CA1239267A - Procede et appareils pour la production de filets en matiere plastique - Google Patents

Procede et appareils pour la production de filets en matiere plastique

Info

Publication number
CA1239267A
CA1239267A CA000458069A CA458069A CA1239267A CA 1239267 A CA1239267 A CA 1239267A CA 000458069 A CA000458069 A CA 000458069A CA 458069 A CA458069 A CA 458069A CA 1239267 A CA1239267 A CA 1239267A
Authority
CA
Canada
Prior art keywords
net
axis
strands
die
around
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
CA000458069A
Other languages
English (en)
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
Application granted granted Critical
Publication of CA1239267A publication Critical patent/CA1239267A/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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0027—Cutting off
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0063—Cutting longitudinally
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CA000458069A 1983-12-23 1984-07-04 Procede et appareils pour la production de filets en matiere plastique Expired CA1239267A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT24353A/83 1983-12-23
IT24353/83A IT1203718B (it) 1983-12-23 1983-12-23 Reti in materia plastica ed apparecchiatura per l'attuazione di detto procedimento

Publications (1)

Publication Number Publication Date
CA1239267A true CA1239267A (fr) 1988-07-19

Family

ID=11213224

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000458069A Expired CA1239267A (fr) 1983-12-23 1984-07-04 Procede et appareils pour la production de filets en matiere plastique

Country Status (5)

Country Link
JP (1) JPS60159030A (fr)
CA (1) CA1239267A (fr)
FR (1) FR2557015B1 (fr)
GB (2) GB2151972B (fr)
IT (1) IT1203718B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128076A (en) * 1991-03-21 1992-07-07 Minnesota Mining And Manufacturing Company Apparatus and method for producing an elongate strip of material
KR100825271B1 (ko) 2006-10-09 2008-04-25 이석훈 원통형 플라스틱 필름지의 절개장치
CN102825623B (zh) * 2012-09-05 2014-06-25 晋城凤凰实业有限责任公司 双向拉伸塑料护帮网全自动裁网机

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE641951A (fr) * 1900-01-01
US2919467A (en) * 1955-11-09 1960-01-05 Plastic Textile Access Ltd Production of net-like structures
GB836555A (en) * 1955-11-09 1960-06-01 Plastic Textile Access Ltd Improvements relating to the production of net or netlike fabrics by extrusion methods
GB836556A (en) * 1956-10-26 1960-06-01 Plastic Textile Access Ltd Improvements relating to the production of fabrics
GB925657A (en) * 1958-09-18 1963-05-08 Plastic Textile Access Ltd Improvements in and relating to ribbed plastic material
GB960543A (en) * 1961-10-17 1964-06-10 Ici Australia Ltd Improved method and apparatus for extruding thermoplastic material
US3089804A (en) * 1961-10-31 1963-05-14 Union Carbide Corp Process and apparatus for producing plastic net
GB1058445A (en) * 1962-11-06 1967-02-08 Plastic Textile Access Ltd Improvements in and relating to the production of extruded plastic net
US3422493A (en) * 1966-08-26 1969-01-21 Nrm Corp Rotary induction heated extrusion die
GB1250478A (fr) * 1968-02-23 1971-10-20
GB1288256A (fr) * 1969-04-09 1972-09-06
GB1290437A (fr) * 1970-04-10 1972-09-27
US3674898A (en) * 1971-02-24 1972-07-04 Conwed Corp Method for bias cutting a tubular net
BE792273A (fr) * 1971-12-07 1973-03-30 Netlon Ltd Perfectionnements a la production de filets en plastiques extrudes
US3932103A (en) * 1974-01-31 1976-01-13 Reynolds Metals Company Die for extruding plastic film
GB1559804A (en) * 1976-11-17 1980-01-30 Courtaulds Ltd Extruding plastics material
US4112034A (en) * 1977-05-05 1978-09-05 General Electric Company Biaxial film process and rotary apparatus therefor

Also Published As

Publication number Publication date
FR2557015A1 (fr) 1985-06-28
GB8710144D0 (en) 1987-06-03
IT1203718B (it) 1989-02-23
GB2151972B (en) 1988-05-25
JPS60159030A (ja) 1985-08-20
GB8414844D0 (en) 1984-07-18
GB2151972A (en) 1985-07-31
FR2557015B1 (fr) 1988-06-24
GB2188273A (en) 1987-09-30
IT8324353A0 (it) 1983-12-23

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