Process for the production and treatment of concrete blocks
    1.
    发明授权
    Process for the production and treatment of concrete blocks 失效
    混凝土块的生产和处理工艺

    公开(公告)号:US5133915A

    公开(公告)日:1992-07-28

    申请号:US522589

    申请日:1990-05-11

    CPC classification number: B28D1/185 B28B11/0818

    Abstract: A process for the production and treatment of concrete blocks, which are produced in molds filled with concrete and are imprinted on their surface by means of dies that exhibit recesses or protrusions. Subsequently thereto, the surface of the concrete blocks is roughened or formed or textured and freed of loose particles by brushes, in particular strip brushes and roller brushes.

    Abstract translation: 一种用于生产和处理混凝土块的方法,其在填充有混凝土的模具中生产并且通过显示凹陷或突起的模具压印在其表面上。 随后,混凝土块的表面被粗糙化或形成或纹理化,并且通过刷子,特别是带状刷和辊刷除去松散的颗粒。

    Process for the catalytic hydrogenation of nitrobenzene
    2.
    发明授权
    Process for the catalytic hydrogenation of nitrobenzene 失效
    硝基苯的催化氢化方法

    公开(公告)号:US4265834A

    公开(公告)日:1981-05-05

    申请号:US66977

    申请日:1979-08-16

    Abstract: A process for the hydrogenation of nitrobenzene to aniline is described wherein the nitrobenzene is contacted with hydrogen in the presence of a multi-component supported catalyst containing 1 to 20 grams of noble metal per liter of support and 1 to 20 grams per liter of support of one or more transition metal of the Groups IVa, Va, or VIa of the Periodic Table. The catalyst can contain 1 to 20 grams per liter of support of a further transition group element or of a member of the main group. The catalyst is one which has been prepared by a process involving pretreatment of the support with a base prior to impregnation with the catalytically active substances, followed by drying to a residual moisture content of less than 10 percent of the maximum absorbency of the support.

    Abstract translation: 描述了将硝基苯氢化为苯胺的方法,其中硝基苯在氢气存在下,每升载体含有1至20克贵金属和每升支撑物1至20克的多组分负载型催化剂存在下,与氢气接触 周期表第Ⅳa,Ⅴa或Ⅵa族的一种或多种过渡金属。 催化剂可以含有1至20克/升的另一过渡组元素或主组成员的载体。 该催化剂是通过在用催化活性物质浸渍之前用碱预处理载体的方法制备的催化剂,然后干燥至小于载体最大吸收度的10%的残余水分含量。

    Concrete blocks having through holes for water drainage
    3.
    发明授权
    Concrete blocks having through holes for water drainage 失效
    具有排水通孔的混凝土块

    公开(公告)号:US5400561A

    公开(公告)日:1995-03-28

    申请号:US161510

    申请日:1993-12-06

    Applicant: Josef Metten

    Inventor: Josef Metten

    CPC classification number: B28B11/04 E01C11/225 E01C2201/207

    Abstract: In the case of concrete blocks having narrow through holes for water drainage (perforated blocks), in particular paving stones of various formats and sizes that can be laid on surfaces exposed to the rain, such as streets, paths, squares, parking areas and rings around planted trees, and can be filled by means of jointing means or by means of sand at the lateral ends, the problem exists that the holes become plugged upon jointing or sanding-in. In order to prevent this, the holes are closed at their top end until the jointing or sanding-in operation is complete. This is advantageously accomplished by means of a filling agent that can be floated away or dissolves by means of the addition of water.

    Abstract translation: 在具有用于排水(穿孔块)的窄通孔的混凝土块的情况下,特别是可以放置在暴露于雨的表面上的各种形式和尺寸的铺路石,例如街道,路径,广场,停车场和环 围绕种植的树木,并且可以通过接合方式或通过在侧端处的沙子来填充,问题在于,孔在接合或打磨时被堵塞。 为了防止这种情况,孔在其顶端封闭,直到接合或打磨操作完成。 这有利地通过可以通过添加水而浮起或溶解的填充剂来实现。

    Method and device for the fabrication of perforated blocks
    4.
    发明授权
    Method and device for the fabrication of perforated blocks 失效
    用于制造穿孔块的方法和装置

    公开(公告)号:US5397228A

    公开(公告)日:1995-03-14

    申请号:US3248

    申请日:1993-01-11

    Applicant: Josef Metten

    Inventor: Josef Metten

    CPC classification number: B28B1/44 B28B7/183 Y10S425/037

    Abstract: Device for the fabrication of concrete blocks having thin through holes for the drainage of water (perforated blocks), the fabrication taking place in at least one mold filled with concrete, which mold is supported on a mold table, and at least one male die for the compaction of the concrete. In order to create the thin holes, core pins are arranged in the region of the male dies or of the mold table or of the mold, which core pins are introduced inside the mold before the compaction of the concrete. Afterward, the concrete is compacted, the core pins are removed from the region of the mold, the compacted concrete blocks are completely demolded, and the concrete blocks are cured.

    Abstract translation: 用于制造具有用于排水的薄通孔(多孔块)的混凝土块的装置,在至少一个填充有混凝土的模具中进行制造,该模具被支撑在模具台上,以及至少一个阳模 混凝土的压实。 为了形成细孔,芯销布置在阳模或模台或模具的区域中,在压实混凝土之前,芯销被引入模具内。 之后,混凝土被压实,将芯柱从模具的区域移除,压实的混凝土块完全脱模,混凝土块固化。

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