NO921131L - PROCEDURE FOR INTERNAL CLOTHING OF PIPE PIPES - Google Patents

PROCEDURE FOR INTERNAL CLOTHING OF PIPE PIPES

Info

Publication number
NO921131L
NO921131L NO92921131A NO921131A NO921131L NO 921131 L NO921131 L NO 921131L NO 92921131 A NO92921131 A NO 92921131A NO 921131 A NO921131 A NO 921131A NO 921131 L NO921131 L NO 921131L
Authority
NO
Norway
Prior art keywords
temperature
hose
air
resin
reactive resin
Prior art date
Application number
NO92921131A
Other languages
Norwegian (no)
Other versions
NO921131D0 (en
Inventor
Manfred Schmidt
Original Assignee
Manfred Schmidt
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
Priority claimed from DE4023549A external-priority patent/DE4023549A1/en
Application filed by Manfred Schmidt filed Critical Manfred Schmidt
Publication of NO921131D0 publication Critical patent/NO921131D0/en
Publication of NO921131L publication Critical patent/NO921131L/en

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  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

Mange-lags slange som omfatter et stoff impregnert med en temperaturreaktiv harpiks , blir anbrakt i er* rørledning, forseglet i endene og blåst opp ved innføring av luft. Den temperaturreaktive harpiksen blir deretter herdet ved å sende varm luft gjennom slangen. Fremgangsmåten er kjennetegnet ved at slangen til å begynne med er oppblåst ved å anvende ikke-oppvarmet luft, deretter blir oppvarmet luft som inneholder damp sendt gjennom slangen, temperaturen i luften som er innført i slangen blir hevet til å begynne med til en verdi der den temperaturreaktive harpiksen begynner å mykne, temperaturen i luften blir deretter holdt konstant og trykket samtidig øket inntil det økede indre trykket som virker på stoffet for-årsaker at harpiksen, som har tendens til å synke ned under innvirkningen av tyngdekraften^ mot bunnen av slangen, forblir Jevnt fordelt over slangens tverrsnitt og temperaturen blir deretter hevet ytterligere til en verdi over herdetemperaturen til harpiksen.Multilayer tubing comprising a substance impregnated with a temperature reactive resin is placed in a pipeline, sealed at the ends and inflated upon introduction of air. The temperature reactive resin is then cured by sending hot air through the hose. The method is characterized in that the hose is initially inflated using unheated air, then heated air containing steam is sent through the hose, the temperature of the air introduced into the hose is raised initially to a value where it the temperature-reactive resin begins to soften, the temperature in the air is then kept constant and the pressure simultaneously increased until the increased internal pressure acting on the substance causes the resin, which tends to sink under the action of gravity ^ towards the bottom of the hose, to remain Evenly distributed over the cross section of the hose and the temperature is then raised further to a value above the curing temperature of the resin.

NO92921131A 1990-07-25 1992-03-23 PROCEDURE FOR INTERNAL CLOTHING OF PIPE PIPES NO921131L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4023549A DE4023549A1 (en) 1990-07-25 1990-07-25 METHOD FOR THE INTERNAL LINING OF PIPELINES
PCT/DE1991/000554 WO1992001552A1 (en) 1990-07-25 1991-07-05 Process for lining pipe lines

Publications (2)

Publication Number Publication Date
NO921131D0 NO921131D0 (en) 1992-03-23
NO921131L true NO921131L (en) 1992-05-18

Family

ID=25895337

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92921131A NO921131L (en) 1990-07-25 1992-03-23 PROCEDURE FOR INTERNAL CLOTHING OF PIPE PIPES

Country Status (1)

Country Link
NO (1) NO921131L (en)

Also Published As

Publication number Publication date
NO921131D0 (en) 1992-03-23

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