FIELD: equipment for making cans. SUBSTANCE: device includes drive of plunger whose front end carries working tool. Plunger is arranged in hydraulic bearing. Cooling liquid is fed to surface of plunger located in front of bearing. First and second wiping seals are engageable with cylindrical outer surface of plunger; each seal is provided with flexible flaps. Seals are located before hydrostatic bearing. Flap of first seal moves liquid coolant forward and flap of second seal moves hydraulic fluid of hydraulic bearing backward, thus excluding mixing of these liquid. EFFECT: improvement of construction. 16 cl, 10 dwg
