FIELD: plastic working of metals. SUBSTANCE: unit has container mounted on plate and provided with flexible pad. Container is connected with plate for axial movement relative to plate. Container has locking clips and reinforcing chamber, formed as reinforcing container with additional flexible pad and plunger, and stepped intermediate plate, which is mounted with its larger step on additional flexible pad for axial movement. EFFECT: increased efficiency by providing for increased pressure in working zone and improved strength of elastic medium. 1 dwg
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