GB2052358A - Producing mouldings from foamable thermoplastics - Google Patents
Producing mouldings from foamable thermoplastics Download PDFInfo
- Publication number
- GB2052358A GB2052358A GB8017611A GB8017611A GB2052358A GB 2052358 A GB2052358 A GB 2052358A GB 8017611 A GB8017611 A GB 8017611A GB 8017611 A GB8017611 A GB 8017611A GB 2052358 A GB2052358 A GB 2052358A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mold
- foamed plastic
- plastic granules
- inert gas
- process according
- 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.)
- Withdrawn
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 42
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 8
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 8
- 239000008187 granular material Substances 0.000 claims abstract description 39
- 239000011261 inert gas Substances 0.000 claims abstract description 39
- 229920000426 Microplastic Polymers 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 32
- 230000008569 process Effects 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 229920006327 polystyrene foam Polymers 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 32
- 238000001816 cooling Methods 0.000 claims description 26
- 238000010792 warming Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 5
- 238000005056 compaction Methods 0.000 claims description 4
- 229920006329 Styropor Polymers 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 230000008707 rearrangement Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 239000006260 foam Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 229920006248 expandable polystyrene Polymers 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012802 pre-warming Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/007—Treatment of sinter powders
-
- 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
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
- B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
-
- 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
- B29C44/3415—Heating or cooling
- B29C44/3426—Heating by introducing steam in the mould
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792922314 DE2922314A1 (de) | 1979-05-31 | 1979-05-31 | Verfahren und vorrichtung zur herstellung von formkoerpern aus schaeumbaren thermoplastischen kunststoffen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2052358A true GB2052358A (en) | 1981-01-28 |
Family
ID=6072227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8017611A Withdrawn GB2052358A (en) | 1979-05-31 | 1980-05-29 | Producing mouldings from foamable thermoplastics |
Country Status (12)
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986006393A1 (en) * | 1985-04-22 | 1986-11-06 | The Dow Chemical Company | Method and apparatus for the preparation of foamed thermoplastic articles |
| GB2196291A (en) * | 1986-08-23 | 1988-04-27 | Auto Alloys | Moulding apparatus |
| EP0896870A3 (de) * | 1997-08-11 | 2000-01-05 | Hahn, Ortwin, Prof. Dr.-Ing. | EPS-Schäum- und Sinterverfahren und Vorrichtung |
| WO2017063728A1 (de) * | 2015-10-13 | 2017-04-20 | Krallmann Kunststoffverarbeitung Gmbh | Vorrichtung und verfahren zur herstellung von aus einem partikelschaum bestehenden formteilen |
| WO2018095571A1 (de) * | 2016-11-25 | 2018-05-31 | Krallmann Kunststoffverarbeitung Gmbh | Verfahren und vorrichtung zur herstellung eines aus einem partikelschaum bestehenden formteils |
| CN116728682A (zh) * | 2023-07-24 | 2023-09-12 | 东莞海瑞斯新材料科技有限公司 | 一种超临界发泡弹性体的制备成型设备及方法 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57167222A (en) * | 1981-04-07 | 1982-10-15 | Sekisui Plastics Co Ltd | Filling method for raw material particle in expansion molding |
| JPS57167223A (en) * | 1981-04-09 | 1982-10-15 | Sekisui Plastics Co Ltd | Filling method for raw material particle in expansion molding |
| JPS57169330A (en) * | 1981-04-10 | 1982-10-19 | Sekisui Plastics Co Ltd | Filling method of raw material particle at foam molding |
| DE3902002A1 (de) * | 1989-01-24 | 1990-07-26 | Hans Erlenbach | Verfahren und vorrichtung zum herstellen von formlingen aus aufgeschaeumtem, thermoplastischem kunststoff |
| WO1992002358A1 (en) * | 1990-08-06 | 1992-02-20 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Foam-molded item of olefinic synthetic resin and method of manufacturing the same |
| DE102005029584A1 (de) * | 2005-06-25 | 2007-01-04 | Intier Automotive Interiors Gmbh | Verfahren zur Herstellung eines Schaumformkörpers |
| JP7072188B2 (ja) * | 2018-05-02 | 2022-05-20 | Ｄａｉｓｅｎ株式会社 | 原料ビーズの充填方法と成形体の含水量測定方法および発泡樹脂成形装置 |
| DE102021128028A1 (de) | 2021-10-27 | 2023-04-27 | Fox Velution Gmbh | Formwerkzeug zur Verarbeitung von Kunststoffpartikelmaterial zur Herstellung eines Partikelschaumformteils und Verfahren |
| JP2024124140A (ja) * | 2023-03-02 | 2024-09-12 | 司フエルト商事株式会社 | 多孔質体の製造方法及び製造装置 |
-
1979
- 1979-05-31 DE DE19792922314 patent/DE2922314A1/de not_active Withdrawn
- 1979-06-08 FR FR7914783A patent/FR2457763B3/fr not_active Expired
-
1980
- 1980-05-29 GB GB8017611A patent/GB2052358A/en not_active Withdrawn
- 1980-05-30 PT PT71333A patent/PT71333A/pt unknown
- 1980-05-30 IL IL60199A patent/IL60199A0/xx unknown
- 1980-05-30 MA MA19062A patent/MA18864A1/fr unknown
- 1980-05-30 BR BR8003408A patent/BR8003408A/pt unknown
- 1980-05-30 NL NL8003168A patent/NL8003168A/nl not_active Application Discontinuation
- 1980-05-30 BE BE0/200851A patent/BE883585A/fr unknown
- 1980-05-30 JP JP7163580A patent/JPS5628835A/ja active Pending
- 1980-05-30 SE SE8004057A patent/SE8004057L/xx unknown
- 1980-05-30 IT IT22471/80A patent/IT1140985B/it active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986006393A1 (en) * | 1985-04-22 | 1986-11-06 | The Dow Chemical Company | Method and apparatus for the preparation of foamed thermoplastic articles |
| US4693856A (en) * | 1985-04-22 | 1987-09-15 | The Dow Chemical Company | Method and apparatus for the preparation of foamed thermoplastic articles |
| GB2196291A (en) * | 1986-08-23 | 1988-04-27 | Auto Alloys | Moulding apparatus |
| GB2196291B (en) * | 1986-08-23 | 1990-04-18 | Auto Alloys | Moulding apparatus |
| EP0896870A3 (de) * | 1997-08-11 | 2000-01-05 | Hahn, Ortwin, Prof. Dr.-Ing. | EPS-Schäum- und Sinterverfahren und Vorrichtung |
| WO2017063728A1 (de) * | 2015-10-13 | 2017-04-20 | Krallmann Kunststoffverarbeitung Gmbh | Vorrichtung und verfahren zur herstellung von aus einem partikelschaum bestehenden formteilen |
| EP3362245B1 (de) | 2015-10-13 | 2020-08-26 | Krallmann Kunststoffverarbeitung GmbH | Vorrichtung und verfahren zur herstellung von aus einem partikelschaum bestehenden formteilen |
| WO2018095571A1 (de) * | 2016-11-25 | 2018-05-31 | Krallmann Kunststoffverarbeitung Gmbh | Verfahren und vorrichtung zur herstellung eines aus einem partikelschaum bestehenden formteils |
| CN116728682A (zh) * | 2023-07-24 | 2023-09-12 | 东莞海瑞斯新材料科技有限公司 | 一种超临界发泡弹性体的制备成型设备及方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| NL8003168A (nl) | 1980-12-02 |
| IL60199A0 (en) | 1980-07-31 |
| FR2457763B3 (enrdf_load_stackoverflow) | 1982-05-21 |
| PT71333A (en) | 1980-06-01 |
| IT8022471A0 (it) | 1980-05-30 |
| JPS5628835A (en) | 1981-03-23 |
| DE2922314A1 (de) | 1981-02-12 |
| SE8004057L (sv) | 1980-12-01 |
| IT1140985B (it) | 1986-10-10 |
| BR8003408A (pt) | 1980-12-30 |
| BE883585A (fr) | 1980-09-15 |
| MA18864A1 (fr) | 1980-12-31 |
| FR2457763A1 (enrdf_load_stackoverflow) | 1980-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |