CH616106A5 - Process and device for producing plastic mouldings with a smooth, compact surface and a cellular-porous core by injection moulding - Google Patents
Process and device for producing plastic mouldings with a smooth, compact surface and a cellular-porous core by injection moulding Download PDFInfo
- Publication number
- CH616106A5 CH616106A5 CH1179476A CH1179476A CH616106A5 CH 616106 A5 CH616106 A5 CH 616106A5 CH 1179476 A CH1179476 A CH 1179476A CH 1179476 A CH1179476 A CH 1179476A CH 616106 A5 CH616106 A5 CH 616106A5
- Authority
- CH
- Switzerland
- Prior art keywords
- mold
- gas
- melt
- mold cavity
- injection
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 19
- 238000001746 injection moulding Methods 0.000 title claims description 9
- 238000010137 moulding (plastic) Methods 0.000 title 1
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- 239000000155 melt Substances 0.000 claims description 28
- 238000005429 filling process Methods 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 15
- 238000013022 venting Methods 0.000 claims description 8
- 230000035699 permeability Effects 0.000 claims description 5
- 239000004604 Blowing Agent Substances 0.000 claims description 4
- 238000005187 foaming Methods 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 230000000750 progressive effect Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 description 6
- 239000004616 structural foam Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000110717 Sclerolaena bicornis Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002250 progressing effect 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
- 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
- B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/0415—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the pressure of the material during or after filling of the mould, e.g. by local venting
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1179476A CH616106A5 (en) | 1976-09-17 | 1976-09-17 | Process and device for producing plastic mouldings with a smooth, compact surface and a cellular-porous core by injection moulding |
| DE19772737148 DE2737148B2 (de) | 1976-09-17 | 1977-08-17 | Verfahren und Vorrichtung zur Herstellung von Formteilen mit glatter kompakter Oberfläche und zellig-porösem Kern durch Spritzgießen |
| GB3858077A GB1566946A (en) | 1976-09-17 | 1977-09-15 | Method and apparatus for injection moulding of eypanded plastics articles |
| FR7728022A FR2364757A1 (fr) | 1976-09-17 | 1977-09-16 | Procede et dispositif de production de pieces de forme a surface compacte unie et a coeur cellulaire poreux par moulage par injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1179476A CH616106A5 (en) | 1976-09-17 | 1976-09-17 | Process and device for producing plastic mouldings with a smooth, compact surface and a cellular-porous core by injection moulding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH616106A5 true CH616106A5 (en) | 1980-03-14 |
Family
ID=4376929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1179476A CH616106A5 (en) | 1976-09-17 | 1976-09-17 | Process and device for producing plastic mouldings with a smooth, compact surface and a cellular-porous core by injection moulding |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH616106A5 (cs) |
| DE (1) | DE2737148B2 (cs) |
| FR (1) | FR2364757A1 (cs) |
| GB (1) | GB1566946A (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999056931A1 (en) * | 1998-04-30 | 1999-11-11 | Daisen Industry Co., Ltd. | Device and method for synthetic resin internal die foam molding and internal die foam molded product obtained by these device and method |
| DE10128458A1 (de) * | 2001-06-12 | 2003-02-13 | Battenfeld Gmbh | Verfahren zur Herstellung eines geschäumten Kunststoffformteils |
| DE10258546B4 (de) * | 2002-12-14 | 2005-03-10 | Stankiewicz Gmbh | Verfahren und Vorrichtung zur Herstellung geschäumter Polyurethan-Formkörper |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3268635A (en) * | 1963-02-25 | 1966-08-23 | Robert A Kraus | Arrangement for forming foam plastic article |
| DE6933867U (de) * | 1969-08-28 | 1970-06-11 | Huels Chemische Werke Ag | Spritzgiessform fuer treibmittelhaltige thermoplaste |
| DE2235994A1 (de) * | 1971-10-23 | 1973-05-03 | Ts Lab Stex | Verfahren und vorrichtung zum spritzgiessen von polymeren |
| DE2335310C3 (de) * | 1973-07-11 | 1978-03-16 | Asahi Dow Ltd. | Verfahren zur Herstellung von Strukturschaumstoffen mit ungeschäumter Außenhaut und glatter und glänzender Oberfläche aus thermoplastischen Kunststoffen |
-
1976
- 1976-09-17 CH CH1179476A patent/CH616106A5/de not_active IP Right Cessation
-
1977
- 1977-08-17 DE DE19772737148 patent/DE2737148B2/de not_active Withdrawn
- 1977-09-15 GB GB3858077A patent/GB1566946A/en not_active Expired
- 1977-09-16 FR FR7728022A patent/FR2364757A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2737148B2 (de) | 1980-03-27 |
| DE2737148A1 (de) | 1978-03-23 |
| FR2364757A1 (fr) | 1978-04-14 |
| GB1566946A (en) | 1980-05-08 |
| FR2364757B1 (cs) | 1980-05-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0393315B1 (de) | Verfahren zum Spritzgiessen fluidgefüllter Kunststoffkörper und Vorrichtung zur Durchführung des Verfahrens | |
| DE3850543T2 (de) | Verfahren, System und darin angewendete Vorrichtung zum Spritzgiessen und dadurch hergestellter Kunststoffgegenstand. | |
| DE3991547C2 (de) | Verfahren und Vorrichtung zum Spritzgießen eines hohlen, geformten Gegenstandes | |
| DE3872132T2 (de) | Verfahren und vorrichtung zum spritzgiessen. | |
| EP0363948B1 (de) | Düse für Spritzgiessmaschinen | |
| DE2445786C3 (de) | Vorrichtung zur Herstellung von großen oder komplexen Spritzgußteilen | |
| DE2806668C2 (de) | Verfahren zum Entlüften eines geschlossenen Formhohlraums einer Kunststoff-Spritzgießform und Kunststoff-Spritzgießform hierfür | |
| DE3603108A1 (de) | Vorrichtung zum herstellen von formlingen aus aufgeschaeumtem kunststoff | |
| DE2007238B2 (de) | Einspritzeinheit einer kunststoff-spritzgiessmaschine mit einer ventilvorrichtung | |
| DE19518963C2 (de) | Verfahren und Vorrichtung zum Spritzgießen hohlgeblasener Kunststoffkörper | |
| DE19728607A1 (de) | Formvorrichtung mit Mehrfachentgasung | |
| DE19728607A9 (de) | Formvorrichtung mit mehrfachentgasung | |
| DE69215361T2 (de) | Blasformverfahren, unter druck stehende flüssigkeitseinspritzvorrichtung und auswurfvorrichtung | |
| DE19613134C2 (de) | Verfahren und Vorrichtung zum Herstellen von Kunststoffgegenständen | |
| DE19811466A1 (de) | Spritzgießwerkzeug | |
| CH616106A5 (en) | Process and device for producing plastic mouldings with a smooth, compact surface and a cellular-porous core by injection moulding | |
| DE10355300A1 (de) | Verfahren zum Spritzgießen von Kunststoffmaterialien unter Verwendung von Gashaltedruck in der Form | |
| DE3239838C2 (de) | Schließ- und Ansaugvorrichtung für in einem Angußkanal einer Spritzgießform verbleibende Schmelze | |
| DE102019116531B3 (de) | Vorrichtung zur Herstellung von Kernen aus Formstoff | |
| DE3308184C2 (cs) | ||
| CH645297A5 (de) | Spritzgussmaschine und verfahren zu ihrem betrieb. | |
| DE4319078C2 (de) | Verfahren und Formherstellungsmaschine zur Herstellung von Gußformen oder Gußformteilen aus Formsand | |
| DE4134637A1 (de) | Verfahren und vorrichtung fuer die begasung einer in eine hohlkammer eines werkzeugs eingefuellten kunststoffschmelze | |
| DE102017106038B4 (de) | Düseneinheit für eine Reaktionsgießmaschine sowie Verfahren zum Herstellen eines Kunststoffteiles | |
| DE19722612C1 (de) | Vorrichtung zum Spritzgießen eines Werkstückes aus mindestens zwei unterschiedlichen Materialkomponenten |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |