JPS59120429A - 発泡型物の成形法 - Google Patents
発泡型物の成形法Info
- Publication number
- JPS59120429A JPS59120429A JP57227539A JP22753982A JPS59120429A JP S59120429 A JPS59120429 A JP S59120429A JP 57227539 A JP57227539 A JP 57227539A JP 22753982 A JP22753982 A JP 22753982A JP S59120429 A JPS59120429 A JP S59120429A
- Authority
- JP
- Japan
- Prior art keywords
- cavity
- injection
- resin
- gas
- pressure
- 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
- 238000000465 moulding Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims description 14
- 239000013518 molded foam Substances 0.000 title 1
- 229920005989 resin Polymers 0.000 claims abstract description 34
- 239000011347 resin Substances 0.000 claims abstract description 34
- 238000002347 injection Methods 0.000 claims abstract description 29
- 239000007924 injection Substances 0.000 claims abstract description 29
- 238000005187 foaming Methods 0.000 claims abstract description 14
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 12
- 239000000057 synthetic resin Substances 0.000 claims abstract description 12
- 239000002344 surface layer Substances 0.000 claims abstract description 9
- 239000006260 foam Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 22
- 239000004604 Blowing Agent Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- 208000032544 Cicatrix Diseases 0.000 description 1
- 239000004727 Noryl Substances 0.000 description 1
- 229920001207 Noryl Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 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
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002666 chemical blowing agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229920005992 thermoplastic resin 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/10—Applying counter-pressure during expanding
- B29C44/105—Applying counter-pressure during expanding the counterpressure being exerted by a fluid
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57227539A JPS59120429A (ja) | 1982-12-28 | 1982-12-28 | 発泡型物の成形法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57227539A JPS59120429A (ja) | 1982-12-28 | 1982-12-28 | 発泡型物の成形法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59120429A true JPS59120429A (ja) | 1984-07-12 |
| JPH0313964B2 JPH0313964B2 (enrdf_load_stackoverflow) | 1991-02-25 |
Family
ID=16862481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57227539A Granted JPS59120429A (ja) | 1982-12-28 | 1982-12-28 | 発泡型物の成形法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59120429A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0705674A1 (en) * | 1994-10-03 | 1996-04-10 | Du Pont De Nemours International S.A. | Molding process |
| US5798063A (en) * | 1994-10-03 | 1998-08-25 | E. I. Du Pont De Nemours And Company | Molding process using gas under pressure |
| JP2001198942A (ja) * | 2000-01-24 | 2001-07-24 | Sumitomo Heavy Ind Ltd | 発泡成形品の成形方法及び射出成形機 |
| JP2011515257A (ja) * | 2008-03-26 | 2011-05-19 | デルタ ツーリング カンパニー | クラス「ａ」の発泡コア物体を製造する方法 |
| JP2015150809A (ja) * | 2014-02-17 | 2015-08-24 | 住友重機械工業株式会社 | 射出装置、および射出成形方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49101493A (enrdf_load_stackoverflow) * | 1972-09-25 | 1974-09-25 | ||
| JPS5168675A (en) * | 1974-12-12 | 1976-06-14 | Asahi Dow Ltd | Hatsuhokatamonono seikeiho |
| JPS5325352A (en) * | 1975-12-31 | 1978-03-09 | Ibm | Method of making schottky barier diode |
| JPS5625374A (en) * | 1979-08-03 | 1981-03-11 | Fujitsu Ltd | Ringing-choke-converter |
-
1982
- 1982-12-28 JP JP57227539A patent/JPS59120429A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49101493A (enrdf_load_stackoverflow) * | 1972-09-25 | 1974-09-25 | ||
| JPS5168675A (en) * | 1974-12-12 | 1976-06-14 | Asahi Dow Ltd | Hatsuhokatamonono seikeiho |
| JPS5325352A (en) * | 1975-12-31 | 1978-03-09 | Ibm | Method of making schottky barier diode |
| JPS5625374A (en) * | 1979-08-03 | 1981-03-11 | Fujitsu Ltd | Ringing-choke-converter |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0705674A1 (en) * | 1994-10-03 | 1996-04-10 | Du Pont De Nemours International S.A. | Molding process |
| WO1996010476A1 (en) * | 1994-10-03 | 1996-04-11 | E.I. Du Pont De Nemours And Company | Molding process |
| US5798063A (en) * | 1994-10-03 | 1998-08-25 | E. I. Du Pont De Nemours And Company | Molding process using gas under pressure |
| JP2001198942A (ja) * | 2000-01-24 | 2001-07-24 | Sumitomo Heavy Ind Ltd | 発泡成形品の成形方法及び射出成形機 |
| JP2011515257A (ja) * | 2008-03-26 | 2011-05-19 | デルタ ツーリング カンパニー | クラス「ａ」の発泡コア物体を製造する方法 |
| JP2015150809A (ja) * | 2014-02-17 | 2015-08-24 | 住友重機械工業株式会社 | 射出装置、および射出成形方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0313964B2 (enrdf_load_stackoverflow) | 1991-02-25 |
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