FR2914216A1 - Piece en materiau plastique allege et procede de fabrication d'une telle piece - Google Patents
Piece en materiau plastique allege et procede de fabrication d'une telle piece Download PDFInfo
- Publication number
- FR2914216A1 FR2914216A1 FR0754096A FR0754096A FR2914216A1 FR 2914216 A1 FR2914216 A1 FR 2914216A1 FR 0754096 A FR0754096 A FR 0754096A FR 0754096 A FR0754096 A FR 0754096A FR 2914216 A1 FR2914216 A1 FR 2914216A1
- Authority
- FR
- France
- Prior art keywords
- cavity
- volume
- piece
- average density
- density
- 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
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
- B29C44/0407—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 temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
-
- 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
-
- 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
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
- B29C44/586—Moulds with a cavity increasing in size during foaming
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0754096A FR2914216B1 (fr) | 2007-03-28 | 2007-03-28 | Piece en materiau plastique allege et procede de fabrication d'une telle piece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0754096A FR2914216B1 (fr) | 2007-03-28 | 2007-03-28 | Piece en materiau plastique allege et procede de fabrication d'une telle piece |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2914216A1 true FR2914216A1 (fr) | 2008-10-03 |
FR2914216B1 FR2914216B1 (fr) | 2011-02-11 |
Family
ID=38658306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0754096A Expired - Fee Related FR2914216B1 (fr) | 2007-03-28 | 2007-03-28 | Piece en materiau plastique allege et procede de fabrication d'une telle piece |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2914216B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9018280B2 (en) | 2005-05-13 | 2015-04-28 | Continental Structural Plastics, Inc. | Low-density molding compound |
US9868829B2 (en) | 2014-06-27 | 2018-01-16 | Continental Structure Plastics, Inc. | Low-density molding compound containing surface derivatized microspheres |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0664196A1 (fr) * | 1993-06-23 | 1995-07-26 | Siebolt Hettinga | Procédé et dispositif de moulage d'articles en plastique de densités différentes |
EP1075933A2 (fr) * | 1999-08-09 | 2001-02-14 | Jsp Corporation | Objet multicouche moulé par expansion à base de résine de polypropylène, son procédé de fabrication et récipient et matériau amortissant les chocs pour élément d'automobile formés à partir dudit objet multicouche |
US20020027040A1 (en) * | 1999-03-04 | 2002-03-07 | Pioneer Corporation | Molded foam resin, process for forming the same and speaker diaphragm consisting of the same |
US20040013846A1 (en) * | 2000-07-12 | 2004-01-22 | Chisso Corporation | Polypropylene resin foam-molded article |
EP1621312A2 (fr) * | 2000-06-22 | 2006-02-01 | Mitsui Chemicals, Inc. | Produit thermoplastique de mousse de résine |
-
2007
- 2007-03-28 FR FR0754096A patent/FR2914216B1/fr not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0664196A1 (fr) * | 1993-06-23 | 1995-07-26 | Siebolt Hettinga | Procédé et dispositif de moulage d'articles en plastique de densités différentes |
US20020027040A1 (en) * | 1999-03-04 | 2002-03-07 | Pioneer Corporation | Molded foam resin, process for forming the same and speaker diaphragm consisting of the same |
EP1075933A2 (fr) * | 1999-08-09 | 2001-02-14 | Jsp Corporation | Objet multicouche moulé par expansion à base de résine de polypropylène, son procédé de fabrication et récipient et matériau amortissant les chocs pour élément d'automobile formés à partir dudit objet multicouche |
EP1621312A2 (fr) * | 2000-06-22 | 2006-02-01 | Mitsui Chemicals, Inc. | Produit thermoplastique de mousse de résine |
US20040013846A1 (en) * | 2000-07-12 | 2004-01-22 | Chisso Corporation | Polypropylene resin foam-molded article |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9018280B2 (en) | 2005-05-13 | 2015-04-28 | Continental Structural Plastics, Inc. | Low-density molding compound |
US9663608B2 (en) | 2005-05-13 | 2017-05-30 | Continental Structural Plastics, Inc. | Low-density molding compound |
US9868829B2 (en) | 2014-06-27 | 2018-01-16 | Continental Structure Plastics, Inc. | Low-density molding compound containing surface derivatized microspheres |
Also Published As
Publication number | Publication date |
---|---|
FR2914216B1 (fr) | 2011-02-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 10 |
|
PLFP | Fee payment |
Year of fee payment: 11 |
|
CA | Change of address |
Effective date: 20170505 |
|
CD | Change of name or company name |
Owner name: PLASTIC OMNIUM AUTO EXTERIEUR SERVICES, FR Effective date: 20170505 |
|
TP | Transmission of property |
Owner name: PLASTIC OMNIUM AUTO EXTERIEUR SERVICES, FR Effective date: 20170511 |
|
CL | Concession to grant licences |
Name of requester: , FR Effective date: 20170811 |
|
PLFP | Fee payment |
Year of fee payment: 12 |
|
PLFP | Fee payment |
Year of fee payment: 13 |
|
ST | Notification of lapse |
Effective date: 20201110 |