US3511401A - Pressure-resistant plastics bottle - Google Patents

Pressure-resistant plastics bottle Download PDF

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Publication number
US3511401A
US3511401A US744020A US3511401DA US3511401A US 3511401 A US3511401 A US 3511401A US 744020 A US744020 A US 744020A US 3511401D A US3511401D A US 3511401DA US 3511401 A US3511401 A US 3511401A
Authority
US
United States
Prior art keywords
bottle
main part
base
curvature
radius
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 - Lifetime
Application number
US744020A
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English (en)
Inventor
Otto Lachner
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.)
Lever Brothers Co
Original Assignee
Lever Brothers 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 Lever Brothers Co filed Critical Lever Brothers Co
Application granted granted Critical
Publication of US3511401A publication Critical patent/US3511401A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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—Rigid or semi-rigid 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 or 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
    • B65D1/0261—Bottom construction
    • B65D1/0276—Bottom construction having a continuous contact surface, e.g. Champagne-type bottom

Definitions

  • Pressure-resistant plastic bottles for beer and other carbonated drinks are already known in the traditional cylindrical glass-bottle shape and also in a shape consisting of several curved zones.
  • a cylindrical main part tapers off at the bottom as a curved zone merging into the main part but forming an edge with a flat base, the radius of the curved zone being smaller than the radius of the cylindrical main part and the diameter of the surface on which the bottle stands not exceeding 90% of that of the cylindrical main part.
  • bottles with slightly convex bases have been proposed. Since these bottles cannot stand on their bases, they have been provided with supporting rings or ribs or lug-shaped projecting parts. These shapes have not led to any considerable reduction in the amount of material required. Furthermore, bottles with projecting parts are not what the consumer usually expects a beer bottle to be like.
  • the aim of the invention is to find a form of the curved transition zone between the planar main part of a bottle and a non-convex base by means of which a pressureresistant plastic bottle can be made using a minimum of material.
  • This smallest radius of curvature should, however, be as large as possible and the centre of curvature should be as near as possible to the longitudinal axis of the bottle, so that the diameter of the contact line is therefore relatively small.
  • the central portion of the base of the bottle is concavely recessed.
  • the curved transition from the cylindrical portion to the contact line therefore first takes place somewhat in the form of a hyperbola adjacent to a zone with said smallest radius of curvature.
  • a tangent to the smallest radius of curvature is at to the longitudinal axis of the bottle.
  • the plastic bottle according to the invention made in particular of PVC and preferably of rigid PVC, has been developed. Owing to the shape of it curved'transition zone and base, while being sufiiciently resistant to pressure and steady for carbonated drinks, it enables an extraordinarily low weight of material to be used. The central portion of the base is concavely recessed.
  • the inventive feature of the bottle is that the weight of material used is only 1.25 to 2.5 grams PVC per cm.
  • bottle height in particular 1.5 to 2.2 grams PVC per cm., of bottle height
  • it has a curved transition zone the height of which is greater than or equal to 0.4 times the maximum diameter of the bottle in the planar main part, preferably 0.4 to 0.6 times, and the radius of curvature of which changes by decreasing steadily from the transition from the planar main part to the contact line of the base, at which contact line the radius of curvature is 0.15 to 0.3 times, preferably 0.17 to 0.2 times, the diameter of the bottle, and the diameter of the contact line being 0.4 to 0.7 times, preferably 0.5 to 0.6 times, the diameter of the bottle.
  • the radius of curvature adjacent the planar main part is less than infinity and then changes by decreasing steadily while still remaining greater than or equal to the maximum diameter of the planar main part of the bottle.
  • the radius of curvature adjacent the planar main part is at least twice the maximum diameter of the planar main part, and changes by decreasing steadily until it is not less than equal to said maximum diameter.
  • the concave recess in the central portion of the bottle base has a height of 0.04 to 0.3 times, preferably 0.045 to 0.1 times, the maximum diameter of the planar main part of the bottle.
  • the curved transition zone and the base of the bottle, and preferably the other parts too, are axially symmetrical.
  • the curvature of the transition zone and base according to the invention can, however, also be used for bottles the planar main part of which is not cylindrical but pear-shaped, oval, angular. If the main part of a bottle is not cylindrical in shape, the diameter to which the other dimensions are related is the maximum diameter perpendicular to the bottle axis.
  • an adequate weight of material is 1.8 to 2.1 grams per cm. of bottle height, preferably about 2.0 grams per cm. of bottle height.
  • the advantage of the new form of the base and transition zone is that if the internal pressure increases, the bottom of the bottle can change shape without bulging outwards to any great extent. Depending on the internal pressure a state of equilibrium is established with a corresponding height of the concave recess in the bottle base. As the internal pressure increases the height of the recess decreases, which has a favorable effect on the distribution of stress. The diameter of the contact line of the base is not changed to such an extent, however, that the steadiness of the bottle is affected.
  • the bottle consists essentially of a planar cylindrical main part 1, a curved transition zone 2, a curved bottom zone 3, a neck 4 and a mouth 5.
  • the cylindrical main part 1 the bottle has a diameter D to which all the other preferred dimensions according to the invention are related.
  • the curved transition zone 2 has a height H which is equal to or greater than 0.4 D, preferably 0.4 to 0.6 D.
  • the curved transition zone 2 is somewhat in the form of a hyperbola in that it has a changing radius r which adjacent its transition from the cylindrical main part 1 has a radius of curvature less than infinity, preferably 2 D and said radius of curvature r changes gradually by decreasing steadily until the value of r becomes not less than D as the curved transition zone descends and becomes of a radius of curvature r at the bottom zone 3, which is 0.15 to 0.3 D, preferably 0.17 to 0.2 D.
  • the bottle stands on a circular contact line a of diameter d which lies between 0.4 and 0.7 D, preferably 0.5 to 0.6 D.
  • the bottom zone 3 includes a concave recess in the central portion of the base, the height h of this concave recess being 0.04 to 0.3 D, preferably 0.045 to 0.12 D.
  • the bottle depicted in the drawing at full size holds 0.33 litres, is 160 mm. high, has a diameter D of 68 mm., and weighs approximately 30 grams (1.87 grams per cm. of bottle height). Other values are as follows:
  • n 10.5 mm. (0.15 D);
  • a pressure-resistant plastic bottle for carbonated liquids having a wall with a planar main part contiguous with a curved transition zone which merges into a curved bottom zone
  • the combination of features which provide that; the weight of material used is 1.25 to 2.5 grams per centimeter of bottle height; the curved transition zone of the wall is somewhat in the form of a hyperbola and has a height which is equal to or greater than 0.4 times the maximum diameter of the bottle in the planar main part; the redius of curvature of said curved transition zone is less than infinity adjacent the planar main part and changes by decerasing steadily while still remaining greater than or equal to the maximum diameter of said planar main part; the curved bottom zone merges into a curved base which has a concave central recess and also a circular contact line to engage a supporting surface on which the bottle stands, the radius of curvature of the bottle wall at said contact line being 0.15 to 0.3 times the maximum diameter of the planar main part; and the diameter of said contact line of
  • Claim 1 line 10 change "redius” to -radius--.
  • Claim 1 line 12 change "decerasing" to -decreasing--.
  • Claim 4 change 0.05" to --0.045--.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
US744020A 1967-07-20 1968-07-11 Pressure-resistant plastics bottle Expired - Lifetime US3511401A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967N0030935 DE1607895B2 (de) 1967-07-20 1967-07-20 Druckfeste kunststoff-flasche

Publications (1)

Publication Number Publication Date
US3511401A true US3511401A (en) 1970-05-12

Family

ID=7345754

Family Applications (1)

Application Number Title Priority Date Filing Date
US744020A Expired - Lifetime US3511401A (en) 1967-07-20 1968-07-11 Pressure-resistant plastics bottle

Country Status (9)

Country Link
US (1) US3511401A (en:Method)
AT (1) AT279399B (en:Method)
BE (1) BE718373A (en:Method)
CH (1) CH475882A (en:Method)
DE (1) DE1607895B2 (en:Method)
FR (1) FR1573697A (en:Method)
GB (1) GB1237402A (en:Method)
NL (1) NL6810136A (en:Method)
SE (1) SE343537B (en:Method)

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643829A (en) * 1969-08-22 1972-02-22 Lever Brothers Ltd Pressure-resistant plastics bottle
US3718229A (en) * 1971-10-26 1973-02-27 Du Pont Noneverting bottom for thermoplastic bottles
US3720339A (en) * 1970-09-24 1973-03-13 Monsanto Co Plastic container for pressurized materials-a
DE2406335A1 (de) * 1973-02-12 1974-08-15 Monsanto Co Flasche aus polymerem material zur aufnahme von unter druck stehenden fluessigkeiten
US3881621A (en) * 1973-07-02 1975-05-06 Continental Can Co Plastic container with noneverting bottom
US4134510A (en) * 1975-06-16 1979-01-16 Owens-Illinois, Inc. Bottle having ribbed bottom
US4231483A (en) * 1977-11-10 1980-11-04 Solvay & Cie. Hollow article made of an oriented thermoplastic
US4318489A (en) * 1980-07-31 1982-03-09 Pepsico, Inc. Plastic bottle
US4780257A (en) * 1987-05-29 1988-10-25 Devtech, Inc. One piece self-standing blow molded plastic bottles
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
US4978015A (en) * 1990-01-10 1990-12-18 North American Container, Inc. Plastic container for pressurized fluids
US5072841A (en) * 1986-02-14 1991-12-17 Norderney Investments Limited Plastic containers
US5549210A (en) * 1993-12-13 1996-08-27 Brunswick Container Corporation Wide stance footed bottle with radially non-uniform circumference footprint
WO1997016351A1 (en) * 1995-11-01 1997-05-09 Crown Cork & Seal Company, Inc. Blow molded container and method of making
US5988416A (en) * 1998-07-10 1999-11-23 Crown Cork & Seal Technologies Corporation Footed container and base therefor
USD417392S (en) 1997-02-28 1999-12-07 Crown Cork & Seal Technologies Corporation Container bottom
USD418414S (en) * 1998-06-08 2000-01-04 Cheng Jizu J Container bottom
USD419444S (en) * 1995-11-01 2000-01-25 Crown Cork & Seal Technologies Corporation Container bottom
USRE36639E (en) * 1986-02-14 2000-04-04 North American Container, Inc. Plastic container
USD448677S1 (en) 2000-01-24 2001-10-02 Crown Cork & Seal Technologies Container
US6296471B1 (en) 1998-08-26 2001-10-02 Crown Cork & Seal Technologies Corporation Mold used to form a footed container and base therefor
USD454073S1 (en) 2000-08-16 2002-03-05 Robert Crawford Container
USD454790S1 (en) 2000-08-16 2002-03-26 Robert Crawford Container
US6516963B2 (en) * 1999-07-15 2003-02-11 Taisei Kako Co., Ltd. Injection blow molded nursing bottle of polyethersulfone
US20030042221A1 (en) * 2001-09-03 2003-03-06 Wong Chio Fai Polyester beer bottle
WO2003057573A1 (en) * 2001-12-21 2003-07-17 Ball Corporation Plastic bottle with champagne base
US20100012617A1 (en) * 2008-07-16 2010-01-21 Ulibarri Scott M Plastic bottle with superior top load strength
JP2011143953A (ja) * 2010-01-18 2011-07-28 Nihon Yamamura Glass Co Ltd 樹脂製容器
JP2011143952A (ja) * 2010-01-18 2011-07-28 Nihon Yamamura Glass Co Ltd 樹脂製容器
US20140291332A1 (en) * 2010-10-04 2014-10-02 David D. Russell Self-Supporting Double Wall In Situ Tank System
US20150183609A1 (en) * 2012-05-25 2015-07-02 3M Innovative Properties Company Textured tape dispenser
JP2015166247A (ja) * 2014-03-03 2015-09-24 石塚硝子株式会社 樹脂製包装容器底部の耐衝撃構造
US20180009563A1 (en) * 2016-07-11 2018-01-11 Calibre Closures, LLC Dispensing container and methods for dispensing predetermined amounts of product
US11014701B2 (en) * 2018-05-18 2021-05-25 Schott Ag Glass container with an improved bottom geometry

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2126954B1 (en:Method) * 1971-02-16 1974-08-19 Carvallo Pierre
GB2118918A (en) * 1982-03-29 1983-11-09 Thatcher Glass Corp Glass containers suitable for microwave heating
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
DE19925766C2 (de) * 1999-06-05 2003-05-28 Schott Glas Behälter für medizinische und feinchemische Zwecke

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029963A (en) * 1958-01-22 1962-04-17 Evers Heinz Bottle
US3043461A (en) * 1961-05-26 1962-07-10 Purex Corp Flexible plastic bottles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029963A (en) * 1958-01-22 1962-04-17 Evers Heinz Bottle
US3043461A (en) * 1961-05-26 1962-07-10 Purex Corp Flexible plastic bottles

