IT979672B - Procedimento e dispositivo per la fabbricazione di reti ed altre strutture lacunari in materie pla stiche - Google Patents

Procedimento e dispositivo per la fabbricazione di reti ed altre strutture lacunari in materie pla stiche

Info

Publication number
IT979672B
IT979672B IT7048272A IT7048272A IT979672B IT 979672 B IT979672 B IT 979672B IT 7048272 A IT7048272 A IT 7048272A IT 7048272 A IT7048272 A IT 7048272A IT 979672 B IT979672 B IT 979672B
Authority
IT
Italy
Prior art keywords
lacunar
procedure
structures
plastic materials
manufacturing networks
Prior art date
Application number
IT7048272A
Other languages
English (en)
Inventor
B Rota
T Castelnau
J Hureau
Original Assignee
Generale Alimentaire 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
Priority claimed from FR7140270A external-priority patent/FR2159188A1/fr
Priority claimed from FR7145140A external-priority patent/FR2163359A1/fr
Application filed by Generale Alimentaire Sa filed Critical Generale Alimentaire Sa
Application granted granted Critical
Publication of IT979672B publication Critical patent/IT979672B/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
    • B29C48/05—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
    • B29C48/07—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
    • B29C48/09—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
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24074—Strand or strand-portions
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24826—Spot bonds connect components
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/24994—Fiber embedded in or on the surface of a polymeric matrix
    • Y10T428/249942—Fibers are aligned substantially parallel
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2975—Tubular or cellular

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Nonwoven Fabrics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
IT7048272A 1971-11-10 1972-11-07 Procedimento e dispositivo per la fabbricazione di reti ed altre strutture lacunari in materie pla stiche IT979672B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7140270A FR2159188A1 (en) 1971-11-10 1971-11-10 Plastic nets - by separately extruding sheet of continuous threads and discontinuous transverse strands and pushing strands betw
FR7145140A FR2163359A1 (en) 1971-12-15 1971-12-15 Plastic nets - by separately extruding sheet of continuous threads and discontinuous transverse strands and pushing strands betw

Publications (1)

Publication Number Publication Date
IT979672B true IT979672B (it) 1974-09-30

Family

ID=26216709

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7048272A IT979672B (it) 1971-11-10 1972-11-07 Procedimento e dispositivo per la fabbricazione di reti ed altre strutture lacunari in materie pla stiche

Country Status (14)

Country Link
US (1) US3874969A (it)
AR (1) AR195885A1 (it)
BE (1) BE791111A (it)
CA (1) CA1002713A (it)
CH (1) CH576335A5 (it)
DE (1) DE2254861A1 (it)
ES (1) ES408496A1 (it)
GB (1) GB1414788A (it)
IL (1) IL40788A (it)
IT (1) IT979672B (it)
LU (1) LU66444A1 (it)
NL (1) NL7215203A (it)
OA (1) OA04270A (it)
SE (2) SE391299B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4274251A (en) * 1973-01-16 1981-06-23 Hercules Incorporated Yarn structure having main filaments and tie filaments
US4186781A (en) * 1973-01-16 1980-02-05 Hercules Incorporated Network structures and methods of making same
US4144368A (en) * 1973-01-16 1979-03-13 Hercules Incorporated Network structures having different cross-sections
US4207375A (en) * 1975-06-26 1980-06-10 Hercules Incorporated Network structures and methods of making same
US4059713A (en) * 1975-09-05 1977-11-22 Netlon Limited Extruded plastics net or mesh structures
FR2597026B1 (fr) * 1986-04-11 1988-12-09 Trotignon Jean Pierre Dispositif de fabrication d'une plaque alveolaire, plaque alveolaire en resultant
FR2630143B1 (fr) * 1988-04-15 1991-05-24 Nortene Sa Grillage en matiere plastique a usage notamment de nappe de drainage et dispositif pour sa realisation
WO2013028654A2 (en) * 2011-08-22 2013-02-28 3M Innovative Properties Company Netting, arrays, and dies, and methods of making the same
CN105358316B (zh) * 2013-06-27 2017-05-10 3M创新有限公司 聚合物层及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127298A (en) * 1964-03-31 Method and products thereof
US3029174A (en) * 1959-05-20 1962-04-10 Union Carbide Corp Method and apparatus for producing extruded thermoplastic net
US3067084A (en) * 1959-09-21 1962-12-04 Jr George S Nalle Die head for extruding plastic netting and method of extruding such netting
FR1310478A (fr) * 1960-12-28 1962-11-30 Fabrication continue de feuilles et de tubes de structure lacunaire, et notamment réticulée
US3413182A (en) * 1963-01-15 1968-11-26 Kendall & Co Patterned non-woven fabrics comprising electrically-spun polymeric filaments
US3551543A (en) * 1967-09-06 1970-12-29 Plastic Textile Access Ltd Manufacture of plastic net
US3700521A (en) * 1969-11-10 1972-10-24 Conwed Corp Method for the extrusion of plastic net and netlike structures
US3749535A (en) * 1971-10-14 1973-07-31 Conwed Corp Apparatus for extrusion of plastic net

Also Published As

Publication number Publication date
CA1002713A (en) 1977-01-04
ES408496A1 (es) 1976-03-01
OA04270A (fr) 1979-12-31
US3874969A (en) 1975-04-01
CH576335A5 (it) 1976-06-15
AR195885A1 (es) 1973-11-15
GB1414788A (en) 1975-11-19
DE2254861A1 (de) 1973-07-19
SE391299B (sv) 1977-02-14
IL40788A (en) 1976-11-30
SE7509021L (sv) 1975-08-12
IL40788A0 (en) 1973-01-30
BE791111A (fr) 1973-03-01
NL7215203A (it) 1973-05-14
LU66444A1 (it) 1973-02-01

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