BE845423R - Dispositif servant a fabriquer des tubes de matiere synthetique thermoplastique, presentant peu de tensions internes - Google Patents

Dispositif servant a fabriquer des tubes de matiere synthetique thermoplastique, presentant peu de tensions internes

Info

Publication number
BE845423R
BE845423R BE169998A BE169998A BE845423R BE 845423 R BE845423 R BE 845423R BE 169998 A BE169998 A BE 169998A BE 169998 A BE169998 A BE 169998A BE 845423 R BE845423 R BE 845423R
Authority
BE
Belgium
Prior art keywords
synthetic material
thermoplastic synthetic
device serving
low internal
internal tensions
Prior art date
Application number
BE169998A
Other languages
English (en)
Inventor
K Thyes
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 filed Critical
Application granted granted Critical
Publication of BE845423R publication Critical patent/BE845423R/fr

Links

Classifications

    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE169998A 1975-08-23 1976-08-23 Dispositif servant a fabriquer des tubes de matiere synthetique thermoplastique, presentant peu de tensions internes BE845423R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752537588 DE2537588A1 (de) 1975-08-23 1975-08-23 Vorrichtung zur herstellung spannungsarmer rohre aus thermoplastischem kunststoff

Publications (1)

Publication Number Publication Date
BE845423R true BE845423R (fr) 1976-12-16

Family

ID=5954675

Family Applications (1)

Application Number Title Priority Date Filing Date
BE169998A BE845423R (fr) 1975-08-23 1976-08-23 Dispositif servant a fabriquer des tubes de matiere synthetique thermoplastique, presentant peu de tensions internes

Country Status (10)

Country Link
BE (1) BE845423R (fr)
DE (1) DE2537588A1 (fr)
DK (1) DK378076A (fr)
FI (1) FI762389A (fr)
FR (1) FR2321999A1 (fr)
IT (1) IT1076936B (fr)
LU (1) LU75639A1 (fr)
NL (1) NL7609277A (fr)
NO (1) NO762883L (fr)
SE (1) SE7609280L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040047932A1 (en) * 2002-09-09 2004-03-11 Lupke Manfred A. A. Pipe mold apparatus with contact and air cooling of plastic in a mold tunnel

Also Published As

Publication number Publication date
NL7609277A (nl) 1977-02-25
FR2321999B3 (fr) 1979-05-18
SE7609280L (sv) 1977-02-24
NO762883L (fr) 1977-02-24
IT1076936B (it) 1985-04-27
DE2537588A1 (de) 1977-02-24
LU75639A1 (fr) 1977-03-31
FR2321999A1 (fr) 1977-03-25
DK378076A (da) 1977-02-24
FI762389A (fr) 1977-02-24

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