DK147372C - Fremgangsmaade ved kontinuerlig fremstilling af varmeisolerede ledningsroer - Google Patents

Fremgangsmaade ved kontinuerlig fremstilling af varmeisolerede ledningsroer

Info

Publication number
DK147372C
DK147372C DK141576A DK141576A DK147372C DK 147372 C DK147372 C DK 147372C DK 141576 A DK141576 A DK 141576A DK 141576 A DK141576 A DK 141576A DK 147372 C DK147372 C DK 147372C
Authority
DK
Denmark
Prior art keywords
procedure
heat
continuous preparation
conduct
insulated
Prior art date
Application number
DK141576A
Other languages
English (en)
Other versions
DK147372B (da
DK141576A (da
Inventor
Bernd Eilhardt
Diethelm Mutzke
Original Assignee
Kabel Metallwerke Ghh
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 Kabel Metallwerke Ghh filed Critical Kabel Metallwerke Ghh
Publication of DK141576A publication Critical patent/DK141576A/da
Publication of DK147372B publication Critical patent/DK147372B/da
Application granted granted Critical
Publication of DK147372C publication Critical patent/DK147372C/da

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/10—Thermosetting resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2301/00—Use of unspecified macromolecular compounds as reinforcement
    • B29K2301/10—Thermosetting resins

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
DK141576A 1975-06-07 1976-03-30 Fremgangsmaade ved kontinuerlig fremstilling af varmeisolerede ledningsroer DK147372C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2525561 1975-06-07
DE2525561A DE2525561C2 (de) 1975-06-07 1975-06-07 Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre

Publications (3)

Publication Number Publication Date
DK141576A DK141576A (da) 1976-12-08
DK147372B DK147372B (da) 1984-07-09
DK147372C true DK147372C (da) 1985-01-07

Family

ID=5948600

Family Applications (1)

Application Number Title Priority Date Filing Date
DK141576A DK147372C (da) 1975-06-07 1976-03-30 Fremgangsmaade ved kontinuerlig fremstilling af varmeisolerede ledningsroer

Country Status (11)

Country Link
JP (1) JPS51149376A (da)
AT (1) AT357749B (da)
BE (1) BE842625R (da)
CH (1) CH589252A5 (da)
DE (1) DE2525561C2 (da)
DK (1) DK147372C (da)
FR (1) FR2313198A2 (da)
GB (1) GB1480324A (da)
IT (1) IT1057271B (da)
NL (1) NL7606018A (da)
SE (1) SE420690B (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628883A1 (de) * 1976-06-26 1978-01-05 Kabel Metallwerke Ghh Verfahren zum herstellen einer umhuellung aus aufgeschaeumtem kunststoff
DE2806560B2 (de) * 1978-02-16 1981-05-07 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre
NL8005255A (nl) * 1980-09-19 1982-04-16 Wavin Bv Kunststofbuisdeel voorzien van een kunststofschuimisolatielaag.
GB9025923D0 (en) * 1990-11-28 1991-01-09 Textilver Sa Improvements in and relating to tubing
EP1029615A1 (en) * 1991-03-29 2000-08-23 Asahi Tec Corporation Method of preparing disappearing model
EP3216579A1 (en) 2016-03-11 2017-09-13 Halcor S.A. Crosslinked tubular foam
US20210018094A1 (en) * 2017-04-18 2021-01-21 R & D Plastics Of Hickory, Ltd. Ring dam and method for manufacturing a ring dam

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1504355A1 (de) * 1962-10-15 1969-09-25 Hercules Inc Formgegenstaende aus Polypropylenschaumstoffen mit Zellstruktur und Verfahren zur Herstellung derselben
DE1629367A1 (de) * 1966-08-11 1971-02-04 Dynamit Nobel Ag Verfahren zur kontinuierlichen Herstellung von vernetzten Polyolefin-Schaumstoffen
DE1629455A1 (de) * 1966-09-06 1971-01-28 Kabel Metallwerke Ghh Verfahren zum Vulkanisieren oder Vernetzen von thermoplastischen Isolierstoffschichten

Also Published As

Publication number Publication date
DK147372B (da) 1984-07-09
FR2313198B2 (da) 1980-04-30
DK141576A (da) 1976-12-08
SE7606344L (sv) 1976-12-08
IT1057271B (it) 1982-03-10
DE2525561A1 (de) 1976-12-23
BE842625R (fr) 1976-12-06
NL7606018A (nl) 1976-12-09
DE2525561C2 (de) 1985-11-07
ATA186876A (de) 1979-12-15
CH589252A5 (da) 1977-06-30
SE420690B (sv) 1981-10-26
JPS51149376A (en) 1976-12-22
AT357749B (de) 1980-07-25
FR2313198A2 (fr) 1976-12-31
GB1480324A (en) 1977-07-20

Similar Documents

Publication Publication Date Title
NO148712C (no) Fremgangsmaate ved fremstilling av etylidendiacetat
DK567376A (da) Fremgangsmade til fremstilling af quinazolonderivater
DK351976A (da) Fremgangsmade til fremstilling af canthaxantin
DK107876A (da) Fremgangsmade til fremstilling af thiocarbamider
DK535476A (da) Fremgangsmade til fremstilling af 7-methoxycephalosporiner
DK528976A (da) Fremgangsmade til fremstilling af indazolderivater
DK324176A (da) Fremgangsmade til fremstilling af orthoaminobutyrophenonderivater
DK150676A (da) Fremgangsmade til fremstilling af krystallinsk natrium-o-formyl-cefamandol
DK298476A (da) Fremgangsmade til fremstilling af 5-benzyl-2-oxazolidonderivater
DK440576A (da) Fremgangsmade til fremstilling af 3-hydroxy-3-cephemester-sulfoxider
DK147372C (da) Fremgangsmaade ved kontinuerlig fremstilling af varmeisolerede ledningsroer
DK137275C (da) Fremgangsmaade til fremstilling af 4-oxo-hexahydropyrazinoisoquinolinderivater
DK399976A (da) Fremgangsmade til fremstilling af aralkylamider
DK415576A (da) Fremgangsmade til fremstilling af krystallinsk dipilocarpiniumpamoat
DK565676A (da) Fremgangsmade til fremstilling af klavamderivater
DK343976A (da) Fremgangsmade til fremstilling af 5-androsten-17-on-derivater
DK551076A (da) Fremgangsmade til fremstilling af trifluormethylthio-derivater af cyproheptadin
DK459876A (da) Fremgangsmade ved torfremstilling af cement
DK251176A (da) Fremgangsmade til fremstilling af cyklopropanolderivater
DK253676A (da) Fremgangsmade til fremstilling af cycloheptathiopenderivater
DK366676A (da) Fremgangsmade til fremstilling af slagseje polyvinylaromater
DK480676A (da) Fremgangsmade til fremstilling af s-alkylphosphordihalogeniddithioater
DK424676A (da) Fremgangsmade til fremstilling af 2-alkylindan
DK526676A (da) Fremgangsmade til fremstilling af 4-chlor-2-butynyl-m-chlorcarbanilat
DK141532C (da) Fremgangsmaade til fremstilling af 21-hydroxy-16-pregnen-20-onderivater

Legal Events

Date Code Title Description
PBP Patent lapsed
PBP Patent lapsed