GB1305224A - - Google Patents
Info
- Publication number
- GB1305224A GB1305224A GB1305224DA GB1305224A GB 1305224 A GB1305224 A GB 1305224A GB 1305224D A GB1305224D A GB 1305224DA GB 1305224 A GB1305224 A GB 1305224A
- Authority
- GB
- United Kingdom
- Prior art keywords
- composition
- charge
- mould
- unfoamable
- injection
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
-
- 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
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB579270 | 1970-02-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1305224A true GB1305224A (es) | 1973-01-31 |
Family
ID=9802711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1305224D Expired GB1305224A (es) | 1970-02-06 | 1970-02-06 |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE762436A (es) |
CA (1) | CA964424A (es) |
DE (1) | DE2105198A1 (es) |
FR (1) | FR2079295B1 (es) |
GB (1) | GB1305224A (es) |
NL (1) | NL7101347A (es) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4140672A (en) * | 1977-01-05 | 1979-02-20 | Asahi-Dow Limited | Process for producing moldings |
US4281602A (en) * | 1977-12-12 | 1981-08-04 | Gebruder Thonet Ag | Molded objects such as tables, chairs and the like |
EP0386818A1 (en) * | 1989-03-03 | 1990-09-12 | Recticel | A method of making objects having an elastomeric outer wall and a synthetic foam core |
US5562979A (en) * | 1992-03-05 | 1996-10-08 | Rover Group Limited | Method of forming a moulding by dual injection and a moulding so formed |
EP1697447A1 (en) * | 2003-12-19 | 2006-09-06 | Jang Won Park | Crosslinked foam which has inner-cavity structure, and process of forming thereof |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2579128B3 (fr) * | 1985-03-25 | 1987-07-10 | Cibie Projecteurs | Procede de realisation d'un reflecteur pour projecteur, notamment de vehicule automobile, par injection moulage-bi-matiere; moule pour la mise en oeuvre de ce procede et produit obtenu |
IT1211375B (it) * | 1987-09-30 | 1989-10-18 | Fiat Auto Spa | Carrozzeria dell autoveicolo procedimento per la produzione mediante stampaggio ad iniezione di elementi strutturali di materiale plastico termoindurente particolarmente di parti componenti della |
FR2631883B1 (fr) * | 1988-05-27 | 1990-08-24 | Neiman Sa | Procede et dispositif d'injection d'au moins deux matieres constituant un reflecteur et reflecteur ainsi obtenu |
DE4206450A1 (de) * | 1992-02-27 | 1993-09-23 | Henniges Elastomer Kunststoff | Verfahren und vorrichtung zum taktgesteuerten spritzgiessen von formteilen aus vernetzbaren formmassen |
DE4206447A1 (de) * | 1992-02-27 | 1993-09-02 | Henniges Elastomer Kunststoff | Verfahren und vorrichtung zum spritzgiessen von vernetzbaren formmassen |
AT2516U1 (de) * | 1997-07-30 | 1998-12-28 | Engel Gmbh Maschbau | Verfahren zum spritzgiessen von gegenständen |
FR2811607A1 (fr) * | 2000-07-12 | 2002-01-18 | Menzolit | Procede pour fabriquer des pieces par injection d'au moins deux materiaux polymeriques differents et utilisation de ces pieces |
-
1970
- 1970-02-06 GB GB1305224D patent/GB1305224A/en not_active Expired
-
1971
- 1971-02-02 NL NL7101347A patent/NL7101347A/xx unknown
- 1971-02-02 BE BE762436A patent/BE762436A/xx unknown
- 1971-02-02 CA CA104,312A patent/CA964424A/en not_active Expired
- 1971-02-04 DE DE19712105198 patent/DE2105198A1/de active Pending
- 1971-02-05 FR FR7103867A patent/FR2079295B1/fr not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4140672A (en) * | 1977-01-05 | 1979-02-20 | Asahi-Dow Limited | Process for producing moldings |
US4281602A (en) * | 1977-12-12 | 1981-08-04 | Gebruder Thonet Ag | Molded objects such as tables, chairs and the like |
EP0386818A1 (en) * | 1989-03-03 | 1990-09-12 | Recticel | A method of making objects having an elastomeric outer wall and a synthetic foam core |
US5562979A (en) * | 1992-03-05 | 1996-10-08 | Rover Group Limited | Method of forming a moulding by dual injection and a moulding so formed |
EP1697447A1 (en) * | 2003-12-19 | 2006-09-06 | Jang Won Park | Crosslinked foam which has inner-cavity structure, and process of forming thereof |
EP1697447A4 (en) * | 2003-12-19 | 2010-06-16 | Jang Won Park | RETICULATED FOAM HAVING A HOLLOW INTERIOR STRUCTURE AND METHOD OF MANUFACTURE |
Also Published As
Publication number | Publication date |
---|---|
DE2105198A1 (de) | 1972-02-17 |
FR2079295A1 (es) | 1971-11-12 |
NL7101347A (es) | 1971-08-10 |
FR2079295B1 (es) | 1975-01-17 |
CA964424A (en) | 1975-03-18 |
BE762436A (fr) | 1971-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |