US3217951A - Closure means for containers - Google Patents

Closure means for containers Download PDF

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Publication number
US3217951A
US3217951A US176678A US17667862A US3217951A US 3217951 A US3217951 A US 3217951A US 176678 A US176678 A US 176678A US 17667862 A US17667862 A US 17667862A US 3217951 A US3217951 A US 3217951A
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Prior art keywords
opening
raised portion
tab
container
wall
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US176678A
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Paal Hans
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FR Hesser Maschinenfabrik AG
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FR Hesser Maschinenfabrik AG
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    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/70—Break-in flaps, or members adapted to be torn-off, to provide pouring openings
    • B65D5/708—Separate tearable flexible elements covering a discharge opening of a container, e.g. adhesive tape
    • 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
    • B65D15/04—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 by winding or bending paper
    • B65D15/08—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 by winding or bending paper 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/34—Arrangement or construction of pull or lift tabs
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/50—Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
    • B65D17/501—Flexible tape or foil-like material
    • B65D17/502—Flexible tape or foil-like material applied to the external part of the container wall only
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/001—Action for opening container
    • B65D2517/0013—Action for opening container pull-out tear panel, e.g. by means of a tear-tab
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0026—Means for preventing loss of removable element
    • B65D2517/0029—Means for preventing loss of removable element the element being part of the pull-out panel
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0031—Reclosable openings
    • B65D2517/0037—Reclosable openings the tape being resealable
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0058—Other details of container end panel
    • B65D2517/0059—General cross-sectional shape of container end panel
    • B65D2517/0061—U-shaped
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0058—Other details of container end panel
    • B65D2517/0074—Local recess in container end panel
    • B65D2517/0079—Local recess in container end panel located beneath tab hand grip to facilitate initial lifting
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0058—Other details of container end panel
    • B65D2517/008—Materials of container end panel
    • B65D2517/0083—Rigid 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
    • B65D2517/5002—Details of flexible tape or foil-like material
    • B65D2517/5024—Material
    • B65D2517/5032—Laminated
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
    • B65D2517/504—Details of preformed openings
    • B65D2517/5043—Details of preformed openings provided with a flange
    • B65D2517/5051—Up-turned flange, i.e. extending away from 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
    • B65D2517/5072—Details of hand grip, tear- or lift-tab
    • B65D2517/5083—Details of hand grip, tear- or lift-tab with means facilitating initial lifting of tape, e.g. lift or pull-tabs

