JPS6410174B2 - - Google Patents

Info

Publication number
JPS6410174B2
JPS6410174B2 JP58063008A JP6300883A JPS6410174B2 JP S6410174 B2 JPS6410174 B2 JP S6410174B2 JP 58063008 A JP58063008 A JP 58063008A JP 6300883 A JP6300883 A JP 6300883A JP S6410174 B2 JPS6410174 B2 JP S6410174B2
Authority
JP
Japan
Prior art keywords
flight
screw
resin
solid bed
melting
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
Application number
JP58063008A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59188418A (ja
Inventor
Seizo Takayama
Kyoshi Hashimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ube Corp
Original Assignee
Ube Industries Ltd
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 by Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP58063008A priority Critical patent/JPS59188418A/ja
Publication of JPS59188418A publication Critical patent/JPS59188418A/ja
Publication of JPS6410174B2 publication Critical patent/JPS6410174B2/ja
Granted 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
    • B29C48/53—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
    • B29C48/56—Screws having grooves or cavities other than the thread or the channel
    • 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
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/605—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous
    • 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
    • B29C48/64—Screws with two or more threads
    • B29C48/66—Barrier threads, i.e. comprising primary and secondary threads whereby the secondary thread provides clearance to the barrel for material movement
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP58063008A 1983-04-12 1983-04-12 樹脂成形用スクリユ Granted JPS59188418A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58063008A JPS59188418A (ja) 1983-04-12 1983-04-12 樹脂成形用スクリユ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58063008A JPS59188418A (ja) 1983-04-12 1983-04-12 樹脂成形用スクリユ

Publications (2)

Publication Number Publication Date
JPS59188418A JPS59188418A (ja) 1984-10-25
JPS6410174B2 true JPS6410174B2 (en]) 1989-02-21

Family

ID=13216855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58063008A Granted JPS59188418A (ja) 1983-04-12 1983-04-12 樹脂成形用スクリユ

Country Status (1)

Country Link
JP (1) JPS59188418A (en])

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61227003A (ja) * 1985-04-01 1986-10-09 Toshiba Mach Co Ltd サブフライトを備えたプラスチツク成形用スクリユ
PH23956A (en) * 1985-05-15 1990-01-23 Procter & Gamble Absorbent articles with dual layered cores
US4935022A (en) * 1988-02-11 1990-06-19 The Procter & Gamble Company Thin absorbent articles containing gelling agent
JPH01156005U (en]) * 1988-04-07 1989-10-26
JP2541462B2 (ja) * 1993-07-05 1996-10-09 村田機械株式会社 自動倉庫
JP2578732B2 (ja) * 1993-12-29 1997-02-05 日本ファイリング株式会社 コンテナ格納装置
JP2566530B2 (ja) * 1994-01-21 1996-12-25 日本ファイリング株式会社 コンテナ格納装置
US5599097A (en) * 1995-12-14 1997-02-04 The Black Clawson Company Extruder screw for plastic extruders
JP4739608B2 (ja) * 2001-09-03 2011-08-03 株式会社リブドゥコーポレーション 使い捨て吸収性物品の吸収用積層体および該吸収用積層体を備えた使い捨て吸収性物品
US7014353B2 (en) * 2002-02-25 2006-03-21 New Castle Industries, Inc. Plasticating screw and apparatus
JP4911633B2 (ja) * 2008-03-25 2012-04-04 株式会社名機製作所 可塑化装置及びそれを用いた成形方法

Also Published As

Publication number Publication date
JPS59188418A (ja) 1984-10-25

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