ES267042A1 - Un procedimiento para producir un articulo hueco de material plastico organico y equipo para realizar el procedimiento - Google Patents

Un procedimiento para producir un articulo hueco de material plastico organico y equipo para realizar el procedimiento

Info

Publication number
ES267042A1
ES267042A1 ES0267042A ES267042A ES267042A1 ES 267042 A1 ES267042 A1 ES 267042A1 ES 0267042 A ES0267042 A ES 0267042A ES 267042 A ES267042 A ES 267042A ES 267042 A1 ES267042 A1 ES 267042A1
Authority
ES
Spain
Prior art keywords
shape
mold
core
normal working
temperature
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
ES0267042A
Other languages
English (en)
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.)
Primerica Inc
Original Assignee
American Can 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 American Can Co filed Critical American Can Co
Publication of ES267042A1 publication Critical patent/ES267042A1/es
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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
    • B29C2949/0724—Preforms or parisons characterised by their configuration having variable wall thickness at body portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
    • B29C2949/0733—Preforms or parisons characterised by their configuration having variable diameter at body portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/0769—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the lip, i.e. very top of preform neck
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
    • B29C2949/0772—Closure retaining means
    • B29C2949/0773—Threads
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/078—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the bottom
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/22—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at neck portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/24—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at flange portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/26—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at body portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/28—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at bottom portion
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/33—Blow-molding articles of nonuniform thickness

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
ES0267042A 1960-05-02 1961-04-29 Un procedimiento para producir un articulo hueco de material plastico organico y equipo para realizar el procedimiento Expired ES267042A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2601460 US3137748A (en) 1960-05-02 1960-05-02 Hollow plastic article and process of making

Publications (1)

Publication Number Publication Date
ES267042A1 true ES267042A1 (es) 1961-08-01

Family

ID=21829354

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0267042A Expired ES267042A1 (es) 1960-05-02 1961-04-29 Un procedimiento para producir un articulo hueco de material plastico organico y equipo para realizar el procedimiento

Country Status (6)

Country Link
US (1) US3137748A (es)
CH (1) CH370231A (es)
ES (1) ES267042A1 (es)
FR (1) FR1293206A (es)
GB (1) GB989179A (es)
NL (1) NL264149A (es)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341644A (en) * 1959-07-29 1967-09-12 Flair Plastics Corp Process for producing plastic containers
US3244778A (en) * 1961-10-17 1966-04-05 Owens Illinois Glass Co Method of and apparatus for making plastic article
US3267184A (en) * 1963-12-04 1966-08-16 Owens Illinois Inc Method and apparatus for molding plastic articles
US3441982A (en) * 1965-11-09 1969-05-06 Toshiba Machine Co Ltd Apparatus for injection blow moulding
US3349155A (en) * 1966-11-22 1967-10-24 Emery I Valyi Method and apparatus for molding plastic bottles
US3881854A (en) * 1973-05-10 1975-05-06 Rainville Company Inc Molding apparatus with neck-gated mold
US3978182A (en) * 1973-12-26 1976-08-31 Mobil Oil Corporation Method for extruding a polystyrene foam with variations in mass concentration across the sheet and thermoforming the sheet
US4024975A (en) * 1974-09-16 1977-05-24 Owens-Illinois, Inc. Reinforced bottle
US4083903A (en) * 1974-10-18 1978-04-11 California Injection Molding Co., Inc. Method for molding elongated thin wall articles
FR2321994A1 (fr) * 1975-08-27 1977-03-25 Plastique Ste Nle Appareil perfectionne pour une fabrication de corps creux, par soufflage de paraisons en matiere plastique
US4054630A (en) * 1976-01-22 1977-10-18 American Can Company Hot pin parison injection molding technique
US4042657A (en) * 1976-02-20 1977-08-16 E. I. Du Pont De Nemours And Company Process for the automatic inspection of blow-molded articles
GB2010734B (en) * 1977-12-23 1982-06-16 Emhart Ind Method and apparatus for making plastic bottles
US4176153A (en) * 1978-02-10 1979-11-27 Automatic Liquid Packaging, Inc. Unitary, hermetically-sealed but pierceable dispensing container
JPS594292B2 (ja) * 1978-09-28 1984-01-28 固 青木 偏平容器の射出吹込成形方法
GB2034663B (en) * 1978-11-07 1983-09-01 Yoshino Kogyosho Co Ltd Synthetic resin thin-walled bottle
JPS5579239A (en) * 1978-12-13 1980-06-14 Yoshino Kogyosho Co Ltd Innprocess material for making bottole of twooaxissextended synthetic resin and method of using said material
US4358420A (en) * 1979-11-13 1982-11-09 Beckman Instruments, Inc. Method of making a thin wall centrifuge tube with improved polymer properties
US4525401A (en) * 1979-11-30 1985-06-25 The Continental Group, Inc. Plastic container with internal rib reinforced bottom
US4977005A (en) * 1979-11-27 1990-12-11 The Continental Group, Inc. Ribbed preform for use in the blow molding of a plastic material container
US4334627A (en) * 1979-11-27 1982-06-15 The Continental Group, Inc. Blow molded plastic bottle
US4997692A (en) * 1982-01-29 1991-03-05 Yoshino Kogyosho Co., Ltd. Synthetic resin made thin-walled bottle
CA1333181C (en) * 1985-01-10 1994-11-22 Hidemi Sugiura Plastic boots and method of manufacturing the same
US4780257A (en) * 1987-05-29 1988-10-25 Devtech, Inc. One piece self-standing blow molded plastic bottles
US4927679A (en) * 1987-05-29 1990-05-22 Devtech, Inc. Preform for a monobase container
US4889752A (en) * 1987-05-29 1989-12-26 Devtech, Inc. One piece self-standing blow molded plastic containers
US4959006A (en) * 1989-10-11 1990-09-25 Fmt Holdings, Incorporated Apparatus relating to a preform with geodesic reinforcement ring
US5067891A (en) * 1989-11-20 1991-11-26 Sunbeam Plastics Corporation Injection blow molding apparatus
US5061173A (en) * 1989-11-20 1991-10-29 Sunbeam Plastics Corporation Injection-blow molding apparatus including circumferentially continuous injection molds, blow molds and shoulder forming sleeves
US4978015A (en) * 1990-01-10 1990-12-18 North American Container, Inc. Plastic container for pressurized fluids
US5066528A (en) * 1990-03-05 1991-11-19 Continental Pet Technologies, Inc. Refillable polyester container and preform for forming the same
US5104706A (en) * 1990-03-15 1992-04-14 Continental Pet Technologies, Inc. Preform for hot fill pressure container
US5101990A (en) * 1990-03-23 1992-04-07 Continental Pet Technologies, Inc. Stretch blow molded oblong or oval container
BE1006399A7 (nl) * 1993-09-27 1994-08-16 Resilux Afsluitinrichting.
GB9417516D0 (en) * 1994-08-31 1994-10-19 Britton Charles J Blow moulded plastic bottles
US5582957A (en) * 1995-03-28 1996-12-10 Eastman Kodak Company Resuspension optimization for photographic nanosuspensions
DE19645263A1 (de) * 1996-11-02 1998-05-07 Tetra Laval Holdings & Finance Fließmittelpackung mit aseptisch dichtem Schnappdeckel und Vorformling zur Herstellung dieser Packung
US20040232102A1 (en) * 1996-11-18 2004-11-25 Gardner William A. Systems, devices and methods for opening a bottle sealed with a stopper and for sealing a bottle
JP4687855B2 (ja) * 2001-06-29 2011-05-25 株式会社青木固研究所 小型偏平容器用プリフォーム及び小型偏平容器
US20060191860A1 (en) * 2005-02-25 2006-08-31 Eisenbarth Mark J Plastic bottle for vending machines
DE102007002133A1 (de) * 2006-09-01 2008-03-06 Strecktech Ag Verfahren zur Herstellung von tubenartigen Körpern sowie Vorformling und Vorrichtung zur Herstellung von Vorformlingen für tubenartige Körper
US7897222B2 (en) 2007-12-14 2011-03-01 Husky Injection Molding Systems Ltd. Preform and a mold stack for producing the preform
AT510506B1 (de) * 2010-09-22 2013-01-15 Red Bull Gmbh Bodenkonstruktion für eine kunststoffflasche
US8562334B2 (en) 2010-11-22 2013-10-22 R&D Tool & Engineering Co. Injection blow molding system with enhanced parison neck mold configuration
US8877117B2 (en) 2010-11-22 2014-11-04 R&D Tool & Engineering Co. Injection blow molding system with enhanced parison temperature control
US8512028B2 (en) 2010-11-22 2013-08-20 R&D Tool & Engineering Co. Injection blow molding system with enhanced supply of heat transfer fluid to parison molds
US9132581B2 (en) 2010-11-22 2015-09-15 R&D Tools & Engineering Co. Injection blow molding system with enhanced parison mold configuration
US8523556B2 (en) 2010-11-22 2013-09-03 R&D Tool & Engineering Co. Injection blow molding system with enhanced parison body mold configuration
US8512625B2 (en) 2010-11-22 2013-08-20 R&D Tool & Engineering Co. Injection blow molding system with enhanced heat transfer channel configuration
CN108290340B (zh) 2015-11-27 2020-05-22 日精Asb机械株式会社 预成型坯和容器的制造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2315478A (en) * 1938-09-16 1943-03-30 Monsanto Chemicals Method of producing plastic containers
FR882497A (fr) * 1941-05-15 1943-06-04 Perfectionnements à la fabrication de corps creux en matières plastiques et analogues
US2810934A (en) * 1950-09-06 1957-10-29 Plax Corp Method of making plastic bottles
US2632202A (en) * 1950-10-19 1953-03-24 Injection Molding Company Machine for and method of forming hollow plastic articles
US2657431A (en) * 1951-02-08 1953-11-03 Extruded Plastics Inc Method of making plastic articles
FR1046602A (fr) * 1951-05-31 1953-12-08 Plasticomnium Procédé de fabrication de récipients en matière plastique
US2715751A (en) * 1951-10-20 1955-08-23 Owens Illinois Glass Co Method and apparatus for forming articles from plastic material
BE523971A (es) * 1953-08-29
US2789312A (en) * 1953-10-21 1957-04-23 T C Wheaton Company Apparatus for making hollow articles of thermoplastic material
US2876818A (en) * 1955-10-28 1959-03-10 Smith Kline French Lab Polyethylene bottle
US2852054A (en) * 1956-11-23 1958-09-16 Motley Murat Brunson Container and closure therefor
US2953817A (en) * 1957-07-01 1960-09-27 Owens Illinois Glass Co Method of forming plastic containers
US3001239A (en) * 1958-11-28 1961-09-26 Owens Illinois Glass Co Method for blowing parisons

Also Published As

Publication number Publication date
NL264149A (es) 1900-01-01
CH370231A (fr) 1963-06-30
FR1293206A (fr) 1962-05-11
US3137748A (en) 1964-06-16
GB989179A (en) 1965-04-14

Similar Documents

Publication Publication Date Title
ES267042A1 (es) Un procedimiento para producir un articulo hueco de material plastico organico y equipo para realizar el procedimiento
ES8501302A1 (es) Prensa de moldeo para moldear piezas preformadas de dos capas en una maquina de moldeo por inyeccion
ES8102512A1 (es) Procedimiento de fabricacion de una llanta de velociclo o ciclomotor
GB921465A (en) Improvements in and relating to the molding of hollow plastic articles
GB1250051A (en) Injection molding apparatus
ES463936A1 (es) Un procedimiento y un aparato para moldear biaxialmente por soplado articulos de plastico huecos.
GB1051892A (es)
GB882788A (en) Process and apparatus for manufacturing bottles and the like neck-provided articles from thermoplastic material
CN207059114U (zh) 一种汽车消音管成型模具
GB1114304A (en) Method and device for forming a hollow plastic article
FR2594742B1 (fr) Procede et dispositif pour mouler par injection des preformes tubulaires en matiere thermoplastique
GB1060399A (en) Method and apparatus of manufacturing a hollow moulded article
ES8104059A1 (es) Un procedimiento con su dispositivo correspondiente para el moldeo por inyeccion de articulos plasticos huecos
ES445530A1 (es) Un procedimiento para la produccion de cuerpos huecos orien-tados de materia plastica.
JPS5537335A (en) 2 layer parisons molding method in injection blast molding
GB1276546A (en) Mold core construction for injection molding machines
US3651203A (en) Process for the manufacture of solid parts from thermo-plastic material
ES372732A1 (es) Metodo para el moldeo por inyeccion de articulos de mate- rial esponjoso.
ES259147A1 (es) Una maquina perfeccionada para la producciën de cuerpos huecos de materia termoplastica
ES324148A1 (es) Un metodo de fabricacion de objetos huecos de material plastico organico moldeable.
GB1106567A (en) Improvements in method and apparatus for forming hollow plastic articles
GB809534A (en) Improvements relating to the forming of hollow plastic articles
ES295270A1 (es) Un procedimiento para la fabricaciën de frascos de materia plastica por extrusiën e insuflado
GB1156071A (en) Apparatus and method for Polymer Molding and Orientation and articles formed therefrom
ES328345A1 (es) Un aparato para la fabricacion de objetos huecos de material plastico organico moldeable.