a hammer housing means for slidably receiving said sliding hammer means, said hammer housing means having a two ended first cylindrical air chamber means having a base means at one end for receiving the impact from said sliding hammer means and a wall means located at the other end of said first cylindrical air chamber against which said sliding hammer means slides after impacting said base means, said wall means having air passage means therein, said base means having check valve means to exhaust air from said hammer housing means to the atmosphere as said sliding hammer is sliding toward impact with said base means, a generally cylindrical slidable valve means contained in said housing means for controlling the flow of air under superatmospheric pressure to slide said sliding hammer means in said housing means, said housing means including: an air supply means connected to said housing means for providing air under superatmospheric pressure to said housing means to slide said sliding hammer means to impact against said housing means,ĭ. a sliding hammer means slidably contained in said housing means for impacting against said housing means to remove said plug from said structure,Ĭ. a housing means for connection to said plug,ī. A pneumatic slide hammer for removing a plug from a tube comprising:Ī.
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