Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
  • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
  • B21D28/00—Shaping by press-cutting; Perforating
  • B21D28/002—Drive of the tools
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
  • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
  • F01B11/00—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
  • F01B11/007—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type in which the movement in only one direction is obtained by a single acting piston motor, e.g. with actuation in the other direction by spring means

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Press Drives And Press Lines (AREA)
• Control Of Cutting Processes (AREA)
• Auxiliary Devices For Machine Tools (AREA)
• Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=20330887

Family Applications (2)

Family Applications After (1)

Country Status (5)

Families Citing this family (4)

• 1977
  • 1977-03-30 SE SE7703725A patent/SE401902B/en unknown
• 1978
  • 1978-03-29 GB GB12284/78A patent/GB1584243A/en not_active Expired
  • 1978-03-30 IT IT7821294U patent/IT7821294V0/en unknown
  • 1978-03-30 DE DE19782813654 patent/DE2813654A1/en not_active Withdrawn
  • 1978-03-30 JP JP3743878A patent/JPS53128090A/en active Pending
  • 1978-03-30 IT IT21784/78A patent/IT1093987B/en active

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