DE1504149A1 - Verfahren und Einrichtung zur Erzeugung von expandierten geschaeumten Polymerisat-Film-Produkten - Google Patents
Verfahren und Einrichtung zur Erzeugung von expandierten geschaeumten Polymerisat-Film-ProduktenInfo
- Publication number
- DE1504149A1 DE1504149A1 DE19631504149 DE1504149A DE1504149A1 DE 1504149 A1 DE1504149 A1 DE 1504149A1 DE 19631504149 DE19631504149 DE 19631504149 DE 1504149 A DE1504149 A DE 1504149A DE 1504149 A1 DE1504149 A1 DE 1504149A1
- Authority
- DE
- Germany
- Prior art keywords
- diameter
- polymer
- inner thread
- thread diameter
- mold
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 229920006254 polymer film Polymers 0.000 title claims 2
- 229920000642 polymer Polymers 0.000 claims description 32
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 239000004793 Polystyrene Substances 0.000 claims description 11
- 229920002223 polystyrene Polymers 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 10
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003380 propellant Substances 0.000 claims description 6
- 239000004604 Blowing Agent Substances 0.000 claims description 4
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 4
- 239000000378 calcium silicate Substances 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 2
- 238000009835 boiling Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 238000005187 foaming Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 229920006248 expandable polystyrene Polymers 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002667 nucleating agent Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical compound BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004794 expanded polystyrene Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- NVZWEEGUWXZOKI-UHFFFAOYSA-N 1-ethenyl-2-methylbenzene Chemical compound CC1=CC=CC=C1C=C NVZWEEGUWXZOKI-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- XOBKSJJDNFUZPF-UHFFFAOYSA-N Methoxyethane Chemical compound CCOC XOBKSJJDNFUZPF-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 229960003750 ethyl chloride Drugs 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000002044 hexane fraction Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- -1 malonic acid Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229940102396 methyl bromide Drugs 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
-
- 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
-
- 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
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
- B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
-
- 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
- B29L2023/00—Tubular articles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/908—Nucleating agent for cellular product
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US233497A US3248462A (en) | 1962-10-22 | 1962-10-22 | Method for producing foamed sheet material having essentially equal tensile properties |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1504149A1 true DE1504149A1 (de) | 1969-09-25 |
Family
ID=22877490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19631504149 Pending DE1504149A1 (de) | 1962-10-22 | 1963-10-16 | Verfahren und Einrichtung zur Erzeugung von expandierten geschaeumten Polymerisat-Film-Produkten |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3248462A (en, 2012) |
| BE (1) | BE638935A (en, 2012) |
| DE (1) | DE1504149A1 (en, 2012) |
| FR (1) | FR1377632A (en, 2012) |
| GB (1) | GB994610A (en, 2012) |
| NL (1) | NL299302A (en, 2012) |
| SE (1) | SE303370B (en, 2012) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2910504A1 (de) * | 1978-03-17 | 1979-09-20 | Ladney Jun | Verfahren und vorrichtung zur herstellung von starren kunststoff-schaumprodukten |
| DE3636960A1 (de) * | 1985-11-06 | 1987-05-14 | Victaulic Plc | Vorrichtung und verfahren zur erzeugung eines extrudierten produktes |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1050197A (en, 2012) * | 1963-11-27 | |||
| US3403203A (en) * | 1964-03-13 | 1968-09-24 | Grace W R & Co | Method for preparing a non-woven fabric-like member |
| US3539666A (en) * | 1968-06-18 | 1970-11-10 | Grace W R & Co | Method for preparing a nonwoven fabriclike member |
| SE7308581L (en, 2012) * | 1973-06-19 | 1974-12-20 | Ab Ziristor | |
| US4272468A (en) * | 1978-01-03 | 1981-06-09 | Conwed Corporation | Method for reducing the aging period of polyethylene foams |
| US4415392A (en) * | 1978-11-20 | 1983-11-15 | Japan Styrene Paper Corporation | Method for producing foamed plastic sheet |
| JPS61149344A (ja) * | 1984-12-25 | 1986-07-08 | Japan Styrene Paper Co Ltd | 自動車成形天井材用基材 |
| CA1309221C (en) * | 1987-04-15 | 1992-10-27 | Kyung W. Suh | Method for the preparation of styrene polymer foam, blowing agents for the preparation of such foam and styrene polymer foams prepared with such blowing agents |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2478879A (en) * | 1946-02-23 | 1949-08-09 | Wingfoot Corp | Porous compositions |
| US2544483A (en) * | 1948-11-27 | 1951-03-06 | Du Pont | Inorganic sponge blowing agents |
| US2747223A (en) * | 1950-10-24 | 1956-05-29 | Us Rubber Co | Apparatus for making inner tubes for tires |
| GB743364A (en) * | 1952-07-26 | 1956-01-11 | Isoleringsaktiebolaget Wmb | Improvements in methods of producing porous bodies of thermoplastic material |
| US3094449A (en) * | 1956-04-30 | 1963-06-18 | St Regis Paper Co | Method of forming a container from a flexible laminate of foamed polystyrene |
| NL129996C (en, 2012) * | 1958-12-17 | |||
| US3011217A (en) * | 1959-05-11 | 1961-12-05 | Monsanto Chemicals | Method for preparing high density sheets of foamable thermoplastic resin compositions |
| US3079636A (en) * | 1960-04-11 | 1963-03-05 | Monsanto Chemicals | Blow extrusion apparatus |
| US3074108A (en) * | 1960-04-25 | 1963-01-22 | Phillips Petroleum Co | Apparatus for biaxially orienting thermoplastic film |
| US3141912A (en) * | 1960-08-24 | 1964-07-21 | Du Pont | Process of treating polymeric film |
| US3121911A (en) * | 1961-03-08 | 1964-02-25 | Monsanto Chemicals | Foamed resin extrusion process and apparatus |
| US3090995A (en) * | 1961-06-01 | 1963-05-28 | Owens Illinois Glass Co | Extruder for plastic tubing |
| US3151192A (en) * | 1961-07-24 | 1964-09-29 | Sun Chemical Corp | Method of extruding a foamed thermoplastic product |
-
0
- BE BE638935D patent/BE638935A/xx unknown
- NL NL299302D patent/NL299302A/xx unknown
-
1962
- 1962-10-22 US US233497A patent/US3248462A/en not_active Expired - Lifetime
-
1963
- 1963-10-15 GB GB40586/63A patent/GB994610A/en not_active Expired
- 1963-10-16 DE DE19631504149 patent/DE1504149A1/de active Pending
- 1963-10-18 FR FR951113A patent/FR1377632A/fr not_active Expired
- 1963-10-22 SE SE11569/63A patent/SE303370B/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2910504A1 (de) * | 1978-03-17 | 1979-09-20 | Ladney Jun | Verfahren und vorrichtung zur herstellung von starren kunststoff-schaumprodukten |
| DE3636960A1 (de) * | 1985-11-06 | 1987-05-14 | Victaulic Plc | Vorrichtung und verfahren zur erzeugung eines extrudierten produktes |
Also Published As
| Publication number | Publication date |
|---|---|
| SE303370B (en, 2012) | 1968-08-26 |
| US3248462A (en) | 1966-04-26 |
| BE638935A (en, 2012) | 1900-01-01 |
| NL299302A (en, 2012) | 1900-01-01 |
| GB994610A (en) | 1965-06-10 |
| FR1377632A (fr) | 1964-11-06 |
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