IT1071671B - Metodo ed apparecchio per produrre tubi in plastica con anima elicoidale - Google Patents

Metodo ed apparecchio per produrre tubi in plastica con anima elicoidale

Info

Publication number
IT1071671B
IT1071671B IT27011/76A IT2701176A IT1071671B IT 1071671 B IT1071671 B IT 1071671B IT 27011/76 A IT27011/76 A IT 27011/76A IT 2701176 A IT2701176 A IT 2701176A IT 1071671 B IT1071671 B IT 1071671B
Authority
IT
Italy
Prior art keywords
helicoidal
core
plastic pipes
produce plastic
produce
Prior art date
Application number
IT27011/76A
Other languages
English (en)
Italian (it)
Original Assignee
Bandera Luigi
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 Bandera Luigi filed Critical Bandera Luigi
Priority to IT27011/76A priority Critical patent/IT1071671B/it
Priority to DE19772739594 priority patent/DE2739594A1/de
Priority to ES462225A priority patent/ES462225A1/es
Priority to FR7727325A priority patent/FR2364108A1/fr
Application granted granted Critical
Publication of IT1071671B publication Critical patent/IT1071671B/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
    • B29C48/32—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
    • B29C48/05—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
    • 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
    • B29C48/131—Curved 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow articles
    • B29C48/152—Coating hollow articles the inner surfaces thereof
    • B29C48/153—Coating both inner and outer surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT27011/76A 1976-09-09 1976-09-09 Metodo ed apparecchio per produrre tubi in plastica con anima elicoidale IT1071671B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT27011/76A IT1071671B (it) 1976-09-09 1976-09-09 Metodo ed apparecchio per produrre tubi in plastica con anima elicoidale
DE19772739594 DE2739594A1 (de) 1976-09-09 1977-09-02 Verfahren und vorrichtung zur herstellung von mit schraubenfoermiger seele versehenen kunststoff-rohren
ES462225A ES462225A1 (es) 1976-09-09 1977-09-08 Metodo y aparato para producir tubos de plastico con anima helicoidal.
FR7727325A FR2364108A1 (fr) 1976-09-09 1977-09-09 Procede et dispositif pour l'obtention de tubes en matiere plastique a ame helicoidale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT27011/76A IT1071671B (it) 1976-09-09 1976-09-09 Metodo ed apparecchio per produrre tubi in plastica con anima elicoidale

Publications (1)

Publication Number Publication Date
IT1071671B true IT1071671B (it) 1985-04-10

Family

ID=11220758

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27011/76A IT1071671B (it) 1976-09-09 1976-09-09 Metodo ed apparecchio per produrre tubi in plastica con anima elicoidale

Country Status (4)

Country Link
DE (1) DE2739594A1 (cs)
ES (1) ES462225A1 (cs)
FR (1) FR2364108A1 (cs)
IT (1) IT1071671B (cs)

Also Published As

Publication number Publication date
FR2364108A1 (fr) 1978-04-07
ES462225A1 (es) 1978-05-16
DE2739594A1 (de) 1978-03-16
FR2364108B3 (cs) 1980-06-13

Similar Documents

Publication Publication Date Title
IT1089398B (it) Metodo e dispositivo per introdurre un assieme tubolare nel suolo
AR226691A1 (es) Mejoras en metodo y aparato para cortar una pieza tubular
IT1106205B (it) Oggetti tubolari in plastica e metodo per loro fabbricazione
IT1123110B (it) Metodo ed apparecchio per misurare lo spessore di parete in un articolo in plastica
MX146122A (es) Mejoras en aparato y metodo para reparar un pozo ademado
JPS5331785A (en) Reinforced plastic products and apparatus and production method thereof
MX152938A (es) Mejoras en metodo para fabricar un cateter
JPS5331221A (en) Method and device for connecting pipe ends
MX150884A (es) Mejoras en aparato para producir un cable preformado y metodo de manufactura
NZ183351A (en) Moulding fibrous insulation into cylindricalform with a longitudinal seam:method and apparatus
MX154025A (es) Mejoras en metodo y aparato para fabricar un conductor electrico flexible aereo
FR2341897A1 (fr) Additionneur a ligne de propagation et procede d'addition binaire
MX146613A (es) Metodo y aparato mejorados para identificar un molde
IL55339A (en) Method and apparatus for forming a bell-shaped end in plastic pipes
IT1076631B (it) Metodo ed apparato per stirare una pellicola
IT1084071B (it) Procedimento ed apparecchio per modellare a caldo fogli di plastica
DK377177A (da) Fremgangsmaade og vaerktoej til fremstilling af formdele isaer roerboejninger af roer af termoplastisk formstofskum
IT1074953B (it) Dispositivo e procedimento per il riscaldamento di un pezzo in lavorazione
IT1095331B (it) Metodo ed apparecchio per produrre un tubo in materiale termoplastico a doppia parete
IT1071671B (it) Metodo ed apparecchio per produrre tubi in plastica con anima elicoidale
MX158814A (es) Mejoras en metodo y aparato para producir una pelicula delgada
JPS5361550A (en) Stress removed pipe manufacturing process and practical device and pipe made with said process
MX143446A (es) Mejoras en metodo y dispositivo para encerrar un empalme de cable
JPS5289170A (en) Method and device for producing plastic tube having rectangular passage
AT364041B (de) Brennstoffeinheit in einem mit druckwasser moderierten und gekuehlten, mit kernbrennstoff gespeisten schnellen brueter