FR2115487B1 - - Google Patents
Info
- Publication number
- FR2115487B1 FR2115487B1 FR7142848A FR7142848A FR2115487B1 FR 2115487 B1 FR2115487 B1 FR 2115487B1 FR 7142848 A FR7142848 A FR 7142848A FR 7142848 A FR7142848 A FR 7142848A FR 2115487 B1 FR2115487 B1 FR 2115487B1
- Authority
- FR
- France
- 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
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
- B29C44/0492—Devices for feeding the different materials
-
- 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
- B29C44/0461—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 having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
- B29C2045/0032—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks sequential injection from multiple gates, e.g. to avoid weld lines
-
- 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
- B29C2045/1651—Independent injection runners or nozzles
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/10—Thermosetting resins
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5669570 | 1970-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2115487A1 FR2115487A1 (fr) | 1972-07-07 |
FR2115487B1 true FR2115487B1 (fr) | 1974-07-19 |
Family
ID=10477300
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7142848A Expired FR2115487B1 (fr) | 1970-11-30 | 1971-11-30 | |
FR7142849A Expired FR2115488B1 (fr) | 1970-11-30 | 1971-11-30 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7142849A Expired FR2115488B1 (fr) | 1970-11-30 | 1971-11-30 |
Country Status (4)
Country | Link |
---|---|
DE (3) | DE2159344A1 (fr) |
FR (2) | FR2115487B1 (fr) |
GB (1) | GB1339443A (fr) |
IT (2) | IT961052B (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2257408B1 (fr) * | 1973-09-25 | 1978-01-13 | Billion Sa | |
DE2616309C2 (de) * | 1976-04-12 | 1984-08-02 | Helmut Prof. Dr. 4020 Mettmann Käufer | Verfahren zum Herstellen von Verbundwerkstoffen |
DE3405231A1 (de) * | 1983-04-19 | 1984-10-25 | Kork AG Boswil, Boswil | Formkoerper, verfahren und vorrichtung zu seiner herstellung sowie verwendung desselben |
GB8503695D0 (en) * | 1985-02-13 | 1985-03-13 | Bp Chem Int Ltd | Sandwich mouldings |
DE8903322U1 (de) * | 1989-03-17 | 1989-07-20 | Gefinex Gesellschaft für innovative Extrusionsprodukte mbH, 33803 Steinhagen | Schaumstoffplatte |
DE3913109C5 (de) * | 1989-04-21 | 2010-03-18 | Ferromatik Milacron Maschinenbau Gmbh | Verfahren zum Spritzgießen fluidgefüllter Kunststoffkörper und Vorrichtung zur Durchführung des Verfahrens |
DE19518964C2 (de) * | 1995-05-23 | 1998-04-09 | Eldra Kunststofftechnik Gmbh | Verfahren und Vorrichtung zum Spritzgießen hohlgeblasener Kunststoffkörper |
DE19518963C2 (de) * | 1995-05-23 | 1998-04-09 | Eldra Kunststofftechnik Gmbh | Verfahren und Vorrichtung zum Spritzgießen hohlgeblasener Kunststoffkörper |
FR2763014B1 (fr) * | 1997-05-07 | 2000-07-13 | Allibert Ind | Procede et dispositif de moulage par injection bi-matiere selective d'une piece en matieres plastiques, et piece realisee avec ce procede |
US6767487B2 (en) | 2001-07-10 | 2004-07-27 | Cinpres Gas Injection Ltd. | Plastic expulsion process |
DE10233447A1 (de) * | 2002-06-05 | 2004-01-08 | Windsor Kunststofftechnologie Gmbh | Coinjections-Einheit für Spritzgießmaschinen |
US6899843B2 (en) | 2003-03-25 | 2005-05-31 | Lear Corporation | Plastic injection molding with moveable mold members forming speaker grill |
US6890477B2 (en) | 2003-03-25 | 2005-05-10 | Lear Corporation | Plastic injection molded articles with hollow rib members |
DE102005026790B4 (de) * | 2005-06-10 | 2016-06-09 | Bayerische Motoren Werke Aktiengesellschaft | Spritzgussverfahren zur Herstellung eines flächigen Kunststoffteils |
DE102012100422B4 (de) | 2012-01-19 | 2024-01-04 | Auria Solutions Uk I Ltd. | Vorrichtung und Verfahren zur Herstellung eines Spritzgussbauteils, insbesondere eines Schallisolationsbauteils eines Kraftfahrzeuges |
DE202020006061U1 (de) | 2020-04-02 | 2024-08-26 | STG Stanztechnik GmbH & Co. KG | Kanalsystem zum kontinuierlichen Einspritzen einer plastifizierten Formmasse in ein Formgebungswerkzeug sowie Spritzgussvorrichtung |
DE102020109197A1 (de) | 2020-04-02 | 2021-10-07 | STG Stanztechnik GmbH & Co. KG | Kanalsystem zum kontinuierlichen Einspritzen einer plastifizierten Formmasse in ein Formgebungswerkzeug, Spritzgussvorrichtung sowie Verfahren zur Steuerung und Regelung eines kontinuierlichen Einspritzvorgangs einer derartigen Spritzgussvorrichtung |
DE102020005761A1 (de) | 2020-09-21 | 2022-03-24 | Koller Beteiligungs Holding GmbH & Co. KG | Verfahren und Vorrichtung zum Erstellen mindestens eines Polymerkörpers sowie Polymerkörper |
-
1970
- 1970-11-30 GB GB1339443D patent/GB1339443A/en not_active Expired
-
1971
- 1971-11-29 IT IT3179071A patent/IT961052B/it active
- 1971-11-29 IT IT3178971A patent/IT946116B/it active
- 1971-11-30 FR FR7142848A patent/FR2115487B1/fr not_active Expired
- 1971-11-30 FR FR7142849A patent/FR2115488B1/fr not_active Expired
- 1971-11-30 DE DE19712159344 patent/DE2159344A1/de active Pending
- 1971-11-30 DE DE19712159383 patent/DE2159383A1/de active Pending
- 1971-11-30 DE DE19712159345 patent/DE2159345A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
IT946116B (it) | 1973-05-21 |
DE2159345A1 (de) | 1972-05-31 |
IT961052B (it) | 1973-12-10 |
FR2115488A1 (fr) | 1972-07-07 |
FR2115488B1 (fr) | 1974-07-19 |
FR2115487A1 (fr) | 1972-07-07 |
DE2159344A1 (de) | 1972-05-31 |
GB1339443A (en) | 1973-12-05 |
DE2159383A1 (de) | 1972-06-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |