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2 142 532

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IPC

(21) (22)

Application

98115032/28, 1998-07-31

(24)

Start date

1998-07-31

(22)

Actual filing date

1998-07-31

(45)

Published

1999-12-10

(72)

Inventor

Filippov Vladimir Vasil'EvichGagasov Aleksandr MatveevichPavlovich Anatolij VladimirovichBarma Stepan StepanovichKrivitskij Aleksandr Arkad'EvichZhuravskij Vladimir Nikolaevich

(73)

Holder

Arendnoe Predprijatie Podshipnikovyj Zavod"

RAIL SPIKE Russian patent published in 1999 - IPC

Abstract RU 2142532 C1

FIELD: railway construction. SUBSTANCE: this relates to railway track with wooden sleepers. Rail spike has head 1 and tetrahedral stem 2 with sharp-pointed end. Stem has several slots located in perpendicular to its diagonals. Lateral surfaces of slots are serrated. Slots are made in four ribs of stem. Surface of serrated parts facing towards head is inclined to axis of stem at angle of 45-90 deg. Aforesaid embodiment of rail spike ensures stronger engagement between rail spike and sleeper. EFFECT: higher efficiency. 3 dwg

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RU 2 142 532 C1

Authors

Filippov Vladimir Vasil'Evich

Gagasov Aleksandr Matveevich

Pavlovich Anatolij Vladimirovich

Barma Stepan Stepanovich

Krivitskij Aleksandr Arkad'Evich

Zhuravskij Vladimir Nikolaevich

Dates

1999-12-10—Published

1998-07-31—Filed