AU589821B2 - Process for preparing polyurethane foams having zones of differing hardness - Google Patents
Process for preparing polyurethane foams having zones of differing hardnessInfo
- Publication number
- AU589821B2 AU589821B2 AU81357/87A AU8135787A AU589821B2 AU 589821 B2 AU589821 B2 AU 589821B2 AU 81357/87 A AU81357/87 A AU 81357/87A AU 8135787 A AU8135787 A AU 8135787A AU 589821 B2 AU589821 B2 AU 589821B2
- Authority
- AU
- Australia
- Prior art keywords
- zones
- polyurethane foams
- preparing polyurethane
- differing hardness
- differing
- 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.)
- Ceased
Links
- 229920005830 Polyurethane Foam Polymers 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000011496 polyurethane foam Substances 0.000 title 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
- 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
- B29C44/0476—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 by pouring more than one composition into an open mould
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/18—Seat parts having foamed material included in cushioning part
-
- 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
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8627815 | 1986-11-20 | ||
GB868627815A GB8627815D0 (en) | 1986-11-20 | 1986-11-20 | Preparing polyurethane foams |
Publications (2)
Publication Number | Publication Date |
---|---|
AU8135787A AU8135787A (en) | 1988-05-26 |
AU589821B2 true AU589821B2 (en) | 1989-10-19 |
Family
ID=10607679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU81357/87A Ceased AU589821B2 (en) | 1986-11-20 | 1987-11-18 | Process for preparing polyurethane foams having zones of differing hardness |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPH0189111U (en) |
AU (1) | AU589821B2 (en) |
BE (1) | BE1001195A3 (en) |
DE (1) | DE3739249A1 (en) |
ES (1) | ES2005460A6 (en) |
FR (1) | FR2607061B1 (en) |
GB (2) | GB8627815D0 (en) |
IT (1) | IT1223361B (en) |
NL (1) | NL8702764A (en) |
NZ (1) | NZ222564A (en) |
PT (1) | PT86177A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU624226B2 (en) * | 1989-03-18 | 1992-06-04 | Polyol International B.V. | Process for preparing multihardness foam articles |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07106167B2 (en) * | 1986-12-01 | 1995-11-15 | 株式会社ブリヂストン | Cushion |
US5106548A (en) * | 1988-05-26 | 1992-04-21 | Ikeda Bussan Co., Ltd. | Method of producing skin-covered pad for seat |
GB8825984D0 (en) * | 1988-11-07 | 1988-12-14 | Medesign Ltd | Therapeutic pillow |
GB8827280D0 (en) * | 1988-11-22 | 1988-12-29 | Bp Chem Int Ltd | Process for making polyurethane foam |
US5000515A (en) * | 1989-02-14 | 1991-03-19 | Hoover Universal, Inc. | Variable density foam vehicle seat |
US5400490A (en) * | 1993-02-26 | 1995-03-28 | Woodbridge Foam Corporation | Method of molding a seat having anchoring means connected thereto |
DE10205028C1 (en) * | 2002-02-07 | 2003-08-14 | Krauss Maffei Kunststofftech | Manufacture of moldings made up of at least two sections of foam with different rigidity uses single female mold with male mold and then with female mold, protective sheet being incorporated into molding |
JP5308152B2 (en) * | 2006-03-31 | 2013-10-09 | テイ・エス テック株式会社 | Cushion body manufacturing method and seat seat manufacturing method |
ES2384353B1 (en) * | 2009-06-23 | 2013-06-10 | Asociacion De Investigación Centro Tecnológico Del Mueble Y La Madera De La Región De Murcia | PROCEDURE FOR OBTAINING RESIN FOAMS. |
US9351579B2 (en) * | 2012-01-05 | 2016-05-31 | Andres Escobar Uribe | Multi-layered anatomical quilted system |
