JPH0417780B2 - - Google Patents
Info
- Publication number
- JPH0417780B2 JPH0417780B2 JP6216688A JP6216688A JPH0417780B2 JP H0417780 B2 JPH0417780 B2 JP H0417780B2 JP 6216688 A JP6216688 A JP 6216688A JP 6216688 A JP6216688 A JP 6216688A JP H0417780 B2 JPH0417780 B2 JP H0417780B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- gate
- molded product
- dividing surface
- tunnel
- 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
- 239000004033 plastic Substances 0.000 claims description 27
- 229920003023 plastic Polymers 0.000 claims description 27
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 10
- 238000001746 injection moulding Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000002950 deficient Effects 0.000 description 5
- 208000015943 Coeliac disease Diseases 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 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
- B29C45/17—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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6216688A JPH01234220A (ja) | 1988-03-15 | 1988-03-15 | 精密プラスチック製品の射出成形方法および射出成形用金型 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6216688A JPH01234220A (ja) | 1988-03-15 | 1988-03-15 | 精密プラスチック製品の射出成形方法および射出成形用金型 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01234220A JPH01234220A (ja) | 1989-09-19 |
| JPH0417780B2 true JPH0417780B2 (en]) | 1992-03-26 |
Family
ID=13192266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6216688A Granted JPH01234220A (ja) | 1988-03-15 | 1988-03-15 | 精密プラスチック製品の射出成形方法および射出成形用金型 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01234220A (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100661344B1 (ko) * | 2006-04-14 | 2006-12-26 | (주)엠아이텍코리아 | 성형품의 버어 방지를 위한 사출금형의 게이트 구조물 |
| DE102010050564B4 (de) | 2009-11-05 | 2015-08-13 | Aisan Kogyo Kabushiki Kaisha | Verfahren zum Herstellen von Drosselklappen und Drosselkörpern |
-
1988
- 1988-03-15 JP JP6216688A patent/JPH01234220A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01234220A (ja) | 1989-09-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |