JPH0126852B2 - - Google Patents
Info
- Publication number
- JPH0126852B2 JPH0126852B2 JP14359980A JP14359980A JPH0126852B2 JP H0126852 B2 JPH0126852 B2 JP H0126852B2 JP 14359980 A JP14359980 A JP 14359980A JP 14359980 A JP14359980 A JP 14359980A JP H0126852 B2 JPH0126852 B2 JP H0126852B2
- Authority
- JP
- Japan
- Prior art keywords
- molding
- molded product
- primary
- molded
- mold
- 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
- 238000000465 moulding Methods 0.000 claims description 23
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001502 supplementing effect Effects 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
-
- 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C2045/1682—Making multilayered or multicoloured articles preventing defects
-
- 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
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
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 |
---|---|---|---|
JP14359980A JPS5769007A (en) | 1980-10-16 | 1980-10-16 | Double molding method and item molded thereby |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14359980A JPS5769007A (en) | 1980-10-16 | 1980-10-16 | Double molding method and item molded thereby |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5769007A JPS5769007A (en) | 1982-04-27 |
JPH0126852B2 true JPH0126852B2 (zh) | 1989-05-25 |
Family
ID=15342463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14359980A Granted JPS5769007A (en) | 1980-10-16 | 1980-10-16 | Double molding method and item molded thereby |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5769007A (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070194489A1 (en) * | 2006-02-20 | 2007-08-23 | Yoshida Industry Co., Ltd. | Method of manufacturing resin molded product |
FR2939710B1 (fr) * | 2008-12-12 | 2013-07-05 | Moulindustrie | Systeme de moulage et d'emboitement. |
DE102010033902A1 (de) * | 2010-06-30 | 2012-01-05 | Automotive Lighting Reutlingen Gmbh | Verfahren zum Herstellen einer Kunststofflinse einer Kraftfahrzeugbeleuchtungseinrichtung, nach dem Verfahren hergestellte Kunststofflinse und Werkzeug zur Herstellung der Kunststofflinse |
FR2981171B1 (fr) * | 2011-10-06 | 2015-03-20 | Valeo Vision | Piece optique comprenant une ame et une pluralite de couches |
-
1980
- 1980-10-16 JP JP14359980A patent/JPS5769007A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5769007A (en) | 1982-04-27 |
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