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
Links
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 239000011162 core material Substances 0.000 description 4
- 239000011800 void material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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)
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 (de) | 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 (de) |
Families Citing this family (2)
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 |
-
1983
- 1983-03-25 JP JP4883583A patent/JPS59176026A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59176026A (ja) | 1984-10-05 |
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