BE582750A - - Google Patents

Info

Publication number
BE582750A
BE582750A BE582750DA BE582750A BE 582750 A BE582750 A BE 582750A BE 582750D A BE582750D A BE 582750DA BE 582750 A BE582750 A BE 582750A
Authority
BE
Belgium
Prior art keywords
die
sheet
elements
plastic
ribs
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication date
Publication of BE582750A publication Critical patent/BE582750A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/345Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/13Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/301Extrusion nozzles or dies having reciprocating, oscillating or rotating parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2028/00Nets or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE582750D BE582750A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE582750A true BE582750A (enrdf_load_stackoverflow) 1900-01-01

Family

ID=191332

Family Applications (1)

Application Number Title Priority Date Filing Date
BE582750D BE582750A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE582750A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
BE895450Q (fr) Film thermoplastique nervure et sacs obtenus a partir de celui-ci
US3193604A (en) Process and apparatus for producing ribbed sheeting
US3387069A (en) Method for the manufacture of tube profiles from thermoplastics
EP0213986B1 (fr) Procédé et dispositif pour la réalisation de films à parois ajourées
US6257863B1 (en) Extruder dies with shaping means
EP0487757B1 (fr) Procédé et dispositif de fabrication de produits alimentaires par cuisson coextrusion
FR2458380A1 (fr) Preforme tubulaire en matiere thermoplastique et procede et equipement pour sa fabrication
FR2561983A1 (fr) Tulle de matiere plastique et son procede de fabrication
CH277406A (fr) Procédé de fabrication d'un tube aplati en matière thermoplastique.
CH307065A (fr) Procédé de fabrication de pellicules et appareil pour la mise en oeuvre de ce procédé.
CH421491A (fr) Procédé pour régler sélectivement les diamètres d'un tube de plastique extrudé et appareil pour la mise en oeuvre du procédé
BE582750A (enrdf_load_stackoverflow)
CH364895A (fr) Dispositif d'extrusion de feuilles nervurées en matière plastique
CH341309A (fr) Procédé de fabrication d'un article en matière plastique et appareil pour la mise en oeuvre de ce procédé
US4842907A (en) Biaxially stretched tubularly extruded film with transverse closure strip
BE621835A (enrdf_load_stackoverflow)
FR2751583A1 (fr) Procede et dispositif de fabrication de recipients a aspect zebre et recipients obtenus par ce procede
EP1838515A1 (fr) Dispositif de thermoformage d'objets ayant une collerette de base
WO1989010834A1 (fr) Procede et appareil pour enduire de caoutchouc des fils deroules en parallele et produire ainsi une nappe
BE600591A (enrdf_load_stackoverflow)
CA2219547C (en) Extruder dies with improved variable closure means
FR2763273A1 (fr) Grille avec ouvertures en forme d'ellipse pour le percement en continu d'un film thermoplastique, procede de fabrication et tambour rotatif mettant en oeuvre une telle grille
BE591818A (enrdf_load_stackoverflow)
BE582284A (enrdf_load_stackoverflow)
BE676113A (enrdf_load_stackoverflow)