FR2602456B1 - Procede pour obtenir des orientations moleculaires dans des plaques perforees de matiere plastique extrudee, et produit obtenu - Google Patents

Procede pour obtenir des orientations moleculaires dans des plaques perforees de matiere plastique extrudee, et produit obtenu

Info

Publication number
FR2602456B1
FR2602456B1 FR878705382A FR8705382A FR2602456B1 FR 2602456 B1 FR2602456 B1 FR 2602456B1 FR 878705382 A FR878705382 A FR 878705382A FR 8705382 A FR8705382 A FR 8705382A FR 2602456 B1 FR2602456 B1 FR 2602456B1
Authority
FR
France
Prior art keywords
plastic material
product obtained
perforated plates
extruded plastic
obtaining molecular
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 - Fee Related
Application number
FR878705382A
Other languages
English (en)
Other versions
FR2602456A1 (fr
Inventor
Mario Beretta
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 FR2602456A1 publication Critical patent/FR2602456A1/fr
Application granted granted Critical
Publication of FR2602456B1 publication Critical patent/FR2602456B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • B29C55/143—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely thereto
    • 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
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • 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
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/737—Articles provided with holes, e.g. grids, sieves
    • 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
    • Y10S264/70—Processes for forming screens or perforating articles
    • 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
    • Y10S264/73—Processes of stretching
    • 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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR878705382A 1986-08-07 1987-04-15 Procede pour obtenir des orientations moleculaires dans des plaques perforees de matiere plastique extrudee, et produit obtenu Expired - Fee Related FR2602456B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21443/86A IT1197855B (it) 1986-08-07 1986-08-07 Procedimento per ottenere orientamenti molecolari in lastre forate in materiale plastico estruso, e prodotto ottenuto

Publications (2)

Publication Number Publication Date
FR2602456A1 FR2602456A1 (fr) 1988-02-12
FR2602456B1 true FR2602456B1 (fr) 1990-05-18

Family

ID=11181860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878705382A Expired - Fee Related FR2602456B1 (fr) 1986-08-07 1987-04-15 Procede pour obtenir des orientations moleculaires dans des plaques perforees de matiere plastique extrudee, et produit obtenu

Country Status (6)

Country Link
US (1) US4808358A (fr)
JP (1) JPS6342838A (fr)
DE (1) DE3712581A1 (fr)
ES (1) ES2005213A6 (fr)
FR (1) FR2602456B1 (fr)
IT (1) IT1197855B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2633215A1 (en) * 1988-06-22 1989-12-29 Hureau Jacques Method and device for the continuous shaping of thermoplastic sheets or films
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
US5494620A (en) * 1993-11-24 1996-02-27 United States Surgical Corporation Method of manufacturing a monofilament suture
EP0707942B1 (fr) * 1994-10-20 2000-03-01 Interventional Technologies Inc Procédé pour la fabrication d'un matériau polymère avec propriétés mécaniques améliorées
US20070185222A1 (en) * 2004-06-04 2007-08-09 William Shelton Lightweight polypropylene nets manufactured with a beta nucleation additive, the method of manufacture and uses thereof
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
US20090214821A1 (en) * 2008-02-15 2009-08-27 Walsh Anthony T Multi-axial grid or mesh structures with high aspect ratio ribs
WO2017062632A1 (fr) 2015-10-09 2017-04-13 Tensar Corporation, Llc Géogrille réalisée à partir de polymère multicouche coextrudé
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
IL305380A (en) 2021-02-26 2023-10-01 Tensar Int Corporation Multi-layered integral geo-networks with a cellular layer structure, and methods for their production and use

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE653621A (fr) *
NL48156C (fr) * 1936-02-29
US3085292A (en) * 1959-02-13 1963-04-16 Bemis Bros Bag Co Method of producing open mesh sheeting of thermoplastic resin
US3052924A (en) * 1959-09-28 1962-09-11 Monsanto Chemicals Process for the manufacture of biaxially oriented crystalline polystyrene
GB905252A (en) * 1960-04-04 1962-09-05 Plastic Textile Access Ltd Improvements in and relating to the stretching of plastic net for molecular orientation of the mesh strands
GB918497A (en) * 1960-09-15 1963-02-13 Hercules Powder Co Ltd Improvements in or relating to a process for making polypropylene film
NL278551A (fr) * 1961-06-02
NL302406A (fr) * 1962-12-24 1900-01-01
NL136829C (fr) * 1964-11-20
US3817671A (en) * 1970-09-01 1974-06-18 J Lemelson Apparatus for forming sheet material
US3694537A (en) * 1970-09-18 1972-09-26 Fmc Corp Manufacture of webs having selected oriented portions
GB1445981A (en) * 1972-08-11 1976-08-11 Beghin Say Sa Net and method of producing same
JPS567857B2 (fr) * 1972-12-04 1981-02-20
GB1522382A (en) * 1975-03-06 1978-08-23 Agfa Gevaert Process for making polymeric film
JPS5227881A (en) * 1975-08-26 1977-03-02 Toray Industries Manufacture of plastic netting product
US4140826A (en) * 1976-04-08 1979-02-20 Hercules Incorporated Reticulated web structures
IT1136831B (it) * 1981-03-31 1986-09-03 R D B Plastotecnica Srl Procedimento ed apparecchiatura per ottenere direttamente una lastra forata nell'estrusione di materie plastiche
DE3273902D1 (en) * 1981-04-03 1986-11-27 Plg Res Plastics material mesh structure
JPS57176132A (en) * 1981-04-24 1982-10-29 Junkosha Co Ltd Sheet-shaped resin material
MX158475A (es) * 1981-10-05 1989-02-03 Plg Res Mejoras en metodo para producir una estructura de malla de material integral de plastico para el reforzamiento de suelo,y producto resultante
GB2124965B (en) * 1982-07-06 1986-05-29 Plg Res Mesh structure and laminate made therewith
JPS61154833A (ja) * 1984-12-27 1986-07-14 Takiron Co Ltd 延伸網体の製造方法

Also Published As

Publication number Publication date
IT8621443A1 (it) 1988-02-07
IT8621443A0 (it) 1986-08-07
IT1197855B (it) 1988-12-21
US4808358A (en) 1989-02-28
DE3712581A1 (de) 1988-02-18
JPS6342838A (ja) 1988-02-24
FR2602456A1 (fr) 1988-02-12
ES2005213A6 (es) 1989-03-01

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ST Notification of lapse