DK160685C - Fremgangsmaade og apparat til fremstilling af opskummede legemer af termoplastisk syntetisk harpiks - Google Patents

Fremgangsmaade og apparat til fremstilling af opskummede legemer af termoplastisk syntetisk harpiks

Info

Publication number
DK160685C
DK160685C DK452483A DK452483A DK160685C DK 160685 C DK160685 C DK 160685C DK 452483 A DK452483 A DK 452483A DK 452483 A DK452483 A DK 452483A DK 160685 C DK160685 C DK 160685C
Authority
DK
Denmark
Prior art keywords
extrudate
reduced pressure
foamed
pressure zone
chamber
Prior art date
Application number
DK452483A
Other languages
English (en)
Other versions
DK452483A (da
DK160685B (da
DK452483D0 (da
Inventor
Osamu Kobayashi
Original Assignee
Kabegafuchi Kagaku Kogyo Kabus
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 Kabegafuchi Kagaku Kogyo Kabus filed Critical Kabegafuchi Kagaku Kogyo Kabus
Publication of DK452483D0 publication Critical patent/DK452483D0/da
Publication of DK452483A publication Critical patent/DK452483A/da
Publication of DK160685B publication Critical patent/DK160685B/da
Application granted granted Critical
Publication of DK160685C publication Critical patent/DK160685C/da

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
    • B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
    • B29C44/3407—Vacuum extrusion using underwater barometric leg
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • 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
    • B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
    • 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
    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit zone
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1474—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at a calibration zone
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1476—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at a conveyor
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/92009—Measured parameter
    • B29C2948/92019—Pressure
    • 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
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92428—Calibration, after-treatment, or cooling zone
    • 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
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92438—Conveying, transporting or storage of 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92514—Pressure
    • 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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone
    • 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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92933—Conveying, transporting or storage of articles
    • 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
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/06—Vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Supports For Pipes And Cables (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
DK452483A 1982-10-02 1983-09-30 Fremgangsmaade og apparat til fremstilling af opskummede legemer af termoplastisk syntetisk harpiks DK160685C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57173787A JPS5962122A (ja) 1982-10-02 1982-10-02 合成樹脂発泡体の製造方法及び装置
JP17378782 1982-10-02

Publications (4)

Publication Number Publication Date
DK452483D0 DK452483D0 (da) 1983-09-30
DK452483A DK452483A (da) 1984-04-03
DK160685B DK160685B (da) 1991-04-08
DK160685C true DK160685C (da) 1991-09-16

Family

ID=15967138

Family Applications (1)

Application Number Title Priority Date Filing Date
DK452483A DK160685C (da) 1982-10-02 1983-09-30 Fremgangsmaade og apparat til fremstilling af opskummede legemer af termoplastisk syntetisk harpiks

Country Status (13)

Country Link
US (1) US4487731A (da)
EP (1) EP0108487B1 (da)
JP (1) JPS5962122A (da)
KR (1) KR910005148B1 (da)
AT (1) ATE33364T1 (da)
CA (1) CA1213705A (da)
DE (1) DE3376203D1 (da)
DK (1) DK160685C (da)
EG (1) EG16422A (da)
ES (1) ES526163A0 (da)
FI (1) FI77808C (da)
IL (1) IL69879A (da)
NO (1) NO166070C (da)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486369A (en) * 1983-11-09 1984-12-04 Condec Corporation Controlled environment extrusion apparatus and method
DE3708291A1 (de) * 1987-03-14 1988-09-22 Basf Ag Verfahren zur herstellung von polyolefinschaumstoffen
US5281377A (en) * 1988-11-11 1994-01-25 Japan Styrene Paper Corporation Process for the production of foamed polyolefin sheets
US5120481A (en) * 1989-02-28 1992-06-09 U.C. Industries, Inc. Process for preparing extruded foam bodies
US5008051A (en) * 1989-03-01 1991-04-16 Decoursey Robert T Vacuum sizing tank with electronically controlled vacuum pressure
DE4031145C1 (da) * 1990-10-03 1991-08-29 Maschinenfabrik Hennecke Gmbh, 5090 Leverkusen, De
US5124097A (en) * 1991-02-08 1992-06-23 The Dow Chemical Company Method of providing closed-cell polyolefin foam having reduced blowing agent content to the end user
RU2106253C1 (ru) * 1991-11-14 1998-03-10 Префоам АГ Способ и машина для изготовления плит пенополиуретана
US5753161A (en) * 1996-08-14 1998-05-19 Owens-Corning Fiberglas Technology, Inc. Vacuum extrusion system and method
US6036468A (en) * 1997-08-21 2000-03-14 Owens Corning Fiberglas Technology, Inc. Vacuum extrusion system
US6093350A (en) * 1996-08-14 2000-07-25 Owens Corning Fiberglas Technology, Inc. Sealable chamber extrusion apparatus and method with process controls
US5783122A (en) * 1996-08-14 1998-07-21 Owens Corning Fiberglas Technology, Inc. Vacuum extrusion apparatus and method
EP0925900B1 (en) 1997-12-26 2003-10-08 Sumitomo Chemical Company, Limited Device for manufacturing foamed thermoplastic resin sheet
EP0925898A1 (en) 1997-12-26 1999-06-30 Sumitomo Chemical Company, Limited Foamed thermoplastic resin sheet and manufacturing method of the same
US8557884B2 (en) * 2002-05-31 2013-10-15 Owens Corning Intellectual Capital, Llc To enhance the thermal insulation of polymeric foam by reducing cell anisotropic ratio and the method for production thereof
BRPI0607377A2 (pt) * 2005-02-25 2010-03-23 Nova Chem Inc composiÇço de cimento de baixo peso, leito de estrada, artigo de construÇço painel compàsito, estrutura de concreto isolada, mÉtodo de fabricar um artigo de composiÇço de cimento de baixo peso, artigo de concreto de baixo peso e unidade estrutural de baixo peso
US8752348B2 (en) * 2005-02-25 2014-06-17 Syntheon Inc. Composite pre-formed construction articles
MX2007010381A (es) 2005-02-25 2007-12-12 Nova Chem Inc Paneles de construccion previamente formados compuestos, una construccion y un montaje de formacion de marco.
EP2364959A1 (en) 2005-03-22 2011-09-14 Nova Chemicals Inc. Lightweight concrete compositions
US7677009B2 (en) 2007-02-02 2010-03-16 Nova Chemicals Inc. Roof truss system
US20090078161A1 (en) * 2007-09-20 2009-03-26 Nova Chemicals Inc. Methods of minimizing concrete cracking and shrinkage
US8048219B2 (en) * 2007-09-20 2011-11-01 Nova Chemicals Inc. Method of placing concrete
US9790343B2 (en) 2008-06-12 2017-10-17 Avery Dennison Corporation Porous material and method for producing the same
EP2420373A3 (de) 2010-08-20 2012-06-06 Rundpack AG Verfahren zur Herstellung eines opaken Formteils
EP2888059B1 (en) 2012-08-21 2018-10-10 Avery Dennison Corporation System for making porous films, fibers, spheres, and other articles
EP2967111A1 (en) 2013-03-15 2016-01-20 Altria Client Services LLC Methods and machines for making oral products
US9085665B1 (en) 2014-12-31 2015-07-21 Vertera, Inc. Method for producing porous material
US9517593B2 (en) 2014-06-26 2016-12-13 Vertera, Inc. Apparatus and process for producing porous devices
US9498922B2 (en) 2014-06-26 2016-11-22 Vertera, Inc. Apparatus and process for producing porous devices
US9504550B2 (en) 2014-06-26 2016-11-29 Vertera, Inc. Porous devices and processes for producing same
USD815281S1 (en) 2015-06-23 2018-04-10 Vertera, Inc. Cervical interbody fusion device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857625A (en) * 1956-08-17 1958-10-28 Monsanto Chemicals Low density extruded styrene polymer foams
GB1233088A (da) * 1968-07-19 1971-05-26
BR6911030D0 (pt) * 1968-08-03 1973-01-25 Reifenhaeuser Kg Processo para fabricar em prensas de extrusao objetos por meio de materiais sinteticos termoplasticos espumados bem como dispositivo para executar este processo
DE1959575A1 (de) * 1969-11-27 1971-08-12 Chem Fab Koethen Jacobi & Co K Vorrichtung zur kontinuierlichen Herstellung stranggeformter fester Schaeume
US3798337A (en) * 1971-07-22 1974-03-19 Noel Y Co Ltd Sa Argentina De Process for the continuous manufacture of foamed sweets
US3822331A (en) * 1971-12-10 1974-07-02 Grace W R & Co Continuous process for making low density thermoplastic foam
JPS501164A (da) * 1973-05-07 1975-01-08
US3927160A (en) * 1973-07-17 1975-12-16 Cosden Oil & Chem Co Formal profile extrusion process
JPS5829328B2 (ja) * 1978-06-22 1983-06-22 帝人株式会社 ポリエステル押出発泡体の製造方法
US4199310A (en) * 1978-07-10 1980-04-22 Condec Corporation Extrusion apparatus
JPS5645928A (en) * 1979-09-21 1981-04-25 Teijin Ltd Production of polyester extruded expanded article
IT1141633B (it) * 1980-11-05 1986-10-01 Lavorazione Mat Plast Procedimento per la produzione di una lastra continua di schiuma di polimero sintetico termoplastico mediante estrusione

