JPS57187725U - - Google Patents

Info

Publication number
JPS57187725U
JPS57187725U JP1981075224U JP7522481U JPS57187725U JP S57187725 U JPS57187725 U JP S57187725U JP 1981075224 U JP1981075224 U JP 1981075224U JP 7522481 U JP7522481 U JP 7522481U JP S57187725 U JPS57187725 U JP S57187725U
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
JP1981075224U
Other languages
Japanese (ja)
Other versions
JPS6114412Y2 (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 JP1981075224U priority Critical patent/JPS6114412Y2/ja
Publication of JPS57187725U publication Critical patent/JPS57187725U/ja
Application granted granted Critical
Publication of JPS6114412Y2 publication Critical patent/JPS6114412Y2/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
    • B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
    • 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
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
JP1981075224U 1981-05-26 1981-05-26 Expired JPS6114412Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981075224U JPS6114412Y2 (en) 1981-05-26 1981-05-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981075224U JPS6114412Y2 (en) 1981-05-26 1981-05-26

Publications (2)

Publication Number Publication Date
JPS57187725U true JPS57187725U (en) 1982-11-29
JPS6114412Y2 JPS6114412Y2 (en) 1986-05-06

Family

ID=29870970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981075224U Expired JPS6114412Y2 (en) 1981-05-26 1981-05-26

Country Status (1)

Country Link
JP (1) JPS6114412Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018167518A (en) * 2017-03-30 2018-11-01 住友重機械工業株式会社 Screw for molding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018167518A (en) * 2017-03-30 2018-11-01 住友重機械工業株式会社 Screw for molding machine

Also Published As

Publication number Publication date
JPS6114412Y2 (en) 1986-05-06

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