ES2089969A2 - Procedimiento y dispositivo para la realizacion por extrusion de elementos longilineos de estructura lagunar, y elementos asi obtenidos. - Google Patents

Procedimiento y dispositivo para la realizacion por extrusion de elementos longilineos de estructura lagunar, y elementos asi obtenidos.

Info

Publication number
ES2089969A2
ES2089969A2 ES09400330A ES9400330A ES2089969A2 ES 2089969 A2 ES2089969 A2 ES 2089969A2 ES 09400330 A ES09400330 A ES 09400330A ES 9400330 A ES9400330 A ES 9400330A ES 2089969 A2 ES2089969 A2 ES 2089969A2
Authority
ES
Spain
Prior art keywords
elements
procedure
extrusion
longiline
lagoon
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.)
Granted
Application number
ES09400330A
Other languages
English (en)
Other versions
ES2089969B1 (es
ES2089969R (es
Inventor
Jacques Hureau
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.)
Samex S A
Original Assignee
Samex S A
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 Samex S A filed Critical Samex S A
Publication of ES2089969A2 publication Critical patent/ES2089969A2/es
Publication of ES2089969R publication Critical patent/ES2089969R/es
Application granted granted Critical
Publication of ES2089969B1 publication Critical patent/ES2089969B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A01G13/00—Protection of plants
    • A01G13/20—Protective coverings for plants
    • A01G13/27—Protective coverings for plants protecting specific parts of plants, e.g. roots, trunks or fruits
    • 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
    • A01G13/00—Protection of plants
    • A01G13/20—Protective coverings for plants
    • A01G13/23—Protective coverings for plants providing lateral protection, e.g. from wind
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/25—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
    • B29C48/06—Rod-shaped
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

PROCEDIMIENTO Y DISPOSITIVO PARA LA REALIZACION POR EXTRUSION DE ELEMENTOS LONGILINEOS DE ESTRUCTURA LAGUNAR Y ELEMENTOS ASI OBTENIDOS. EN DICHO PROCEDIMIENTO UN MATERIAL SINTETICO TERMOPLASTICO ES INTRODUCIDO EN ESTADO VISCOSO O PLASTICO EN UNA CABEZA DE EXTRUSION PROVISTA DE UNA RANURA DE EXTRUSION ASOCIADA A UNOS MEDIOS DE OBTURACION DESPLAZABLES, APTOS PARA INTERRUMPIR LOCALMENTE Y DE FORMA INTERMITENTE EL FLUJO DE MATERIAL VISCOSO, MANDANDO ASI LOS MEDIOS DE OBTURACION DE MANERA QUE CREEN EN CONTINUO, EN EL SENTIDO LONGITUDINAL DE DICHO ELEMENTO, UNA PARTE SENSIBLEMENTE MACIZA Y UNA PARTE SENSIBLEMENTE LAGUNAR, AMBAS CONTIGUAS. LA INVENCION SE APLICA A LA EXTRUSION DE VAINAS DE PROTECCION PARA ARBUSTOS Y PLANTAS.
ES09400330A 1993-04-02 1994-02-22 Procedimiento y dispositivo para la realizacion por extrusion de elementos longilineos de estructura lagunar, y elementos asi obtenidos. Expired - Fee Related ES2089969B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9303913A FR2703294B1 (fr) 1993-04-02 1993-04-02 Procédé et dispositif pour la réalisation par extrusion d'éléments longilignes à structure lacunaire, et éléments ainsi obtenus.

Publications (3)

Publication Number Publication Date
ES2089969A2 true ES2089969A2 (es) 1996-10-01
ES2089969R ES2089969R (es) 1997-08-01
ES2089969B1 ES2089969B1 (es) 1998-04-01

Family

ID=9445694

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09400330A Expired - Fee Related ES2089969B1 (es) 1993-04-02 1994-02-22 Procedimiento y dispositivo para la realizacion por extrusion de elementos longilineos de estructura lagunar, y elementos asi obtenidos.

Country Status (2)

Country Link
ES (1) ES2089969B1 (es)
FR (1) FR2703294B1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402039B (de) * 1994-11-15 1997-01-27 Bruno Ing Svoboda Schneckenplastifiziereinrichtung
AT404214B (de) * 1997-01-31 1998-09-25 Heeb Albin Vorrichtung zur verhinderung von schälschäden an laub- und nadelbäumen
FR2773047B1 (fr) * 1997-12-30 2000-03-17 Nortene Technologies Dispositif de protection de plants d'arbres et procede pour sa mise en place
FR2774324B1 (fr) * 1998-02-05 2000-04-07 Nortene Technologies Dispositif de coextrusion, procede et produits obtenus par ce procede

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3917889A (en) * 1971-10-18 1975-11-04 Conwed Corp Extruded tubular net products
US4424178A (en) * 1981-01-23 1984-01-03 Krupp Kautex Machinenbau GmbH Procedure and device for production of a preform of thermoplastic synthetic material by means of extrusion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3917889A (en) * 1971-10-18 1975-11-04 Conwed Corp Extruded tubular net products
US4424178A (en) * 1981-01-23 1984-01-03 Krupp Kautex Machinenbau GmbH Procedure and device for production of a preform of thermoplastic synthetic material by means of extrusion

Also Published As

Publication number Publication date
FR2703294A1 (fr) 1994-10-07
ES2089969B1 (es) 1998-04-01
FR2703294B1 (fr) 1995-06-09
ES2089969R (es) 1997-08-01

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