Method and apparatus for mining vein material only专利检索-钻爆法通用采矿技术专利检索查询-专利查询网

Method and apparatus for mining vein material only

阅读：362发布：2022-05-16

专利汇可以提供Method and apparatus for mining vein material only专利检索，专利查询，专利分析的服务。并且A method of mining vein or reef type mineral deposits in which a series of elongate holes are cut or drilled above and below or to each side of the mineral vein or reef. The holes may be contiguous to form a continuous slot or adjacent but spaced, a wedging tool being used to remove the intervening pillars when the slots have been cut to the desired depth, the mineral deposit is removed by bursting out or the like.，下面是Method and apparatus for mining vein material only专利的具体信息内容。

权利要求

1. A method of winning reef or vein type mineral deposits comprising the steps of forming by a transversely elongated cutting bit subjected simultaneously to an axial percussive force and a limited transverse oscillatory movement, a series of substantially rectangular holes directly above and below and/or directly at each side of the reef or vein to provide slots around the mineral deposit to be extracted to separate the mineral deposits from the surrounding strata, and thereafter removing only the separated mineral deposits leaving behind all waste matter.

2. The method as claimed in claim 1, comprising the step of forming the series of substantially rectangular holes adjacent and contiguous to each other.

3. The method as claimed in claim 1, comprising the steps of forming the series of substantially rectangular holes adjacent but spaced from each other, and thereafter removing the intervening burden or material remaining between the adjacent holes.

4. Apparatus for wining reef or vein type mineral deposits comprising a base, a drill rod carried by the base, a percussive unit for acting on one end of the drill rod to apply axial percussive forces thereto, a transversely oval or elliptical cutting bit secured to the other end of the drill rod, a semi-rotary actuator mounted on the base and through which the drill rod extends and moves while being oscillated by the actuator, and means for advancing the percussive unit and hence the drill rod and cutting bit relative to the base to cut in a face substantially rectangular holes.

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Method and apparatus for mining vein material only

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