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2 138 107

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C1

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IPC

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Application

98114218/09, 1998-07-14

(24)

Start date

1998-07-14

(22)

Actual filing date

1998-07-14

(45)

Published

1999-09-20

(72)

Inventor

Chuparova L.D.Borokha I.K.Derbenev V.A.Korshunov G.M.Lyskova E.V.Pavlov E.A.Shkarbanova I.V.

(73)

Holder

Gosudarstvennoe Unitarnoe Predprijatie I Proektno-Tekhnologicheskij Institut Ehlektrougol'Nykh Izdelij"

COMPOUND FOR MANUFACTURING CURRENT COLLECTORS Russian patent published in 1999 - IPC

Abstract RU 2138107 C1

FIELD: electrical engineering; current collectors for trolley buses. SUBSTANCE: known compound composed of 67-75 mass percent of graphite, 5-12 mass percent of hardened coke, 11-20 mass percent of phenol formaldehyde resin, and 0.5-2.0 mass percent of zinc stearate is doped, in addition, with 0.5-5.0 mass percent of polytetrafluoroethylene. EFFECT: improved density of load current collected. 1 tbl

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RU 2 138 107 C1

Authors

Chuparova L.D.

Borokha I.K.

Derbenev V.A.

Korshunov G.M.

Lyskova E.V.

Pavlov E.A.

Shkarbanova I.V.

Dates

1999-09-20—Published

1998-07-14—Filed

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