DE3327724C2 - - Google Patents
Info
- Publication number
- DE3327724C2 DE3327724C2 DE3327724A DE3327724A DE3327724C2 DE 3327724 C2 DE3327724 C2 DE 3327724C2 DE 3327724 A DE3327724 A DE 3327724A DE 3327724 A DE3327724 A DE 3327724A DE 3327724 C2 DE3327724 C2 DE 3327724C2
- Authority
- DE
- Germany
- Prior art keywords
- webs
- areas
- different
- bead
- mixtures
- 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
- 239000011324 bead Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 6
- 239000013518 molded foam Substances 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000006260 foam Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005187 foaming Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- 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
- B29C44/0469—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 provided with physical separators between the different materials, e.g. separating layers, mould walls
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833327724 DE3327724A1 (de) | 1983-08-01 | 1983-08-01 | Verfahren und vorrichtung zur herstellung von polsterkoerpern aus formschaum |
GB08416997A GB2144071B (en) | 1983-08-01 | 1984-07-04 | Method and apparatus for producing upholstery bodies from moulded foam |
ZA845456A ZA845456B (en) | 1983-08-01 | 1984-07-16 | Moulded foam articles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833327724 DE3327724A1 (de) | 1983-08-01 | 1983-08-01 | Verfahren und vorrichtung zur herstellung von polsterkoerpern aus formschaum |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3327724A1 DE3327724A1 (de) | 1985-02-14 |
DE3327724C2 true DE3327724C2 (en, 2012) | 1987-05-27 |
Family
ID=6205471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833327724 Granted DE3327724A1 (de) | 1983-08-01 | 1983-08-01 | Verfahren und vorrichtung zur herstellung von polsterkoerpern aus formschaum |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3327724A1 (en, 2012) |
GB (1) | GB2144071B (en, 2012) |
ZA (1) | ZA845456B (en, 2012) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2562882B1 (fr) * | 1984-04-16 | 1989-11-17 | Nhk Spring Co Ltd | Rembourrage de siege et son procede de fabrication |
JPS62105612A (ja) * | 1985-11-05 | 1987-05-16 | Bridgestone Corp | 積層構造を有する発泡体製品の製造方法 |
CA1309220C (en) * | 1985-12-25 | 1992-10-27 | Tetsuo Kita | Process for producing laminated resin foam and mold therefor |
JPS62168298A (ja) * | 1986-01-20 | 1987-07-24 | 株式会社川島織物 | 椅子張地見本取付装置 |
GB8627815D0 (en) * | 1986-11-20 | 1986-12-17 | Bp Chem Int Ltd | Preparing polyurethane foams |
JPH07106167B2 (ja) * | 1986-12-01 | 1995-11-15 | 株式会社ブリヂストン | クツシヨン体 |
US5000515A (en) * | 1989-02-14 | 1991-03-19 | Hoover Universal, Inc. | Variable density foam vehicle seat |
CN100398037C (zh) * | 2001-11-26 | 2008-07-02 | 株式会社普利司通 | 车辆用座垫 |
JP5985411B2 (ja) * | 2012-02-22 | 2016-09-06 | トヨタ紡織株式会社 | 車両用シートのクッションパッド |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB612029A (en) * | 1946-05-15 | 1948-11-08 | Christian Kunzle | Improvements in and relating to the manufacture of chocolate or other sweetmeat slabs, bars or the like |
GB701841A (en) * | 1951-03-13 | 1954-01-06 | Frederick Robert Taylor | Tanks for moulding jellies or like confections |
GB1160558A (en) * | 1965-09-22 | 1969-08-06 | Alan Bertie | Improvements in or relating to the Casting of Concrete Crazy Paving Slabs |
DE2052907A1 (en) * | 1970-10-28 | 1972-05-04 | Tech Akustik Gmbh & Co | Moulding foamed plastics seats - esp for automobiles having differing local properties |
DE3102140A1 (de) * | 1981-01-23 | 1982-08-19 | Bayer Ag, 5090 Leverkusen | Formteil, insbesondere polster fuer fahrzeugsitze, aus polyurethanschaumstoff mit zonen unterschiedlicher eindruckhaerte und verfahren zu seiner herstellung |
-
1983
- 1983-08-01 DE DE19833327724 patent/DE3327724A1/de active Granted
-
1984
- 1984-07-04 GB GB08416997A patent/GB2144071B/en not_active Expired
- 1984-07-16 ZA ZA845456A patent/ZA845456B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB8416997D0 (en) | 1984-08-08 |
GB2144071B (en) | 1986-06-04 |
DE3327724A1 (de) | 1985-02-14 |
ZA845456B (en) | 1986-02-26 |
GB2144071A (en) | 1985-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8363 | Opposition against the patent | ||
8331 | Complete revocation |