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MD1514F1 - Coating for the inner surface of a pipe-line, process for application thereof on the inner surface of the pipe-line, two-layer semi-finished product of said coating and process for obtaining said semi-finished product - Google Patents

Coating for the inner surface of a pipe-line, process for application thereof on the inner surface of the pipe-line, two-layer semi-finished product of said coating and process for obtaining said semi-finished product

Info

Publication number
MD1514F1
MD1514F1 MD98-0180A MD980180A MD1514F1 MD 1514 F1 MD1514 F1 MD 1514F1 MD 980180 A MD980180 A MD 980180A MD 1514 F1 MD1514 F1 MD 1514F1
Authority
MD
Moldova
Prior art keywords
pipe
line
coating
coat
finished product
Prior art date
Application number
MD98-0180A
Other languages
Romanian (ro)
Other versions
MD1514G2 (en
Inventor
Stanislav Vladimirov Hramenkov
Vladimir Alexandrovic Zagorski
Evgheni Petrovici Pavlov
Lidia Nicolaevna Loscutova
Vladimir Konstantinov Mariasin
Tatiana Valentinovna Aslamova
Original Assignee
Moskovsckoe G Predpriatie Mosv
Docernee G Unitarnoe Predpriat
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Moskovsckoe G Predpriatie Mosv, Docernee G Unitarnoe Predpriat filed Critical Moskovsckoe G Predpriatie Mosv
Priority to MD98-0180A priority Critical patent/MD1514G2/en
Priority claimed from PCT/RU1996/000267 external-priority patent/WO1998012465A1/en
Publication of MD1514F1 publication Critical patent/MD1514F1/en
Publication of MD1514G2 publication Critical patent/MD1514G2/en

Links

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

Coating, applied on the inner surface of the pipe-line, contains two coaxially placed tubular film coats (2, 3), manufactured on base of thermoplastic polymeric material, of which one, exterior (2) is applied on the inner surface of the pipe-line (1) and the other, interior (3) is separated from that by a basic reinforcing layer (4), impregnated with a solidified polymeric binder. The inner coat (3) is formed of a multicomponent homogeneous system, containing, at least, one polymer selected from a group of thermoplastic polymers, having a relative elongation of at least 200% and a melting point not lower than 100°C, and the structure modifier of the selected polymer, the inner tubular coat (3) is separated from the basic reinforcing layer (4) in, at least, one place along the coating axis, their separated edges (6, 7) are hermetically joined between them, this coat (3) forming a monolithic structure with the layer (4). The two-layer semi-finished product contains the above inner tubular coat (3), joined with the reinforcing layer (4), the coat (3) is obtained of the multicomponent homogeneous system with the above-mentioned content. Claims: 62 Fig.: 11 <IMAGE>
MD98-0180A 1996-09-18 1996-09-18 Coating for the inner surface of a pipeline, process fpr application thereof on the inner surface of the pipe-line, two-layer semi-finished product of said coating and process for obtaining said semifinished product MD1514G2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MD98-0180A MD1514G2 (en) 1996-09-18 1996-09-18 Coating for the inner surface of a pipeline, process fpr application thereof on the inner surface of the pipe-line, two-layer semi-finished product of said coating and process for obtaining said semifinished product

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/RU1996/000267 WO1998012465A1 (en) 1996-09-18 1996-09-18 Coating for the internal surface of a pipe, method for applying the same on said surface, two-layered semi-finished part using said coating and method for making this part
MD98-0180A MD1514G2 (en) 1996-09-18 1996-09-18 Coating for the inner surface of a pipeline, process fpr application thereof on the inner surface of the pipe-line, two-layer semi-finished product of said coating and process for obtaining said semifinished product

Publications (2)

Publication Number Publication Date
MD1514F1 true MD1514F1 (en) 2000-07-31
MD1514G2 MD1514G2 (en) 2001-04-30

Family

ID=19739211

Family Applications (1)

Application Number Title Priority Date Filing Date
MD98-0180A MD1514G2 (en) 1996-09-18 1996-09-18 Coating for the inner surface of a pipeline, process fpr application thereof on the inner surface of the pipe-line, two-layer semi-finished product of said coating and process for obtaining said semifinished product

Country Status (1)

Country Link
MD (1) MD1514G2 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2592457B1 (en) * 1985-12-27 1988-08-26 Coopetanche Sa PROCESS FOR INTERNAL LINING OF CONDUITS AND SLEEVES FOR LINES LINED ACCORDING TO THIS PROCESS
RU2037734C1 (en) * 1993-10-05 1995-06-19 Дрейцер Владимир Исаакович Method for coating of pipeline inner surface

Also Published As

Publication number Publication date
MD1514G2 (en) 2001-04-30

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Legal Events

Date Code Title Description
PD99 Pending application
KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)
MM4A Patent for invention definitely lapsed due to non-payment of fees