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    Explosive composition and eutectic mixture therefor
    2.
    发明授权
    Explosive composition and eutectic mixture therefor 失效
    爆炸性组合物及其保护性混合物

    公开(公告)号：US3926696A

    公开(公告)日：1975-12-16

    申请号：US41372073

    申请日：1973-11-07

    Applicant: DYNAMIT NOBEL AG

    Inventor： KLUNSCH MAXIMILIAN ,  LINGENS PAUL ,  RATZ HEINZ

    IPC: C06B31/32 ,  C06B43/00 ,  C06B47/00 ,  C06B45/00

    CPC classification number: C06B43/00 ,  C06B31/32 ,  C06B47/00

    Abstract: A high energy explosive composition comprising an inorganic oxygen supplying salt, a metallic fuel and a eutectic mixture comprising an oxygen supplying salt and a combustible compound capable of lowering the solidification point of the oxygen supplying salt in admixture therewith in the eutectic composition; a eutectic composition comprising an oxygen supplying salt, a compound capable of reducing the solidification of said oxygen supplying salt and in admixtured therewith at least 30% by weight of a composition comprising an alkanolamine nitrate or perchlorate.

    Method of filling aquiferous boreholes with explosives
    4.
    发明授权
    Method of filling aquiferous boreholes with explosives 失效
    用炸药填充含水钻孔的方法

    公开(公告)号：US3921497A

    公开(公告)日：1975-11-25

    申请号：US39172273

    申请日：1973-08-27

    Applicant: DYNAMIT NOBEL AG

    Inventor： CHRISTMANN WOLFGANG ,  KLUNSCH MAXIMILIAN ,  LINGENS PAUL

    IPC: F42D1/10 ,  F42B3/00

    CPC classification number: F42D1/10

    Abstract: In a method of filling aquiferous boreholes with a powdered ammonium nitrate explosive containing swelling and waterrepellentizing agents which is uncartridged by means of a gaseous propellant from a pressure tank through a conduit, the improvement which comprises feeding said explosive composition to said aquiferous borehole through an orifice positioned toward the bottom of the borehole and thereafter step-wise or continuously withdrawing from the bottom such orifice from such conduit such that the orifice is located no more than 50 cm above the surface of the delivered explosive and below the surface of the water in the borehole.

    Abstract translation: 在用含有膨胀的粉状硝酸铵炸药和通过导管从压力罐通过气体推进剂未被引导的疏水剂填充含水层的方法中，所述改进包括将所述炸药组合物进料到所述含水钻孔中 孔朝向钻孔的底部定位，然后从这种管道逐步地或连续地从底部排出这样的孔，使得孔口位于所输送的炸药的表面上方不超过50cm并且在水面以下 在井眼。

    Method for increasing the safety against firedamp ignitions during blasting in underground mining and blasting elements used for said purpose
    5.
    发明授权
    Method for increasing the safety against firedamp ignitions during blasting in underground mining and blasting elements used for said purpose 失效
    地下采矿和喷砂元件爆破期间防火墙点火安全的方法

    公开(公告)号：US3648614A

    公开(公告)日：1972-03-14

    申请号：US3648614D

    申请日：1969-03-18

    Applicant: DYNAMIT NOBEL AG

    Inventor： BERTHMANN ADOLF ,  MORHENN ERNST ,  LINGENS PAUL

    IPC: F42D1/26 ,  F42D5/00

    CPC classification number: F42D1/26

    Abstract: The present disclosure is directed to a method for preventing firedamp ignitions during blasting in underground mining which comprises separating the space where the explosive charge is to be detonated from the space where the firedamp is present by providing therebetween a zone containing a layer in the form of, for example, a paste or a foam containing a liquid in a uniform distribution. The present disclosure is also directed to blasting elements for preventing said firedamp ignitions.

    Abstract translation: 本公开涉及一种用于在地下采矿中防止喷砂期间的燃烧器点火的方法，其包括通过在其间设置包含以下形式的层的区域来分离要被引爆的炸药的所在空间： 例如，含有均匀分布的液体的糊状物或泡沫体。 本公开还涉及用于防止所述燃烧器点火的爆破元件。

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