JPH0544891B2 - - Google Patents
Info
- Publication number
- JPH0544891B2 JPH0544891B2 JP21070989A JP21070989A JPH0544891B2 JP H0544891 B2 JPH0544891 B2 JP H0544891B2 JP 21070989 A JP21070989 A JP 21070989A JP 21070989 A JP21070989 A JP 21070989A JP H0544891 B2 JPH0544891 B2 JP H0544891B2
- Authority
- JP
- Japan
- Prior art keywords
- tip
- torpedo
- hole
- seal
- large diameter
- 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 - Fee Related
Links
- 238000002347 injection Methods 0.000 claims description 62
- 239000007924 injection Substances 0.000 claims description 62
- 238000000465 moulding Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 description 32
- 239000010410 layer Substances 0.000 description 19
- 239000012792 core layer Substances 0.000 description 13
- 238000007789 sealing Methods 0.000 description 10
- 230000007423 decrease Effects 0.000 description 5
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012768 molten material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
- B29C45/1603—Multi-way nozzles specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21070989A JPH0375114A (ja) | 1989-08-17 | 1989-08-17 | サンドウイッチ成形用射出ヘッドのシャットオフ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21070989A JPH0375114A (ja) | 1989-08-17 | 1989-08-17 | サンドウイッチ成形用射出ヘッドのシャットオフ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0375114A JPH0375114A (ja) | 1991-03-29 |
| JPH0544891B2 true JPH0544891B2 (en, 2012) | 1993-07-07 |
Family
ID=16593804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21070989A Granted JPH0375114A (ja) | 1989-08-17 | 1989-08-17 | サンドウイッチ成形用射出ヘッドのシャットオフ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0375114A (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03272821A (ja) * | 1990-02-05 | 1991-12-04 | Japan Steel Works Ltd:The | 射出ヘッド |
-
1989
- 1989-08-17 JP JP21070989A patent/JPH0375114A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0375114A (ja) | 1991-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |