FI751625A7 - - Google Patents

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Publication number
FI751625A7
FI751625A7 FI751625A FI751625A FI751625A7 FI 751625 A7 FI751625 A7 FI 751625A7 FI 751625 A FI751625 A FI 751625A FI 751625 A FI751625 A FI 751625A FI 751625 A7 FI751625 A7 FI 751625A7
Authority
FI
Finland
Prior art keywords
pipe
moulding
locations
extruder
corrugations
Prior art date
Application number
FI751625A
Other languages
English (en)
Finnish (fi)
Inventor
Kjell Haug
Original Assignee
Fjeldhammer Brug As
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 Fjeldhammer Brug As filed Critical Fjeldhammer Brug As
Publication of FI751625A7 publication Critical patent/FI751625A7/fi

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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/0015—Making articles of indefinite length, e.g. corrugated tubes
    • B29C49/0021—Making articles of indefinite length, e.g. corrugated tubes using moulds or mould parts movable in a closed path, e.g. mounted on movable endless supports
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B11/00—Drainage of soil, e.g. for agricultural purposes
    • E02B11/005—Drainage conduits
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
    • F16L11/118—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having arrangements for particular purposes, e.g. electrically conducting
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0045—Perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FI751625A 1974-06-03 1975-06-02 FI751625A7 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2455574A GB1471692A (en) 1974-06-03 1974-06-03 Drainage pipes and a method and apparatus for manufacture of such pipes

Publications (1)

Publication Number Publication Date
FI751625A7 true FI751625A7 (enrdf_load_stackoverflow) 1975-12-04

Family

ID=10213473

Family Applications (1)

Application Number Title Priority Date Filing Date
FI751625A FI751625A7 (enrdf_load_stackoverflow) 1974-06-03 1975-06-02

Country Status (3)

Country Link
FI (1) FI751625A7 (enrdf_load_stackoverflow)
FR (1) FR2275718A1 (enrdf_load_stackoverflow)
GB (1) GB1471692A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1083765A (en) * 1976-12-01 1980-08-19 Gerd P. H. Lupke Apparatus for producing thermoplastic tubing
DE10252573A1 (de) * 2002-11-12 2004-05-27 Fränkische Rohrwerke Gebr. Kirchner GmbH + Co. KG Verbundrohr
EP2106897B1 (en) 2008-04-04 2012-05-16 Wavin B.V. Plastic pipe with profiled layer and method for manufacturing the same
EP2270378A1 (de) * 2009-07-02 2011-01-05 LANXESS Deutschland GmbH Flexibles Rohr

Also Published As

Publication number Publication date
FR2275718B1 (enrdf_load_stackoverflow) 1981-08-21
FR2275718A1 (fr) 1976-01-16
GB1471692A (en) 1977-04-27

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: AKTIESELSKABET FJELDHAMMER BRUG