SE7713633L - Sett att framstella ror med ett isolerande holje av cellplast - Google Patents

Sett att framstella ror med ett isolerande holje av cellplast

Info

Publication number
SE7713633L
SE7713633L SE7713633A SE7713633A SE7713633L SE 7713633 L SE7713633 L SE 7713633L SE 7713633 A SE7713633 A SE 7713633A SE 7713633 A SE7713633 A SE 7713633A SE 7713633 L SE7713633 L SE 7713633L
Authority
SE
Sweden
Prior art keywords
pipe
insulating sleeve
way
butt seam
insulating cover
Prior art date
Application number
SE7713633A
Other languages
English (en)
Swedish (sv)
Inventor
G Osterhagen
W Wissinger
Original Assignee
Dynamit Nobel Ag
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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of SE7713633L publication Critical patent/SE7713633L/xx

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/14Arrangements for the insulation of pipes or pipe systems
    • F16L59/153Arrangements for the insulation of pipes or pipe systems for flexible pipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/36Bending and joining, e.g. for making hollow articles
    • B29C53/38Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
    • B29C53/48Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02Thermal shrinking
    • B29C61/025Thermal shrinking for the production of hollow or tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B29C63/04Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
    • B29C63/06Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like around tubular articles
    • B29C63/065Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like around tubular articles continuously
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114Single butt joints
    • B29C66/1142Single butt to butt joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/727General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832Reciprocating joining or pressing tools
    • B29C66/8322Joining or pressing tools reciprocating along one axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02Thermal after-treatment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/14Arrangements for the insulation of pipes or pipe systems
    • F16L59/143Pre-insulated pipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • B29C66/432Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04Polymers of ethylene
    • B29K2023/06PE, i.e. polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/046Condition, form or state of moulded material or of the material to be shaped cellular or porous with closed cells
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2705/00Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
    • B29K2705/08Transition metals
    • B29K2705/10Copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/22Tubes or pipes, i.e. rigid
    • B29L2023/225Insulated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/60Multitubular or multicompartmented articles, e.g. honeycomb
    • B29L2031/601Multi-tubular articles, i.e. composed of a plurality of tubes
    • B29L2031/602Multi-tubular articles, i.e. composed of a plurality of tubes composed of several elementary tubular elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Thermal Insulation (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
SE7713633A 1976-12-03 1977-12-01 Sett att framstella ror med ett isolerande holje av cellplast SE7713633L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2654879A DE2654879C2 (de) 1976-12-03 1976-12-03 Verfahren zum kontinuierlichen herstellen eines mit einer Isolierhülle aus Schaumkunststoff versehenen Rohres

Publications (1)

Publication Number Publication Date
SE7713633L true SE7713633L (sv) 1978-06-04

Family

ID=5994632

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7713633A SE7713633L (sv) 1976-12-03 1977-12-01 Sett att framstella ror med ett isolerande holje av cellplast

Country Status (11)

Country Link
JP (1) JPS53102387A (fr)
AT (1) AT364530B (fr)
BE (1) BE861390A (fr)
CA (1) CA1086038A (fr)
CH (1) CH625997A5 (fr)
DE (1) DE2654879C2 (fr)
DK (1) DK150237C (fr)
FR (1) FR2372690A1 (fr)
GB (1) GB1543687A (fr)
NL (1) NL7713384A (fr)
SE (1) SE7713633L (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1071401B (it) * 1980-04-24 1985-04-10 Zema S R L Procedimento per la ricopertura con chiuma e pellicola plastica di tubi metallici,macchina per attuare detto procedimento e prodotto ottenuto
DE3235635C2 (de) * 1982-09-25 1985-02-21 Dynamit Nobel Ag, 5210 Troisdorf Verfahren und Vorrichtung zum kontinuierlichen Herstellen dickwandiger mehrschichtiger Isolierrohre aus thermoplastischen Schaumstoffstreifen
DE3318082A1 (de) * 1983-05-18 1984-11-22 Dynamit Nobel Ag, 5210 Troisdorf Verfahren und vorrichtung zum herstellen eines mit einer isolierhuelle aus schaumstoff versehenen rohres
DE3338071A1 (de) * 1983-10-20 1985-05-09 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Verfahren zur kontinuierlichen herstellung von flexiblen, thermisch isolierten leitungsrohren
FR2664850A1 (fr) * 1990-07-17 1992-01-24 Caure Michel Procede de gainage d'un faisceau d'elements filiformes, dispositif pour le mettre en óoeuvre et faisceau obtenu.
ES2121661B1 (es) * 1995-04-07 1999-06-01 Hispano Portuguesa De Bobinado Proceso de fabricacion de bobinas desmagnetizadoras.
FR2800665B1 (fr) * 1999-11-05 2002-08-30 Alphacan Sa Procede pour entourer un element par une couche de mousse, enveloppe en mousse, complexe tubulaire avec cette enveloppe, et couronne de ce complexe
FR2800664A1 (fr) * 1999-11-05 2001-05-11 Alphacan Sa Procede pour entourer un element par une couche de mousse, enveloppe en mousse, complexe tubulaire avec cette enveloppe, et couronne de ce complexe
DE102012112280B4 (de) * 2012-12-14 2014-11-20 Henco Industries N.V. Verfahren zum Herstellen eines Isolierverbundrohrs
DE102016115968B4 (de) 2016-08-26 2021-02-04 Henco Industries N.V. Verfahren zum Herstellen eines Streifens für ein Isolierrohr eines Isolierverbundrohrs sowie ein derartiges Isolierverbundrohr
CN110625918A (zh) * 2018-06-21 2019-12-31 江苏沃杰高分子材料有限公司 一种新式扩张机
KR102112197B1 (ko) * 2019-10-08 2020-05-19 (주)동인엔지니어링 저온배관용 단열장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960725A (en) * 1957-03-21 1960-11-22 Dow Chemical Co Process for preparing thermoplastic tapes of varied cross-sections
US2971538A (en) * 1958-01-31 1961-02-14 Moore & Co Samuel Extruded tubing
ES332098A1 (es) * 1965-10-11 1967-11-16 Ab Svenska Metallverken Un metodo de aislamiento continuo de tramos de tuberia o canalizacion.
DE1915768C3 (de) * 1968-03-27 1974-02-07 The Furukawa Electric Co., Ltd., Tokio Verfahren und Vorrichtung zum kontinuierlichen Herstellen eines röhrenförmigen Gegenstandes aus einer Bahn aus geschäumten thermoplastischem Harz
GB1277038A (en) * 1969-07-09 1972-06-07 Vladimirsky Nii Sint Smol A method of manufacturing shaped articles from elastic porous materials
FR2225681B1 (fr) * 1973-04-13 1976-05-21 Pont A Mousson
FR2346138A1 (fr) * 1976-03-31 1977-10-28 Tetra Pak Dev Procede et dispositif pour la fabrication de recipients d'emballage

