CA2663038A1 - Cleaning of extrusion dies - Google Patents

Cleaning of extrusion dies Download PDF

Info

Publication number
CA2663038A1
CA2663038A1 CA002663038A CA2663038A CA2663038A1 CA 2663038 A1 CA2663038 A1 CA 2663038A1 CA 002663038 A CA002663038 A CA 002663038A CA 2663038 A CA2663038 A CA 2663038A CA 2663038 A1 CA2663038 A1 CA 2663038A1
Authority
CA
Canada
Prior art keywords
wire
die
exit face
recited
extrusion
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.)
Abandoned
Application number
CA002663038A
Other languages
English (en)
French (fr)
Inventor
Jr. Pettitt Delmer Ray
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of CA2663038A1 publication Critical patent/CA2663038A1/en
Abandoned 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/272—Cleaning; Purging; Avoiding contamination of 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
    • B29C48/03—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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • 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
    • B29C48/04—Particle-shaped
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CA002663038A 2006-10-24 2007-10-22 Cleaning of extrusion dies Abandoned CA2663038A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US85392306P 2006-10-24 2006-10-24
US60/853,923 2006-10-24
PCT/US2007/022420 WO2008051515A2 (en) 2006-10-24 2007-10-22 Process and apparatus for cleaning extruder dies

Publications (1)

Publication Number Publication Date
CA2663038A1 true CA2663038A1 (en) 2008-05-02

Family

ID=39264512

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002663038A Abandoned CA2663038A1 (en) 2006-10-24 2007-10-22 Cleaning of extrusion dies

Country Status (5)

Country Link
US (1) US8297964B2 (enExample)
EP (1) EP2086742B1 (enExample)
JP (1) JP5298024B2 (enExample)
CA (1) CA2663038A1 (enExample)
WO (1) WO2008051515A2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2011370335B2 (en) * 2011-06-07 2016-07-07 Mauser-Werke Gmbh Method and device for cleaning an extrusion head
JP6308789B2 (ja) * 2014-01-29 2018-04-11 兵神装備株式会社 ノズル、塗布装置、及び流動物の塗布方法
US11065817B2 (en) 2018-08-14 2021-07-20 Massivit 3D Printing Technologies Ltd. Extrusion orifice cleaning
US20240367363A1 (en) 2021-07-27 2024-11-07 Exxonmobil Chemical Patents Inc. Systems and Methods of Cleaning Extruders

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3301875B2 (ja) * 1994-11-28 2002-07-15 三菱化学株式会社 ストランド成形機のダイプレート清浄装置
JP3699539B2 (ja) * 1996-07-11 2005-09-28 東芝機械株式会社 押出成形用ｔダイ
US6164948A (en) * 1998-05-08 2000-12-26 Kimberly-Clark Worldwide, Inc. Extrusion die system with removable insert
JP2000025089A (ja) * 1998-07-13 2000-01-25 Sumitomo Heavy Ind Ltd Ｔダイ装置のリップ下面清掃装置
US7074030B2 (en) 2002-09-23 2006-07-11 Extrusion Dies Industries, Llc. Scraping assembly for an extrusion die and method of use therefor
ITBO20020683A1 (it) * 2002-10-31 2004-05-01 Sacmi Dispositivo per il prelievo di dosi di materiale plastico da un estrusore

Also Published As

Publication number Publication date
JP5298024B2 (ja) 2013-09-25
EP2086742A2 (en) 2009-08-12
US20080099940A1 (en) 2008-05-01
WO2008051515A3 (en) 2008-06-19
WO2008051515A2 (en) 2008-05-02
US8297964B2 (en) 2012-10-30
JP2010507512A (ja) 2010-03-11
EP2086742B1 (en) 2012-06-13

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20131022