Importance

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Abstract

The present invention provides a pipe tapping apparatus to couple new pipes to an existing pipe. The pipe tapping apparatus includes a base pipe, having a saddle-shaped socket part to be in close contact with the main pipe to pass a fluid therein; and a bending part coupled to the saddle-shaped socket part. The pipe tapping apparatus further includes a coupling pipe to be coupled to the sub-pipe extending to a predetermined place in which the supplied fluid is used, with a ball valve provided in the coupling pipe to control the flow of fluid passing through the coupling pipe. The pipe tapping apparatus further includes an electric heat-welding pipe to couple the coupling pipe to the base pipe. The electric heat-welding pipe has a first heating wire which is provided in the electric heat-welding pipe to weld the electric heat-welding pipe to the base pipe, and a second heating wire which is provided in the electric heat-welding pipe to integrate the coupling pipe with the electric heat-welding pipe. The pipe tapping apparatus further includes a first positioning unit which is removably coupled to an end of the coupling pipe, with a first through hole provided in the center of the first positioning unit, thus guiding a process of tapping the main pipe using the cutting drill passing through the first through hole of the first positioning unit.

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First Claim