DE60856T1 - METHOD FOR REINFORCING A HOLLOW BODY BY WRAPPING A MOLDING PIECE, MOLDING PIECE FOR ITS IMPLEMENTATION AND PRODUCED REINFORCED CHANNEL. - Google Patents

METHOD FOR REINFORCING A HOLLOW BODY BY WRAPPING A MOLDING PIECE, MOLDING PIECE FOR ITS IMPLEMENTATION AND PRODUCED REINFORCED CHANNEL.

Info

Publication number
DE60856T1
DE60856T1 DE1981902625 DE81902625T DE60856T1 DE 60856 T1 DE60856 T1 DE 60856T1 DE 1981902625 DE1981902625 DE 1981902625 DE 81902625 T DE81902625 T DE 81902625T DE 60856 T1 DE60856 T1 DE 60856T1
Authority
DE
Germany
Prior art keywords
profile part
hollow body
fibers
winding
sewer system
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
DE1981902625
Other languages
German (de)
Inventor
Gilbert F-95160 Montmorency Chabrier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spie Batignolles SA
Technip Energies France SAS
Original Assignee
Coflexip SA
Spie Batignolles SA
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 FR8020666A external-priority patent/FR2491044A1/en
Application filed by Coflexip SA, Spie Batignolles SA filed Critical Coflexip SA
Publication of DE60856T1 publication Critical patent/DE60856T1/en
Pending legal-status Critical Current

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  • Rigid Pipes And Flexible Pipes (AREA)
  • Moulding By Coating Moulds (AREA)

Claims (13)

