TREA

Hopper cars

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Industry

  • CPC
  • B61D7/00
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES

Current Industry

B61D7/00Hopper cars

Sub Industries

B61D7/02with discharge openings in the bottoms B61D7/04the openings being above axle level during discharge B61D7/06with openings capable of discharging both between and outside the wheels B61D7/08with openings capable of discharging only outside the wheels B61D7/10the discharge being assisted by tipping the bottom B61D7/12the hoppers being movable B61D7/14Adaptations of hopper elements to railways B61D7/16Closure elements for discharge openings B61D7/18pivoted B61D7/20sliding B61D7/22Sealing means thereof B61D7/24Opening or closing means B61D7/26mechanical B61D7/28hydraulic or pneumatic B61D7/30controlled by means external to cars B61D7/32Means for assisting charge or discharge
Industries