PT69313A - METHOD FOR ASSEMBLING A DRAINING DEVICE AND APPARATUS FOR CARRYING OUT SAID METHOD - Google Patents

METHOD FOR ASSEMBLING A DRAINING DEVICE AND APPARATUS FOR CARRYING OUT SAID METHOD

Info

Publication number
PT69313A
PT69313A PT69313A PT6931379A PT69313A PT 69313 A PT69313 A PT 69313A PT 69313 A PT69313 A PT 69313A PT 6931379 A PT6931379 A PT 6931379A PT 69313 A PT69313 A PT 69313A
Authority
PT
Portugal
Prior art keywords
assembling
carrying
draining device
draining
Prior art date
Application number
PT69313A
Other languages
French (fr)
Portuguese (pt)
Original Assignee
Polva Nederland Bv
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 Polva Nederland Bv filed Critical Polva Nederland Bv
Publication of PT69313A publication Critical patent/PT69313A/en

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Filtering Materials (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
PT69313A 1978-03-07 1979-03-06 METHOD FOR ASSEMBLING A DRAINING DEVICE AND APPARATUS FOR CARRYING OUT SAID METHOD PT69313A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7802455A NL7802455A (en) 1978-03-07 1978-03-07 METHOD FOR COVERING A DRAINAGE TUBE, DEVICE FOR PERFORMING THE PROCEDURE AND COVERED DRAINAGE TUBE OBTAINED WITH THE PROCESS.

Publications (1)

Publication Number Publication Date
PT69313A true PT69313A (en) 1979-04-01

Family

ID=19830450

Family Applications (1)

Application Number Title Priority Date Filing Date
PT69313A PT69313A (en) 1978-03-07 1979-03-06 METHOD FOR ASSEMBLING A DRAINING DEVICE AND APPARATUS FOR CARRYING OUT SAID METHOD

Country Status (11)

Country Link
JP (1) JPS54158474A (en)
BE (1) BE874537A (en)
DE (1) DE2904783A1 (en)
DK (1) DK93679A (en)
ES (1) ES478317A1 (en)
FR (1) FR2419361A1 (en)
GB (1) GB2016109A (en)
LU (1) LU80994A1 (en)
NL (1) NL7802455A (en)
PT (1) PT69313A (en)
SE (1) SE7902010L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338071A1 (en) * 1983-10-20 1985-05-09 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Process for the continuous production of flexible, thermally insulated pipelines
DE4335722A1 (en) * 1993-10-20 1995-04-27 Hewing Gmbh Process and apparatus for the production of a pipe-within-a-pipe line
US6173483B1 (en) 1999-07-30 2001-01-16 E Z Flow L.P. Apparatus for manufacturing drainage line units and associated methods
US8256990B2 (en) 2006-01-13 2012-09-04 Ezflow, L.P. Drainage unit with external covering and method for manufacture

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1453013A (en) * 1974-03-05 1976-10-20 Cfs Corp Method and apparatus for simultaneously applying to an extended cylindrical object a coating and a plastic film wrapping to retain the coating
NL162440C (en) * 1974-12-20 1980-05-16 Polva Nederland Bv LINED DRAINAGE TUBE.
DE2534128A1 (en) * 1975-07-31 1977-02-17 Meyer Maschf A H Seamless mantle of fibrous material as drainage pipe filter - applied by drawing pipe through fibre compression tube
DE2638694A1 (en) * 1976-08-27 1978-03-02 Oltmanns Ziegelwerk Outside filter for plastic drain pipe - has strip wound during pipe transfer through rotating drum to form uniform layer

Also Published As

Publication number Publication date
SE7902010L (en) 1979-09-08
DE2904783A1 (en) 1979-09-20
GB2016109A (en) 1979-09-19
LU80994A1 (en) 1979-10-29
DK93679A (en) 1979-09-08
FR2419361A1 (en) 1979-10-05
JPS54158474A (en) 1979-12-14
ES478317A1 (en) 1979-06-01
NL7802455A (en) 1979-09-11
BE874537A (en) 1979-09-03

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