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1. WO1996005464 - INSULATED PIPE AND METHOD OF MANUFACTURING IT

Publication Number WO/1996/005464
Publication Date 22.02.1996
International Application No. PCT/AT1995/000163
International Filing Date 10.08.1995
IPC
F16L 59/14 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
59Thermal insulation in general
14Arrangements for the insulation of pipes or pipe systems
CPC
F16L 59/143
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
59Thermal insulation in general
14Arrangements for the insulation of pipes or pipe systems
143Pre-insulated pipes
F16L 59/153
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
59Thermal insulation in general
14Arrangements for the insulation of pipes or pipe systems
153for flexible pipes
Applicants
  • PIPELIFE ROHRSYSTEME GESMBH & CO. NFG KG [AT/AT]; Symalenstrasse 2-6 A-3500 Krems, AT
Inventors
  • RUPPRECHT, Christoph; AT
Agents
  • HAFFNER, Thomas, M.; Schottengasse 3a A-1014 Wien, AT
Priority Data
A 1577/9412.08.1994AT
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) ISOLIERTES ROHR SOWIE VERFAHREN ZU SEINER HERSTELLUNG
(EN) INSULATED PIPE AND METHOD OF MANUFACTURING IT
(FR) TUYAU ISOLE ET SON PROCEDE DE PRODUCTION
Abstract
(DE)
Das isolierte Rohr aus Kunststoff besteht aus einem Medienrohr (1), einem geschäumten Mantel (2) und einem den geschäumten Mantel (2) außen umgebenden Mantelrohr (5). Der geschäumte Mantel (2) ist in axialer Richtung unterteilt ausgebildet. Im Bereich der Teilungsfugen ist flexibler Schaum (4) angeordnet. Der Außenmantel (5) ist nur im Bereich der Teilungsfugen gewellt, insbesondere in radialer Richtung eingeschnürt (6), ausgebildet.
(EN)
Described is an insulated plastic pipe consisting of an inner pipe (1), a foam jacket (2) and an outer covering (5) round the foam jacket (2). The foam jacket (2) is divided into sections along its length. Flexible foam (4) is used at the joints between the sections. The outer covering (5) has a corrugation, preferably a radial constriction (6), at each of the joints between the foam-jacket sections.
(FR)
Le tuyau isolé comprend un tube interne (1), une gaine moussée (2) et une gaine tubulaire (5) entourant l'extérieur de la gaine moussée (2). La gaine moussée (2) est subdivisée en sections dans le sens axial. De la mousse souple (4) est placée dans la zone des joints de séparation entre les différentes sections de la gaine moussée (2). La gaine extérieure (5) ne présente des spires parallèles que dans la zone des joints de séparation, et est resserrée (6) notamment dans le sens radial.
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