Polymerization autoclave
    1.
    发明授权
    Polymerization autoclave 失效
    聚合釜

    公开(公告)号:US4298576A

    公开(公告)日:1981-11-03

    申请号:US097708

    申请日:1979-11-27

    摘要: A polymerization autoclave for the suspension polymerization of vinyl compounds in the aqueous phase having a volume of from 50 to 200 m.sup.3, an impeller agitator driven from below at the bottom of the autoclave and two cylindrical displacement bodies acting as flow interrupters, secured downwardly from the autoclave dome, where the autoclave has a height-to-diameter ratio of from 2.4 to 3 with a critically dimensioned agitator and critically dimensioned flow interrupter fittings. By the use of this invention in the case large-scale autoclaves, the heat of polymerization can be removed merely by wall-cooling. The autoclave according to the invention are very economical, as shown by, for example, a spatial capacity of 0.3 to 0.4 metric tons of polyvinyl chloride per m.sup.3 autoclave volume.

    摘要翻译: 用于在水相中乙烯基化合物的悬浮聚合的聚合反应釜,其体积为50至200m 3,在高压釜底部从下方驱动的叶轮搅拌器和用作流动断路器的两个圆柱形位移体从 高压灭菌器圆顶,其中高压釜的高度与直径之比为2.4至3,具有严格尺寸的搅拌器和关键尺寸的流动断路器配件。 通过使用本发明,在大型高压釜的情况下,只能通过壁冷却来除去聚合热。 根据本发明的高压釜是非常经济的,例如由0.3至0.4公吨聚氯乙烯/ m3高压釜体积的空间容量所示。

    Process for suspension polymerization of vinyl chloride employing mixed
protective colloids
    2.
    发明授权
    Process for suspension polymerization of vinyl chloride employing mixed protective colloids 失效
    使用混合保护胶体的氯乙烯的悬浮聚合方法

    公开(公告)号:US4345056A

    公开(公告)日:1982-08-17

    申请号:US959796

    申请日:1978-11-13

    CPC分类号: C08F14/06

    摘要: An improvement in the process of producing polyvinyl chloride by the suspension process in the presence of protective colloids by utilizing a protective colloid mixture of from 20% to 80% of the protective colloid mixture of a polyvinyl acetate having a hydrolysis degree of 40 to 55 mol % and the remainder of the protective colloid mixture of (1) a water-soluble polyvinyl alcohol having a hydrolysis degree of 70 to 90 mol %, or (2) an aminoethyl-hydroxypropyl cellulose having a molar substitution of from 0.05 to 1.5 mols of aminoethyl groups and 3 to 5 mols of hydroxypropyl groups, or (3) a vinyl acetate/vinyl pyrrolidone copolymer having a ratio of vinyl pyrrolidone to vinyl acetate in the copolymer of 50% to 70% by weight to 30% to 50% by weight and a K-value of 25 to 40. By the use of this protective colloid mixture, the polyvinyl chloride produced exhibits a large absorption of plasticizer and gives finished products having a low number of specks.

    摘要翻译: 通过使用水解度为40〜55mol的聚乙酸乙烯酯的保护胶体混合物的20〜80%的保护胶体混合物,在保护胶体存在下,通过悬浮法制备聚氯乙烯的方法的改进 %,其余的(1)水解度为70〜90摩尔%的水溶性聚乙烯醇的保护胶体混合物,或(2)摩尔取代度为0.05〜1.5摩尔的氨基乙基 - 羟丙基纤维素 氨基乙基和3至5摩尔羟丙基,或(3)共聚物中乙烯基吡咯烷酮与乙酸乙烯酯的比率为50重量%至70重量%至30重量%至50重量%的乙酸乙烯酯/乙烯基吡咯烷酮共聚物 并且K值为25〜40。通过使用该保护胶体混合物,所生产的聚氯乙烯显示出较大的增塑剂吸收,并产生具有少量斑点的成品。

    Process for prevention of foaming when steam-stripping residual monomer
from aqueous polymer dispersions
    3.
    发明授权
    Process for prevention of foaming when steam-stripping residual monomer from aqueous polymer dispersions 失效
    当从水性聚合物分散体中汽提残余单体时,防止发泡的方法

