FR2538879B1 - Grillage detectable de protection d'ouvrages enterres et son procede de fabrication - Google Patents

Grillage detectable de protection d'ouvrages enterres et son procede de fabrication

Info

Publication number
FR2538879B1
FR2538879B1 FR8300243A FR8300243A FR2538879B1 FR 2538879 B1 FR2538879 B1 FR 2538879B1 FR 8300243 A FR8300243 A FR 8300243A FR 8300243 A FR8300243 A FR 8300243A FR 2538879 B1 FR2538879 B1 FR 2538879B1
Authority
FR
France
Prior art keywords
detectable
mesh
manufacturing
protection
underground structures
Prior art date
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
FR8300243A
Other languages
English (en)
Other versions
FR2538879A1 (fr
Inventor
Henri Vauban
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nobel Plastiques SA
Original Assignee
Nobel Plastiques SA
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 Nobel Plastiques SA filed Critical Nobel Plastiques SA
Priority to FR8300243A priority Critical patent/FR2538879B1/fr
Publication of FR2538879A1 publication Critical patent/FR2538879A1/fr
Application granted granted Critical
Publication of FR2538879B1 publication Critical patent/FR2538879B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
    • H02G9/025—Coverings therefor, e.g. tile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D28/00—Producing nets or the like, e.g. meshes, lattices
    • 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
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/06—Accessories therefor, e.g. anchors
    • F16L1/11—Accessories therefor, e.g. anchors for the detection or protection of pipes in the ground
    • 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
    • B29C2793/0027—Cutting off
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/002—Combinations of extrusion moulding with other shaping operations combined with surface shaping
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • 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)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR8300243A 1983-01-04 1983-01-04 Grillage detectable de protection d'ouvrages enterres et son procede de fabrication Expired FR2538879B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8300243A FR2538879B1 (fr) 1983-01-04 1983-01-04 Grillage detectable de protection d'ouvrages enterres et son procede de fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8300243A FR2538879B1 (fr) 1983-01-04 1983-01-04 Grillage detectable de protection d'ouvrages enterres et son procede de fabrication

Publications (2)

Publication Number Publication Date
FR2538879A1 FR2538879A1 (fr) 1984-07-06
FR2538879B1 true FR2538879B1 (fr) 1987-04-10

Family

ID=9284783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8300243A Expired FR2538879B1 (fr) 1983-01-04 1983-01-04 Grillage detectable de protection d'ouvrages enterres et son procede de fabrication

Country Status (1)

Country Link
FR (1) FR2538879B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045368A (en) * 1989-09-18 1991-09-03 Minnesota Mining And Manufacturing Company Self-dispensing spaced electronic markers
FR2667953A1 (fr) * 1990-10-15 1992-04-17 Plymouth Francaise Sa Dispositif detectable pour l'identification d'objets optiquement invisibles.
GB2378250A (en) * 2001-07-31 2003-02-05 Terram Ltd Detecting buried geotextile
GB0401534D0 (en) * 2004-01-23 2004-02-25 Imc Geophysics Ltd Improvements in or relating to the monitoring of subterranean formations
FR2977295B1 (fr) * 2011-06-30 2014-07-18 Canetud Plaque perforee en polyethylene extrude a enterrer
FR2979000B1 (fr) * 2011-08-09 2013-08-02 Canetud Protection mecanique en polyethylene extrude
EP3115671B1 (fr) 2015-07-07 2019-11-13 Georg Fischer JRG AG Raccord de transition

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1415791A1 (de) * 1961-04-18 1968-11-21 Kabel Metallwerke Ghh Verfahren und Vorrichtung zum fortlaufenden Kennzeichnen von Formstraengen
GB1390405A (en) * 1971-04-30 1975-04-09 Rca Corp Article identification apparatus
US4019053A (en) * 1975-10-14 1977-04-19 Levine Jeffrey C Lethal weapon detection process
FR2441183A1 (fr) * 1978-11-09 1980-06-06 Semplanor Grillage de signalisation des dispositifs enterres
FR2476327A2 (fr) * 1980-02-19 1981-08-21 Semplanor Perfectionnements au grillage de signalisation des dispositifs enterres

Also Published As

Publication number Publication date
FR2538879A1 (fr) 1984-07-06

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name
TP Transmission of property
ST Notification of lapse