GB1222895A - Improved extrusion die and method - Google Patents

Improved extrusion die and method

Info

Publication number
GB1222895A
GB1222895A GB21187/68A GB2118768A GB1222895A GB 1222895 A GB1222895 A GB 1222895A GB 21187/68 A GB21187/68 A GB 21187/68A GB 2118768 A GB2118768 A GB 2118768A GB 1222895 A GB1222895 A GB 1222895A
Authority
GB
United Kingdom
Prior art keywords
resin
heat
delivered
source
degradable
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
GB21187/68A
Other languages
English (en)
Inventor
Henry Lee Glass
Walter John Schrenk
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of GB1222895A publication Critical patent/GB1222895A/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
    • 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
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • 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
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB21187/68A 1967-05-05 1968-05-03 Improved extrusion die and method Expired GB1222895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63648167A 1967-05-05 1967-05-05

Publications (1)

Publication Number Publication Date
GB1222895A true GB1222895A (en) 1971-02-17

Family

ID=24552093

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21187/68A Expired GB1222895A (en) 1967-05-05 1968-05-03 Improved extrusion die and method

Country Status (8)

Country Link
US (1) US3511903A (en:Method)
JP (1) JPS498701B1 (en:Method)
BE (1) BE714633A (en:Method)
DE (1) DE1778471C3 (en:Method)
FR (1) FR1565035A (en:Method)
GB (1) GB1222895A (en:Method)
NL (1) NL160519C (en:Method)
SE (1) SE339559B (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1388405A1 (en) * 2002-08-06 2004-02-11 The Goodyear Tire & Rubber Company Process for co-extruding an alternating multi-layered rubber composite and use as a component of a tire
PL422984A1 (pl) * 2017-09-27 2019-04-08 Galas Adam Sławomir Urządzenie do mieszania i wytłaczania materiałów, zwłaszcza plastycznych

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31780E (en) * 1979-12-26 1984-12-25 The Mearl Corporation Multilayer light-reflecting film
US4310584A (en) * 1979-12-26 1982-01-12 The Mearl Corporation Multilayer light-reflecting film
US4789513A (en) * 1987-06-05 1988-12-06 P.C.E. Corp. Coextrusion apparatus and process
US4842791A (en) * 1987-06-30 1989-06-27 The Dow Chemical Company Extrusion apparatus and process for production of multilayer film containing an inner barrier layer
US4804510A (en) * 1987-06-30 1989-02-14 The Dow Chemical Company Filtering system for use in coextrusion apparatus and method of use
US5143677A (en) * 1987-12-31 1992-09-01 American National Can Company Co-extrusions methods
US5486949A (en) 1989-06-20 1996-01-23 The Dow Chemical Company Birefringent interference polarizer
DE3920774A1 (de) * 1989-06-24 1991-01-10 Ver Glaswerke Gmbh Giessvorrichtung zum giessen transparenter kunststoffschichten mit einem eingefaerbten filterband
US5882774A (en) 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
WO1995017303A1 (en) 1993-12-21 1995-06-29 Minnesota Mining And Manufacturing Company Multilayered optical film
US5976424A (en) * 1996-07-31 1999-11-02 Minnesota Mining And Manufacturing Company Method for making multilayer optical films having thin optical layers
US20010046086A1 (en) * 1998-12-23 2001-11-29 3M Innovative Properties Company Polymeric interference film
US20130147086A1 (en) * 2012-12-26 2013-06-13 John Gordon Nelson Extrusion of PVDC

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3321804A (en) * 1964-10-14 1967-05-30 Dow Chemical Co Extrusion of wide thermoplastic film and sheet
US3415920A (en) * 1965-08-19 1968-12-10 Dow Chemical Co Multilayer extrusion process
US3315306A (en) * 1965-10-15 1967-04-25 Dow Chemical Co Apparatus for the production of multilayer film
US3349437A (en) * 1965-12-08 1967-10-31 Nat Distillers Chem Corp Rotating die cap for extrusion die

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1388405A1 (en) * 2002-08-06 2004-02-11 The Goodyear Tire & Rubber Company Process for co-extruding an alternating multi-layered rubber composite and use as a component of a tire
US7198744B2 (en) 2002-08-06 2007-04-03 The Goodyear Tire & Rubber Company Preparation of co-extruded multi-layered rubber composite and use as component of a tire
PL422984A1 (pl) * 2017-09-27 2019-04-08 Galas Adam Sławomir Urządzenie do mieszania i wytłaczania materiałów, zwłaszcza plastycznych

Also Published As

Publication number Publication date
NL6806193A (en:Method) 1968-11-06
NL160519C (nl) 1979-11-15
DE1778471C3 (de) 1979-11-08
NL160519B (nl) 1979-06-15
JPS498701B1 (en:Method) 1974-02-27
FR1565035A (en:Method) 1969-04-25
US3511903A (en) 1970-05-12
SE339559B (en:Method) 1971-10-11
BE714633A (en:Method) 1968-11-04
DE1778471A1 (de) 1971-11-04
DE1778471B2 (de) 1979-03-08

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