ZA75470B - Process and apparatus for the manufacture of plastic sandwich elements - Google Patents
Process and apparatus for the manufacture of plastic sandwich elementsInfo
- Publication number
- ZA75470B ZA75470B ZA00750470A ZA75470A ZA75470B ZA 75470 B ZA75470 B ZA 75470B ZA 00750470 A ZA00750470 A ZA 00750470A ZA 75470 A ZA75470 A ZA 75470A ZA 75470 B ZA75470 B ZA 75470B
- Authority
- ZA
- South Africa
- Prior art keywords
- manufacture
- sandwich elements
- plastic sandwich
- plastic
- elements
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 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
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/13—Cell size and distribution control while molding a foam
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/233—Foamed or expanded material encased
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249961—With gradual property change within a component
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249987—With nonvoid component of specified composition
- Y10T428/249991—Synthetic resin or natural rubbers
- Y10T428/249992—Linear or thermoplastic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48243374A | 1974-06-24 | 1974-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA75470B true ZA75470B (en) | 1976-01-28 |
Family
ID=23916052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00750470A ZA75470B (en) | 1974-06-24 | 1975-01-22 | Process and apparatus for the manufacture of plastic sandwich elements |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4107247A (oth) |
| JP (1) | JPS51578A (oth) |
| DE (1) | DE2508557A1 (oth) |
| FR (1) | FR2276162A1 (oth) |
| GB (1) | GB1497701A (oth) |
| IL (1) | IL47541A (oth) |
| ZA (1) | ZA75470B (oth) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4206165A (en) * | 1976-03-26 | 1980-06-03 | Tri-Seal International, Inc. | Method of co-extrusion with foam core |
| USRE32921E (en) * | 1976-07-13 | 1989-05-09 | GCB, Inc. | Method of powder coating the inside of pipes with a continuous film of plastic material |
| DE3001159C2 (de) * | 1980-01-15 | 1987-03-05 | kabelmetal electro GmbH, 3000 Hannover | Verfahren zum Herstellen schrumpffähiger Formteile |
| US4386628A (en) * | 1980-11-20 | 1983-06-07 | Pro-Tech Advisory Services Limited | Maintenance lining of passageways |
| US4533578A (en) * | 1983-08-30 | 1985-08-06 | Mobil Oil Corporation | Sandwich foam coextrusion for high performance polyolefin trash bags |
| US4657811A (en) * | 1983-08-30 | 1987-04-14 | Mobil Oil Corporation | High performance three layer polyolefin film |
| CA1222115A (en) * | 1984-06-22 | 1987-05-26 | Hans Hede | Method of fabricating composite products |
| JPH0798349B2 (ja) * | 1987-04-10 | 1995-10-25 | 三菱化学株式会社 | 熱可塑性樹脂発泡体の製造方法 |
| US4789074A (en) * | 1987-07-10 | 1988-12-06 | Minnesota Mining And Manufacturing Company | Cap liner |
| US4818577A (en) * | 1987-08-20 | 1989-04-04 | Minnesota Mining And Manufacturing Company | Synthetic liner capable of resisting chemical attack and high temperature |
| US4911628A (en) * | 1988-10-05 | 1990-03-27 | American Maplan Corporation | Triwall siding apparatus |
| US5122401A (en) * | 1988-10-19 | 1992-06-16 | Tri-Seal International, Inc. | Scented pole cover |
| JPH02194922A (ja) * | 1989-01-25 | 1990-08-01 | Kanegafuchi Chem Ind Co Ltd | 押出発泡複合成形体の製造方法及び装置 |
| JPH02258093A (ja) * | 1989-03-29 | 1990-10-18 | Sekisui Chem Co Ltd | 金属管内周面の粉体塗装方法 |
| US5000992A (en) * | 1989-06-01 | 1991-03-19 | The Dow Chemical Company | Coextruded multilayer foamed film for plastic container closures and process for manufacture |
| JPH03135477A (ja) * | 1989-10-19 | 1991-06-10 | Sekisui Chem Co Ltd | 金属管内周面の粉体塗装方法 |
| US5601200A (en) * | 1991-09-06 | 1997-02-11 | Tri-Seal International, Inc. | Cap liner for hot filled container and method |
| WO1994023950A1 (en) * | 1993-04-08 | 1994-10-27 | Wilson Roger D | Floor and countertop protector pad |
| US5443885A (en) * | 1993-04-08 | 1995-08-22 | Wilson; Roger D. | Floor and countertop protector pad |
| US5516474A (en) * | 1993-11-24 | 1996-05-14 | The Cloeren Company | Thermally distinct layer coextrusion |
| JP2966735B2 (ja) * | 1994-07-29 | 1999-10-25 | 積水化成品工業株式会社 | 熱可塑性樹脂押出機 |
| US5665284A (en) * | 1995-04-26 | 1997-09-09 | Ronald D. Erwin | Process for manufacturing foam-filled extruded products |
| US6139945A (en) * | 1997-11-25 | 2000-10-31 | Premark Rwp Holdings, Inc. | Polymeric foam substrate and its use as in combination with decorative surfaces |
| DK0922554T3 (da) | 1997-12-08 | 2003-10-20 | Dow Deutschland Inc | Flerlagsskum, fremgangsmåde til dets fremstilling og anvendelse heraf |
| US6391931B1 (en) | 1999-04-28 | 2002-05-21 | 3M Innovative Properties Co | Uniform small cell foams and a continuous process for making same |
| US6615490B2 (en) | 2000-01-21 | 2003-09-09 | Newell Operating Company | Method of manufacture of paint application |
| US6623674B1 (en) | 2000-11-16 | 2003-09-23 | 3M Innovative Properties Company | Reduced density foam articles and process for making |
| US20030232210A1 (en) * | 2002-06-18 | 2003-12-18 | 3M Innovative Properties Company | Ink-receptive foam article |
| US20050001344A1 (en) * | 2002-11-04 | 2005-01-06 | Chang Jui Yang | Method for forming foamable boards |
| US20040094256A1 (en) * | 2002-11-18 | 2004-05-20 | Chang Jui Yang | Method for forming foamable boards |
| US7820282B2 (en) * | 2003-04-10 | 2010-10-26 | 3M Innovative Properties Company | Foam security substrate |
| US7655296B2 (en) | 2003-04-10 | 2010-02-02 | 3M Innovative Properties Company | Ink-receptive foam article |
| US20060113046A1 (en) * | 2004-05-12 | 2006-06-01 | Prince Kendall W | Stiffened parts for window covering and methods for making the same |
| CN101194081B (zh) * | 2004-05-12 | 2012-07-04 | 肯德尔·W·普林斯 | 窗户遮盖部件以及制作该部件的设备和方法 |
| US20080041810A1 (en) * | 2004-08-11 | 2008-02-21 | Toyo Seikan Kaisha, Ltd. | Biodegradable Cap That Can Be Excellently Opened And Container With Biodegradable Cap |
| JP4764072B2 (ja) * | 2005-05-31 | 2011-08-31 | キョーラク株式会社 | 樹脂製パネルの製造方法 |
| US20090246501A1 (en) * | 2008-03-26 | 2009-10-01 | Fina Technology, Inc. | Reduced Weight Multilayer Polymeric Articles and Methods of Making and Using Same |
| BRPI0913849A2 (pt) * | 2008-06-20 | 2015-10-20 | Procter & Gamble | embalagem de filme espumado |
| US9303451B2 (en) | 2013-02-25 | 2016-04-05 | Precision Coating Innovations, Llc | System for pivoting a blind slat |
| USD780480S1 (en) | 2013-02-25 | 2017-03-07 | Precision Coating Innovations, L.L.C. | Low profile blind head rail |
| CA3112626A1 (en) * | 2018-09-13 | 2020-03-19 | 3M Innovative Properties Company | Polymeric membrane useful as a commercial roofing membrane |
| WO2023209699A1 (en) | 2022-04-27 | 2023-11-02 | Keter Home and Garden Products Ltd. | Processes for texturizing and marking a surface |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3029476A (en) * | 1957-12-16 | 1962-04-17 | Us Rubber Co | Method for making blown rubber |
| US3331900A (en) * | 1963-10-08 | 1967-07-18 | Ind Vinyls Inc | Method of extruding a skin coated foamed plastic article |
| US3524795A (en) * | 1965-07-01 | 1970-08-18 | Dow Chemical Co | Packaging film |
| US3559239A (en) * | 1968-02-27 | 1971-02-02 | American Can Co | Multilayer extrusion die |
| DE1950963A1 (de) * | 1969-10-09 | 1971-05-06 | Siamp Cedap Reunies | Breitschlitzduese zur Herstellung mehrschichtiger Bahnen |
| BE793101A (fr) * | 1970-07-27 | 1973-06-20 | Dow Chemical Co | Pellicule stratifiee et son procede de fabrication |
| US3956438A (en) * | 1971-02-25 | 1976-05-11 | Barmag Barmer Maschinenfabrik Aktiengesellschaft | Process for extruding a partially foamed thermoplastic product |
| US3933964A (en) * | 1971-04-26 | 1976-01-20 | Brooks Bernard W | Resin laminate and method of making |
| JPS4840063A (oth) * | 1971-09-23 | 1973-06-12 | ||
| DE2507274A1 (de) * | 1975-02-20 | 1976-09-09 | Bayer Ag | Laminate aus polyaethylenschaum mit anisotroper porenstruktur |
-
1975
- 1975-01-22 GB GB2713/75A patent/GB1497701A/en not_active Expired
- 1975-01-22 ZA ZA00750470A patent/ZA75470B/xx unknown
- 1975-02-27 DE DE19752508557 patent/DE2508557A1/de active Pending
- 1975-05-14 JP JP50057879A patent/JPS51578A/ja active Pending
- 1975-06-23 FR FR7519538A patent/FR2276162A1/fr active Granted
- 1975-06-23 IL IL47541A patent/IL47541A/xx unknown
-
1976
- 1976-03-26 US US05/670,623 patent/US4107247A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| IL47541A (en) | 1978-03-10 |
| JPS51578A (oth) | 1976-01-06 |
| DE2508557A1 (de) | 1976-01-15 |
| FR2276162B1 (oth) | 1979-06-22 |
| GB1497701A (en) | 1978-01-12 |
| IL47541A0 (en) | 1975-08-31 |
| FR2276162A1 (fr) | 1976-01-23 |
| US4107247A (en) | 1978-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ZA75470B (en) | Process and apparatus for the manufacture of plastic sandwich elements | |
| GB1538869A (en) | D-homo-20-keto-pregnanes and process for their manufacture | |
| GB1501442A (en) | Moulded foams and process for producing the same | |
| IL47770A (en) | 18-methyl-19-nor-20-keto-pregnanes and process for their manufacture | |
| JPS51115446A (en) | Ppbenzoquinone diketals and process for manufacture thereof | |
| ZA75953B (en) | Thermoplastic rubbers and process for preparing same | |
| GB1519828A (en) | Process for producing diacetoxybutane and butanediol | |
| ZA755910B (en) | Granulation apparatus and process | |
| ZA755759B (en) | Polymeric isocyanates and process for making same | |
| PH12798A (en) | 8-hydroxyamino benzazocines and process | |
| GB1533991A (en) | Diacylnucleosides and process for preparing the same | |
| JPS5243896A (en) | Impacttresistant resin and process for producing same | |
| JPS51125500A (en) | Setting composite and process for producing same | |
| AU8224475A (en) | Multi-layer radiator of plastic material and process for its manufacture | |
| GB1483985A (en) | Isocyanate prepolymers and process for producing the same | |
| YU40120B (en) | Process for obtaining dimethylterephthlate and intermediates in the manufacture of dimethyletrephthalate | |
| ZA728712B (en) | Process and apparatus for the production of flat plastic structures | |
| ZA755717B (en) | Rigid foams and production thereof | |
| GB1541847A (en) | Process for the manufacture of daimond products and apparatus therefor | |
| CH613739A5 (en) | Structure and process and means for producing the same | |
| ZA739024B (en) | Process and apparatus for the manufacture of reinforcing elements | |
| IL48640A0 (en) | 1-alkyl-2-(phenoxymethyl)-5-nitroimidazoles and process for their manufacture | |
| HK27681A (en) | Polymer/polyols and process for the production thereof | |
| ZA75657B (en) | Laminate and process for the manufacture and the use thereof | |
| CA1028485A (en) | Process and apparatus for manufacturing flock |