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2 105 155

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IPC

(21) (22)

Application

95120706/03, 1995-12-08

(22)

Actual filing date

1995-12-08

(45)

Published

1998-02-20

(72)

Inventor

Litvinov A.V.

(73)

Holder

Shakhtinskij Filial Novocherkasskogo Gosudarstvennogo Tekhnicheskogo Universiteta

DEVICE FOR GUARDING EXTRACTION HEADINGS Russian patent published in 1998 - IPC

Abstract RU 2105155 C1

FIELD: mining industry. SUBSTANCE: this relates to guarding of extraction headings at working longwalls. Device has flexible shell with loading pipe union. This flexible shell in its upper part is filled with gobbing material. External metal reinforcement is made in the form of flexible screen. Flexible shell and metal reinforcement are connected to each other and to end members. EFFECT: high efficiency. 3 dwg

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RU 2 105 155 C1

Authors

Litvinov A.V.

Dates

1998-02-20—Published

1995-12-08—Filed

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