JPH0217321U - - Google Patents

Info

Publication number
JPH0217321U
JPH0217321U JP1988095716U JP9571688U JPH0217321U JP H0217321 U JPH0217321 U JP H0217321U JP 1988095716 U JP1988095716 U JP 1988095716U JP 9571688 U JP9571688 U JP 9571688U JP H0217321 U JPH0217321 U JP H0217321U
Authority
JP
Japan
Prior art keywords
barrel
axial direction
screw
cross
polygon
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.)
Granted
Application number
JP1988095716U
Other languages
English (en)
Other versions
JPH0540996Y2 (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 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)

Description

【図面の簡単な説明】
第１図は本考案の代表的な実施例を示す原料フ
イード部の平断面図、第２図は第１図に於けるＡ
―Ａ断面図、第３図は第１図に於けるＢ―Ｂ断面
図、第４図は従来の２軸押出機のバレル部平断面
図である。 図の主要部分の説明、１，２……（内断面が多
角形状の）バレル、３……（内断面が円形の）バ
レル、４……フイードスクリユ、５……ニーデイ
ングスクリユ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 回転噛合形の２軸押出機において、スクリユの
    フイード部に該当する部分のバレル内面形状を軸
    方向に直角な断面で多角形に形成し、その各頂点
    が軸方向にまつすぐ延びるか又は捩れた状態で延
    び、同バレル部とスクリユの頂部の一部に隙間を
    形成することを特徴とする２軸押出機。
JP1988095716U 1988-07-21 1988-07-21 Expired - Lifetime JPH0540996Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988095716U JPH0540996Y2 (ja) 1988-07-21 1988-07-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988095716U JPH0540996Y2 (ja) 1988-07-21 1988-07-21

Publications (2)

Publication Number Publication Date
JPH0217321U true JPH0217321U (ja) 1990-02-05
JPH0540996Y2 JPH0540996Y2 (ja) 1993-10-18

Family

ID=31320422

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988095716U Expired - Lifetime JPH0540996Y2 (ja) 1988-07-21 1988-07-21

Country Status (1)

Country Link
JP (1) JPH0540996Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2436503A1 (en) * 2010-09-30 2012-04-04 The Japan Steel Works, Ltd. Apparatus and method for plastic extrusion
JP2014091213A (ja) * 2012-10-31 2014-05-19 Japan Steel Works Ltd:The 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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2436503A1 (en) * 2010-09-30 2012-04-04 The Japan Steel Works, Ltd. Apparatus and method for plastic extrusion
JP2012076254A (ja) * 2010-09-30 2012-04-19 Japan Steel Works Ltd:The プラスチックの押出方法及び装置
CN102441977A (zh) * 2010-09-30 2012-05-09 株式会社日本制钢所 用于塑料挤出的设备和方法
US8870441B2 (en) 2010-09-30 2014-10-28 The Japan Steel Works, Ltd. Apparatus and method for plastic extrusion
JP2014091213A (ja) * 2012-10-31 2014-05-19 Japan Steel Works Ltd:The 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
JPH0540996Y2 (ja) 1993-10-18

Similar Documents

Publication Publication Date Title
JPH0460589U (ja)
JPH0212821U (ja)
JPH0346016U (ja)
JPH0224924U (ja)
JPH0282514U (ja)
JPH03102840U (ja)
JPS6157263U (ja)
JPS622003U (ja)
JPH0299618U (ja)
JPS61158417U (ja)
JPS6353408U (ja)
JPS62112392U (ja)
JPS6219450U (ja)
JPS626944U (ja)
JPS6440515U (ja)
JPS61160917U (ja)
JPH0248301U (ja)
JPS6282686U (ja)
JPS62116822U (ja)
JPH039357U (ja)
JPS63176606U (ja)
JPS61119614U (ja)
JPH0217320U (ja)
JPS62107925U (ja)
JPS61201487U (ja)