FR2221267B1 - - Google Patents
Info
- Publication number
- FR2221267B1 FR2221267B1 FR7309087A FR7309087A FR2221267B1 FR 2221267 B1 FR2221267 B1 FR 2221267B1 FR 7309087 A FR7309087 A FR 7309087A FR 7309087 A FR7309087 A FR 7309087A FR 2221267 B1 FR2221267 B1 FR 2221267B1
- 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
- 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
- B29C45/1645—Injecting skin and core materials from the same injection cylinder, e.g. mono-sandwich 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7309087A FR2221267A1 (en) | 1973-03-14 | 1973-03-14 | Thermoplastic products with skin and core - by separately supplying two compositions to single injection block |
LU69623A LU69623A1 (fr) | 1973-03-14 | 1974-03-12 | |
NL7403291A NL7403291A (fr) | 1973-03-14 | 1974-03-12 | |
BE141929A BE812205A (fr) | 1973-03-14 | 1974-03-12 | Perfectionnement au procede et aux machines de moulage par injection |
DE19742411808 DE2411808A1 (de) | 1973-03-14 | 1974-03-12 | Verfahren und vorrichtung zum spritzgiessen von "sandwich"-artigen produkten |
JP2895774A JPS5046768A (fr) | 1973-03-14 | 1974-03-13 | |
IT4933174A IT1003796B (it) | 1973-03-14 | 1974-03-15 | Perfezionamento al procedimento ed alle macchine di stampaggio per iniezione |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7309087A FR2221267A1 (en) | 1973-03-14 | 1973-03-14 | Thermoplastic products with skin and core - by separately supplying two compositions to single injection block |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2221267A1 FR2221267A1 (en) | 1974-10-11 |
FR2221267B1 true FR2221267B1 (fr) | 1976-05-21 |
Family
ID=9116282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7309087A Granted FR2221267A1 (en) | 1973-03-14 | 1973-03-14 | Thermoplastic products with skin and core - by separately supplying two compositions to single injection block |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5046768A (fr) |
BE (1) | BE812205A (fr) |
DE (1) | DE2411808A1 (fr) |
FR (1) | FR2221267A1 (fr) |
IT (1) | IT1003796B (fr) |
LU (1) | LU69623A1 (fr) |
NL (1) | NL7403291A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2372016A1 (fr) * | 1976-11-29 | 1978-06-23 | Ex Cell O Corp | Procede et dispositif de moulage de mousses par injection |
FR2486864A1 (fr) * | 1980-07-21 | 1982-01-22 | Pont A Mousson | Procede de moulage par injection de pieces revetues en matiere plastique et dispositif destine a sa mise en oeuvre |
NL8601883A (nl) * | 1986-07-21 | 1988-02-16 | Stamicarbon | Werkwijze en inrichting voor het door spuitgieten vervaardigen van een uit een aantal lagen van verschillende materialen bestaand voorwerp. |
FR2622501B1 (fr) * | 1987-10-29 | 1990-01-05 | Cibie Projecteurs | Procede de moulage par injection de matiere thermoplastique, composition a mouler pour realiser un objet a structure multicouche et objet ainsi realise, notamment corps de reflecteur |
DE3932416A1 (de) * | 1989-09-28 | 1991-04-11 | Kloeckner Ferromatik Desma | Verfahren zum spritzgiessen von mehrkomponenten-kunststoffkoerpern und vorrichtung zur durchfuehrung des verfahrens |
CN110171093B (zh) * | 2019-06-20 | 2021-04-16 | 滁州益佳模具设备制造有限公司 | 一种均匀上料混合注射的生产用发泡注塑模具 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1156217A (en) * | 1967-05-03 | 1969-06-25 | Ici Ltd | Process for the Production of Cellular Articles |
-
1973
- 1973-03-14 FR FR7309087A patent/FR2221267A1/fr active Granted
-
1974
- 1974-03-12 BE BE141929A patent/BE812205A/fr unknown
- 1974-03-12 NL NL7403291A patent/NL7403291A/xx unknown
- 1974-03-12 DE DE19742411808 patent/DE2411808A1/de active Pending
- 1974-03-12 LU LU69623A patent/LU69623A1/xx unknown
- 1974-03-13 JP JP2895774A patent/JPS5046768A/ja active Pending
- 1974-03-15 IT IT4933174A patent/IT1003796B/it active
Also Published As
Publication number | Publication date |
---|---|
IT1003796B (it) | 1976-06-10 |
JPS5046768A (fr) | 1975-04-25 |
BE812205A (fr) | 1974-09-12 |
LU69623A1 (fr) | 1974-10-09 |
NL7403291A (fr) | 1974-09-17 |
FR2221267A1 (en) | 1974-10-11 |
DE2411808A1 (de) | 1974-09-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |