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2 615 080

(13)

(51)

IPC

B21F35/00(2006-01-01)

(21) (22)

Application

2015155131, 2015-12-22

(24)

Start date

2015-12-22

(22)

Actual filing date

2015-12-22

(45)

Published

2017-04-03

(72)

Inventor

Lebedev Anatolij TimofeevichOchinskij Viktor VsevolodovichZnamenskij Dmitrij VladimirovichPavlyuk Roman VladimirovichLebedev Pavel AnatolevichZakharin Anton ViktorovichGrabelnikov Dmitrij Ivanovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Agrarnyj Universitet"

DEVICE FOR CYLINDRIC SPRING PRESTRESSING Russian patent published in 2017 - IPC B21F35/00

Abstract RU 2615080 C1

FIELD: mechanical engineering.

SUBSTANCE: device for prestressing of cylindrical spring comprises a matrix with a cylindrical cavity and coaxially disposed punch of cylindrical shape with the rigidly secured to it a circular plate shape. The plate with a circular shape is adapted place the spring in the cavity between the die and the punch with the possibility of punch compression spring by its limited longitudinal movement with force action. The cylindrical surfaces of the die cavity and the punch are formed with screw grooves to house therein the compressed spring coils.

EFFECT: expanding the arsenal of operating means.

5 dwg

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RU 2 615 080 C1

Authors

Lebedev Anatolij Timofeevich

Ochinskij Viktor Vsevolodovich

Znamenskij Dmitrij Vladimirovich

Pavlyuk Roman Vladimirovich

Lebedev Pavel Anatolevich

Zakharin Anton Viktorovich

Grabelnikov Dmitrij Ivanovich

Dates

2017-04-03—Published

2015-12-22—Filed