ES484170A1 - Un metodo de fabricar articulos termoplasticos - Google Patents

Un metodo de fabricar articulos termoplasticos

Info

Publication number
ES484170A1
ES484170A1 ES484170A ES484170A ES484170A1 ES 484170 A1 ES484170 A1 ES 484170A1 ES 484170 A ES484170 A ES 484170A ES 484170 A ES484170 A ES 484170A ES 484170 A1 ES484170 A1 ES 484170A1
Authority
ES
Spain
Prior art keywords
foam articles
thermoforming
stock
thermoplastic foam
thermoformed
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
ES484170A
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.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of ES484170A1 publication Critical patent/ES484170A1/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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7132—Bowls, Cups, Glasses
    • 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
    • Y10S264/13—Cell size and distribution control while molding a foam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

Un método de fabricar artículos termoplásticos, que comprende, en secuencia, las etapas de: (I) precalentare una lámina de material de espuma de resina termoplástica; (II) sujetar el material de espuma precalentado en una posición fija; (III) deformar parcialmente el material de alimentación precalentado hacia una cavidad de conformación, (IV) mantener el material de espuma en un estado parcialmente deformado durante un intervalo de 0,1 hasta 2,0 segundos; (V) conformar completamente dicho artículo extendiendo la lámina precalentada parcialmente conformada en la cavidad de conformación.
ES484170A 1978-09-15 1979-09-14 Un metodo de fabricar articulos termoplasticos Expired ES484170A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/942,836 US4239727A (en) 1978-09-15 1978-09-15 Method and apparatus for thermoforming thermoplastic foam articles

Publications (1)

Publication Number Publication Date
ES484170A1 true ES484170A1 (es) 1980-09-01

Family

ID=25478669

Family Applications (1)

Application Number Title Priority Date Filing Date
ES484170A Expired ES484170A1 (es) 1978-09-15 1979-09-14 Un metodo de fabricar articulos termoplasticos

Country Status (7)

Country Link
US (2) US4239727A (es)
EP (1) EP0010847B1 (es)
JP (1) JPS5559920A (es)
AU (1) AU524203B2 (es)
CA (1) CA1140715A (es)
DE (1) DE2965668D1 (es)
ES (1) ES484170A1 (es)

Families Citing this family (80)

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US4371327A (en) * 1980-05-20 1983-02-01 Andre Fievez Apparatus for use in producing cup-shaped pastries
US4420300A (en) * 1980-08-13 1983-12-13 Maryland Cup Corporation Continuous rotary thermo-forming systems and apparatus of the pressure assist, plug assist and match mold type
US4421712A (en) * 1980-08-13 1983-12-20 Maryland Cup Corporation Continuously rotary thermo-forming systems and apparatus of the pressure assist, plug assist and match mold type
USRE33608E (en) * 1980-08-23 1991-06-11 Primtec Hollow stackable plastic products
US4657141A (en) * 1982-09-27 1987-04-14 Primtec Hollow stackable plastic products
US4381380A (en) * 1980-11-03 1983-04-26 Leveen Harry H Thermoplastic polyurethane article treated with iodine for antibacterial use
US4442064A (en) * 1980-11-12 1984-04-10 Mobil Oil Corporation Thermoforming and self-alignment trimming method and apparatus
US4485059A (en) * 1983-04-28 1984-11-27 Mobil Oil Corporation Polymer foam thermoformation process and apparatus therefor
US4547412A (en) * 1983-10-11 1985-10-15 Standard Oil Company (Indiana) Heating foam container in unrestricted state to increase stiffness
US4579275A (en) * 1984-01-23 1986-04-01 Standard Oil Company (Indiana) Containers
US4740342A (en) * 1986-08-15 1988-04-26 Personal Products Company Thermoforming flexible plastic foam shells
US5200133A (en) * 1986-09-17 1993-04-06 Bronzavia-Air Equipment Method for making composite material parts by stamping
US4948355A (en) * 1987-05-20 1990-08-14 The Boeing Company Hot/cold press forming apparatus for thermoformable materials
US5066351A (en) * 1987-05-20 1991-11-19 The Boeing Company Hot/cold press forming methods for shaping thermoformable materials
US5198175A (en) * 1987-12-15 1993-03-30 Toyo Seikan Kaisha Ltd. Process for producing deep-drawn plastic container
JPH01156039A (ja) * 1987-12-15 1989-06-19 Toyo Seikan Kaisha Ltd 深絞りプラスチック容器の製造方法
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US4878970A (en) * 1988-05-27 1989-11-07 Amoco Corporation Heating of a foam cup to increase stiffness
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US5362436A (en) * 1993-06-22 1994-11-08 The Dow Chemical Company Polystyrene foam sheet useful for forming deep drawn articles, a process to produce those articles, and the deep drawn articles
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DE19542717C1 (de) * 1995-11-16 1997-03-20 Bernd Friemuth Verfahren und Vorrichtung zur Herstellung von gewölbten Schalen, insbesondere Verkaufsschalen, aus Polystyrol-Schaumstoff
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US6083339A (en) 1997-12-05 2000-07-04 Transfer Flow International, Inc. Bowls comprising acrylic plastics filled with alumina trihydrate, and processes for making same
US6620281B1 (en) 1998-10-22 2003-09-16 Michael N. Sommers Method for making insulating label and wrap for beverage container
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US6261504B1 (en) * 1999-08-30 2001-07-17 Pactiv Corporation Form keys and method for thermoforming undercuts in foam parts
US7614993B2 (en) * 2001-07-20 2009-11-10 Dixie Consumer Products Llc Liquid container with uninterrupted comfort band and method of forming same
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JP3870867B2 (ja) * 2002-07-19 2007-01-24 東洋製罐株式会社 熱可塑性樹脂容器の製造方法
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US8309619B2 (en) 2004-09-03 2012-11-13 Pactiv LLC Reduced-VOC and non-VOC blowing agents for making expanded and extruded thermoplastic foams
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Also Published As

Publication number Publication date
CA1140715A (en) 1983-02-08
US4239727A (en) 1980-12-16
AU5017179A (en) 1980-03-20
DE2965668D1 (en) 1983-07-21
EP0010847B1 (en) 1983-06-15
JPS5559920A (en) 1980-05-06
JPS6332610B2 (es) 1988-06-30
EP0010847A1 (en) 1980-05-14
AU524203B2 (en) 1982-09-02
US4359160A (en) 1982-11-16

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