JPH059257B2 - - Google Patents
Info
- Publication number
- JPH059257B2 JPH059257B2 JP1174379A JP17437989A JPH059257B2 JP H059257 B2 JPH059257 B2 JP H059257B2 JP 1174379 A JP1174379 A JP 1174379A JP 17437989 A JP17437989 A JP 17437989A JP H059257 B2 JPH059257 B2 JP H059257B2
- Authority
- JP
- Japan
- Prior art keywords
- vent
- vent hole
- molding machine
- heating cylinder
- type molding
- 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 - Lifetime
Links
- 239000011347 resin Substances 0.000 claims description 50
- 229920005989 resin Polymers 0.000 claims description 50
- 238000010438 heat treatment Methods 0.000 claims description 37
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000000465 moulding Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000013022 venting Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 27
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/63—Venting or degassing means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1174379A JPH0338317A (ja) | 1989-07-05 | 1989-07-05 | ベント式成形機のベント装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1174379A JPH0338317A (ja) | 1989-07-05 | 1989-07-05 | ベント式成形機のベント装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0338317A JPH0338317A (ja) | 1991-02-19 |
| JPH059257B2 true JPH059257B2 (env) | 1993-02-04 |
Family
ID=15977587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1174379A Granted JPH0338317A (ja) | 1989-07-05 | 1989-07-05 | ベント式成形機のベント装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0338317A (env) |
-
1989
- 1989-07-05 JP JP1174379A patent/JPH0338317A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0338317A (ja) | 1991-02-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100204 Year of fee payment: 17 |
|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100204 Year of fee payment: 17 |