JPS48100479A - - Google Patents

Info

Publication number
JPS48100479A
JPS48100479A JP47032794A JP3279472A JPS48100479A JP S48100479 A JPS48100479 A JP S48100479A JP 47032794 A JP47032794 A JP 47032794A JP 3279472 A JP3279472 A JP 3279472A JP S48100479 A JPS48100479 A JP S48100479A
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
JP47032794A
Other languages
Japanese (ja)
Other versions
JPS5131824B2 (en
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 JP47032794A priority Critical patent/JPS5131824B2/ja
Publication of JPS48100479A publication Critical patent/JPS48100479A/ja
Publication of JPS5131824B2 publication Critical patent/JPS5131824B2/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
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-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
    • B29C48/25—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
    • 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
JP47032794A 1972-04-01 1972-04-01 Expired JPS5131824B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP47032794A JPS5131824B2 (en) 1972-04-01 1972-04-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47032794A JPS5131824B2 (en) 1972-04-01 1972-04-01

Publications (2)

Publication Number Publication Date
JPS48100479A true JPS48100479A (en) 1973-12-18
JPS5131824B2 JPS5131824B2 (en) 1976-09-09

Family

ID=12368744

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47032794A Expired JPS5131824B2 (en) 1972-04-01 1972-04-01

Country Status (1)

Country Link
JP (1) JPS5131824B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50126066A (en) * 1974-03-23 1975-10-03
JPS5339360A (en) * 1976-09-22 1978-04-11 Furukawa Electric Co Ltd Method of producing bridged polyolefin mold
JPS6337915A (en) * 1986-07-31 1988-02-18 Sekisui Plastics Co Ltd Manufacture of thermoplastic resin foam
US9011131B2 (en) 2010-03-11 2015-04-21 Rms Equipment Llc Lug type extruder screw
WO2018163998A1 (en) * 2017-03-10 2018-09-13 マクセル株式会社 Manufacturing method and manufacturing device for foam molded article

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50126066A (en) * 1974-03-23 1975-10-03
JPS567863B2 (en) * 1974-03-23 1981-02-20
JPS5339360A (en) * 1976-09-22 1978-04-11 Furukawa Electric Co Ltd Method of producing bridged polyolefin mold
JPS6337915A (en) * 1986-07-31 1988-02-18 Sekisui Plastics Co Ltd Manufacture of thermoplastic resin foam
JPH0542941B2 (en) * 1986-07-31 1993-06-30 Sekisui Plastics
US9011131B2 (en) 2010-03-11 2015-04-21 Rms Equipment Llc Lug type extruder screw
WO2018163998A1 (en) * 2017-03-10 2018-09-13 マクセル株式会社 Manufacturing method and manufacturing device for foam molded article
JP2018149688A (en) * 2017-03-10 2018-09-27 マクセル株式会社 Method and apparatus for producing foam molding
US11478969B2 (en) 2017-03-10 2022-10-25 Maxell, Ltd. Manufacturing method and manufacturing device for foam molded article
US11820063B2 (en) 2017-03-10 2023-11-21 Maxell, Ltd. Manufacturing method and manufacturing device for foam molded article

Also Published As

Publication number Publication date
JPS5131824B2 (en) 1976-09-09

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