FIELD: plastic metal working. SUBSTANCE: device has profile blocks mounted in movable bodies and a stack of forming die members rigidly connected to telescopic bush members, a seal transfer bar and mechanisms for positioning dies at a particular angle which have threaded members in the form of screws and thrusts. The forming die members and the profile blocks are of the same outer diameter, and part of the telescopic bush members are made with projections. The die members have slots. The die member support is formed by guide bush members which have projections facing each other. EFFECT: improved quality. 10 dwg
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