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B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
B61C15/08—Preventing wheel slippage
B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
B61C15/102—Preventing wheel slippage by depositing sand or like friction increasing materials with sanding equipment of mechanical or fluid type, e.g. by means of steam
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FR722317D1930-11-261930-11-26Perfectionnements dans les sablières
ExpiredFR722317A
(fr)