JPH0353797B2 - - Google Patents
Info
- Publication number
- JPH0353797B2 JPH0353797B2 JP7131188A JP7131188A JPH0353797B2 JP H0353797 B2 JPH0353797 B2 JP H0353797B2 JP 7131188 A JP7131188 A JP 7131188A JP 7131188 A JP7131188 A JP 7131188A JP H0353797 B2 JPH0353797 B2 JP H0353797B2
- Authority
- JP
- Japan
- Prior art keywords
- cavity
- tunnel gate
- cabinet
- mold
- front frame
- 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
- 238000001746 injection moulding Methods 0.000 claims description 12
- 229920003002 synthetic resin Polymers 0.000 claims description 12
- 239000000057 synthetic resin Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000004088 foaming agent Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 5
- 229920005989 resin Polymers 0.000 description 27
- 239000011347 resin Substances 0.000 description 27
- 239000004793 Polystyrene Substances 0.000 description 9
- 229920002223 polystyrene Polymers 0.000 description 9
- 239000012792 core layer Substances 0.000 description 4
- 239000004604 Blowing Agent Substances 0.000 description 3
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000004381 surface treatment 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
- B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
-
- 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)
- Casings For Electric Apparatus (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7131188A JPH01244696A (ja) | 1988-03-25 | 1988-03-25 | 画像表示機用厚肉フロントキャビネットの成形方法および成形用金型 |
US07/873,615 US5294385A (en) | 1988-03-25 | 1992-04-22 | Method of forming thick-walled front cabinet for image display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7131188A JPH01244696A (ja) | 1988-03-25 | 1988-03-25 | 画像表示機用厚肉フロントキャビネットの成形方法および成形用金型 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01244696A JPH01244696A (ja) | 1989-09-29 |
JPH0353797B2 true JPH0353797B2 (enrdf_load_stackoverflow) | 1991-08-16 |
Family
ID=13456942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7131188A Granted JPH01244696A (ja) | 1988-03-25 | 1988-03-25 | 画像表示機用厚肉フロントキャビネットの成形方法および成形用金型 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01244696A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5167896A (en) * | 1991-01-16 | 1992-12-01 | Kyowa Electric & Chemical Co., Ltd. | Method of manufacturing a front cabinet for use with a display |
JP3828225B2 (ja) * | 1997-02-05 | 2006-10-04 | ムネカタ株式会社 | 射出成形用金型 |
-
1988
- 1988-03-25 JP JP7131188A patent/JPH01244696A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH01244696A (ja) | 1989-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |