An internal pipe welding machine having a chassis with a front subframe being articulated relative to a rear subframe, the articulation being provided by a spherical bearing having a outer race secured to one of the front subframe and rear subframe and an inner race secured to the other of the front subframe and rear subframe.
申请公布号
WO0041842(A1)
申请公布日期
2000.07.20
申请号
WO2000GB00075
申请日期
2000.01.13
申请人
PIPE-O-TRONIC WELDING SERVICES LIMITED (IN LIQUIDATION);POWER, LESLIE, ERNEST;TAYLOR, REGINALD;BRENNAN, MICHAEL, ANTHONY
发明人
POWER, LESLIE, ERNEST;TAYLOR, REGINALD;BRENNAN, MICHAEL, ANTHONY
