JPS638891B2 - - Google Patents

Info

Publication number
JPS638891B2
JPS638891B2 JP56201174A JP20117481A JPS638891B2 JP S638891 B2 JPS638891 B2 JP S638891B2 JP 56201174 A JP56201174 A JP 56201174A JP 20117481 A JP20117481 A JP 20117481A JP S638891 B2 JPS638891 B2 JP S638891B2
Authority
JP
Japan
Prior art keywords
resin
plunger
flow
head
annular groove
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
JP56201174A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58102736A (ja
Inventor
Akira Iwawaki
Kinshiro Kojima
Yoshiharu Shidara
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.)
IHI Corp
Original Assignee
Ishikawajima Harima Heavy Industries Co 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 Ishikawajima Harima Heavy Industries Co Ltd filed Critical Ishikawajima Harima Heavy Industries Co Ltd
Priority to JP56201174A priority Critical patent/JPS58102736A/ja
Publication of JPS58102736A publication Critical patent/JPS58102736A/ja
Publication of JPS638891B2 publication Critical patent/JPS638891B2/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
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
JP56201174A 1981-12-14 1981-12-14 吹込成形用ヘツド Granted JPS58102736A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56201174A JPS58102736A (ja) 1981-12-14 1981-12-14 吹込成形用ヘツド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56201174A JPS58102736A (ja) 1981-12-14 1981-12-14 吹込成形用ヘツド

Publications (2)

Publication Number Publication Date
JPS58102736A JPS58102736A (ja) 1983-06-18
JPS638891B2 true JPS638891B2 (enrdf_load_stackoverflow) 1988-02-25

Family

ID=16436582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56201174A Granted JPS58102736A (ja) 1981-12-14 1981-12-14 吹込成形用ヘツド

Country Status (1)

Country Link
JP (1) JPS58102736A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS58102736A (ja) 1983-06-18

Similar Documents

Publication Publication Date Title
US4422838A (en) Extrusion head for use in blow molding machine
US3801254A (en) Apparatus for making tubular parisons of thermoplastic material
US3221371A (en) Extruding dies
US3312766A (en) Extrusion of plastic tubes of varying diameter
US3054143A (en) Plastic forming machine orifice structure
US4609340A (en) Accumulator head with diverter sleeve
JP2530395B2 (ja) 共押出し装置
US3947203A (en) Apparatus for manufacturing plastics blanks
JPS638891B2 (enrdf_load_stackoverflow)
CN209176140U (zh) Pe管材三层共挤螺旋模具
CN208759966U (zh) 一种五腔导管挤出机头
CN208697902U (zh) 一种管道成型模具
JPH02121825A (ja) 熱可塑性合成物質から中空体を製造する方法及びその装置
JPH0732459A (ja) パリソンの肉厚コントロール方法
JP2700785B2 (ja) ダイ内アキュームレータ式ブロー成形機におけるブロー成形用ダイヘッド
JP2720367B2 (ja) ブロー成形機のダイス
JP3048108B2 (ja) ダイスへの樹脂供給装置
JP2792590B2 (ja) ブロー成形用ダイス
JP2514468B2 (ja) ブロ―成形機のダイス
JPH07171879A (ja) 多層ブロー成形用ダイス
JPH074023U (ja) ブロー成形用ダイス
JPH07290559A (ja) 複合材成形用ダイス
JP3056680B2 (ja) プリプラ式射出装置
JPS6056515A (ja) ブロ−成形用ダイ
JP2704717B2 (ja) ダイ内アキュームレータ式ブロー成形機におけるブロー成形方法及びその材料替え方法