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643829A (en) * 1969-08-22 1972-02-22 Lever Brothers Ltd Pressure-resistant plastics bottle
US3720339A (en) * 1970-09-24 1973-03-13 Monsanto Co Plastic container for pressurized materials-a
US3718229A (en) * 1971-10-26 1973-02-27 Du Pont Noneverting bottom for thermoplastic bottles
DE2406335A1 (de) * 1973-02-12 1974-08-15 Monsanto Co Flasche aus polymerem material zur aufnahme von unter druck stehenden fluessigkeiten
US3870181A (en) * 1973-02-12 1975-03-11 Monsanto Co Molecularly oriented bottle
US3881621A (en) * 1973-07-02 1975-05-06 Continental Can Co Plastic container with noneverting bottom
US4134510A (en) * 1975-06-16 1979-01-16 Owens-Illinois, Inc. Bottle having ribbed bottom
US4231483A (en) * 1977-11-10 1980-11-04 Solvay & Cie. Hollow article made of an oriented thermoplastic
US4318489A (en) * 1980-07-31 1982-03-09 Pepsico, Inc. Plastic bottle
US5072841A (en) * 1986-02-14 1991-12-17 Norderney Investments Limited Plastic containers
USRE36639E (en) * 1986-02-14 2000-04-04 North American Container, Inc. Plastic container
US4889752A (en) * 1987-05-29 1989-12-26 Devtech, Inc. One piece self-standing blow molded plastic containers
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
US4978015A (en) * 1990-01-10 1990-12-18 North American Container, Inc. Plastic container for pressurized fluids
US5549210A (en) * 1993-12-13 1996-08-27 Brunswick Container Corporation Wide stance footed bottle with radially non-uniform circumference footprint
AU721474B2 (en) * 1995-11-01 2000-07-06 Crown Cork & Seal Company, Inc. Blow molded container and method of making
USD419444S (en) * 1995-11-01 2000-01-25 Crown Cork & Seal Technologies Corporation Container bottom
WO1997016351A1 (en) * 1995-11-01 1997-05-09 Crown Cork & Seal Company, Inc. Blow molded container and method of making
USD417392S (en) 1997-02-28 1999-12-07 Crown Cork & Seal Technologies Corporation Container bottom
USD418414S (en) * 1998-06-08 2000-01-04 Cheng Jizu J Container bottom
US5988416A (en) * 1998-07-10 1999-11-23 Crown Cork & Seal Technologies Corporation Footed container and base therefor
US6213325B1 (en) 1998-07-10 2001-04-10 Crown Cork & Seal Technologies Corporation Footed container and base therefor
US6296471B1 (en) 1998-08-26 2001-10-02 Crown Cork & Seal Technologies Corporation Mold used to form a footed container and base therefor
US6516963B2 (en) * 1999-07-15 2003-02-11 Taisei Kako Co., Ltd. Injection blow molded nursing bottle of polyethersulfone
USD448677S1 (en) 2000-01-24 2001-10-02 Crown Cork & Seal Technologies Container
USD454790S1 (en) 2000-08-16 2002-03-26 Robert Crawford Container
USD454073S1 (en) 2000-08-16 2002-03-05 Robert Crawford Container
US20030042221A1 (en) * 2001-09-03 2003-03-06 Wong Chio Fai Polyester beer bottle
US6659298B2 (en) * 2001-09-03 2003-12-09 Chio Fai Wong Polyester beer bottle
WO2003057573A1 (en) * 2001-12-21 2003-07-17 Ball Corporation Plastic bottle with champagne base
US6769561B2 (en) 2001-12-21 2004-08-03 Ball Corporation Plastic bottle with champagne base
US20100012617A1 (en) * 2008-07-16 2010-01-21 Ulibarri Scott M Plastic bottle with superior top load strength
JP2011143953A (ja) * 2010-01-18 2011-07-28 Nihon Yamamura Glass Co Ltd 樹脂製容器
JP2011143952A (ja) * 2010-01-18 2011-07-28 Nihon Yamamura Glass Co Ltd 樹脂製容器
US20140291332A1 (en) * 2010-10-04 2014-10-02 David D. Russell Self-Supporting Double Wall In Situ Tank System
US20150183609A1 (en) * 2012-05-25 2015-07-02 3M Innovative Properties Company Textured tape dispenser
JP2015166247A (ja) * 2014-03-03 2015-09-24 石塚硝子株式会社 樹脂製包装容器底部の耐衝撃構造
US20180009563A1 (en) * 2016-07-11 2018-01-11 Calibre Closures, LLC Dispensing container and methods for dispensing predetermined amounts of product
US10301057B2 (en) * 2016-07-11 2019-05-28 Calibre Closures Llc Dispensing container with internal squeeze limiting member
US11014701B2 (en) * 2018-05-18 2021-05-25 Schott Ag Glass container with an improved bottom geometry

Also Published As

Publication number Publication date
DE1607895B2 (de) 1977-02-10
GB1237402A (en) 1971-06-30
AT279399B (de) 1970-03-10
FR1573697A (en:Method) 1969-07-04
DE1607895A1 (de) 1970-10-01
CH475882A (de) 1969-07-31
BE718373A (en:Method) 1969-01-20
NL6810136A (en:Method) 1969-01-22
SE343537B (en:Method) 1972-03-13

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