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MY163018A - Annular extrusion head for a uniform tubular sheath - Google Patents

Annular extrusion head for a uniform tubular sheath

Info

Publication number
MY163018A
MY163018A MYPI2013003390A MYPI2013003390A MY163018A MY 163018 A MY163018 A MY 163018A MY PI2013003390 A MYPI2013003390 A MY PI2013003390A MY PI2013003390 A MYPI2013003390 A MY PI2013003390A MY 163018 A MY163018 A MY 163018A
Authority
MY
Malaysia
Prior art keywords
extrusion head
tubular sheath
junction area
flow additive
polymer material
Prior art date
Application number
MYPI2013003390A
Inventor
Michel Paul Morand
Original Assignee
Technip France
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 Technip France filed Critical Technip France
Publication of MY163018A publication Critical patent/MY163018A/en

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
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/298—Feeding the extrusion material to the extruder in a location other than through a barrel, e.g. through a screw
    • 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
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • B29C48/327—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections with centering means
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92647—Thickness

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

THE INVENTION RELATES TO AN EXTRUSION HEAD (10) FOR FORMING A TUBULAR SHEATH. THE EXTRUSION HEAD INCLUDES AN ANNULAR CHAMBER (18) HAVING AN UPSTREAM END AND A DOWNSTREAM END (24), SAID UPSTREAM END COMPRISING AN INLET OPENING FOR INJECTING A POLYMER MATERIAL LOADED WITH A FLOW ADDITIVE, SAID ANNULAR CHAMBER (18) INCLUDING TWO CHANNELS FOR FORMING TWO CIRCUMFERENTIAL FLOWS OF POLYMER MATERIAL IN THE MOLTEN STATE, SAID CHANNELS COMBINING IN A JUNCTION AREA (48), WHEREIN THE FLOW ADDITIVE IS CONCENTRATED IN SAID JUNCTION AREA, AND THE JUNCTION OF SAID TWO FLOWS FORMS A WELD JOINT, AT WHICH THERE IS A CONCENTRATION OF FLOW ADDITIVE, IN SAID TUBULAR SHEATH. ACCORDING TO THE INVENTION, SAID ANNULAR CHAMBER INCLUDES AN EXTRACTION PIPE (52) LEADING INTO SAID JUNCTION AREA (48) IN ORDER TO ENABLE THE EXTRACTION OF A FRACTION OF SAID POLYMER MATERIAL, WHICH IS IN THE MOLTEN STATE AND WHICH HAS A CONCENTRATION OF FLOW ADDITIVE, FROM SAID JUNCTION AREA (48). (FIG.2)
MYPI2013003390A 2011-03-29 2012-03-29 Annular extrusion head for a uniform tubular sheath MY163018A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1152610A FR2973276B1 (en) 2011-03-29 2011-03-29 ANNULAR EXTRUSION HEAD FOR HOMOGENEOUS TUBULAR SHEATH

Publications (1)

Publication Number Publication Date
MY163018A true MY163018A (en) 2017-07-31

Family

ID=46017970

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2013003390A MY163018A (en) 2011-03-29 2012-03-29 Annular extrusion head for a uniform tubular sheath

Country Status (7)

Country Link
EP (1) EP2691224B1 (en)
AU (1) AU2012236040B2 (en)
BR (1) BR112013023971B1 (en)
DK (1) DK2691224T3 (en)
FR (1) FR2973276B1 (en)
MY (1) MY163018A (en)
WO (1) WO2012131264A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2459907C (en) * 2001-09-10 2012-10-23 Pirelli & C. S.P.A. Extrusion method and apparatus for producing a cable
FR2940170B1 (en) * 2008-12-23 2012-11-02 Technip France ANNULAR EXTRUSION HEAD

Also Published As

Publication number Publication date
AU2012236040B2 (en) 2016-12-01
DK2691224T3 (en) 2015-05-18
EP2691224A1 (en) 2014-02-05
BR112013023971A2 (en) 2016-12-13
AU2012236040A1 (en) 2013-10-10
FR2973276B1 (en) 2013-03-29
EP2691224B1 (en) 2015-02-18
BR112013023971B1 (en) 2020-02-04
WO2012131264A1 (en) 2012-10-04
FR2973276A1 (en) 2012-10-05

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