GB1497701A - Method of and apparatus for making sandwich-like plastics elements - Google Patents

Method of and apparatus for making sandwich-like plastics elements

Info

Publication number
GB1497701A
GB1497701A GB2713/75A GB271375A GB1497701A GB 1497701 A GB1497701 A GB 1497701A GB 2713/75 A GB2713/75 A GB 2713/75A GB 271375 A GB271375 A GB 271375A GB 1497701 A GB1497701 A GB 1497701A
Authority
GB
United Kingdom
Prior art keywords
passage
polyethylene
inlet
extruded
cellular
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
Application number
GB2713/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB1497701A publication Critical patent/GB1497701A/en
Expired legal-status Critical Current

Links

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)
GB2713/75A 1974-06-24 1975-01-22 Method of and apparatus for making sandwich-like plastics elements Expired GB1497701A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48243374A 1974-06-24 1974-06-24

Publications (1)

Publication Number Publication Date
GB1497701A true GB1497701A (en) 1978-01-12

Family

ID=23916052

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2713/75A Expired GB1497701A (en) 1974-06-24 1975-01-22 Method of and apparatus for making sandwich-like plastics elements

Country Status (7)

Country Link
US (1) US4107247A (2)
JP (1) JPS51578A (2)
DE (1) DE2508557A1 (2)
FR (1) FR2276162A1 (2)
GB (1) GB1497701A (2)
IL (1) IL47541A (2)
ZA (1) ZA75470B (2)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
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
US5443885A (en) * 1993-04-08 1995-08-22 Wilson; Roger D. Floor and countertop protector pad
AU6558594A (en) * 1993-04-08 1994-11-08 Roger D. Wilson 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
WO2006096188A2 (en) * 2004-05-12 2006-09-14 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
EP1790583B1 (en) * 2004-08-11 2013-04-10 Toyo Seikan Kaisha, Ltd. Biodegradable cap having excellent uncapping properties and vessel 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
MX2010013929A (es) * 2008-06-20 2011-01-21 Procter & Gamble Envase de pelicula en espuma.
USD780480S1 (en) 2013-02-25 2017-03-07 Precision Coating Innovations, L.L.C. Low profile blind head rail
US9303451B2 (en) 2013-02-25 2016-04-05 Precision Coating Innovations, Llc System for pivoting a blind slat
WO2020053826A1 (en) 2018-09-13 2020-03-19 3M Innovative Properties Company Foam compositions and methods of making same
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)

* Cited by examiner, † Cited by third party
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 (2) * 1971-09-23 1973-06-12
DE2507274A1 (de) * 1975-02-20 1976-09-09 Bayer Ag Laminate aus polyaethylenschaum mit anisotroper porenstruktur

Also Published As

Publication number Publication date
FR2276162A1 (fr) 1976-01-23
IL47541A0 (en) 1975-08-31
US4107247A (en) 1978-08-15
ZA75470B (en) 1976-01-28
FR2276162B1 (2) 1979-06-22
DE2508557A1 (de) 1976-01-15
IL47541A (en) 1978-03-10
JPS51578A (2) 1976-01-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19950121