Also Published As

Publication number Publication date
CH625997A5 (en) 1981-10-30
AT364530B (de) 1981-10-27
GB1543687A (en) 1979-04-04
CA1086038A (fr) 1980-09-23
BE861390A (fr) 1978-03-31
DK150237C (da) 1987-10-26
ATA860677A (de) 1981-03-15
DE2654879A1 (de) 1978-06-08
DE2654879C2 (de) 1982-11-11
JPS53102387A (en) 1978-09-06
NL7713384A (nl) 1978-06-06
DK150237B (da) 1987-01-19
FR2372690A1 (fr) 1978-06-30
FR2372690B1 (fr) 1984-01-27
DK539377A (da) 1978-06-04

Similar Documents

Publication Publication Date Title
SE7713633L (sv) Sett att framstella ror med ett isolerande holje av cellplast
JPS61189Y2 (fr)
NL151293B (nl) Inrichting voor het vervaardigen van een cilindervormig, buisvormig lichaam uit een vlakke strook buigzaam en smeltbaar materiaal.
SE7610863L (sv) Plastror
NO145048C (no) Elektrisk oppvarmbar sveisemuffe og fremgangsmaate til fremstilling av samme.
GB936553A (en) Method of producing reinforced tubular plastics
ES412925A1 (es) Procedimiento e instalacion para el cierre por soldadura transversal de tubos flexibles de laminado metalo-termoplas-tico.
ES383724A1 (es) Perfeccionamientos en la construccion de cuerpos metalicos revestidos anteriormente de materias termoplasticas.
DE3266734D1 (en) An insulated branch pipe joint
FR2441781A1 (fr) Procede de realisation d'un tuyau souple et tuyau souple resultant
ES418127A1 (es) Un metodo para la fabricacion de una manguera de presion termoplastica flexible reforzada.
JPS55142610A (en) Production of thermal contraction pipe
NL179984C (nl) Werkwijze voor het stomplassen van thermoplastische kunststofbuizen met behulp van een verwarmingselement.
GB872326A (en) Method of joining thermoplastic polymers
ES516347A0 (es) "procedimiento para la fabricacion continua de un tubo hendido longitudinalmente a partir de una banda de material esponjoso termoplastico".
JPS5537395A (en) Jointing method of both barrel part and shoulder part for extruding tube
FR2380858A1 (fr) Procede et appareil de fermeture de l'une des extremites ouvertes d'un tube en matiere plastique
FR2002497A1 (en) Manufacture of thermoplastic tubes
FR2198819A1 (en) Reshaping thermoplastic pipework - using blow moulding principles to obtain swept forms with low cost tooling
FR2055516A5 (en) Tube-forming appts for plastic bags manu
GB2136913A (en) A method of manufacturing a preferably flexible, heat insulated pipe
ATE6957T1 (de) Abstandsmittel fuer ein isoliertes kunststoffrohr und mehrere rohre.
RO80520B1 (ro) Procedeu si dispozitiv pentru realizarea furtunelor armate din policlorura de vinil
GB1326519A (en) Pipe bend sheaths and the production thereof
FR2371285A1 (fr) Procede et appareil pour former un tube en materiau flexible, pourvu d'au moins un cordon de soudure longitudinal

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 7713633-1

Format of ref document f/p: F