HITTING APPARATUS

申请公布号：JPS6138088(A)

申请号：JP19850159225

申请日期：1985.07.18

申请公布日期：1986.02.24

申请人：

PAURU SHIYUMITSUTO

发明人：PAURU SHIYUMITSUTO

分类号：E02D7/02;E02D13/10;E21B7/20;E21D9/06

主分类号：E02D7/02

摘要：In an apparatus for driving open-ended pipes through the ground, a hollow intermediate piece having a truncated conical transition portion with outlet openings for the removal of soil, which is forced into the pipe during driving, is disposed between the rearward end of the pipe and a pneumatic rammer for driving the pipe.

INJECTION MOLD

RECOMBINANT PLASMID

TWO-PIPE TYPE VAPOR CENTRAL HEATING DEVICE

DEVICE FOR CUTTING PIPE END

CHUCK UNIT

NUMERICAL CONTROL DEVICE

MULTI-CONNECTION TYPE PULSE BURNER

WORK TRANSFER APPARATUS

EXTRUSION MOLDING MACHINE

ROLL PAPER SUPPORTING APPARATUS OF RECORDER

INTEGRATED CIRCUIT

LIQUID FUEL BURNER

LOAD OBSERVATION SYSTEM

FEED RATE DETERMINING SYSTEM FOR ROTATING SHAFT OF ELECTRIC DISCHARGE MACHINING DEVICE

DATA DECISION CIRCUIT

DATA TRANSMISSION EQUIPMENT

GATE DRIVE CIRCUIT

LOWER PRESSURE MERCURY VAPOR DISCHARGE LAMP

BURNER

PHOSPHOR DISPLAY DEVICE