JPS4951358A - - Google Patents

Info

Publication number
JPS4951358A
JPS4951358A JP47092345A JP9234572A JPS4951358A JP S4951358 A JPS4951358 A JP S4951358A JP 47092345 A JP47092345 A JP 47092345A JP 9234572 A JP9234572 A JP 9234572A JP S4951358 A JPS4951358 A JP S4951358A
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.)
Granted
Application number
JP47092345A
Other languages
Japanese (ja)
Other versions
JPS546594B2 (2
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 JP9234572A priority Critical patent/JPS546594B2/ja
Publication of JPS4951358A publication Critical patent/JPS4951358A/ja
Publication of JPS546594B2 publication Critical patent/JPS546594B2/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
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP9234572A 1972-09-14 1972-09-14 Expired JPS546594B2 (2)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9234572A JPS546594B2 (2) 1972-09-14 1972-09-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9234572A JPS546594B2 (2) 1972-09-14 1972-09-14

Publications (2)

Publication Number Publication Date
JPS4951358A true JPS4951358A (2) 1974-05-18
JPS546594B2 JPS546594B2 (2) 1979-03-29

Family

ID=14051796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9234572A Expired JPS546594B2 (2) 1972-09-14 1972-09-14

Country Status (1)

Country Link
JP (1) JPS546594B2 (2)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51109071A (en) * 1975-03-20 1976-09-27 Sumitomo Electric Industries Hatsuhotaino oshidashihoho

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887279U (ja) * 1981-12-08 1983-06-13 オリンパス光学工業株式会社 プラグ装置
JPS6046679U (ja) * 1983-09-08 1985-04-02 オンキヨー株式会社 プラグジヤック装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51109071A (en) * 1975-03-20 1976-09-27 Sumitomo Electric Industries Hatsuhotaino oshidashihoho

Also Published As

Publication number Publication date
JPS546594B2 (2) 1979-03-29

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