CORE CATCHER Russian patent published in 1994 - IPC

Abstract RU 2021482 C1

FIELD: coring. SUBSTANCE: core catcher has body 1 with post 2, levers 3 and shafts 4. Ports 2 have projections 5 to make them U-shaped. Projections are found in recesses 6 of levers. Attached to projections are springs 7. Shafts may be separate or integral with levers. Spring may be made of plate or of wire, straight or bent. EFFECT: higher efficiency. 2 cl, 2 dwg

Similar patents RU2021482C1

Title	Year	Author	Number
CORE CATCHER	1991	Ehdel'Man Ja.A. Surkov D.V.	RU2029058C1
CORE CATCHER	1991	Surkov D.V. Ehdel'Man Ja.A. Nikolaev V.F.	RU2029062C1
CORE CATCHER	1991	Surkov D.V. Ehdel'Man Ja.A. Messer A.G. Gel'Fgat M.Ja. Nikolaev V.F. Makushin V.V.	RU2024732C1
CORE CATCHER	1991	Nikolaev V.F. Ehdel'Man Ja.A. Messer A.G. Pavlov N.G. Makushin V.V. Surkov D.V.	RU2029057C1
CORE BREAKER	0	Rakitin Nikolaj Yakovlevich	SU1615324A1
CORE BREAKER	0	Rakitin Nikolaj Yakovlevich	SU1615323A1
CORE CATCHER	1991	Ehdel'Man Ja.A. Makushin V.V. Messer A.G. Nikolaev V.F. Pavlov N.G. Ravilov F.F. Sianka-Ibarra L. Surkov D.V. Kuntsjak Ja.V.	RU2021481C1
CORE BREAKER	0	Dorofeev Vitalij Andreevich Polshkov Vladimir Konstantinovich Edelman Yakov Aleksandrovich Konstantinov Leonid Pavlovich Skvortsova Valentina Petrovna	SU575409A1
ASSEMBLY OF CORE CATCHERS	1991	Messer A.G. Martyshin A.N. Makushin V.V. Nikolaev V.F. Ravilov F.F. Sianka-Ibarra L. Solov'Eva N.A. Surkov D.V. Ehdel'Man Ja.A.	RU2029060C1
CORE-BREAKING DEVICE	0	Edelman Yakov Aleksandrovich Polshkov Vladimir Konstantinovich	SU964105A1

RU 2 021 482 C1

Authors

Ehdel'Man Ja.A.

Dates

1994-10-15—Published

1991-06-27—Filed