5366047A
    • 1994-11-22
    • US987467
    • 1992-12-07
    • Erich BeckManfred MinningEmil NaumannJoseph Wese
    • Erich BeckManfred MinningEmil NaumannJoseph Wese
    • F16D65/00F16D65/14F16D65/18F16D65/38
    • F16D65/0006F16D2125/06
    • In disc brakes, disturbing noises, such as whistling or squealing, occurring during braking operations can be prevented if the brake shoe, to be pressed against a brake disc by a pressure member, for example a hydraulically actuated piston, is taken along in the circumferential direction of the latter as soon as the brake shoe comes into contact with the brake disc, and is laid against bearing faces of a brake anchor plate. Accordingly, the pressure member is provided, on its end face facing the brake shoe, a pressing element which projects beyond the end face, is transversely movable to a limited extent and returns automatically to its initial position again, and which is arranged in the pressure member so as to be axially displaceable counter to a return force which, in the event of mutual contact between the pressing element and brake shoe, is lower than the pressing force of the pressure member.
    • 在盘式制动器中,如果通过压力构件例如液压致动的活塞压在制动盘上的制动蹄沿着圆周方向被取走,则可以防止在制动操作期间发生诸如哨声或尖叫声的干扰噪声 一旦制动蹄与制动盘接触,该制动器的方向就放在制动器锚板的轴承面上。 因此,压力构件在其面向制动蹄的端面上设置有突出超过端面的按压元件,其横向可移动到有限的程度并且再次自动返回到其初始位置,并且被设置在压力 构件相对于在按压元件和制动蹄之间相互接触的情况下低于压力构件的按压力的回复力轴向移动。