Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
  • B61D7/00—Hopper cars
  • B61D7/08—Hopper cars with openings capable of discharging only outside the wheels
  • B61D7/10—Hopper cars with openings capable of discharging only outside the wheels the discharge being assisted by tipping the bottom
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
  • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
  • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
  • B23P15/32—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools twist-drills

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Transportation (AREA)
• Auxiliary Methods And Devices For Loading And Unloading (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6551012

Family Applications (1)

Country Status (3)

• 0
  • NL NL5318D patent/NL5318C/xx active
  • DE DENDAT288306D patent/DE288306C/de active Active
• 1920
  • 1920-07-10 FR FR520392A patent/FR520392A/fr not_active Expired

Also Published As

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