PatentansprücheClaims Verfahren zum Verstärken eines rotationssymitietrischen Hohlkörpers (1) wie einer Kanalisation oder eines Behälbers, die zum Unterdrucksetzen bestimmt sind, bei welchem der Hohlkörper (1) längs im wesentlichen nebeneinanderliegenden Schraubenwindungen (2a, 2b, 2c) mit einem flexiblen Profilteil (2) umwickelt wird, welches an dem Hohlkörper befestigt wird, dadurch gekennzeichnet, daß ein Profilteil (2) aus einem Material verwendet wird, dessen Elastizitätsgrenze größer als diejenige des Materials des Hohlkörpers (1) ist, und daß dieses Profilteil auf den Hohlkörper mit einer solchen Spannung aufgewickelt wird, daß beim Unterdrucksetzen des Hohlkörpers (1) die in diesem und in den Windungen des Profilteils (2) auftretenden Spannungen ungefähr gleichzeitig ihr zulässiges Maximum erreichen.Method for reinforcing a rotationally symmetrical Hollow body (1) such as a sewer system or a container, which are intended for pressurization, in which the hollow body (1) along essentially adjacent screw turns (2a, 2b, 2c) with a flexible profile part (2) is wrapped, which is attached to the hollow body, characterized in that a profile part (2) made of a material is used whose elastic limit is greater than that of the material of the hollow body (1), and that this profile part is wound onto the hollow body with such a tension is that when pressurizing the hollow body (1) in this and in the turns of the profile part (2) occurring voltages reach their maximum allowable approximately at the same time. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das verwendete Profilteil (2) in ein Kunstharz (8) eingebettete Fasern (7) umfaßt, die sich in Richtung (D) dieses Profilteils erstrecken.2. The method according to claim 1, characterized in that the profile part (2) used is embedded in a synthetic resin (8) Fibers (7) which extend in the direction (D) of this profile part. HD/GlHD / Gl 3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß die Fasern Mineralfasern sind, die aus Glasfasern, Asbestfasern, Borfasern und Karbonfasern ausgewählt sind.3. The method according to claim 2, characterized in that the fibers are mineral fibers made of glass fibers, Asbestos fibers, boron fibers and carbon fibers are selected. 4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Kunstharz ein thermoplastisches Harz ist.4. The method according to any one of claims 1 to 3, characterized in that the synthetic resin is a thermoplastic Resin is. 5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Profilteil (2) durch Klebung an dem Hohlkörper befestigt wird.5. The method according to any one of claims 1 to 4, characterized characterized in that the profile part (2) is attached to the hollow body by gluing. 6. Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß zur Befestigung des Profilteils (2) an dem Hohlkörper6. The method according to claim 4, characterized in that for fastening the profile part (2) to the hollow body (1) diejenige Oberfläche des Profilteils erwärmt wird, die an dem Hohlkörper befestigt werden soll, und zwar auf eine Temperatur, die ausreicht, damit eine Oberflächenschmelzung des Harzes (8) erhalten wird. 20(1) that surface of the profile part is heated that is to be attached to the hollow body, namely to a temperature that is sufficient to cause surface melting of the resin (8) is obtained. 20th 7. Profilteil, welches Mineralfasern enthält, die in ein Kunstharz eingebettet sind, zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß es wenigstens 50 Vol.% Mineralfasern enthält.7. Profile part, which contains mineral fibers that are embedded in a synthetic resin, for carrying out the method according to one of claims 1 to 6, characterized in that it contains at least 50% by volume of mineral fibers contains. 8. Profilteil nach Anspruch 7, dadurch gekennzeichnet, daß es einen im wesentlichen rechtwinkligen Querschnitt aufweist.8. Profile part according to claim 7, characterized in that that it has a substantially rectangular cross-section. 9. Profilteil nach Anspruch 8, dadurch gekennzeichnet, daß die Dicke (e) des Profilteils ausreichend gering ist, damit das Verhältnis der durch den Krümmungsradius beim Aufwickeln in den äußeren Fasern auftretenden Spannungen zu den in den inneren Fasern auftretenden Spannungen kleiner als 1,2 ist.9. Profile part according to claim 8, characterized in that the thickness (e) of the profile part is sufficiently small is so that the ratio of the radius of curvature occurring during winding in the outer fibers Stresses to the stresses occurring in the inner fibers is less than 1.2. 10. Profilteil nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß das Kunstharz ein Polyamidharz ist.10. Profile part according to one of claims 7 to 9, characterized characterized in that the synthetic resin is a polyamide resin. 11. Kanalisation, die außenseitig durch eine Wicklung verstärkt ist, die aus einem Profilteil (2) nach einem11. Sewer, which is reinforced on the outside by a winding that consists of a profile part (2) after a der Ansprüche 7 bis 10 gebildet ist, dadurch gekennzeichnet, daß sie wenigstens eine Schicht der Wicklung umfaßt, wobei das Profilteil (2) auf die Kanalisation (1) aufgeklebt ist und die Schraubenwindungen (2a, 2b, jQ 2c) dieses Profilteils aufexnandergeklebt sind.of claims 7 to 10, characterized in that it has at least one layer of the winding comprises, wherein the profile part (2) is glued to the sewer (1) and the screw turns (2a, 2b, jQ 2c) this profile part are glued to each other. 12. Kanalisation nach Anspruch 11, dadurch gekennzeichnet, daß die Schraubenwxndungen (2a, 2b, 2c) der Wicklung im wesentlichen senkrecht zur Achse (X-X') der Kanalisation (1) sind.12. Sewer system according to claim 11, characterized in that the screw windings (2a, 2b, 2c) of the winding are essentially perpendicular to the axis (X-X ') of the sewer system (1). 13. Kanalisation nach Anspruch 11, dadurch gekennzeichnet, daß die Windungen (13a, 13b) der Wicklung schräg in bezug auf die Achse der Kanalisation (14) sind.13. Sewer system according to claim 11, characterized in that the turns (13a, 13b) of the winding obliquely in with respect to the axis of the sewer system (14).
DE1981902625 1980-09-26 1981-09-16 METHOD FOR REINFORCING A HOLLOW BODY BY WRAPPING A MOLDING PIECE, MOLDING PIECE FOR ITS IMPLEMENTATION AND PRODUCED REINFORCED CHANNEL. Pending DE60856T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8020666A FR2491044A1 (en) 1980-09-26 1980-09-26 METHOD FOR REINFORCING A HOLLOW BODY MADE BY WINDING A PROFILE, PROFILE FOR ITS IMPLEMENTATION AND PIPELINES RELATING THERETO
PCT/FR1981/000119 WO1982001159A1 (en) 1980-09-26 1981-09-16 Method for reinforcing a hollow body made by winding a profiled section,profiled section for implementing such method and reinforced pipes obtained thereby

Publications (1)

Publication Number Publication Date
DE60856T1 true DE60856T1 (en) 1983-01-20

Family

ID=26221994

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8181902625T Expired DE3171491D1 (en) 1980-09-26 1981-09-16 Method for reinforcing a hollow body made by winding a profiled section, profiled section for implementing such method and reinforced pipes obtained thereby
DE1981902625 Pending DE60856T1 (en) 1980-09-26 1981-09-16 METHOD FOR REINFORCING A HOLLOW BODY BY WRAPPING A MOLDING PIECE, MOLDING PIECE FOR ITS IMPLEMENTATION AND PRODUCED REINFORCED CHANNEL.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE8181902625T Expired DE3171491D1 (en) 1980-09-26 1981-09-16 Method for reinforcing a hollow body made by winding a profiled section, profiled section for implementing such method and reinforced pipes obtained thereby

Country Status (2)

Country Link
DE (2) DE3171491D1 (en)
SU (1) SU1362408A3 (en)

Also Published As

Publication number Publication date
DE3171491D1 (en) 1985-08-29
SU1362408A3 (en) 1987-12-23

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