CN111238334B
(en)
|
|
Barrel body forming equipment with jumping value detection and marking functions and forming method thereof
|
US2667139A
(en)
|
|
Pipe collar aligning and clamping means
|
CN103659171B
(en)
|
|
The manufacture method of the expanding cone of UOE steel pipes with straight
|
US3031995A
(en)
|
|
Pipe flanging jig
|
US1719720A
(en)
|
|
Expanding mandrel
|
US4059036A
(en)
|
|
Shearing hollow stock
|
US4662055A
(en)
|
|
Flange alignment tool and method for using same
|
US4064730A
(en)
|
|
Tube expander
|
CN104525715A
(en)
|
|
Sleeve type general expansion mold for precise expanding
|
US3434709A
(en)
|
|
Pipe gripping and flaring apparatus
|
US4483477A
(en)
|
|
Clamping device for tubes to be welded together
|
US3990690A
(en)
|
|
Core chucking assembly
|
US3735472A
(en)
|
|
Pipe fitting weld alignment apparatus
|
US4498548A
(en)
|
|
Well jar incorporating elongate resilient vibration snubbers and mounting apparatus therefor
|
CN103240622B
(en)
|
|
Pipe Cutting fixture
|
CN109079361A
(en)
|
|
Stainless steel pipes exempt from argon gas welding procedure
|
US1361773A
(en)
|
|
Piston-chuck
|
US3229972A
(en)
|
|
Pipe engaging head for line-up clamp
|
US4689863A
(en)
|
|
Fixture for machining the cutting line of a pipe
|
US1671697A
(en)
|
|
Truing apparatus
|
CN105234302A
(en)
|
|
Flaring plane integrated cutter
|
DE3127200C2
(en)
|
|
Device for circumferential seam welding of pipes
|
US2035687A
(en)
|
|
Machine for forming threads on metal tubing
|
US11566731B1
(en)
|
|
Apparatus for the alignment of pipes
|
US7823264B1
(en)
|
|
Seals and sealing methods
|