PIPE WITH INTERNAL PLASTIC ENVELOPE Russian patent published in 2001 - IPC

Abstract RU 2171945 C1

FIELD: manufacture of pipes. SUBSTANCE: pipe with internal plastic envelope includes protective bushes located concentrically on its end secured with pipe. These bushes are made from metal at content of carbon not exceeding that of metal of pipe; bushes are provided with coat made from protective material on base of zinc or aluminum. EFFECT: enhanced corrosion protection; facilitated manufacture. 2 cl, 2 dwg

Similar patents RU2171945C1

Title	Year	Author	Number
PIPE WITH INNER PLASTIC ENVELOPE	2000	Ajduganov V.M. Ajduganova N.M. Starshov M.I. Chakheev S.L. Volkova L.I.	RU2171947C1
PIPE WITH INTERNAL PLASTIC ENVELOPE	2000	Ajduganov V.M. Ajduganova N.M. Starshov M.I. Chakheev S.L. Volkova L.I.	RU2171946C1
PIPE WITH INNER PLASTIC ENVELOPE	1998	Ajduganov V.M. Ajduganova N.M. Starshov M.I. Chakheev S.L.	RU2141598C1
PIPE WITH INTERNAL CORROSION-RESISTANT COAT	1997	Ajduganov V.M. Starshov M.I. Chakheev S.L. Volkova L.I.	RU2124669C1
METAL PIPE WITH INTERNAL PLASTIC PIPE AND THRUST BUSHING	2013	Ajduganov Vjacheslav Mikhajlovich	RU2518770C1
METAL PIPE WITH INNER PLASTIC PIPE PREPARED FOR CORROSION PROTECTION OF PIPELINE WELDED JOINT BY BACKING BUSH	2013	Ajduganov Vjacheslav Mikhajlovich	RU2519001C1
PIPE WITH INNER PLASTIC SHELL	2004	Bagirov Rzakuli Rashid Ogly Zav'Jalov M.P. Tereshchenko V.N. Kurbanov Vagif Veli Ogly Prosvirin A.A.	RU2251044C1
HIGH-CARBON METAL PIPE WITH INNER PLASTIC LINING	1998	Ajduganov V.M. Starshov M.I. Ajduganova N.M.	RU2148202C1
METAL PIPE WITH INNER PLASTIC PIPE	2013	Ajduganov Vjacheslav Mikhajlovich	RU2532471C1
PIPE WITH INNER PLASTIC LINING	2004	Kopylov V.A. Zarubezhnov G.N.	RU2263246C1

RU 2 171 945 C1

Authors

Ajduganov V.M.

Dates

2001-08-10—Published

2000-04-07—Filed