US3700524A - Method of sealing the seaming portions of a can - Google Patents

Method of sealing the seaming portions of a can Download PDF

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Publication number
US3700524A
US3700524A US827716A US3700524DA US3700524A US 3700524 A US3700524 A US 3700524A US 827716 A US827716 A US 827716A US 3700524D A US3700524D A US 3700524DA US 3700524 A US3700524 A US 3700524A
Authority
US
United States
Prior art keywords
seaming
sealing
rubber compound
periphery
bottom plate
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
US827716A
Other languages
English (en)
Inventor
Yoshikatsu Sato
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.)
Toyo Seikan Group Holdings Ltd
Original Assignee
Toyo Seikan Kaisha Ltd
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 Toyo Seikan Kaisha Ltd filed Critical Toyo Seikan Kaisha Ltd
Application granted granted Critical
Publication of US3700524A publication Critical patent/US3700524A/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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/44—Making closures, e.g. caps
    • B21D51/46—Placing sealings or sealing material
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1036—Bending of one piece blank and joining edges to form article
    • Y10T156/1038—Hollow cylinder article

Definitions

  • the contents of the can are such substances which are mainly of organic solvents such as gasoline additives, engine cleaner, anticorrosve agent, etc.
  • the rubber compounds are deteriorated by the contents of the can, and dissolving out to result in lack of sealing elfect, which causes leaking of the content of the can or deterioration of compound by the content of the can, and the deteriorated particles may oat in the contents in the can, thus adversely affect the content of the can.
  • the present invention provides a means for seaming of a can which are free from said soldering, which is troublesome and uneconomical, even when the contents of the can are, for example, gasoline additive, engine cleaner, anticorrosve agent, etc., the main component thereof being organic solvents.
  • the present invention relates to an improvement in a method applicable on seaming portions of a can body with the top plate and/ or a can body with the base plate using rubber compounds, the main component thereof being styrene, butadiene, isoprene, neoprene, etc.
  • An object of the present invention is to provide a method of sealing at seaming portions of a can which maintains the same lining property as possessed heretofore by conventional rubber compounds, and the sealing effect is not interfered by the content of the can, even if the contents in the can may be, for example, gasoline additives, engine cleaners, anticorrosve agents, the main component of which being organic solvents.
  • a further object of the present invention is to provide a method of sealing at the seaming portions of a can which comprises the steps of lining or applying a conventional rubber compound on the can material, and after the surface has been dried, coating on the surface of the rubber compound with an non-dissolving paint such as urethane resin to form a rm, and rolling up the laminated portion formed by the rubber compound and urethane resin into the end portion of the can.
  • FIG. 1 is a sectional view of the essential part for explaining the method of the present invention
  • FIG. 2 is a sectional view showing a case where the method according to the present invention is applied on thed seaming portion of the can body and the top plate, an
  • FIG. 3 is a sectional View showing a case where the method according to the present invention is applied on the seaming portion of the can body with the bottom plate.
  • a rubber compound is applied on the seaming portion 2 of the can material 1 so as to form a rubber compound layer 3, and on this rubber compound layer 3 is coated with a urethane resin paint so as to form a film 4.
  • a laminated portion 5, formed by the rubber compound layer 3 and the lm 4 is provided on the seaming portion 2 of the can material 1.
  • the lamination 5 is formed on the upper surface or lower surface of the bottom plate 10, rolling up the peripheral lo'wer end of the can body 7 so that the laminated portion 5 is interposed at the junction between rolled portion 11 of the periphery of the bottom plate 10 and the rolled portion 12 of the can body 7 by seaming.
  • the quantitative proportion of the rubber compound and the urethane resin lilm for forming the laminated portion of the rubber compound and the urethane resin lm is preferably selected at 4:1 through 4:3.
  • the object of the present invention is to provide a. can and a sealing method at the seaming portion of a can which has seaming portions provided both with elasticity owing to the rubber compound and an anti-solvent property due to urethane resin paints.
  • rubber compounds and urethane resins are both inexpensive, so that it is excellent in view of economical standpoint.
  • a method of sealing a can body at seaming portions comprising the steps of forming, at the seaming portions of the can material
  • a laminated portion comprising in combination the steps of applying a rubber compound layer on said top or bottom plate References Cited and coating a film of urethane resins on said pe- UNITED STATES PATENTS riphery of said top or bottom plate and completely spectively, of the can body for the sealing thereof, 2,623,444 12/1952 Maler e1a1 156-218 and thereby forming with said periphery and said 2,650,185 8/1953 Larson et al- 156-310 parallel layers complementarily mating with a U- 3,400,741 9/1968 Rb1ns0n et 31- 156-218 shaped inverted fold of the corresponding end of 3,369,568 2/1968 Dal/1561 a1- 22o-81 nated ortion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Sealing Material Composition (AREA)
US827716A 1968-06-04 1969-05-26 Method of sealing the seaming portions of a can Expired - Lifetime US3700524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP43037785A JPS4823314B1 (pt) 1968-06-04 1968-06-04

Publications (1)

Publication Number Publication Date
US3700524A true US3700524A (en) 1972-10-24

Family

ID=12507126

Family Applications (1)

Application Number Title Priority Date Filing Date
US827716A Expired - Lifetime US3700524A (en) 1968-06-04 1969-05-26 Method of sealing the seaming portions of a can

Country Status (2)

Country Link
US (1) US3700524A (pt)
JP (1) JPS4823314B1 (pt)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021342A (en) * 1974-10-23 1977-05-03 Robert Bosch G.M.B.H. Liquid filter
US4287011A (en) * 1979-05-11 1981-09-01 Radiation Dynamics, Inc. Closure method
US4512830A (en) * 1981-10-26 1985-04-23 Hulett John G Electrical heating cap
US4538758A (en) * 1979-10-11 1985-09-03 Automated Container Corporation Composite container
US5005728A (en) * 1989-08-14 1991-04-09 Continental Can Co., Inc. End shape modification to reduce end hook wrinkling
WO1992001609A1 (en) * 1990-07-18 1992-02-06 Precision Valve Corporation A multi-layer gasket for an aerosol container closure

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021342A (en) * 1974-10-23 1977-05-03 Robert Bosch G.M.B.H. Liquid filter
US4287011A (en) * 1979-05-11 1981-09-01 Radiation Dynamics, Inc. Closure method
US4538758A (en) * 1979-10-11 1985-09-03 Automated Container Corporation Composite container
US4512830A (en) * 1981-10-26 1985-04-23 Hulett John G Electrical heating cap
US5005728A (en) * 1989-08-14 1991-04-09 Continental Can Co., Inc. End shape modification to reduce end hook wrinkling
AU640942B2 (en) * 1989-08-14 1993-09-09 Crown Beverage Packaging Inc. End shape modification to reduce end hook wrinkling
WO1992001609A1 (en) * 1990-07-18 1992-02-06 Precision Valve Corporation A multi-layer gasket for an aerosol container closure
AU645132B2 (en) * 1990-07-18 1994-01-06 Precision Valve Corporation A multi-layer gasket for an aerosol container closure
US5579944A (en) * 1990-07-18 1996-12-03 Precision Valve Corporation Multi-layer gasket for an aerosol container

Also Published As

Publication number Publication date
JPS4823314B1 (pt) 1973-07-12

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