IT1136831B - Procedimento ed apparecchiatura per ottenere direttamente una lastra forata nell'estrusione di materie plastiche - Google Patents

Procedimento ed apparecchiatura per ottenere direttamente una lastra forata nell'estrusione di materie plastiche

Info

Publication number
IT1136831B
IT1136831B IT20853/81A IT2085381A IT1136831B IT 1136831 B IT1136831 B IT 1136831B IT 20853/81 A IT20853/81 A IT 20853/81A IT 2085381 A IT2085381 A IT 2085381A IT 1136831 B IT1136831 B IT 1136831B
Authority
IT
Italy
Prior art keywords
extrusion
procedure
equipment
plastic materials
perforated sheet
Prior art date
Application number
IT20853/81A
Other languages
English (en)
Other versions
IT8120853A0 (it
Inventor
Mario Beretta
Original Assignee
R D B Plastotecnica Srl
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 R D B Plastotecnica Srl filed Critical R D B Plastotecnica Srl
Priority to IT20853/81A priority Critical patent/IT1136831B/it
Publication of IT8120853A0 publication Critical patent/IT8120853A0/it
Priority to GB8207010A priority patent/GB2095609B/en
Priority to US06/357,745 priority patent/US4470942A/en
Priority to FR8204406A priority patent/FR2509221B1/fr
Application granted granted Critical
Publication of IT1136831B publication Critical patent/IT1136831B/it

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

Priority Applications (4)

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
GB8207010A GB2095609B (en) 1981-03-31 1982-03-10 Process and equipment to obtain a sheet provided with holes directly by extruding plastic materials
US06/357,745 US4470942A (en) 1981-03-31 1982-03-12 Process and equipment to obtain a plate provided with holes directly by extruding plastic materials
FR8204406A FR2509221B1 (fr) 1981-03-31 1982-03-16 Procede et dispositif pour obtenir directement, en extrudant des matieres plastiques, une plaque percee de trous

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
IT8120853A0 IT8120853A0 (it) 1981-03-31
IT1136831B true IT1136831B (it) 1986-09-03

Family

ID=11173043

Family Applications (1)

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

Country Status (4)

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

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 (en) * 2004-06-04 2005-12-15 The Tensar Corporation 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
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
KR102706721B1 (ko) 2015-10-09 2024-09-12 텐사 코포레이션, 엘엘씨 공압출된 다층 폴리머로 제조된 지오그리드
US11390015B2 (en) 2020-06-24 2022-07-19 Tensar International Corporation Multi-axial integral geogrid and methods of making and using same
US11519150B2 (en) 2020-06-24 2022-12-06 Tensar International Corporation Horizontal mechanically stabilizing geogrid with improved geotechnical interaction
IL305468B2 (en) 2021-02-26 2025-09-01 Tensar Int Corporation Horizontal mechanical stabilizer geogrid with enhanced geotechnical interaction
CR20240230A (es) 2021-12-20 2024-09-03 Tensar Int Corporation Geomallas integrales multicapa ampliadas y métodos de fabricación y uso del mismo

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL294316A (it) * 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 (it) * 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
FR2509221A1 (fr) 1983-01-14
IT8120853A0 (it) 1981-03-31
FR2509221B1 (fr) 1985-09-13
GB2095609A (en) 1982-10-06
US4470942A (en) 1984-09-11
GB2095609B (en) 1985-08-14

Similar Documents

Publication Publication Date Title
IT1136831B (it) Procedimento ed apparecchiatura per ottenere direttamente una lastra forata nell'estrusione di materie plastiche
IT1195233B (it) Dispositivo di connessione per intercollegare in modo regolabile ed amovibile una pluralita' di componenti strutturali allungati
IT1169374B (it) Metodo e dispositivo per regolare la densita' di lavorazione a maglia
IT1115943B (it) Dispositivo e procedimento per la estrusione di materie plastiche
IT8419254A0 (it) Procedimento ed apparecchiatura per l'ottenimento di un'espulsione massima di un estrusore a doppia coclea.
IT1077191B (it) Procedimento per la soffiatura a estrusione di corpi cavi termoplastici e dispositivo prensile per introdurre lo sbozzato nell'utensile di soffiatura
JPS57179042A (en) Extrusion formation and device
IT1202583B (it) Dispositivo per eseguire l'orditura di fili sul subbio di un orditoio e orditoio
IT1100625B (it) Procedimento e dispositivo per la fabbricazione di una lastra da costruzione con l'impiego di gesso
DK282687D0 (da) Ekstrusionsmatrice
ES509633A0 (es) "perfeccionamientos en los cabezales de extrusion y pieza extruida correspondiente".
IT1090473B (it) Procedimento per la piegatura di materia plastica in foglio e foglio di materia plastica ottenuto mediante l'attuazione di questo procedimento
IT7922671A0 (it) Procedimento e dispositivo d'estrusione di elementi elicoidali in materiale plastico e elementi ottenuti.
ES524276A0 (es) "metodo y aparato de produccion de estructuras unitarias de material plastico y estructura correspondiente"
ES556536A0 (es) Procedimiento y dispositivo de extrusion de estructuras alveolares de materia termoplastica
IT1153186B (it) Procedimento ed apparecchio per estrudere composizioni termoplastiche
JPS53137260A (en) Honeycomb extrusion and extruder
IT1074310B (it) Polimeri termoplastici per applicazioni d'estrusione e procedimento per prepararli
IT1165135B (it) Migliotamento nelle presse per estrusione
IT1148559B (it) Procedimento ed apparecchiatura per l'applicazione di indicazioni su oggetti in materiale plastico rinforzato
AT386772B (de) Strangpressmatrize
IT1195794B (it) Procedimento e apparecchiatura per produrre materiale particellare
IT1118675B (it) Procedimento e dispositivo per la tranciatura di fogli di materia plastica
IT1152803B (it) Metodo e dispositivo per l'applicazione di una racla
IT1121330B (it) Procedimento ed apparecchiatura per l'estrusione continua