DK141576A - PROCEDURE FOR CONTINUOUS MANUFACTURE OF HEAT INSULATED PIPES - Google Patents

PROCEDURE FOR CONTINUOUS MANUFACTURE OF HEAT INSULATED PIPES

Info

Publication number
DK141576A
DK141576A DK141576A DK141576A DK141576A DK 141576 A DK141576 A DK 141576A DK 141576 A DK141576 A DK 141576A DK 141576 A DK141576 A DK 141576A DK 141576 A DK141576 A DK 141576A
Authority
DK
Denmark
Prior art keywords
procedure
heat insulated
continuous manufacture
insulated pipes
pipes
Prior art date
Application number
DK141576A
Other languages
Danish (da)
Other versions
DK147372C (en
DK147372B (en
Inventor
B Eilhardt
D 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/en
Publication of DK147372B publication Critical patent/DK147372B/en
Application granted granted Critical
Publication of DK147372C publication Critical patent/DK147372C/en

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
DK141576A 1975-06-07 1976-03-30 PROCEDURE FOR CONTINUOUS PREPARATION OF HEAT-INSULATED CONDUCT DK147372C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2525561A DE2525561C2 (en) 1975-06-07 1975-06-07 Process for the continuous production of heat-insulated line pipes
DE2525561 1975-06-07

Publications (3)

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

Family

ID=5948600

Family Applications (1)

Application Number Title Priority Date Filing Date
DK141576A DK147372C (en) 1975-06-07 1976-03-30 PROCEDURE FOR CONTINUOUS PREPARATION OF HEAT-INSULATED CONDUCT

Country Status (11)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628883A1 (en) * 1976-06-26 1978-01-05 Kabel Metallwerke Ghh PROCESS FOR MANUFACTURING A CASING FROM FOAMED PLASTIC
DE2806560B2 (en) * 1978-02-16 1981-05-07 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Process for the continuous production of heat-insulated line pipes
NL8005255A (en) * 1980-09-19 1982-04-16 Wavin Bv PLASTIC TUBE PART PROVIDED WITH A PLASTIC FOAM INSULATION LAYER.
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
WO2018194835A1 (en) * 2017-04-18 2018-10-25 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 (en) * 1962-10-15 1969-09-25 Hercules Inc Molded articles made from polypropylene foams with a cellular structure and process for producing the same
DE1629367A1 (en) * 1966-08-11 1971-02-04 Dynamit Nobel Ag Process for the continuous production of crosslinked polyolefin foams
DE1629455A1 (en) * 1966-09-06 1971-01-28 Kabel Metallwerke Ghh Process for vulcanizing or crosslinking thermoplastic insulating material layers

Also Published As

Publication number Publication date
SE420690B (en) 1981-10-26
FR2313198A2 (en) 1976-12-31
NL7606018A (en) 1976-12-09
DK147372C (en) 1985-01-07
DK147372B (en) 1984-07-09
JPS51149376A (en) 1976-12-22
CH589252A5 (en) 1977-06-30
AT357749B (en) 1980-07-25
ATA186876A (en) 1979-12-15
DE2525561A1 (en) 1976-12-23
GB1480324A (en) 1977-07-20
BE842625R (en) 1976-12-06
DE2525561C2 (en) 1985-11-07
IT1057271B (en) 1982-03-10
SE7606344L (en) 1976-12-08
FR2313198B2 (en) 1980-04-30

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