FR1579642A - - Google Patents

Info

Publication number
FR1579642A
FR1579642A FR1579642DA FR1579642A FR 1579642 A FR1579642 A FR 1579642A FR 1579642D A FR1579642D A FR 1579642DA FR 1579642 A FR1579642 A FR 1579642A
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
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 FR1579642A publication Critical patent/FR1579642A/fr
Expired legal-status Critical Current

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
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/133—Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/06—Watering arrangements making use of perforated pipe-lines located in the soil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/0015—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes
    • 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
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Soil Sciences (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR1579642D 1967-06-22 1968-06-21 Expired FR1579642A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64807867A 1967-06-22 1967-06-22

Publications (1)

Publication Number Publication Date
FR1579642A true FR1579642A (fr) 1969-08-29

Family

ID=24599349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1579642D Expired FR1579642A (fr) 1967-06-22 1968-06-21

Country Status (7)

Country Link
BE (1) BE716366A (fr)
DE (1) DE1759909C3 (fr)
ES (1) ES355348A1 (fr)
FR (1) FR1579642A (fr)
GB (1) GB1237097A (fr)
IL (1) IL30187A (fr)
NL (1) NL6808804A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2369919A1 (fr) * 1976-11-05 1978-06-02 Bayer Ag Procede pour preparer des profiles creux microporeux, en particulier des tubes, pour le transport et la distribution de fluides tels que des gaz ou des liquides, et produits obtenus par ce procede
ITFO20120005A1 (it) * 2012-04-17 2013-10-18 Valerio Vernocchi Dispositivo per irrigazione

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7820028U1 (de) * 1978-07-04 1978-10-12 Hoechst Ag, 6000 Frankfurt Filterrohr
DE3272913D1 (en) * 1981-10-22 1986-10-02 Ici Plc Production of pvc irrigation pipe
GB2245860A (en) * 1990-06-05 1992-01-15 Atomic Energy Authority Uk Plastics extrusion
DE4024405A1 (de) * 1990-08-01 1992-02-06 Meulen Alfred V D Anlage zum be- und/oder entwaessern des bodens
DE10060853C1 (de) * 2000-12-06 2002-08-14 Framatome Anp Gmbh Sensorrohr zum Bestimmen eines Konzentrationsprofils
US6926037B2 (en) * 2002-12-17 2005-08-09 Wellstream International Limited Collapse tolerant flexible pipe and method of manufacturing same
US9765509B1 (en) * 2016-08-08 2017-09-19 Robert J. DiTullio Stormwater chamber with stackable reinforcing ribs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2369919A1 (fr) * 1976-11-05 1978-06-02 Bayer Ag Procede pour preparer des profiles creux microporeux, en particulier des tubes, pour le transport et la distribution de fluides tels que des gaz ou des liquides, et produits obtenus par ce procede
ITFO20120005A1 (it) * 2012-04-17 2013-10-18 Valerio Vernocchi Dispositivo per irrigazione

Also Published As

Publication number Publication date
BE716366A (fr) 1968-11-04
IL30187A (en) 1971-11-29
DE1759909C3 (de) 1975-06-19
DE1759909A1 (de) 1971-07-15
DE1759909B2 (de) 1974-10-10
IL30187A0 (en) 1968-08-22
NL6808804A (fr) 1968-12-23
ES355348A1 (es) 1969-12-16
GB1237097A (en) 1971-06-30

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Legal Events

Date Code Title Description
AR Application made for restoration
BD Lapse confirmed
ST Notification of lapse