Also Published As

Publication number Publication date
ES8406942A1 (es) 1984-08-16
ES526163A0 (es) 1984-08-16
IL69879A (en) 1987-10-30
FI833522A0 (fi) 1983-09-29
KR910005148B1 (ko) 1991-07-23
FI77808B (fi) 1989-01-31
DK452483A (da) 1984-04-03
FI77808C (fi) 1989-05-10
EP0108487A2 (en) 1984-05-16
JPH0254215B2 (da) 1990-11-21
NO166070C (no) 1991-05-29
ATE33364T1 (de) 1988-04-15
DK160685B (da) 1991-04-08
NO833558L (no) 1984-04-03
FI833522A7 (fi) 1984-04-03
JPS5962122A (ja) 1984-04-09
US4487731A (en) 1984-12-11
DK452483D0 (da) 1983-09-30
EP0108487A3 (en) 1985-11-13
CA1213705A (en) 1986-11-12
DE3376203D1 (en) 1988-05-11
EG16422A (en) 1987-04-30
EP0108487B1 (en) 1988-04-06
IL69879A0 (en) 1983-12-30
NO166070B (no) 1991-02-18
KR840006461A (ko) 1984-11-30

Similar Documents

Publication Publication Date Title
DK160685C (da) Fremgangsmaade og apparat til fremstilling af opskummede legemer af termoplastisk syntetisk harpiks
US4524037A (en) Method and apparatus for forming a flexible thermoplastic resin foam article using an RF field
ES8600116A1 (es) Metodo y aparato para producir un producto de material plastico extruido con una forma transversal predeterminada
ES8701588A1 (es) Procedimiento de fabricar piezas huecas de materia termo- plastica mediante moldeo por soplado
ES439232A1 (es) Procedimiento para moldear articulos termoplasticos de espu-ma.
GB2271742B (en) Process for extruding low density foam using water blowing agent
KR960704695A (ko) 폐쇄된 셀을 가진 가벼운 세포형 플라스틱 제품 제조방법(process for the production of products of light cellular plastic with closed cells)
ES550254A0 (es) Un metodo mejorado para producir una espuma de poliolefina reticulada
EP0051570A3 (en) Process for the production of a continuous sheet of foamed synthetic, thermoplastic polymer by extrusion
DK159928C (da) Fremgangsmaade til fremstilling af emner af ekspanderet, tvaerbundet polyethylen med lukkede celler
ES8607105A1 (es) Una unidad para producir un cuerpo hueco por extrusion y soplado de material plastico
ES8608391A1 (es) Perfeccionamientos en los aparatos de fabricar una pieza hueca de material termoplastico mediante moldeo por soplado
GB1312486A (en) Free flow interlocking packing material of low bulk density
ATE123506T1 (de) Verfahren zur herstellung von extrudierten schaumformen.
JPS55156033A (en) Skin attached foamed blow molded article method of fabricating the same
JPS57170727A (en) Manufacture of foam molded part
JPS57197131A (en) Extrusion molding of object having strange pattern
ES327687A3 (es) Procedimiento y aparato para producir por moldeo o extrusion articulos de materiales sinteticos termoplasticos de estructura celular.
JPS60110424A (ja) 架橋発泡体の製造方法
JPS5698149A (en) Foam molding and apparatus
JPS56167416A (en) Manufacture of thermoplastic synthetic resin film having sliding characteristic
JPS5698148A (en) Method and apparauts for foam molding
JPS56130321A (en) Preparation of wide opening bottle made of synthetic resin
JPS5731538A (en) Method and apparatus for manufacturing cylindrical part
JPS58104726A (ja) 軽量装飾材およびその成形法