KR900014100A - 탄성의 외측벽과 합성폼코어를 갖는 물건을 만드는 방법 - Google Patents
탄성의 외측벽과 합성폼코어를 갖는 물건을 만드는 방법 Download PDFInfo
- Publication number
- KR900014100A KR900014100A KR1019900002793A KR900002793A KR900014100A KR 900014100 A KR900014100 A KR 900014100A KR 1019900002793 A KR1019900002793 A KR 1019900002793A KR 900002793 A KR900002793 A KR 900002793A KR 900014100 A KR900014100 A KR 900014100A
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- KR
- South Korea
- Prior art keywords
- mold
- layer
- reaction mixture
- mold cavity
- cavity
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Classifications
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/58—Applying the releasing agents
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/08—Coating a former, core or other substrate by spraying or fluidisation, e.g. spraying powder
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- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
- B29C37/0028—In-mould coating, e.g. by introducing the coating material into the mould after forming the article
- B29C37/0032—In-mould coating, e.g. by introducing the coating material into the mould after forming the article the coating being applied upon the mould surface before introducing the moulding compound, e.g. applying a gelcoat
-
- 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
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
-
- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
- B29C37/0028—In-mould coating, e.g. by introducing the coating material into the mould after forming the article
- B29C2037/0035—In-mould coating, e.g. by introducing the coating material into the mould after forming the article the coating being applied as liquid, gel, paste or the like
-
- 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
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/14—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining
-
- 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
- B29K2021/00—Use of unspecified rubbers 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
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 첫 번째 구체적 실시예의 여러 단계들을 나타내는 계통도.
제2도는 본 발명에 따른 방법의 두 번째 구체적 실시예에서의 연속적인 단계들을 나타내는 또 다른 계통도.
제3도는 본 발명에 따른 방법의 특별한 구체적 실시예의 특성을 나타내는, 어느 정도 확대한 계통도.
Claims (12)
- 미세-분자수준 또는 비 분자수준이 탄성체(7)로부터 만들어지는 외벽과 적어도 부분적으로 합성품(9)으로 이루어지는 코어를 갖는 몰드캐비티의물건을 만드는 방법으로, 가) 첫 번째 단계에서, 모드캐비티에 의해 형성된 표면상에 용매없이 또는 제한된 양의 용매와 함께 여러 성분의 반응혼합물을 분무함으로써, 대개 0.3~5㎜의, 주로 1~2㎜의 두께를 갖는 상기의 탄성체층(7)을 형성하도록 사익 탄성체층을 적용하고, 나) 두 번째 단계에서, 탄성체층이 완전히 경화되기전에 합성품(9)을 형성하기 위한 두 번째 반응혼합물을 몰드캐비티의 공간(8)에 형성된 탄성체층(7)내로 분무하고, (다) 세 번째 단계에서, 합성품(9)이 대체로 완전히 강화되고 난 후, 탄성체층(7)이 전체적으로 형성되고 얻어진 물건을 이형시키는 것을 특징으로 하는 방법.
- 제1항에 있어서, 적어도 두 개의 상호 움직일 수 있는 몰드부분품(2) 및 (3)으로 구성되어, 열린 위치와 닫혀진 위치로 이동시킬 수 있으며, 기기에 더해 가) 상기 첫 번째 단계에서, 몰드(4)의 몰드캐비티에 의해 형성되는 표면1)과, 몰드(4)의 닫혀진 위치에서 서로 맞닿게 되는 상기 부분품(2) 및 (3)의 모서리의 면(7)에 적어도, 부분적으로, 탄성체층을 적용시키고, 나) 상기 두 번째 단계에서, 몰드(4)가 닫혀진 상태이고, 탄성체가 완전히 경화되기 전에, 합성품(9)을 얻기 위한 반응혼합물을 몰드캐비티에 따라 형성된 탄성체층(7)이 전체적으로 형성되고 난 후에, 얻어진 물건을 이형시키기 위해 몰드를 열린 위치로 이동시키는 몰드(4)를 사용하는 것을 특징으로 하는 방법.
- 제2항에 있어서, 몰드부분품(2) 및 (3)으로 된 몰드(4)를 사용하여, 면(7′)이 닫혀진 위치에서 대체로 밀봉적으로 접촉하여 표면(1)과 이들 면(7′)상에 탄성체층(7)을 적용시킨 후, 이 몰드를 닫을 때, 이 면(7′)에 있는 액체인 탄성체층(7)이 적어도 부분적으로는 몰드캐비티내로 밀려들어가도록 하고, 반면에 이들 두 몰드부분품(2) 및 (3)의 면(7′)을 서로를 향해 밀어서, 각각의 부분품(2) 및 (3)의 탄성체층이 분리접합점을 따라 이들 면(7′) 근처에서 연결되도록 하고, 이 층은 바깥에서는 대체로 보이지 않고, 내부면에서는 강화용으로 작용하도록 농화(16)가 나타나도록 하는 몰드를 사용하는 것을 특징으로 방법.
- 제3항에 있어서, 몰드(4)가 몰드부분품(2) 및 (3)으로 이루어져, 몰드를 닫을 때, 이들 면(7′)이 면(7′)상에 있는 액체인 탄성체를 면(7′)의 바깥쪽과 마찬가지로 몰드캐비티 내부로 밀려나도록 하는 두께를 갖는 몰드를 사용하는 것을 특징으로 하는 방법.
- 제3항에 있어서, 몰드(4)가 몰드부분품(2) 및 (3)으로 이루어져 있고, 면(7′)이 대체로 완전희 평면이고 적어도 0.5mm 대개 2~10mm 의 두께를 갖는 몰드를 사용하는 것을 특징으로 하는 방법.
- 제2항에서 제5항까지 중의 어느 한 항에 있어서, 상기 첫 번째 단계에서, 모드(4)가 열린 위치에서 있는 순간에, 임의의 한가지색의 탄성체층(7a)을 하나의 몰드부분품(2)의 몰드표면(1)상에 분무하여 적용시키고, 또 다른 색의 탄성체층(7b)을 다른 몰드부분품(3)의 몰드표면(1)상에 분무하여 적용시키고 난 후, 두 번째 단계를 시작하기 전에, 즉시 몰드(4)를 닫아주는 것을 특징으로 하는 방법.
- 제1항에서 제6항까지중의 어느 한 항에 있어서, 두 번째 단계를 시작하기 전에, 삽입물(10)을 몰드캐비티내에 위치시킴을 특징으로 하는 방법.
- 제1항에서 제7항까지중의 어느 한 항에 있어서, 몰드캐비티내에서 폴리우레탄폼을 형성하는데, 대체로 클로로 플루오로하이드로 카본을 제거한, 물로 발포시킨 반응혼합물로, 이 반응혼합물은 방향족 이소시아네트 화합물과 폴리올과 같은 수소활성화합물의 혼합물을 사용함을 특징으로 하는 방법.
- 제1항에서 제8항까지중의 어느 한 항에 있어서, 두 개 또는 그 이상의 반응혼합물을 용매없이, 소위 “무공기” 시스템에 따라 분무함으로써 탄성체층을 형성함을 특징으로 하는 방법.
- 제1항에서 제9항까지중의 어느 한 항에 있어서, 몰드캐비티의 공간상에 탄성체층(7)을 가볍고 안정한 폴리우레탄으로 형성함을 특징으로 하는 방법.
- 제1항에서 제10항까지중의 어느 한 항에 있어서, 몰드표면(1)상에 탄성체층(7)을 형성하고 15~60초의 반응시간후에 합성폼(9)을 몰드캐비티의 공간(8)에 주입함을 특징으로 하는 방법.
- 제1항에서 제11항까지중의 어느 한 항에 있어서, 몰드(4)를 대개 약 60℃이상의 온도로 미리 가열하여 사용함을 특징으로 하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE8900228A BE1002899A6 (nl) | 1989-03-03 | 1989-03-03 | Werkwijze voor het vervaardigen van voorwerpen met een elastomeren buitenwand en een kunststofschuim kern. |
BE08900228 | 1989-03-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900014100A true KR900014100A (ko) | 1990-10-22 |
KR960007304B1 KR960007304B1 (ko) | 1996-05-30 |
Family
ID=3884046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900002793A KR960007304B1 (ko) | 1989-03-03 | 1990-03-03 | 탄성의 외측벽과 합성폼코어를 갖는 물건을 만드는 방법 |
Country Status (12)
Country | Link |
---|---|
US (1) | US5116557A (ko) |
EP (1) | EP0386818B1 (ko) |
JP (1) | JPH072337B2 (ko) |
KR (1) | KR960007304B1 (ko) |
AT (1) | ATE111397T1 (ko) |
AU (1) | AU624478B2 (ko) |
BE (1) | BE1002899A6 (ko) |
CA (1) | CA2011375C (ko) |
DE (1) | DE69012378T2 (ko) |
DK (1) | DK0386818T3 (ko) |
ES (1) | ES2063242T3 (ko) |
PT (1) | PT93326B (ko) |
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IT1246263B (it) * | 1990-09-07 | 1994-11-17 | Montedipe Srl | Procedimento per la preparazione di corpi formati con pelle integrata in poliuretano e corpi formati cosi' ottenuti. |
DE4106659A1 (de) * | 1991-03-02 | 1992-09-03 | Elastogran Polyurethane Gmbh | Verfahren zur herstellung von kraftfahrzeug-innenverkleidungen o. dgl. |
US5702810A (en) * | 1992-03-10 | 1997-12-30 | Mitsubishi Chemical Corporation | Cushioning composite molded article and a process for production thereof |
BE1005821A3 (nl) * | 1992-05-18 | 1994-02-08 | Recticel | Werkwijze voor het vervaardigen van zelfdragende kunststof garnituuronderdelen en aldus vervaardigd garnituuronderdeel. |
US5362429A (en) * | 1993-03-08 | 1994-11-08 | Magnum Manufacturing, Inc. | Rubber molding method using a frangible foam core |
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FR2715886B1 (fr) * | 1994-02-04 | 1996-04-26 | Askle | Procédé et dispositif de fabrication d'éléments de coussins ou de matelas en matière cellulaire souple. |
DE4414258C2 (de) * | 1994-04-23 | 1996-07-25 | Battenfeld Gmbh | Verfahren zum Spritzgießen von mindestens aus zwei unterschiedlichen Schichten bestehenden Gegenständen |
EP0692358A1 (en) * | 1994-06-24 | 1996-01-17 | Corell Resin Technology B.V. | Method for manufacturing a plastic board and a board obtained with this method |
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US5609395A (en) | 1995-09-18 | 1997-03-11 | Burch; Selwyn A. | Modular bus seat and method of retrofitting existing bus seats |
US6156257A (en) * | 1995-12-28 | 2000-12-05 | Toyoda Gosei Co., Ltd | Reactive injection molding process for manufacturing a two-colored molded polyurethane products |
US5816270A (en) * | 1996-02-21 | 1998-10-06 | Nadel Industries | Co-molded makeup applicator assembly |
US5807514A (en) * | 1996-07-10 | 1998-09-15 | Owens-Corning Fiberglas Technology, Inc. | Manufacturing of foam-containing composites |
US5955013A (en) * | 1996-07-10 | 1999-09-21 | Owens Corning Fiberglas Technology, Inc. | Manufacture of foam-containing structures |
US5817392A (en) * | 1996-11-22 | 1998-10-06 | Mantec Services Company | Assembly and attachment of cushions |
US5885662A (en) † | 1997-01-31 | 1999-03-23 | Atoma International, Inc. | Decorative automotive interior trim articles with integral light stable polyurethane elastomer covering and process for making the same |
US5938993A (en) * | 1997-05-21 | 1999-08-17 | Greene; Steven R. | Process for making molded polyurethane articles |
KR100440274B1 (ko) * | 1997-12-30 | 2005-05-24 | 현대자동차주식회사 | 발포 성형물 제작 방법 |
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-
1989
- 1989-03-03 BE BE8900228A patent/BE1002899A6/nl not_active IP Right Cessation
-
1990
- 1990-02-23 DE DE69012378T patent/DE69012378T2/de not_active Expired - Lifetime
- 1990-02-23 DK DK90200430.8T patent/DK0386818T3/da active
- 1990-02-23 AT AT90200430T patent/ATE111397T1/de not_active IP Right Cessation
- 1990-02-23 ES ES90200430T patent/ES2063242T3/es not_active Expired - Lifetime
- 1990-02-23 EP EP90200430A patent/EP0386818B1/en not_active Expired - Lifetime
- 1990-02-26 AU AU50126/90A patent/AU624478B2/en not_active Ceased
- 1990-03-02 PT PT93326A patent/PT93326B/pt not_active IP Right Cessation
- 1990-03-02 CA CA002011375A patent/CA2011375C/en not_active Expired - Fee Related
- 1990-03-02 JP JP2051613A patent/JPH072337B2/ja not_active Expired - Fee Related
- 1990-03-02 US US07/487,505 patent/US5116557A/en not_active Expired - Lifetime
- 1990-03-03 KR KR1019900002793A patent/KR960007304B1/ko not_active IP Right Cessation
Also Published As
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---|---|
CA2011375C (en) | 2000-09-05 |
US5116557A (en) | 1992-05-26 |
DK0386818T3 (da) | 1995-02-06 |
ES2063242T3 (es) | 1995-01-01 |
BE1002899A6 (nl) | 1991-07-16 |
JPH0327914A (ja) | 1991-02-06 |
CA2011375A1 (en) | 1990-09-03 |
JPH072337B2 (ja) | 1995-01-18 |
PT93326B (pt) | 1996-07-31 |
KR960007304B1 (ko) | 1996-05-30 |
DE69012378T2 (de) | 1995-02-16 |
DE69012378D1 (de) | 1994-10-20 |
AU624478B2 (en) | 1992-06-11 |
EP0386818A1 (en) | 1990-09-12 |
PT93326A (pt) | 1990-11-07 |
ATE111397T1 (de) | 1994-09-15 |
AU5012690A (en) | 1990-09-06 |
EP0386818B1 (en) | 1994-09-14 |
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