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BR7802446A - Processo para a producao de corpos ocos de material sintetico termoplastico - Google Patents

Processo para a producao de corpos ocos de material sintetico termoplastico

Info

Publication number
BR7802446A
BR7802446A BR7802446A BR7802446A BR7802446A BR 7802446 A BR7802446 A BR 7802446A BR 7802446 A BR7802446 A BR 7802446A BR 7802446 A BR7802446 A BR 7802446A BR 7802446 A BR7802446 A BR 7802446A
Authority
BR
Brazil
Prior art keywords
production
synthetic material
hollow bodies
thermoplastic synthetic
thermoplastic
Prior art date
Application number
BR7802446A
Other languages
English (en)
Inventor
A Glaser
F Gittner
C Kotke
Original Assignee
Bekum Maschf Gmbh
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 Bekum Maschf Gmbh filed Critical Bekum Maschf Gmbh
Publication of BR7802446A publication Critical patent/BR7802446A/pt

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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/54—Moulds for undercut articles
    • B29C49/541—Moulds for undercut articles having a recessed undersurface
    • 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
    • B29C49/08—Biaxial stretching during 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C2049/4856—Mounting, exchanging or centering moulds or parts thereof
    • B29C2049/4858—Exchanging mould parts, e.g. for changing the mould size or geometry for making different products in the same mould
    • 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C2049/4879—Moulds characterised by mould configurations
    • B29C2049/4892—Mould halves consisting of an independent main and bottom part
    • 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/58—Blowing means
    • B29C2049/5841—Plural independent blowing paths
    • 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
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C49/5612—Opening, closing or clamping means characterised by bottom part movement
    • 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
    • Y10S264/90—Direct application of fluid pressure differential to shape, reshape, i.e. distort, or sustain an article or preform and heat-setting, i.e. crystallizing of stretched or molecularly oriented portion thereof
    • Y10S264/905—Direct application of fluid pressure differential to shape, reshape, i.e. distort, or sustain an article or preform and heat-setting, i.e. crystallizing of stretched or molecularly oriented portion thereof having plural, distinct differential fluid pressure shaping steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
BR7802446A 1977-04-20 1978-04-19 Processo para a producao de corpos ocos de material sintetico termoplastico BR7802446A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772717365 DE2717365A1 (de) 1977-04-20 1977-04-20 Verfahren zur herstellung von hohlkoerpern aus thermoplastischem kunststoff

Publications (1)

Publication Number Publication Date
BR7802446A true BR7802446A (pt) 1978-12-05

Family

ID=6006710

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7802446A BR7802446A (pt) 1977-04-20 1978-04-19 Processo para a producao de corpos ocos de material sintetico termoplastico

Country Status (10)

