DE69939715D1 - Vorrichtung und Verfahren zum Formen von Schaum - Google Patents
Vorrichtung und Verfahren zum Formen von SchaumInfo
- Publication number
- DE69939715D1 DE69939715D1 DE69939715T DE69939715T DE69939715D1 DE 69939715 D1 DE69939715 D1 DE 69939715D1 DE 69939715 T DE69939715 T DE 69939715T DE 69939715 T DE69939715 T DE 69939715T DE 69939715 D1 DE69939715 D1 DE 69939715D1
- Authority
- DE
- Germany
- Prior art keywords
- blowing agent
- barrel
- source
- inlet
- outlet
- 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 - Lifetime
Links
- 239000006260 foam Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000007493 shaping process Methods 0.000 title 1
- 239000004604 Blowing Agent Substances 0.000 abstract 9
- 239000002243 precursor Substances 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 238000011144 upstream manufacturing Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 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
-
- 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
- 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
- B29C44/10—Applying counter-pressure during expanding
-
- 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
- B29C44/3442—Mixing, kneading or conveying the foamable material
- B29C44/3446—Feeding the blowing agent
-
- 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
- B29C44/3469—Cell or pore nucleation
- B29C44/348—Cell or pore nucleation by regulating the temperature and/or the pressure, e.g. suppression of foaming until the pressure is rapidly decreased
-
- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- 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
- B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
-
- 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
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- 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
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/26—Polymers of acrylamide or methacrylamide
-
- 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
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
- B29K2105/046—Condition, form or state of moulded material or of the material to be shaped cellular or porous with closed cells
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18598798A | 1998-11-04 | 1998-11-04 | |
US09/335,946 US6884823B1 (en) | 1997-01-16 | 1999-06-18 | Injection molding of polymeric material |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69939715D1 true DE69939715D1 (de) | 2008-11-20 |
Family
ID=39832214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69939715T Expired - Lifetime DE69939715D1 (de) | 1998-11-04 | 1999-11-04 | Vorrichtung und Verfahren zum Formen von Schaum |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1512509B1 (de) |
JP (1) | JP4726298B2 (de) |
KR (1) | KR100572943B1 (de) |
AT (1) | ATE410285T1 (de) |
DE (1) | DE69939715D1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100823748B1 (ko) * | 2000-09-29 | 2008-04-21 | 트레셀 인코포레이티드 | 섬유 충전 성형품 |
KR100692018B1 (ko) * | 2004-12-10 | 2007-03-09 | 엘지전자 주식회사 | 플라즈마 디스플레이 패널 모듈용 포장물 및 이의 제조방법 |
EP2246172A3 (de) * | 2009-03-16 | 2014-06-18 | Lucobit AG | Verfahren zur Herstellung von Leichtbauteilen aus geschäumtem Kunststoff |
US8696957B2 (en) * | 2010-09-10 | 2014-04-15 | Eveready Battery Company, Inc | Methods for microcellular injection molding |
AT516946B1 (de) | 2015-07-03 | 2016-10-15 | Sonderhoff Eng Gmbh | Mischvorrichtung |
WO2020060982A1 (en) * | 2018-09-17 | 2020-03-26 | Trexel, Inc. | Polymeric foam processing systems and methods |
US11712826B2 (en) * | 2019-07-09 | 2023-08-01 | Otrajet Inc. | Injection molding system and injection molding method |
US11267175B2 (en) | 2019-10-15 | 2022-03-08 | King Steel Machinery Co., Ltd. | Injection molding system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4211523A (en) * | 1978-11-29 | 1980-07-08 | Hoover Universal, Inc. | Gas-flow control apparatus for equipment for producing foamed plastic |
DE3020122C2 (de) * | 1980-05-27 | 1984-04-26 | Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen | Schaltungsanordung zum Zudosieren von gasförmigen oder flüssigen Stoffen, insbesondere physikalischen Treibmitteln, in eine fließfähige Schmelze aus thermoplastischem Kunststoff |
US5082608A (en) * | 1990-06-14 | 1992-01-21 | Owens-Illinois Plastic Products Inc. | Polystyrene foam sheet manufacture |
US5098267A (en) * | 1990-06-22 | 1992-03-24 | Union Carbide Industrial Gases Technology Corporation | Apparatus and method for producing and molding structural foam |
JPH05329869A (ja) * | 1992-06-03 | 1993-12-14 | Japan Steel Works Ltd:The | 内部に多数の空間部を有する成形品の成形方法および成形装置 |
EP1000723B1 (de) * | 1995-12-01 | 2003-09-24 | Sunstar Engineering Inc. | Vorrichtung zum Schäumen eines viskosen Materials |
JP4144916B2 (ja) * | 1996-04-04 | 2008-09-03 | 三井化学株式会社 | 熱可塑性樹脂発泡射出成形体およびその製造方法 |
JPH1024436A (ja) * | 1996-07-10 | 1998-01-27 | Mitsui Petrochem Ind Ltd | 熱可塑性樹脂発泡体およびその製造方法 |
CA2264159A1 (en) * | 1996-08-27 | 1998-03-05 | Roland Y. Kim | Method and apparatus for microcellular polymer extrusion |
-
1999
- 1999-11-04 DE DE69939715T patent/DE69939715D1/de not_active Expired - Lifetime
- 1999-11-04 AT AT04029297T patent/ATE410285T1/de active
- 1999-11-04 EP EP04029297A patent/EP1512509B1/de not_active Expired - Lifetime
- 1999-11-04 KR KR1020017005551A patent/KR100572943B1/ko active IP Right Grant
- 1999-11-04 JP JP2000579423A patent/JP4726298B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR20010103638A (ko) | 2001-11-23 |
EP1512509B1 (de) | 2008-10-08 |
ATE410285T1 (de) | 2008-10-15 |
JP4726298B2 (ja) | 2011-07-20 |
KR100572943B1 (ko) | 2006-04-24 |
EP1512509A2 (de) | 2005-03-09 |
EP1512509A3 (de) | 2005-03-16 |
JP2002528306A (ja) | 2002-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |