FIELD: electrical engineering. SUBSTANCE: form has two pairs of identical parts: flanges with branch pipe 1 with stepped butt and U-shaped walls 2 with stepped butts. During assembly parts of form are joined with the use of cement or ultrasonic welding. Invention lies in splitting of sleeve into two identical parts of U-shape which makes it possible to change direction of pressing and increase accuracy of form dimensions. EFFECT: capability of change of pressing direction and increased accuracy of form dimensions. 5 dwg
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