JPH0540996Y2 - - Google Patents

Info

Publication number
JPH0540996Y2
JPH0540996Y2 JP1988095716U JP9571688U JPH0540996Y2 JP H0540996 Y2 JPH0540996 Y2 JP H0540996Y2 JP 1988095716 U JP1988095716 U JP 1988095716U JP 9571688 U JP9571688 U JP 9571688U JP H0540996 Y2 JPH0540996 Y2 JP H0540996Y2
Authority
JP
Japan
Prior art keywords
screw
barrel
raw material
feed
air
Prior art date
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 - Lifetime
Application number
JP1988095716U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0217321U (US08063081-20111122-C00044.png
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 JP1988095716U priority Critical patent/JPH0540996Y2/ja
Publication of JPH0217321U publication Critical patent/JPH0217321U/ja
Application granted granted Critical
Publication of JPH0540996Y2 publication Critical patent/JPH0540996Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
    • 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
    • B29C48/55—Screws having reverse-feeding elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP1988095716U 1988-07-21 1988-07-21 Expired - Lifetime JPH0540996Y2 (US08063081-20111122-C00044.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988095716U JPH0540996Y2 (US08063081-20111122-C00044.png) 1988-07-21 1988-07-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988095716U JPH0540996Y2 (US08063081-20111122-C00044.png) 1988-07-21 1988-07-21

Publications (2)

Publication Number Publication Date
JPH0217321U JPH0217321U (US08063081-20111122-C00044.png) 1990-02-05
JPH0540996Y2 true JPH0540996Y2 (US08063081-20111122-C00044.png) 1993-10-18

Family

ID=31320422

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988095716U Expired - Lifetime JPH0540996Y2 (US08063081-20111122-C00044.png) 1988-07-21 1988-07-21

Country Status (1)

Country Link
JP (1) JPH0540996Y2 (US08063081-20111122-C00044.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5190500B2 (ja) * 2010-09-30 2013-04-24 株式会社日本製鋼所 プラスチックの押出方法及び装置
JP5894517B2 (ja) * 2012-10-31 2016-03-30 株式会社日本製鋼所 プラスチックの押出方法及びプラスチックの押出用シリンダ

Also Published As

Publication number Publication date
JPH0217321U (US08063081-20111122-C00044.png) 1990-02-05

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