IT1027818B - EXTRUSION HEAD WITH VARIABLE ORIFICATION - Google Patents

EXTRUSION HEAD WITH VARIABLE ORIFICATION

Info

Publication number
IT1027818B
IT1027818B IT30742/74A IT3074274A IT1027818B IT 1027818 B IT1027818 B IT 1027818B IT 30742/74 A IT30742/74 A IT 30742/74A IT 3074274 A IT3074274 A IT 3074274A IT 1027818 B IT1027818 B IT 1027818B
Authority
IT
Italy
Prior art keywords
orification
variable
extrusion head
extrusion
head
Prior art date
Application number
IT30742/74A
Other languages
Italian (it)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT1027818B publication Critical patent/IT1027818B/en

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
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/06—Rod-shaped
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
IT30742/74A 1973-12-20 1974-12-19 EXTRUSION HEAD WITH VARIABLE ORIFICATION IT1027818B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42692973A 1973-12-20 1973-12-20

Publications (1)

Publication Number Publication Date
IT1027818B true IT1027818B (en) 1978-12-20

Family

ID=23692778

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30742/74A IT1027818B (en) 1973-12-20 1974-12-19 EXTRUSION HEAD WITH VARIABLE ORIFICATION

Country Status (7)

Country Link
JP (1) JPS50100164A (en)
DE (1) DE2459842A1 (en)
ES (1) ES433105A1 (en)
FR (1) FR2255163A1 (en)
IT (1) IT1027818B (en)
NL (1) NL7416242A (en)
SE (1) SE7416075L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1570386A (en) * 1975-11-18 1980-07-02 Pirelli General Cable Works Manufacture of covered electric cables
JPS5428374A (en) * 1977-08-04 1979-03-02 Toyo Tire & Rubber Co Automobile inner tube extruder cap regulating apparatus
JPS56144197A (en) * 1980-04-14 1981-11-10 Teibow Co Ltd Molding device for pen point in synthetic resin
JP4109931B2 (en) * 2002-08-30 2008-07-02 金井 宏彰 Extruder head

Also Published As

Publication number Publication date
SE7416075L (en) 1975-06-23
DE2459842A1 (en) 1975-06-26
ES433105A1 (en) 1976-11-16
FR2255163A1 (en) 1975-07-18
NL7416242A (en) 1975-06-24
JPS50100164A (en) 1975-08-08
FR2255163B3 (en) 1977-09-16

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