US10602847B2 (en) | 2012-08-23 | 2020-03-31 | Lear Corporation | Thoracic region comfort seating system |
EP2887837A4 (en) | 2012-08-23 | 2016-04-20 | Lear Corp | Thoracic region comfort seating system |
NO338505B1 (en) * | 2014-09-05 | 2016-08-29 | Torgersen Hans & Soenn | Child safety seat |
AT519381A2 (en) * | 2016-11-24 | 2018-06-15 | Fill Gmbh | Process for producing a shaped body |
CN114248673A (en) * | 2020-09-24 | 2022-03-29 | 西德科(上海)汽车座椅有限公司 | Automobile seat with gradient distribution of hardness of foaming material and manufacturing method thereof |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3161436A (en) * | 1962-03-27 | 1964-12-15 | Davidson Rubber Company Inc | Pre-stressed molded foam cushioning element |
FR1403374A (en) * | 1964-07-25 | 1965-06-18 | Dunlop Sa | Reinforced foam molded articles |
DE7729578U1 (en) * | 1977-09-23 | 1978-01-12 | Metzeler Schaum Gmbh, 8940 Memmingen | FOAM PAD FOR VEHICLE SEATS |
US4190697A (en) * | 1979-01-15 | 1980-02-26 | Milsco Manufacturing Company | Multidensity foam article and method of preparation |
CA1194660A (en) * | 1981-06-27 | 1985-10-08 | Rudolf J. Tenhagen | Process for making polyurethane foam |
US4405681A (en) * | 1983-01-20 | 1983-09-20 | Milsco Manufacturing Company | Foam article and method of preparation |
DE3327724A1 (en) * | 1983-08-01 | 1985-02-14 | Dunlop Ag, 6450 Hanau | METHOD AND DEVICE FOR PRODUCING UPHOLSTERY BODIES FROM MOLDED FOAM |
IT1181506B (en) * | 1984-01-31 | 1987-09-30 | Clerprem Srl | PROCEDURE FOR THE REALIZATION OF A CUSHION FOR SEAT OR VEHICLE BACKREST OR SIMILAR IN DOUBLE LAYER OF FOAM, WITH DIFFERENT CHARACTERISTICS AND CUSHION OBTAINED WITH SUCH CHARACTERISTICS |
FR2562882B1 (en) * | 1984-04-16 | 1989-11-17 | Nhk Spring Co Ltd | SEAT PADDING AND MANUFACTURING METHOD THEREOF |
GB2161375A (en) * | 1984-07-09 | 1986-01-15 | Milsco Mfg Co | Composite foam-seat cushion and method of preparation |
-
1986
- 1986-11-20 GB GB868627815A patent/GB8627815D0/en active Pending
-
1987
- 1987-11-11 GB GB8726372A patent/GB2197659B/en not_active Expired - Lifetime
- 1987-11-16 NZ NZ222564A patent/NZ222564A/en unknown
- 1987-11-18 AU AU81357/87A patent/AU589821B2/en not_active Ceased
- 1987-11-19 NL NL8702764A patent/NL8702764A/en not_active Application Discontinuation
- 1987-11-19 IT IT22704/87A patent/IT1223361B/en active
- 1987-11-19 BE BE8701311A patent/BE1001195A3/en not_active IP Right Cessation
- 1987-11-19 PT PT86177A patent/PT86177A/en not_active Application Discontinuation
- 1987-11-19 FR FR878716019A patent/FR2607061B1/en not_active Expired - Fee Related
- 1987-11-19 DE DE19873739249 patent/DE3739249A1/en not_active Withdrawn
- 1987-11-20 JP JP1987177475U patent/JPH0189111U/ja active Pending
- 1987-11-20 ES ES8703315A patent/ES2005460A6/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU624226B2 (en) * | 1989-03-18 | 1992-06-04 | Polyol International B.V. | Process for preparing multihardness foam articles |
Also Published As
Publication number | Publication date |
---|---|
GB2197659B (en) | 1990-01-10 |
JPH0189111U (en) | 1989-06-13 |
BE1001195A3 (en) | 1989-08-16 |
DE3739249A1 (en) | 1988-05-26 |
NZ222564A (en) | 1990-09-26 |
AU8135787A (en) | 1988-05-26 |
GB8726372D0 (en) | 1987-12-16 |
NL8702764A (en) | 1988-06-16 |
GB8627815D0 (en) | 1986-12-17 |
IT1223361B (en) | 1990-09-19 |
IT8722704A0 (en) | 1987-11-19 |
FR2607061B1 (en) | 1990-04-20 |
FR2607061A1 (en) | 1988-05-27 |
GB2197659A (en) | 1988-05-25 |
ES2005460A6 (en) | 1989-03-01 |
PT86177A (en) | 1988-12-15 |
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