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2 143 329

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IPC

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Application

98114714/02, 1998-07-30

(24)

Start date

1998-07-30

(22)

Actual filing date

1998-07-30

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Published

1999-12-27

(72)

Inventor

Kutin V.N.Zelenov G.A.Fadeev E.V.

(73)

Holder

Saratovskoe Aktsionernoe Proizvodstvenno-Kommercheskoe Obshchestvo Sapkon

METHOD FOR MOUNTING THIN-WALL UNSTABLE-SHAPE TUBULAR BLANKS Russian patent published in 1999 - IPC

Abstract RU 2143329 C1

FIELD: methods for mounting and securing thin-wall tubular blanks at working them in lathes and turntable machine tools. SUBSTANCE: method for mounting unstable-shape thin-wall tubular blanks comprises steps of holding blanks in three-cam chuck with double-side compression of wall; providing wall compression along the whole arc of cam contact due to placing free ring with relatively thin wall and necessary height for fastening blank. End surface of ring serves as shaping tool at process of rotary pressing down. EFFECT: enhanced reliability of blank mounting even at the most small thickness of blank wall. 1 cl, 2 dwg

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RU 2 143 329 C1

Authors

Kutin V.N.

Zelenov G.A.

Fadeev E.V.

Dates

1999-12-27—Published

1998-07-30—Filed

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