US3722732A - End wall for drums and other containers for liquid or solid state products - Google Patents

End wall for drums and other containers for liquid or solid state products Download PDF

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Publication number
US3722732A
US3722732A US00080446A US3722732DA US3722732A US 3722732 A US3722732 A US 3722732A US 00080446 A US00080446 A US 00080446A US 3722732D A US3722732D A US 3722732DA US 3722732 A US3722732 A US 3722732A
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US
United States
Prior art keywords
end wall
drum
plane
wall member
container
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
US00080446A
Other languages
English (en)
Inventor
K Edlund
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3722732A publication Critical patent/US3722732A/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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B65D43/0218—Removable lids or covers without integral tamper element secured only by friction or gravity on both the inside and the outside of the mouth of the container
    • 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
    • B65D15/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials
    • B65D15/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums
    • B65D15/10—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made of metal
    • B65D15/14—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made of metal with end walls made of plastics material
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342—Central part of the lid
    • B65D2543/00398—Reinforcing ribs in the central part of the closure
    • B65D2543/00416—Reinforcing ribs in the central part of the closure circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509—Cup
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside

Definitions

  • ABSTRACT An end wall structure for drums and other containers adapted to hold products in liquid or solid state in which the end wall is an integrally-formed, elastic, plastic structure having a central portion which is curved inwardly with respect to a plane through the end edge surface of the drum and which is deformable from such inwardly curved configuration to an outwardly curved configuration when substantial force is applied from the interior of the drum as a result of a shock resulting from dropping the drum, etc., and which then extends toward the periphery of the end wall and toward the plane through the end edge of the drum as an outwardly curved configuration, a curved outer portion extending from the outwardly curved configuration to the inner surface of the shell of the drum and thence in a substantially straight part parallel
  • This invention relates to an end wall for drums or other containers for products in liquid or solid state and having a shell with round, polygonal or other suitable cross-sectional shape, which end wall is formed integrally of an elastic plastic material and comprises a peripheral flange extending all around the wall for securing the end wall on the drum and for covering the edge surface of the drum. End walls for drums and similar containers are known which are of different constructions and materials.
  • the present invention has as its object to produce an end wall, in which the aforesaid disadvantages are eliminated and which renders it possible to manufacture throw-away drums also in large quantities.
  • a further object of the invention is to provide by the end wall a protection for the drum against moisture, thereby rendering it possible to utilize cheap material in the drum, for example wound paper.
  • the end wall includes in addition to the flange portion secured on the drum, a portion folded in a bow-shape with a relatively large curvature, which portion transforms into a substantially straight portion, extending obliquely to the end plane of the end wall, and inside of said end plane curvingly transforms into an inwardly curved central portion of the end wall.
  • FIG. 1 shows a section through a part of the end wall embodiment secured on a shell
  • FIG. 2 shows on a reduced scale the embodiment seen from below.
  • the end wall according to the invention is manufactured integrally of an elastic material, for example rubber or different types of plastics, of which high-molecular polythene has proved to be highly advantageous. Also, other elastic materials may be used though not mentioned here.
  • the end wall 1 is formed at its circumference with a U-shaped flange 2 by which the end wall 1 can be secured on the shell 3 of a container (not shown in detail) by riveting, wirestitching, sewing or glueing.
  • the flange for securing the end wall may be given other suitable shapes.
  • the end wall (seen in FIG. 1, i.e., in a section) extends somewhat upwardly and, at a suitable distance from the connection between shell and end wall, transforms smoothly into a bow-shaped portion or groove 5, the radius of which preferably is chosen with respect to the size of the end wall.
  • the end wall 1 continues downwardly, preferably obliquely inwardly as shown in FIG. 1, to the end plane designated by 6. Inside of said plane the end wall is bent so as thereafter to extend inwardly towards the center of the container, preferably with a suitable degree of ascension which may vary as shown in FIG. 1.
  • a bellow means is formed which may include more than one bow-shaped portion or groove 5 shown in the Figure, and which renders the end wall so resilient and elastic that it can take up considerable blows and impacts or other loads from the outside without being damaged or to damaging the shell 3.
  • the end wall according to the invention has the further essential advantage that its more or less frusto-conical portion 7 acts as a diaphragm which, to a substantial degree, increases the resilience of the end wall and its capacity of absorbing loads.
  • the bottom of the groove 5 may be made of a material thinner than that in the substantially straight portion of the groove which extends inwardly and obliquely downwardly to the end plane 6 of the end wall.
  • the groove portion adjacent to the drum shell may be made of a material thicker than that in said straight groove portion.
  • the end wall as shown in FIG. 2 and by the broken line portion of FIG. 1, is provided with two recesses 8 and 9, which are disposed at two diametrical planed surfaces 10 and 11 for mounting an air connection and a filling connection, respectively.
  • a container which is particularly adapted for the storing of heavy liquid or solid loads and comprising,
  • said end wall having a first central portion thereof which is disposed inwardly of the container and spaced axially of the container from the plane defined by the associated peripheral edge of the wall member,
  • said end wall member over a second and generally frusto-conical portion thereof, radially outwardly the outer surface of said cylindrical wall member, said end wall diaphragm-like so that the imposition of transient shock forces upon said end wall results in momenof Said Central Portion, extending toward 5 tary axial displacement of said first, second and Stamiauy to Said Plane and Sweeping in a third portions outwardly toward said plane as said smoothly'curved T a thud 1 end wall flexes about said fourth curved portion geferany frusto'comca] pol-non towafd the while concurrently said flexure always establishes ducal Wan l p and f from Sald plane to a internal forces in said end wall tending to restore location which 15 substantially more remote from 10 said plane than any part of said first portion,

