JPH0213886B2 - - Google Patents

Info

Publication number
JPH0213886B2
JPH0213886B2 JP4883583A JP4883583A JPH0213886B2 JP H0213886 B2 JPH0213886 B2 JP H0213886B2 JP 4883583 A JP4883583 A JP 4883583A JP 4883583 A JP4883583 A JP 4883583A JP H0213886 B2 JPH0213886 B2 JP H0213886B2
Authority
JP
Japan
Prior art keywords
mold
sink
product
control member
sink marks
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
JP4883583A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59176026A (ja
Inventor
Yoshitaka Ishiguro
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.)
Nihon Plast Co Ltd
Original Assignee
Nihon Plast 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 Nihon Plast Co Ltd filed Critical Nihon Plast Co Ltd
Priority to JP4883583A priority Critical patent/JPS59176026A/ja
Publication of JPS59176026A publication Critical patent/JPS59176026A/ja
Publication of JPH0213886B2 publication Critical patent/JPH0213886B2/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP4883583A 1983-03-25 1983-03-25 合成樹脂成形品の製造方法 Granted JPS59176026A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4883583A JPS59176026A (ja) 1983-03-25 1983-03-25 合成樹脂成形品の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4883583A JPS59176026A (ja) 1983-03-25 1983-03-25 合成樹脂成形品の製造方法

Publications (2)

Publication Number Publication Date
JPS59176026A JPS59176026A (ja) 1984-10-05
JPH0213886B2 true JPH0213886B2 (ar) 1990-04-05

Family

ID=12814294

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4883583A Granted JPS59176026A (ja) 1983-03-25 1983-03-25 合成樹脂成形品の製造方法

Country Status (1)

Country Link
JP (1) JPS59176026A (ar)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0767716B2 (ja) * 1991-01-14 1995-07-26 新日鐵化学株式会社 熱可塑性樹脂成形品の射出成形法及び射出成形用金型
JP2002103395A (ja) * 2000-10-03 2002-04-09 Meiwa Ind Co Ltd 合成樹脂の射出成形方法及びその成形品

Also Published As

Publication number Publication date
JPS59176026A (ja) 1984-10-05

Similar Documents

Publication Publication Date Title
JPH0213886B2 (ar)
EP0428684A4 (en) Injection-molding dimension-control and clamp-reduction
JPH012760A (ja) 消失中子
JPS59162217U (ja) 射出成形金型
US3404724A (en) Method of casting in a shell molding
JPS6357210B2 (ar)
JPS6320619B2 (ar)
US4043378A (en) Method for forming casting molds
JPH03182313A (ja) 成形金型の製造方法
JPS6321383Y2 (ar)
JPS5577959A (en) Foamed resin pattern for casting
JPH04299113A (ja) 樹脂歯車成形金型および成形歯車
JPH05131483A (ja) 中空成形体
JPH0233953Y2 (ar)
JPH0532273Y2 (ar)
JPS62263844A (ja) 鋳造用模型の成形方法
JPH025936Y2 (ar)
JPS5753339A (en) Manufacture of tire mold
JPS61245943A (ja) 金型の製造方法
JP2501923B2 (ja) 発泡ポリスチレン模型を用いたフルモ―ルド成形法により成形される金型の製造方法
JPS6343055Y2 (ar)
JPH09220733A (ja) 樹脂成形品及びその製法
US882720A (en) Method of producing chilled castings.
JPS6334779Y2 (ar)
JPH09234741A (ja) 樹脂成形品及びその製法