|
US4880032A
|
|
Multiple port valve
|
|
US4650152A
|
|
Automatic shut-off valve for welding electrode coolant systems
|
|
US4511276A
|
|
Cylinder piston rod coupler
|
|
US3285616A
|
|
Cushion seal for piston and cylinder assemblies
|
|
US2829233A
|
|
Automatic gap control device for hydraulically actuated flash welders
|
|
US2759367A
|
|
Mechanical movement
|
|
US2688066A
|
|
Hydraulic flash welder control
|
|
US2689482A
|
|
Mechanical movement for flash welding machines
|
|
US2650275A
|
|
Upset cylinder stroke adjusting nut with self-compensating cam
|
|
US2640134A
|
|
Hydraulic flash welder control
|
|
CA511940A
|
|
Hydraulic flash welder control
|
|
CA883162A
|
|
Valve
|
|
CA530381A
|
|
Mechanical movement for a flash welding machine
|
