JPH02185420A - 射出圧縮成形方法における溶融樹脂逆流防止方法 - Google Patents
射出圧縮成形方法における溶融樹脂逆流防止方法Info
- Publication number
- JPH02185420A JPH02185420A JP484089A JP484089A JPH02185420A JP H02185420 A JPH02185420 A JP H02185420A JP 484089 A JP484089 A JP 484089A JP 484089 A JP484089 A JP 484089A JP H02185420 A JPH02185420 A JP H02185420A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- nozzle
- mold
- tip
- semi
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229920005989 resin Polymers 0.000 title claims abstract description 16
- 239000011347 resin Substances 0.000 title claims abstract description 16
- 238000000748 compression moulding Methods 0.000 title claims description 11
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 17
- 238000004898 kneading Methods 0.000 abstract description 3
- 239000012768 molten material Substances 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
-
- 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
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
- B29C2045/5625—Closing of the feed opening before or during compression
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 |
|---|---|---|---|
| JP484089A JPH02185420A (ja) | 1989-01-13 | 1989-01-13 | 射出圧縮成形方法における溶融樹脂逆流防止方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP484089A JPH02185420A (ja) | 1989-01-13 | 1989-01-13 | 射出圧縮成形方法における溶融樹脂逆流防止方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4330860A Division JPH0735075B2 (ja) | 1992-10-29 | 1992-10-29 | 射出圧縮成形方法におけるスクリュ先端のカジリ防止方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02185420A true JPH02185420A (ja) | 1990-07-19 |
| JPH0525657B2 JPH0525657B2 (en, 2012) | 1993-04-13 |
Family
ID=11594885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP484089A Granted JPH02185420A (ja) | 1989-01-13 | 1989-01-13 | 射出圧縮成形方法における溶融樹脂逆流防止方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02185420A (en, 2012) |
-
1989
- 1989-01-13 JP JP484089A patent/JPH02185420A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0525657B2 (en, 2012) | 1993-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
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| R250 | Receipt of annual fees |
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| FPAY | Renewal fee payment (event date is renewal date of database) |
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|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090413 Year of fee payment: 16 |