IT1215422B - Trafila per l'estrusione di un nastro di materia plastica del tipo termoplastico espanso. - Google Patents

Trafila per l'estrusione di un nastro di materia plastica del tipo termoplastico espanso.

Info

Publication number
IT1215422B
IT1215422B IT8720085A IT2008587A IT1215422B IT 1215422 B IT1215422 B IT 1215422B IT 8720085 A IT8720085 A IT 8720085A IT 2008587 A IT2008587 A IT 2008587A IT 1215422 B IT1215422 B IT 1215422B
Authority
IT
Italy
Prior art keywords
extrusion
plastic tape
expanded thermoplastic
thermoplastic type
type
Prior art date
Application number
IT8720085A
Other languages
English (en)
Other versions
IT8720085A0 (it
Inventor
Hans Reifenhauser
Original Assignee
Reifenhaeuser Masch
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 Reifenhaeuser Masch filed Critical Reifenhaeuser Masch
Publication of IT8720085A0 publication Critical patent/IT8720085A0/it
Application granted granted Critical
Publication of IT1215422B publication Critical patent/IT1215422B/it

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
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
    • B29C44/465—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface with adjustable die gap
    • 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
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/468—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length in a plurality of parallel streams which unite during the foaming
    • 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
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/505—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through a flat 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
    • B29C48/03—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
    • 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
    • B29C48/25—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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT8720085A 1986-05-13 1987-04-10 Trafila per l'estrusione di un nastro di materia plastica del tipo termoplastico espanso. IT1215422B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3615994 1986-05-13

Publications (2)

Publication Number Publication Date
IT8720085A0 IT8720085A0 (it) 1987-04-10
IT1215422B true IT1215422B (it) 1990-02-08

Family

ID=6300671

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8720085A IT1215422B (it) 1986-05-13 1987-04-10 Trafila per l'estrusione di un nastro di materia plastica del tipo termoplastico espanso.

Country Status (3)

Country Link
US (1) US4797083A (it)
GB (1) GB2190325B (it)
IT (1) IT1215422B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3920774A1 (de) * 1989-06-24 1991-01-10 Ver Glaswerke Gmbh Giessvorrichtung zum giessen transparenter kunststoffschichten mit einem eingefaerbten filterband
US5196207A (en) * 1992-01-27 1993-03-23 Kimberly-Clark Corporation Meltblown die head
JPH0747587A (ja) * 1993-08-06 1995-02-21 Johoku Seikosho:Kk Ｔダイ
US5674440A (en) * 1995-05-05 1997-10-07 Graham Engineering Corporation Die head with adjustable mandrel and method
US5770240A (en) * 1996-04-12 1998-06-23 Extrusion Dies, Inc. Extrusion die for rigid foam sheet
US7621737B2 (en) * 2006-07-19 2009-11-24 3M Innovative Properties Company Die with insert and gas purging method for die
EP4000856B1 (de) * 2020-11-12 2024-05-08 Promix Solutions AG Ringdüse
CN114012964B (zh) * 2021-10-19 2023-08-22 安徽森泰木塑科技地板有限公司 一种强化龙骨、制造模具及制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR94389E (fr) * 1966-09-07 1969-08-08 Ugine Kuhlmann Procédé et dispositif pour l'extrusion des matieres plastiques expansibles.
DK126094A (it) * 1966-09-07 1900-01-01
US3608145A (en) * 1969-07-15 1971-09-28 Uniroyal Inc Apparatus for making a plastic extrudate having unblown outer portion and integral blown portion
US4056344A (en) * 1970-09-01 1977-11-01 Lemelson Jerome H Apparatus for producing composite extrusions
US3792951A (en) * 1972-01-24 1974-02-19 Extrudyne Inc Apparatus for producing extruded hollow board
JPS5115070A (ja) * 1974-07-29 1976-02-06 Osawa Orimono Jugengaisha Yokoiremitsudohenkosochi
DE2739998C3 (de) * 1977-09-06 1980-04-10 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Strangpreßvorrichtung zur Herstellung von geschäumtem Kunststoff
JPS58212919A (ja) * 1982-06-07 1983-12-10 Idemitsu Petrochem Co Ltd 多層押出成形用ダイ
US4669965A (en) * 1983-09-08 1987-06-02 Kabushiki Kaisha Plastic Kogaku Kenkyusho Multi-layer extrusion die
US4655704A (en) * 1986-03-17 1987-04-07 Joseph Dekel Cooling system for a plastic extrusion calibrating tool

Also Published As

Publication number Publication date
GB2190325A (en) 1987-11-18
GB2190325B (en) 1990-02-28
IT8720085A0 (it) 1987-04-10
US4797083A (en) 1989-01-10
GB8711093D0 (en) 1987-06-17

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940427