BR7701580A - Matriz para extrusao de elementos tubulares ocos em materia plastica - Google Patents

Matriz para extrusao de elementos tubulares ocos em materia plastica

Info

Publication number
BR7701580A
BR7701580A BR7701580A BR7701580A BR7701580A BR 7701580 A BR7701580 A BR 7701580A BR 7701580 A BR7701580 A BR 7701580A BR 7701580 A BR7701580 A BR 7701580A BR 7701580 A BR7701580 A BR 7701580A
Authority
BR
Brazil
Prior art keywords
extrusion
matrix
plastic material
hollow tubular
tubular elements
Prior art date
Application number
BR7701580A
Other languages
English (en)
Inventor
M Terragni
Original Assignee
Covema 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 Covema Srl filed Critical Covema Srl
Publication of BR7701580A publication Critical patent/BR7701580A/pt

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
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-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
    • B29L2031/00—Other particular articles
    • B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
BR7701580A 1976-03-16 1977-03-15 Matriz para extrusao de elementos tubulares ocos em materia plastica BR7701580A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21250/76A IT1058429B (it) 1976-03-16 1976-03-16 Trafila per l estrusione di elementi tubolari cavi in materia plastica e contenitore ottenuto con detti elementi tubolari

Publications (1)

Publication Number Publication Date
BR7701580A true BR7701580A (pt) 1977-11-08

Family

ID=11179035

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7701580A BR7701580A (pt) 1976-03-16 1977-03-15 Matriz para extrusao de elementos tubulares ocos em materia plastica

Country Status (8)

Country Link
BR (1) BR7701580A (pt)
DE (1) DE2710565A1 (pt)
DK (1) DK112177A (pt)
ES (2) ES227427Y (pt)
FR (1) FR2344397A1 (pt)
IT (1) IT1058429B (pt)
NL (1) NL7702872A (pt)
SE (1) SE7702679L (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439078A1 (fr) * 1978-10-16 1980-05-16 Kuster Rene Tubes, tuyaux et profiles creux en matiere plastique, procede et outil pour leur fabrication
EP0010490B1 (fr) * 1978-10-16 1982-12-22 René Kuster Tubes, tuyaux et profilés creux en matière plastique, procédé et outil pour leur fabrication
NL178063C (nl) 1979-03-27 1986-01-16 Wavin Bv Extrusiekop met ringvormig extrusiekanaal alsmede een kunststofbuis met in langsrichting verlopende holle kanalen in de wand verkregen met behulp van een dergelijke extrusiekop.
EP0244154B1 (en) * 1986-04-29 1990-12-27 Ceskoslovenska akademie ved Device for making pipings of thermoplastic materials
CH674762A5 (pt) * 1987-11-25 1990-07-13 Luigi Sanicola

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1471485A (fr) * 1966-03-15 1967-03-03 Tokan Kogyo Co Ltd Procédé et dispositif pour la fabrication de panneaux en matériau résineux synthétique contenant des produits synthétiques expansés et panneaux obtenus

Also Published As

Publication number Publication date
ES227427Y (es) 1978-02-16
SE7702679L (sv) 1977-09-17
DK112177A (da) 1977-09-17
IT1058429B (it) 1982-04-10
DE2710565A1 (de) 1977-09-22
ES230249Y (es) 1978-02-16
NL7702872A (nl) 1977-09-20
ES230249U (es) 1977-10-16
ES227427U (es) 1977-10-16
FR2344397A1 (fr) 1977-10-14

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