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Centrifugal Separators (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
US00080446A 1969-10-17 1970-10-13 End wall for drums and other containers for liquid or solid state products Expired - Lifetime US3722732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE14269/69A SE341612B (enrdf_load_stackoverflow) 1969-10-17 1969-10-17

Publications (1)

Publication Number Publication Date
US3722732A true US3722732A (en) 1973-03-27

Family

ID=20298822

Family Applications (1)

Application Number Title Priority Date Filing Date
US00080446A Expired - Lifetime US3722732A (en) 1969-10-17 1970-10-13 End wall for drums and other containers for liquid or solid state products

Country Status (5)

Country Link
US (1) US3722732A (enrdf_load_stackoverflow)
DE (1) DE2050862B2 (enrdf_load_stackoverflow)
GB (1) GB1319672A (enrdf_load_stackoverflow)
NL (1) NL7015177A (enrdf_load_stackoverflow)
SE (1) SE341612B (enrdf_load_stackoverflow)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912154A (en) * 1973-01-03 1975-10-14 American Can Co Container end closure attachment
US4183457A (en) * 1978-08-09 1980-01-15 Weatherchem Corporation Shrink tape closure
US4289265A (en) * 1979-12-28 1981-09-15 Boise Cascade Corporation Composite end construction for composite containers, such as oil cans
US4402451A (en) * 1981-07-30 1983-09-06 Boise Cascade Corporation Composite container having spin bonded end
US4411726A (en) * 1981-07-30 1983-10-25 Boise Cascade Corporation Apparatus for spin bonding ends for composite containers
US4534751A (en) * 1982-08-05 1985-08-13 Cosden Technology, Inc. Thermoplastic container end and method and apparatus for inertial spinwelding of thermoplastic container ends
US4550854A (en) * 1982-08-10 1985-11-05 Sandherr Packungen Ag Deep-drawn conical plastic container and method of making
US4934551A (en) * 1987-09-07 1990-06-19 Buedenbender Bernd Cover for a bung-type barrel or drum
US5226586A (en) * 1990-04-26 1993-07-13 Lin Tec Verpackungstechnik Gmbh Container, especially drinking cup
EP0786411A3 (en) * 1996-01-24 1998-08-05 AB AKERLUND & RAUSING A composite container
US20060138141A1 (en) * 2004-12-17 2006-06-29 Stolzman Michael D Reduced thickness cover
US8358920B2 (en) 2010-11-18 2013-01-22 A. O. Smith Corporation Water heater tank with convex heads
US20130340690A1 (en) * 2012-06-26 2013-12-26 Eliel Fresco Rodriguez Water heater with centering thermal break support
US10890357B2 (en) * 2018-07-17 2021-01-12 Haier Us Appliance Solutions, Inc. Water heater with self-centering bottom cover

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163124A (en) * 1984-06-25 1986-02-19 Vercon Inc Thermoplastic container end spinwelded to container body

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912154A (en) * 1973-01-03 1975-10-14 American Can Co Container end closure attachment
US4183457A (en) * 1978-08-09 1980-01-15 Weatherchem Corporation Shrink tape closure
US4289265A (en) * 1979-12-28 1981-09-15 Boise Cascade Corporation Composite end construction for composite containers, such as oil cans
US4402451A (en) * 1981-07-30 1983-09-06 Boise Cascade Corporation Composite container having spin bonded end
US4411726A (en) * 1981-07-30 1983-10-25 Boise Cascade Corporation Apparatus for spin bonding ends for composite containers
US4534751A (en) * 1982-08-05 1985-08-13 Cosden Technology, Inc. Thermoplastic container end and method and apparatus for inertial spinwelding of thermoplastic container ends
US4550854A (en) * 1982-08-10 1985-11-05 Sandherr Packungen Ag Deep-drawn conical plastic container and method of making
US4934551A (en) * 1987-09-07 1990-06-19 Buedenbender Bernd Cover for a bung-type barrel or drum
US5226586A (en) * 1990-04-26 1993-07-13 Lin Tec Verpackungstechnik Gmbh Container, especially drinking cup
EP0786411A3 (en) * 1996-01-24 1998-08-05 AB AKERLUND & RAUSING A composite container
US20060138141A1 (en) * 2004-12-17 2006-06-29 Stolzman Michael D Reduced thickness cover
US8358920B2 (en) 2010-11-18 2013-01-22 A. O. Smith Corporation Water heater tank with convex heads
US20130340690A1 (en) * 2012-06-26 2013-12-26 Eliel Fresco Rodriguez Water heater with centering thermal break support
US9222697B2 (en) * 2012-06-26 2015-12-29 General Electric Company Water heater with centering thermal break support
US10890357B2 (en) * 2018-07-17 2021-01-12 Haier Us Appliance Solutions, Inc. Water heater with self-centering bottom cover

Also Published As

Publication number Publication date
GB1319672A (en) 1973-06-06
DE2050862B2 (de) 1979-07-19
DE2050862A1 (de) 1971-04-29
NL7015177A (enrdf_load_stackoverflow) 1971-04-20
SE341612B (enrdf_load_stackoverflow) 1972-01-10

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