Fastening device (2) preventing deflection of pressure die (3) comprises cylinder powered fastening means (15) and stretch bars where the pre-stretched bars act as piston rods. The locking device is especially applicable in hydroforming apparatuses.
申请公布号
WO0058040(A1)
申请公布日期
2000.10.05
申请号
WO2000NO00102
申请日期
2000.03.22
申请人
NORSK HYDRO ASA;RADDUM, SVEINUNG, GIHLE;ENG, STEIN, MORTEN;BROBAK, TOR, JOHAN
发明人
RADDUM, SVEINUNG, GIHLE;ENG, STEIN, MORTEN;BROBAK, TOR, JOHAN
