ES478952A1 - Procedimiento para la fabricacion de envases reforzados. - Google Patents

Procedimiento para la fabricacion de envases reforzados.

Info

Publication number
ES478952A1
ES478952A1 ES478952A ES478952A ES478952A1 ES 478952 A1 ES478952 A1 ES 478952A1 ES 478952 A ES478952 A ES 478952A ES 478952 A ES478952 A ES 478952A ES 478952 A1 ES478952 A1 ES 478952A1
Authority
ES
Spain
Prior art keywords
reinforced container
preparing reinforced
container
preparing
blank
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
ES478952A
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.)
Rexam AB
Original Assignee
PLM AB
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 PLM AB filed Critical PLM AB
Publication of ES478952A1 publication Critical patent/ES478952A1/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
    • B29C49/0005—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor characterised by the 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
    • 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
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6436—Thermal conditioning of preforms characterised by temperature differential
    • B29C49/6445—Thermal conditioning of preforms characterised by temperature differential through the preform length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by 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
    • 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
    • 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
    • B29C2949/074—Preforms or parisons characterised by their configuration having ribs or protrusions
    • 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
    • B29C2949/074—Preforms or parisons characterised by their configuration having ribs or protrusions
    • B29C2949/0742—Circumferential
    • 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
    • B29C2949/074—Preforms or parisons characterised by their configuration having ribs or protrusions
    • B29C2949/0746—Preforms or parisons characterised by their configuration having ribs or protrusions 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
    • B29C2949/077—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
    • B29C2949/20—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
    • 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
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3016—Preforms or parisons made of several components at body portion
    • B29C2949/3018—Preforms or parisons made of several components at body portion partially
    • 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
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
    • B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/0009—Bottles or similar containers with necks or like restricted apertures designed for pouring contents
    • B65D2501/0018—Ribs
    • B65D2501/0036—Hollow circonferential ribs
    • 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
    • Y10S264/907—Direct application of fluid pressure differential to shape, reshape, i.e. distort, or sustain an article or preform and crystallizing of nonstretched or molecularly unoriented portion thereof
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1397—Single layer [continuous layer]

Abstract

Procedimiento para la fabricación de envases reforzados, de material termoplástico del tipo en que, cuando la temperatura de fusión es bajada rápidamente se constituye a temperatura normal un material estable, amorfo que se puede orientar por ejemplo por estirado biaxial, y que empieza a cristalizar cuando se calienta por encima de una determinada temperatura, siendo conformado dicho envase a partir de una pieza en bruto compuesta de material predominantemente amorfo, fabricándose el envase mediante un proceso de soplado con estirado biaxial a una temperatura superior a la de transición a estado cristalino y quedando dotado el envase de nervios internos de refuerzo, caracterizado porque el material de los nervios de refuerzo posee mayor densidad y/o mayor grado de cristalización que el material que rodea a los mencionados nervios de refuerzo.
ES478952A 1978-03-13 1979-03-13 Procedimiento para la fabricacion de envases reforzados. Expired ES478952A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7802815A SE417592B (sv) 1978-03-13 1978-03-13 Behallare av teromplastiskt plastmaterial med i behallarveggen inbyggda forsterkningar, samt forfarande for framstellning av en sadan behallare

Publications (1)

Publication Number Publication Date
ES478952A1 true ES478952A1 (es) 1979-08-01

Family

ID=20334285

Family Applications (1)

Application Number Title Priority Date Filing Date
ES478952A Expired ES478952A1 (es) 1978-03-13 1979-03-13 Procedimiento para la fabricacion de envases reforzados.

Country Status (18)

Country Link
US (2) US4320083A (es)
JP (1) JPS54127774A (es)
AT (1) AT403901B (es)
AU (1) AU530189B2 (es)
BE (1) BE874775A (es)
BR (1) BR7901526A (es)
CA (1) CA1115650A (es)
CH (1) CH647714A5 (es)
DE (1) DE2908548A1 (es)
DK (1) DK154616C (es)
ES (1) ES478952A1 (es)
FR (1) FR2419867A1 (es)
GB (1) GB2015914B (es)
IT (1) IT1118422B (es)
NL (1) NL190108C (es)
NO (1) NO148407C (es)
SE (1) SE417592B (es)
ZA (1) ZA791102B (es)

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SE424420B (sv) * 1979-06-11 1982-07-19 Plm Ab Framstellning av artiklar genom dragning och blasning
CA1184717A (en) * 1981-08-20 1985-04-02 Yoshiaki Hayashi Blow-molded bottle-shaped container of biaxially oriented polyethylene terephthalate resin and method of molding the same
JPS5836121U (ja) * 1981-09-02 1983-03-09 株式会社吉野工業所 ２軸延伸ブロ−成形壜体成形用１次成形品
FR2539076B1 (fr) * 1983-01-07 1986-03-21 Rhone Poulenc Spec Chim Procede de fabrication d'articles creux biorientes en polymere thermoplastique, les preformes mises en oeuvre dans ce procede et les articles creux, resistants a la pression a chaud obtenus conformement a ce procede
SE451969B (sv) * 1984-07-05 1987-11-09 Petainer Sa Sett att framstella en behallare fran ett rorformat och i botten tillslutet emne av orienterbart plastmaterial
US4618515A (en) * 1985-04-05 1986-10-21 Continental Pet Technologies, Inc. Polyester container with oriented, crystallized thread finish for hot fill applications and method of making same
US4670950A (en) * 1985-05-13 1987-06-09 Monarch Marking Systems, Inc. Theft-deterrent tag
US4942008A (en) * 1985-07-10 1990-07-17 Cahill John W Process for molding a multiple layer structure
US5238129A (en) * 1985-07-30 1993-08-24 Yoshino Kogyosho Co., Ltd. Container having ribs and collapse panels
US4785950A (en) * 1986-03-12 1988-11-22 Continental Pet Technologies, Inc. Plastic bottle base reinforcement
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
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US4892205A (en) * 1988-07-15 1990-01-09 Hoover Universal, Inc. Concentric ribbed preform and bottle made from same
US4928835A (en) * 1989-01-31 1990-05-29 Continental Pet Technologies, Inc. Injection molded preform, method of treating same and container formed therefrom
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US5229142A (en) * 1989-07-20 1993-07-20 Nissei Asb Machine Co., Ltd. Temperature adjusting and compressing in injection stretch blow molding for forming raised portions in the container produced
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US5902526A (en) * 1997-04-08 1999-05-11 Ball Corporation Method and apparatus for producing stretch blow molded articles
FR2763238B1 (fr) * 1997-05-15 1999-08-06 Francois Bonnet Preforme permettant l'obtention apres deformation d'appareils orthodontiques personnalises, les appareils obtenus et leur procede d'obtention
WO1999002324A1 (en) * 1997-07-09 1999-01-21 Dtl Imprint, Llc Thermally imparting a pattern on an injection molded preform and blow molding it into a container
US6620352B1 (en) 2000-07-27 2003-09-16 Ball Corporation Automated material distribution control for stretch blow molded articles
US20020166837A1 (en) * 2001-05-09 2002-11-14 Gonzalez Frank C. Container side wall with ribs causing a predefined varying thickness
JP3992989B2 (ja) * 2002-01-31 2007-10-17 株式会社吉野工業所 薄肉ブローボトル
US7637733B2 (en) 2004-12-02 2009-12-29 Graham Packaging Company, L.P. Method and apparatus for reforming a portion of a plastic container to include a three-dimensional feature or transferable element
US8734709B2 (en) 2009-04-07 2014-05-27 Graham Packaging Company, L.P. Apparatus for reforming a portion of a plastic container
CN107030929B (zh) 2009-04-07 2019-03-15 格莱汉姆包装公司 利用感应加热对塑料包装的一部分进行重整的设备和机器
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US20120100266A1 (en) 2010-10-20 2012-04-26 Pepsico., Inc. Control of bubble size in a carbonated liquid
SI2791030T1 (sl) 2011-12-05 2017-01-31 Resilux Vsebnik iz umetne snovi za pakiranje izdelka za polnjenje pod tlakom in postopek njegove izdelave
EP2839228B1 (en) * 2012-04-16 2018-10-03 BSH Hausgeräte GmbH Cooling device with holding protrusion and method of producing it
CH707529A1 (de) 2013-01-30 2014-07-31 Alpla Werke Verfahren zur Herstellung eines blasgeformten Kunststoffbehälters und einen diesbezüglichen Kunststoffbehälter.
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FR1214626A (fr) * 1959-01-27 1960-04-11 Clodrey Ets Perfectionnements aux corps creux fabriqués en matière plastique par soufflage
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DE2065427A1 (de) * 1969-12-17 1973-11-15 Du Pont Kunststoffflasche, die mindestens im zylinderfoermigen mittelabschnitt biaxial orientiert ist
CA957624A (en) * 1969-12-17 1974-11-12 E. I. Du Pont De Nemours And Company Biaxially oriented article
US3718229A (en) * 1971-10-26 1973-02-27 Du Pont Noneverting bottom for thermoplastic bottles
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US4170622A (en) * 1977-05-26 1979-10-09 Owens-Illinois, Inc. Method of making a blown hollow article having a ribbed interior surface
US4151249A (en) * 1978-01-05 1979-04-24 Owens-Illinois, Inc. Method of making a blown bottle with internal ribs

Also Published As

Publication number Publication date
GB2015914A (en) 1979-09-19
NO790693L (no) 1979-09-14
DK154616C (da) 1989-06-19
IT7967519A0 (it) 1979-03-12
AU4505679A (en) 1979-09-20
NO148407C (no) 1983-10-05
CA1115650A (en) 1982-01-05
AU530189B2 (en) 1983-07-07
JPS54127774A (en) 1979-10-03
FR2419867A1 (fr) 1979-10-12
IT1118422B (it) 1986-03-03
FR2419867B1 (es) 1981-09-18
NO148407B (no) 1983-06-27
CH647714A5 (de) 1985-02-15
BE874775A (fr) 1979-09-12
ATA187379A (de) 1997-11-15
SE417592B (sv) 1981-03-30
NL190108B (nl) 1993-06-01
DK101679A (da) 1979-09-14
SE7802815L (sv) 1979-09-14
DE2908548A1 (de) 1979-09-20
GB2015914B (en) 1982-06-09
DE2908548C2 (es) 1990-09-06
US4320083A (en) 1982-03-16
NL7901759A (nl) 1979-09-17
US4359165A (en) 1982-11-16
NL190108C (nl) 1993-11-01
BR7901526A (pt) 1979-10-16
JPH0123386B2 (es) 1989-05-02
DK154616B (da) 1988-12-05
ZA791102B (en) 1980-04-30
AT403901B (de) 1998-06-25

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