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FR2509221B1 - Procede et dispositif pour obtenir directement, en extrudant des matieres plastiques, une plaque percee de trous - Google Patents

Procede et dispositif pour obtenir directement, en extrudant des matieres plastiques, une plaque percee de trous

Info

Publication number
FR2509221B1
FR2509221B1 FR8204406A FR8204406A FR2509221B1 FR 2509221 B1 FR2509221 B1 FR 2509221B1 FR 8204406 A FR8204406 A FR 8204406A FR 8204406 A FR8204406 A FR 8204406A FR 2509221 B1 FR2509221 B1 FR 2509221B1
Authority
FR
France
Prior art keywords
plated
holes
plastic materials
extruding plastic
obtaining directly
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
FR8204406A
Other languages
English (en)
Other versions
FR2509221A1 (fr
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.)
RDB Plastotecnica SpA
Original Assignee
RDB Plastotecnica SpA
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 RDB Plastotecnica SpA filed Critical RDB Plastotecnica SpA
Publication of FR2509221A1 publication Critical patent/FR2509221A1/fr
Application granted granted Critical
Publication of FR2509221B1 publication Critical patent/FR2509221B1/fr
Expired legal-status Critical Current

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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/301—Extrusion nozzles or dies having reciprocating, oscillating or rotating parts
    • 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
    • B29C48/03—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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2028/00—Nets or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/81—Plastic net

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR8204406A 1981-03-31 1982-03-16 Procede et dispositif pour obtenir directement, en extrudant des matieres plastiques, une plaque percee de trous Expired FR2509221B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20853/81A IT1136831B (it) 1981-03-31 1981-03-31 Procedimento ed apparecchiatura per ottenere direttamente una lastra forata nell'estrusione di materie plastiche

Publications (2)

Publication Number Publication Date
FR2509221A1 FR2509221A1 (fr) 1983-01-14
FR2509221B1 true FR2509221B1 (fr) 1985-09-13

Family

ID=11173043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8204406A Expired FR2509221B1 (fr) 1981-03-31 1982-03-16 Procede et dispositif pour obtenir directement, en extrudant des matieres plastiques, une plaque percee de trous

Country Status (4)

Country Link
US (1) US4470942A (fr)
FR (1) FR2509221B1 (fr)
GB (1) GB2095609B (fr)
IT (1) IT1136831B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3433931C1 (de) * 1984-09-15 1986-01-23 Manfred 5210 Troisdorf Hawerkamp Verfahren und Vorrichtung zum Herstellen von Drainagerohren,insbesondere zum Entwaessern und Entgasen von Deponien
FR2572991B1 (fr) * 1984-11-13 1987-02-13 Nortene Sa Gaine tubulaire en matiere plastique et dispositif pour sa realisation
FR2584651B1 (fr) * 1985-07-11 1988-04-22 Hureau Jean Procede et dispositif pour la realisation de films a parois ajourees
IT1197855B (it) * 1986-08-07 1988-12-21 Rdb Plastotecnica Spa Procedimento per ottenere orientamenti molecolari in lastre forate in materiale plastico estruso, e prodotto ottenuto
IT208429Z2 (it) * 1986-11-13 1988-05-28 Breda Roberto Apparecchiatura perfezionata per formare in continuo un manufatto perfezionato di materia plastica.
US5269631A (en) * 1989-09-14 1993-12-14 Netlon Limited Plastics material mesh structures
US5267816A (en) * 1989-09-14 1993-12-07 Netlon Limited Geogrids
US6119324A (en) * 1994-06-09 2000-09-19 Newell Manufacturing Company Method for making extruded articles
WO2005118260A1 (fr) * 2004-06-04 2005-12-15 The Tensar Corporation Filets legers en polypropylene produits avec un additif de nucleation beta, leur procede de fabrication et leurs utilisations
US20050288404A1 (en) * 2004-06-25 2005-12-29 William Shelton Polypropylene grids manufactured with a beta nucleation additive, the method of manufacture and uses thereof
US7582131B2 (en) * 2005-09-15 2009-09-01 Conwed Plastics Llc Plastic support net for filter media
US20070056899A1 (en) * 2005-09-15 2007-03-15 Conwed Plastics Llc Hdpe biaxially oriented netting
US20090214821A1 (en) 2008-02-15 2009-08-27 Walsh Anthony T Multi-axial grid or mesh structures with high aspect ratio ribs
CR20180204A (es) 2015-10-09 2018-07-31 Tensar Corp Llc Geomalla hecha a partir de un polímero estratificado coextrudido
US11519150B2 (en) 2020-06-24 2022-12-06 Tensar International Corporation Horizontal mechanically stabilizing geogrid with improved geotechnical interaction
US11390015B2 (en) 2020-06-24 2022-07-19 Tensar International Corporation Multi-axial integral geogrid and methods of making and using same
IL305468B2 (en) 2021-02-26 2025-09-01 Tensar Int Corporation Horizontal mechanical stabilizer geogrid with enhanced geotechnical interaction
US12291829B2 (en) 2021-12-20 2025-05-06 Tensar International Corporation Expanded multilayer integral geogrids and methods of making and using same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL294316A (fr) * 1962-07-05 1900-01-01
US3160687A (en) * 1962-11-19 1964-12-08 Alvadore M Andrews Method and apparatus for producing perforated sheeting and tubes
BE754974A (fr) * 1969-06-27 1971-02-18 Cellu Prod Co Procede de fabrication de materiaux thermoplastiques reticulaires ou analogues, produits pour son execution et articles ainsi obtenus,
US3714310A (en) * 1970-10-30 1973-01-30 Conwed Corp Method for making reticulated tubular net
FR2131842A6 (en) * 1971-03-30 1972-11-17 Labarre M Mesh extrusion die - using a shear cutter instead of a stamp to reduce tool wear
FR2138198A2 (en) * 1971-05-19 1973-01-05 Hureau Jacques Extruded plastic netting - produced as individual bags with print activated surface
FR2160270A1 (en) * 1971-11-17 1973-06-29 Hureau Jean Claude Mesh extrusion die - with knives alternately releasing strand and hoop extrudates
GB1400084A (en) * 1971-12-02 1975-07-16 Labarre M Machine for producing perforated sleeves
FR2161842A1 (en) * 1971-12-03 1973-07-13 Hureau Jean Claude Mesh extrusion dies - for cutting holes in helical or hoop arrays in a tubular extrudate
FR2203703B1 (fr) * 1972-10-20 1976-03-26 Hureau Jean Claude
US4038008A (en) * 1974-02-11 1977-07-26 Conwed Corporation Production of net or net-like products
US4303609A (en) * 1978-01-03 1981-12-01 Jacques Hureau Process for extruding a thermoplastic sheath in the form of a tubular film provided with perforations and device for carrying out the process
US4189292A (en) * 1978-03-14 1980-02-19 Hubert Gaillard Extruding head for making reticulated seamless tubes
US4239830A (en) * 1979-03-29 1980-12-16 Harry Ball Webbed plastic tubing

Also Published As

Publication number Publication date
US4470942A (en) 1984-09-11
GB2095609A (en) 1982-10-06
GB2095609B (en) 1985-08-14
FR2509221A1 (fr) 1983-01-14
IT1136831B (it) 1986-09-03
IT8120853A0 (it) 1981-03-31

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Legal Events

Date Code Title Description
ST Notification of lapse