DK141576A - PROCEDURE FOR CONTINUOUS MANUFACTURE OF HEAT INSULATED PIPES - Google Patents
PROCEDURE FOR CONTINUOUS MANUFACTURE OF HEAT INSULATED PIPESInfo
- 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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2525561 | 1975-06-07 | ||
DE2525561A DE2525561C2 (en) | 1975-06-07 | 1975-06-07 | Process for the continuous production of heat-insulated line pipes |
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)
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 |
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)
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 |
-
1975
- 1975-06-07 DE DE2525561A patent/DE2525561C2/en not_active Expired
- 1975-09-26 CH CH1255375A patent/CH589252A5/xx not_active IP Right Cessation
-
1976
- 1976-03-01 IT IT48348/76A patent/IT1057271B/en active
- 1976-03-15 AT AT186876A patent/AT357749B/en not_active IP Right Cessation
- 1976-03-22 JP JP51030016A patent/JPS51149376A/en active Pending
- 1976-03-30 DK DK141576A patent/DK147372C/en not_active IP Right Cessation
- 1976-04-27 FR FR7612458A patent/FR2313198A2/en active Granted
- 1976-05-27 GB GB22078/76A patent/GB1480324A/en not_active Expired
- 1976-06-03 NL NL7606018A patent/NL7606018A/en not_active Application Discontinuation
- 1976-06-04 BE BE167652A patent/BE842625R/en active
- 1976-06-04 SE SE7606344A patent/SE420690B/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DK147372B (en) | 1984-07-09 |
FR2313198B2 (en) | 1980-04-30 |
SE7606344L (en) | 1976-12-08 |
IT1057271B (en) | 1982-03-10 |
DE2525561A1 (en) | 1976-12-23 |
BE842625R (en) | 1976-12-06 |
NL7606018A (en) | 1976-12-09 |
DE2525561C2 (en) | 1985-11-07 |
ATA186876A (en) | 1979-12-15 |
DK147372C (en) | 1985-01-07 |
CH589252A5 (en) | 1977-06-30 |
SE420690B (en) | 1981-10-26 |
JPS51149376A (en) | 1976-12-22 |
AT357749B (en) | 1980-07-25 |
FR2313198A2 (en) | 1976-12-31 |
GB1480324A (en) | 1977-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed | ||
PBP | Patent lapsed |