Country Link
US (1) US4177239A (pt)
JP (1) JPS53132064A (pt)
AU (1) AU515528B2 (pt)
BR (1) BR7802446A (pt)
CA (1) CA1090519A (pt)
DE (1) DE2717365A1 (pt)
ES (1) ES468946A1 (pt)
FR (1) FR2387757A1 (pt)
GB (1) GB1598496A (pt)
IT (1) IT1094415B (pt)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1150918A (en) * 1978-12-04 1983-08-02 Grant W. Cheney Hollow, shaped article and method and apparatus for making such an article
NL8102376A (nl) * 1980-05-29 1981-12-16 Plm Ab Werkwijze en inrichting voor het vormen van een houder.
FR2484324A1 (fr) * 1980-06-13 1981-12-18 Rhone Poulenc Ind Procede pour la fabrication de profiles tubulaires rigides a parois minces
US4333905A (en) * 1980-10-15 1982-06-08 Bomatic, Inc. Method for blowmolding a container
US4457688A (en) * 1981-05-07 1984-07-03 Cincinnati Milacron Inc. External center pin for blow molding machine
US4465199A (en) * 1981-06-22 1984-08-14 Katashi Aoki Pressure resisting plastic bottle
SE428775B (sv) * 1981-11-26 1983-07-25 Plm Ab Behallare samt sett och anordning for att framstella en sadan
SE448967B (sv) * 1983-03-10 1987-03-30 Petainer Sa Sett och anordning for tillverkning av termoplastbehallare
FR2595294B1 (fr) * 1986-03-04 1988-07-08 Sidel Sa Procede et installation pour fabriquer des recipients, tels que des bouteilles, en polyethyleneterephtalate, resistant a des conditions thermiques relativement severes au cours de leur utilisation
US4889752A (en) * 1987-05-29 1989-12-26 Devtech, Inc. One piece self-standing blow molded plastic containers
US4927679A (en) * 1987-05-29 1990-05-22 Devtech, Inc. Preform for a monobase container
US4780257A (en) * 1987-05-29 1988-10-25 Devtech, Inc. One piece self-standing blow molded plastic bottles
US5122325A (en) * 1988-02-19 1992-06-16 Broadway Companies, Inc. Method of blow molding a plastic container having an integrated single thickness skirt of bi-axially oriented PET
DE3815193A1 (de) * 1988-05-04 1989-11-16 Krupp Corpoplast Masch Verfahren und vorrichtung zum blasformen eines hohlkoerpers aus thermoplastischem kunststoff
DE3827043A1 (de) * 1988-08-10 1990-12-06 Nissei Asb Machine Co Ltd Verfahren und vorrichtung zum verformen eines erhitzten vorformlings
US6093364A (en) * 1989-03-08 2000-07-25 Fortex, Inc. Method for producing a biaxially oriented open-ended container
US5328655A (en) * 1989-03-08 1994-07-12 Fortex, Inc. Method and apparatus for the manufacture of shaped products of biaxially oriented polymeric material
US5472660A (en) * 1989-03-08 1995-12-05 Fortex, Inc. Method for the manufacture of shaped products of biaxially oriented polymeric material
US5352402A (en) * 1989-10-23 1994-10-04 Nissei Asb Machine Co., Ltd. Method and apparatus for manufacturing biaxially oriented, thermally stable, blown containers
US4978015A (en) * 1990-01-10 1990-12-18 North American Container, Inc. Plastic container for pressurized fluids
US5169705A (en) * 1991-02-14 1992-12-08 Husky Injection Molding Systems Ltd. Servo electric driven stretch rods for blow molding machine
JPH0813498B2 (ja) * 1992-02-29 1996-02-14 日精エー・エス・ビー機械株式会社 耐熱性容器の成形方法
US5474735A (en) * 1993-09-24 1995-12-12 Continental Pet Technologies, Inc. Pulse blow method for forming container with enhanced thermal stability
JP3294019B2 (ja) * 1994-09-26 2002-06-17 株式会社青木固研究所 大型容器の延伸吹込成形方法
PE24697A1 (es) * 1995-03-29 1997-09-01 Continental Pet Technologies Envase presurizado para rellenar resistente al resquebrajamiento del bebedero, preforma y metodo para fabricarlos
US6277321B1 (en) * 1998-04-09 2001-08-21 Schmalbach-Lubeca Ag Method of forming wide-mouth, heat-set, pinch-grip containers
US7543713B2 (en) 2001-04-19 2009-06-09 Graham Packaging Company L.P. Multi-functional base for a plastic, wide-mouth, blow-molded container
JP4314794B2 (ja) * 2002-08-20 2009-08-19 東洋製罐株式会社 二軸延伸ポリエステル容器の製造方法
NZ545528A (en) 2003-07-30 2008-11-28 Graham Packaging Co Container handling system for plastic containers with projections extending from the bottom, filled with hot liquids
JP2007513017A (ja) 2003-11-10 2007-05-24 インフレイト エルエルシー 容器を加圧するための方法及び装置
US20050161866A1 (en) * 2004-01-23 2005-07-28 Rajnish Batlaw Process of making two-stage injection stretch blow molded polypropylene articles
US20050249905A1 (en) * 2004-01-23 2005-11-10 Jiannong Xu Polyolefin container having certain shrink characteristics and method of making such containers
US20050173844A1 (en) * 2004-01-23 2005-08-11 Bernard Vermeersch Process of making preform articles and polypropylene molded containers from preform articles using injection stretch blow molding techniques
US7563403B2 (en) * 2004-07-02 2009-07-21 Graham Packaging Pet Technologies, Inc. Method of reheat blow molding a container
PE20061467A1 (es) * 2005-04-15 2007-03-09 Graham Packaging Co Sistema y metodo para fabricar recipientes moldeados por soplido con optima distribucion plastica
US8017065B2 (en) 2006-04-07 2011-09-13 Graham Packaging Company L.P. System and method for forming a container having a grip region
US20080038500A1 (en) * 2006-02-16 2008-02-14 Page Richard D Stretch-blow molded polypropylene article
US9707711B2 (en) 2006-04-07 2017-07-18 Graham Packaging Company, L.P. Container having outwardly blown, invertible deep-set grips
US8747727B2 (en) 2006-04-07 2014-06-10 Graham Packaging Company L.P. Method of forming container
US7914726B2 (en) * 2006-04-13 2011-03-29 Amcor Limited Liquid or hydraulic blow molding
US8573964B2 (en) * 2006-04-13 2013-11-05 Amcor Limited Liquid or hydraulic blow molding
JP5127243B2 (ja) * 2007-01-23 2013-01-23 北海製罐株式会社 ブロー成形ボトル用プリフォーム
JP5140847B2 (ja) * 2007-04-02 2013-02-13 北海製罐株式会社 合成樹脂製ボトルの製造方法
US8017064B2 (en) 2007-12-06 2011-09-13 Amcor Limited Liquid or hydraulic blow molding
US8627944B2 (en) 2008-07-23 2014-01-14 Graham Packaging Company L.P. System, apparatus, and method for conveying a plurality of containers
FR2938464B1 (fr) * 2008-11-19 2013-01-04 Sidel Participations Moule pour le soufflage de recipients a fond renforce.
US8636944B2 (en) * 2008-12-08 2014-01-28 Graham Packaging Company L.P. Method of making plastic container having a deep-inset base
US8047388B2 (en) * 2008-12-08 2011-11-01 Graham Packaging Company, L.P. Plastic container having a deep-inset base
US7926243B2 (en) 2009-01-06 2011-04-19 Graham Packaging Company, L.P. Method and system for handling containers
US9051098B2 (en) * 2009-10-19 2015-06-09 Inoflate, Llc Method for pressurizing containers with nitrogen
US8828308B2 (en) * 2010-09-13 2014-09-09 Amcor Limited Hydroblow preform design
US8721315B2 (en) 2010-09-13 2014-05-13 Amcor Limited Method of handling liquid to prevent machine contamination during filling
US8834778B2 (en) 2010-09-13 2014-09-16 Amcor Limited Mold delay for increased pressure for forming container
US8968636B2 (en) 2010-10-15 2015-03-03 Discma Ag Stretch rod system for liquid or hydraulic blow molding
US9314955B2 (en) 2010-10-15 2016-04-19 Discma Ag Use of optimized piston member for generating peak liquid pressure
US8714964B2 (en) 2010-10-15 2014-05-06 Amcor Limited Blow nozzle to control liquid flow with pre-stretch rod assembly
US8962114B2 (en) 2010-10-30 2015-02-24 Graham Packaging Company, L.P. Compression molded preform for forming invertible base hot-fill container, and systems and methods thereof
US8991628B2 (en) 2010-11-12 2015-03-31 Graham Packaging Company, L.P. Hot-fill jar base
DE102010062424B4 (de) * 2010-12-03 2023-10-05 Krones Aktiengesellschaft Verfahren zum Streckblasen und Streckblasmaschine
BR112013020908B8 (pt) 2011-02-15 2023-02-14 Amcor Ltd Dispositivo de moldagem para formar um recipiente de plástico a partir de uma pré-forma
JP6114199B2 (ja) 2011-02-16 2017-04-12 アムコー リミテッド 容器プリフォームから容器を形成する装置
WO2012135295A2 (en) 2011-03-29 2012-10-04 Amcor Limited Method of forming a container
US9193495B2 (en) * 2011-04-15 2015-11-24 Pretium Packaging, L.L.C. Blow mold tool with retractable base portion
FR2975331B1 (fr) * 2011-05-19 2014-03-07 Sidel Participations Procede d'etirage soufflage d'un recipient, comprenant une retraction de la tige d'etirage au cours d'une operation de boxage
US9044887B2 (en) 2011-05-27 2015-06-02 Discma Ag Method of forming a container
EP2697121B1 (en) 2011-06-09 2016-12-07 Discma AG Csd cooling and pressurization to keep co2 in solution during forming
EP2694271B1 (en) 2011-06-09 2015-10-21 Discma AG System
US9150320B2 (en) 2011-08-15 2015-10-06 Graham Packaging Company, L.P. Plastic containers having base configurations with up-stand walls having a plurality of rings, and systems, methods, and base molds thereof
US9994378B2 (en) 2011-08-15 2018-06-12 Graham Packaging Company, L.P. Plastic containers, base configurations for plastic containers, and systems, methods, and base molds thereof
US8919587B2 (en) 2011-10-03 2014-12-30 Graham Packaging Company, L.P. Plastic container with angular vacuum panel and method of same
WO2013063453A1 (en) 2011-10-27 2013-05-02 Amcor Limited Method and apparatus for forming and filling a container
US9802375B2 (en) 2011-10-27 2017-10-31 Discma Ag Counter stretch connecting rod and positive fill level control rod
EP2780147B1 (en) * 2011-11-15 2016-10-19 Amcor Limited Container formed via plural blow molding
CA2855130C (en) * 2011-11-15 2019-11-26 Amcor Limited Plural blow utilization of counter stretch rod and/or base pushup
EP2794230B1 (en) 2011-12-21 2018-05-09 Discma AG Molding machine comprising a sealing system, and related molding method
US9221223B2 (en) 2011-12-22 2015-12-29 Discma Ag Apparatus and method for controlling temperature gradient through wall thickness of container
WO2014032730A1 (en) * 2012-08-31 2014-03-06 Sa Des Eaux Minerales D'evian Saeme Bottle, method of making the same and use of fdca and diol monomers in such bottle
BR112015004490B1 (pt) * 2012-08-31 2021-11-16 Societe Anonyme Des Eaux Minerales D'evian Et En Abrégé S.A.E.M.E. Método de fabricação de uma garrafa
FR2998206B1 (fr) * 2012-11-19 2015-01-16 Sidel Participations Procede de fabrication de recipients, comprenant une operation retardee de boxage
FR2998207B1 (fr) * 2012-11-20 2015-01-16 Sidel Participations Procede d'etirage soufflage d'un recipient, comprenant une mesure du deplacement de la tige d'etirage au cours d'une operation de boxage
JP6079288B2 (ja) * 2013-02-15 2017-02-15 東洋製罐株式会社 合成樹脂製容器の製造方法
US9022776B2 (en) 2013-03-15 2015-05-05 Graham Packaging Company, L.P. Deep grip mechanism within blow mold hanger and related methods and bottles
US9254937B2 (en) 2013-03-15 2016-02-09 Graham Packaging Company, L.P. Deep grip mechanism for blow mold and related methods and bottles
CN105307940B (zh) * 2013-06-24 2017-05-03 帝斯克玛股份有限公司 通过施加由拉伸杆控制的压力分布来形成容器的方法
JP6632872B2 (ja) * 2015-11-27 2020-01-22 株式会社吉野工業所 液体ブロー成形方法
FR3070894B1 (fr) * 2017-09-08 2020-09-11 Sidel Participations Moule pour recipient, comprenant un fond de moule muni d'un puits central, et une tige d'etirage a extremite hemispherique
USD989134S1 (en) 2019-07-09 2023-06-13 Pretium Packaging, L.L.C. Tooling for a blow molding apparatus
DE102020113013A1 (de) * 2020-05-13 2021-11-18 Volker Till Blasform und -Verfahren zur Herstellung von Kunststoffflaschen unterschiedlicher Volumina
CA3201346A1 (en) * 2020-12-10 2022-06-16 Amcor Rigid Packaging Usa, Llc Container base with deep inset recesses

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865530A (en) * 1971-08-18 1975-02-11 Jesselallee Pressure control during blow-moulding
US4035455A (en) * 1972-05-08 1977-07-12 Heindenreich & Harbeck Method for blow molding a hollow plastic article having a concave base
DE2222535C3 (de) * 1972-05-08 1979-10-18 Heidenreich & Harbeck Zweigniederlassung Der Gildemeister Ag, 2000 Hamburg Verfahren und Vorrichtung zum Steuern der Einwärtsbewegung eines Stempels einer Blasform beim Herstellen eines Hohlkörpers
US3865531A (en) * 1973-03-16 1975-02-11 Beloit Corp Blow molds for making containers having recessed bottoms
US3936260A (en) * 1974-10-04 1976-02-03 Farrell Patent Company Apparatus and method for making blow molded containers with high length to diameter ratio
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

Also Published As

Publication number Publication date
ES468946A1 (es) 1978-12-01
IT7822461A0 (it) 1978-04-19
US4177239A (en) 1979-12-04
IT1094415B (it) 1985-08-02
FR2387757A1 (fr) 1978-11-17
GB1598496A (en) 1981-09-23
AU515528B2 (en) 1981-04-09
DE2717365A1 (de) 1978-10-26
FR2387757B1 (pt) 1984-03-02
CA1090519A (en) 1980-12-02
JPS53132064A (en) 1978-11-17
AU3521078A (en) 1979-10-25

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