    公开(公告)号:US4224437A

    公开(公告)日:1980-09-23

    申请号:US944404

    申请日:1978-09-21

    CPC分类号: C08F6/16

    摘要: In the process for steam-stripping residual monomer from an aqueous polymer dispersion comprising injecting steam into an aqueous polymer dispersion containing residual monomers and the customary amounts of emulsifiers and/or protective colloids, said dispersion having a solids content of from 15% to 55% by weight with simultaneous evacuation of the gas space above the dispersion whereby said gas space is maintained at a subatmospheric pressure and said residual monomers are volatilized, the improvement consisting of injecting a sufficient volume of steam into said aqueous polymer dispersion whereby from 5% to 50% by weight of the injected steam passes through said dispersion uncondensed, thereby substantially preventing formation of foam above said dispersion.

    摘要翻译: 在从含水聚合物分散体蒸汽汽提残余单体的方法中,包括将蒸汽注入含有残余单体的水性聚合物分散体和常规量的乳化剂和/或保护胶体中,所述分散体的固体含量为15%至55% ,同时排出分散体上方的气体空间,由此所述气体空间保持在低于大气压的压力下,并且所述残余单体挥发,其改进包括将足够体积的蒸汽注入所述聚合物水分散体中,由此5%至50 注入蒸汽的重量%通过所述分散体未冷凝,从而基本上防止在所述分散体上形成泡沫。

    Brake disc
    5.
    发明授权
    Brake disc 失效
    制动盘

    公开(公告)号:US07040466B2

    公开(公告)日:2006-05-09

    申请号:US10483955

    申请日:2002-06-07

    IPC分类号: B60T1/06

    摘要: The invention relates to a brake disc for a disc brake, in particular in motor vehicles. Said brake disc comprises a friction ring (12) and a pot-shaped supporting part (14), the friction ring consisting of several ring segments (18), which adjoin one another in a circumferential direction. To provide a construction that can be commercially produced in a cost-effective manner and that is not prone to warping, the ring segments are provided with semi-circular recesses (18a), which encompass retaining bolts (16) that extend radially. The retaining bolts are fixed in circumferential sections of the supporting part and support the ring segments by means of a positive fit in a centrifugal direction. The retaining bolts are preferably configured in a tubular manner.

    摘要翻译: 本发明涉及一种用于盘式制动器,特别是机动车辆的制动盘。 所述制动盘包括摩擦环(12)和盆形支撑部分(14),所述摩擦环由在圆周方向上彼此相邻的多个环形段(18)组成。 为了提供可以以成本有效的方式商业生产并且不易翘曲的结构,环形部分设置有半圆形凹部(18a),其包围径向延伸的固定螺栓(16)。 固定螺栓固定在支撑部分的圆周部分中,并通过在离心方向上的正配合来支撑环形段。 固定螺栓优选地以管状方式构造。

    Housing for securing a damping compression spring in an electromagnetic
switching apparatus
    7.
    发明授权
    Housing for securing a damping compression spring in an electromagnetic switching apparatus 失效
    用于在电磁开关装置中固定阻尼压缩弹簧的壳体

    公开(公告)号:US4056799A

    公开(公告)日:1977-11-01

    申请号:US637403

    申请日:1975-12-03

    申请人: Johann Bauer

    发明人: Johann Bauer

    IPC分类号: H01H50/30 H01H50/04 H01F7/08

    CPC分类号: H01H50/041 H01H50/305

    摘要: In the housing of an electromagnetic switching apparatus including a magnet coil and switching and non-switching magnet parts disposed within the housing, and at least one damping compression spring for biasing the non-switching magnet part in one direction in the housing, the spring having a plurality of turns of the same diameter and one end turn having a diameter greater than that of the plurality of turns for securing the spring in the housing, the improvement comprising hook-shaped projection members disposed within the housing about the periphery of the compression spring. The projection members are spaced apart from each other along a diameter of the spring by a distance which is greater than the diameter of the plurality of turns thereof but less than the diameter of the end turn. The plurality of turns of the spring are axially movable between the projection members while the end turn of the spring is engaged by the members. The compression spring is thus axially movably secured in the housing of the switching apparatus.

