To provide a peeling device capable of easily peeling a coating resin from a core material by surely forming a cut in a synthetic resin coating body for peeling the coating resin.

This peeling device P for peeling the coating resin 42 from the synthetic resin coating body 4 formed by covering the core material 41 with synthetic resin is provided with a tubular guide part 1 for inserting the synthetic resin coating body 4, a cutting blade 2 provided on an insertion passage inside the guide part 1, and a pushing part 3 provided facing the cutting blade 2; and is so constituted as to form the cut in the length direction of the coating resin 42 with the cutting blade 2 by moving the synthetic resin coating body 4 along the guide part 1 while pushing the synthetic resin coating body 4 toward the cutting blade 2 via the pushing part 3.

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