. American engineer and railroad journal . NEW LANDIS STATIONARY DIE HEAD. protects it in case the pipe splits. It comes down over the throatof the die and is rounded out near the cutting point so as to actas a guide for rough ends, and at the same time when a twisteroccurs in the pipe the strain is thrown, in great part, on theclamp, thus protecting the die in such manner that the liabilityto breakage is small. When it is desired to thread close to ashoulder a clamp is used which comes flush with the front edgeof the chaser only, thus permitting the die to run close up asin threading short ni
. American engineer and railroad journal . NEW LANDIS STATIONARY DIE HEAD. protects it in case the pipe splits. It comes down over the throatof the die and is rounded out near the cutting point so as to actas a guide for rough ends, and at the same time when a twisteroccurs in the pipe the strain is thrown, in great part, on theclamp, thus protecting the die in such manner that the liabilityto breakage is small. When it is desired to thread close to ashoulder a clamp is used which comes flush with the front edgeof the chaser only, thus permitting the die to run close up asin threading short nipples, etc. This type of die admits of cutting speeds decidedly higher thanthe bobbed type, and since the clearance can at all times beground to suit the quality of the material in the pipe, ideal cut-ting conditions are obtained. AUTOMATIC SAFETY WATER GLASS. of the valve together, and when taken out with a small screwdriver or penknife all the parts are released. At the inner endof the valve stem C a flat scraper D loosens any sediment
Size: 1059px × 2360px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
