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(19)

(11)

2 444 421

(13)

(51)

IPC

B23F21/16(2006-01-01)

(21) (22)

Application

2010150168/02, 2010-12-03

(24)

Start date

2010-12-03

(22)

Actual filing date

2010-12-03

(45)

Published

2012-03-10

(72)

Inventor

Demidov Valerij Vasil'EvichGus'Kova Elena Valer'Evna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Tekhnicheskij Universitet"

TOOTHED PARTS HOBBING SINGLE-FLIGHT WORM CUTTER Russian patent published in 2012 - IPC B23F21/16

Abstract RU 2444421 C1

FIELD: process engineering.

SUBSTANCE: proposed tool comprises cutting teeth arranged along spiral line and chip flutes made between the lines of said teeth. Said cutting teeth are arranged staggered while the number of chip flutes equals the double number of teeth on turn of said spiral line reduced by unity.

EFFECT: higher accuracy of teeth cutting.

4 dwg

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RU 2 444 421 C1

Authors

Demidov Valerij Vasil'Evich

Gus'Kova Elena Valer'Evna

Dates

2012-03-10—Published

2010-12-03—Filed