JPS57176B2 - - Google Patents

Info

Publication number
JPS57176B2
JPS57176B2 JP7106374A JP7106374A JPS57176B2 JP S57176 B2 JPS57176 B2 JP S57176B2 JP 7106374 A JP7106374 A JP 7106374A JP 7106374 A JP7106374 A JP 7106374A JP S57176 B2 JPS57176 B2 JP S57176B2
Authority
JP
Japan
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
JP7106374A
Other versions
JPS50161552A (ja
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 filed Critical
Priority to JP7106374A priority Critical patent/JPS57176B2/ja
Publication of JPS50161552A publication Critical patent/JPS50161552A/ja
Publication of JPS57176B2 publication Critical patent/JPS57176B2/ja
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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/565—Screws having projections other than the thread, e.g. pins
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • B29C45/52—Non-return devices
    • B29C2045/528—Mixing means forming part of or in close proximity to the non-return valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP7106374A 1974-06-21 1974-06-21 Expired JPS57176B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7106374A JPS57176B2 (ja) 1974-06-21 1974-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7106374A JPS57176B2 (ja) 1974-06-21 1974-06-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP40778A Division JPS5415959A (en) 1978-01-06 1978-01-06 Production of molded product with flow pattern

Publications (2)

Publication Number Publication Date
JPS50161552A JPS50161552A (ja) 1975-12-27
JPS57176B2 true JPS57176B2 (ja) 1982-01-05

Family

ID=13449681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7106374A Expired JPS57176B2 (ja) 1974-06-21 1974-06-21

Country Status (1)

Country Link
JP (1) JPS57176B2 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61255828A (ja) * 1985-05-10 1986-11-13 Sekisui Plastics Co Ltd 合成樹脂押出機
DE102016119172B4 (de) * 2016-10-10 2020-03-05 Kraussmaffei Technologies Gmbh Spritzgießmaschine zur Herstellung von faserverstärkten Kunststoff-Formteilen

Also Published As

Publication number Publication date
JPS50161552A (ja) 1975-12-27

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