    摘要翻译: 在包括电磁线圈和设置在壳体内的切换和非切换磁体部件的电磁开关装置的壳体中,以及至少一个阻尼压缩弹簧,用于在壳体中沿一个方向偏压非切换磁体部件,弹簧具有 具有相同直径的多个匝和一个端部匝具有大于用于将弹簧固定在壳体中的直径的多个匝的直径,改进包括设置在壳体内的围绕压缩弹簧的周边的钩形突出构件 。 突出构件沿着弹簧的直径彼此间隔开大于其多个匝的直径但小于端匝的直径的距离。 弹簧的多个匝可以在突出部件之间轴向移动,同时弹簧的端部转动件被部件接合。 因此,压缩弹簧可轴向移动地固定在开关装置的外壳中。

    Electromagnetic switching device, especially contractor, with a contact bridge support lock
    8.
    发明授权
    Electromagnetic switching device, especially contractor, with a contact bridge support lock 失效
    电磁开关装置,特别是承包商,具有接触桥支撑锁

    公开(公告)号:US06750746B2

    公开(公告)日:2004-06-15

    申请号:US10221782

    申请日:2002-09-17

    IPC分类号: H01H6702

    CPC分类号: H01H9/345

    摘要: An electromagnetic switching device, especially a contactor, includes a base, an arc chamber removable from the base, a contact bridge support and a spring-loaded locking element. The contact bridge support projects into the arc chamber and can be displaced in a direction of actuation. The contact bridge support can be locked by the locking element when the arc chamber is taken off. The locking element is configured as a lever that is swiveled about a swiveling axis which extends in perpendicular to the direction of actuation.

    摘要翻译: 电磁开关装置,特别是接触器,包括基座,可从基座移除的电弧室,接触桥支架和弹簧加载的锁定元件。 接触桥支撑件突出到电弧室中并且可以在致动方向上移位。 当电弧室取下时,接触桥支撑件可以被锁定元件锁定。 锁定元件被构造为围绕垂直于致动方向延伸的旋转轴线旋转的杠杆。

    Contact arrangement for electric switchgear
    10.
    发明授权
    Contact arrangement for electric switchgear 失效
    电气开关柜的接触装置

    公开(公告)号:US4453057A

    公开(公告)日:1984-06-05

    申请号:US408884

    申请日:1982-08-17

    IPC分类号: H01H1/20

    CPC分类号: H01H1/2025

    摘要: A contact arrangement for electric switchgear is disclosed. The contact arrangement comprises a bifurcated offset contact bridge having two contact bridge parts, each of which is inserted into an opening in an actuating contact bridge carrier. Each contact bridge part rests on a first supporting surface of the opening. A spring retainer rests against the contact bridge and a compression spring is mounted between a second surface of the opening and the spring retainer. The spring retainer is guided in the contact bridge carrier against movement transverse to the direction of motion of the carrier. Each end of each contact bridge part is provided with a semicircular contact pad which, when the contact bridge parts are placed adjacent each other, form a bifurcated circular contact pad which engages with corresponding stationary contacts. Each part of the bifurcated contact bridge is provided with a recess on both sides in the area of the offset in order to maintain both contact bridge parts in close proximity with each other and to ensure proper contact engagement.

    摘要翻译: 公开了一种用于电气开关装置的接触装置。 接触装置包括具有两个接触桥接部分的分叉偏移接触桥,每个接触桥部分插入致动接触桥式载体中的开口中。 每个接触桥部分位于开口的第一支撑表面上。 弹簧保持器抵靠接触桥,并且压缩弹簧安装在开口的第二表面和弹簧保持器之间。 弹簧保持器在接触桥架中被引导,以防止横向于载体运动方向的运动。 每个接触桥接部分的每个端部设置有半圆形接触垫,当接触桥接件彼此相邻放置时,形成分叉的圆形接触垫,该接触垫与相应的固定接点接合。 分叉接触桥的每个部分在偏移区域的两侧设置有凹部,以便保持两个接触桥接部分彼此靠近并且确保正确的接触接合。