Definitions

  • the present invention contemplates the provision of a new and improved closure construction for a rigid container, which includes a tab operative to cover the dispensing opening and joined to the adjacent wall of the container by a heat sealed joint.
  • the container wall may be composed of a thermoplastic material, e.g. polyethylene, or coating thereof on cardboard or the like.
  • the tab in turn, is constructed of flexible material, e.g. aluminum sheet, and may have a similar coating thereon so that a heat sealed joint between the contiguous surfaces thereof is provided.
  • the tab is advantageously pivoted over the opening and tightly secured therein after initial opening simply by displacing the tab into the opening by a thumb or the like.
  • Another object of this invention is to provide an inexpensive and trouble-free closure and dispensing means for a container, the container having a raised portion in one wall and having a elongated slotted dispensing opening therein. A generally rectangular tab of flexible material is joined to this raised portion adjacent an end of the.
  • a heat sealing joint is provided between the tab and container wall which includes an enlarged terminal joint portion at the end of the slot, having a curved edge adjacent the slot, while the other opposed marginal sides of the tab are secured to this wall portion by a relatively narrow heat sealing joint.
  • the tab has a lip at its free end which extends transversely beyond the raised wall portion so that the same is quickly and easily pulled back to the terminal joint portion for initial access.
  • FIGURE 1 is a perspective view of the upper end of the container employing the closure means of the present invention
  • FIGURE 2 is an elevational section view of the container and closure means in FIGURE 1;
  • FIGURES 3 and 4 are partial perspective views showing the container positioned for dispensing the contents.
  • FIGURE 5 is an elevational section view similar to FIGURE 2 but showing the closure means temporarily secured after initial opening.
  • FIG- URE 1 a rigid container having upright side walls 1 and a top wall 2 joined thereto.
  • the top wall 2 composed of an overlaying coating of thermoplastic material is of inverted cup-shaped configuration, having a centrally raised wall portion 2a and depressed peripheral wall portion 2b adjacent the side walls 1.
  • the centrally raised wall portion 2a has an elongated or slotted dispensing opening 3,217,951 Patented Nov. 16, 1965 3 for dispensing the contents from the container, as will become apparent.
  • the wall portion 2a also carries a tab 4 of generally rectangular configuration.
  • This tab 4 is constructed of a flexible material, preferably aluminum foil or sheet, so as to be easily shaped, and has a coating of thermoplastic material on its surface contiguous with the top wall 2. Additionally, the tab 4 has a protruding lip 5 extending beyond the centrally raised wall portion 2a to facilitate a gripping of the same with a persons fingers.
  • the tab 4 is joined to the top wall 2 adjacent the slotted opening 3 by a heat sealing connection or welding seam joint 6.
  • the joint 6 includes a terminal joint portion 6a adjacent the end of the slot 3 opposite the lip 5 and covers a relatively wide area so as to constitute a permanent joint.
  • the edge of this terminal joint por-- tion 6a adjacent the slot 3 is curved so that the tab 4 may be bent into a trough-like shape (FIGURE 4) to facilitate dispensing the contents of the free end thereof.
  • marginal joint lines 6b also heat sealed, extend from the terminal joint portion along the sides of the tab 4 and the opposite end of the slot 3. This constitutes a temporary seal to initially seal the container for marketing purposes and the like.
  • the container is opened simply by gripping the lip 5 of the tab 4 and pulling the tab 4 back to the terminal joint portion 6a, thereby breaking the marginal heat sealing joint lines 612.
  • the container is then tilted in the usual fashion for dispensing the contents through the slot 3. This may be accomplished as shown in FIG- URE 3 by virtue of the fact the tab 4 is pivoted upwardly to dispense the contents from the end of the slot 3 opposite the terminal joint 6a.
  • the tab 4 may constitute a dispensing trough as the same may be curved into the shape of a trough due to the curved edge of terminal joint 6a adjacent the slot 3, as shown in FIGURE 4.
  • the slot 3 is closed, as shown in FIGURE 5, simply by pivoting the tab 4 back over the slot 3 and depressing the flexible tab into the slot 3 to provide an effective closing of the container.
  • a rigid container having a dispensing opening in a raised portion of one wall thereof, and a flexible tab secured to said raised portion all around said opening to sealingly cover said opening, and adapted to be partly separated from said raised portion so as to be hinged to it along a predetermined one of its own edges, which edge is located closely adjacent the rim of said opening, and further adapted, after being separated from said raised portion, selectively to overlay said opening and to be depressed therein so as to releasably and sealingly engage the entire rim of said opening.
  • a rigid container comprising walls presenting a heat sealable surface, and having a dispensing opening in a raised portion of one wall thereof, and a flexible tab heat sealed to said raised portion all around said opening to sealingly cover said opening, and adapted to be partly separated from said raised portion by breaking the heat seal along the major part of the circumference of said opening so as to be hinged to it along a predetermined one of its own edges, which edge is located closely adjacent the rim of said opening, and further adapted, after being separated from said raised portion, selectively to overlay said opening and to be depressed therein so as to releasably and sealingly engage the entire rim of said opening.
  • a rigid container having a dispensing opening in a raised portion of one wall thereof, and a flexible tab secured to said raised portion all around said opening to sealingly cover said opening, and at one side extending beyond said raised portion to form a gripping end, and adapted to be partly separated from said raised portion by pulling at said gripping end so as to be hinged to it along an edge opposite to said gripping end, which edge is located closely adjacent the rim of said opening, and further adapted, after being separated from said raised portion, selectively to overlay said opening and to be depressed therein so as to releasably and sealingly engage the entire rim of said opening.
  • a rigid container having a dispensing opening in a raised portion of one wall thereof, and a flexible tab secured to said raised portion all around said opening to sealingly cover said opening, and adapted to be partly separated from said raised portion so as to be hinged to it along a predetermined one of its own edges, which edge is located closely adjacent the rim of said opening and is curved with its concave side facing 5 said opening, so that after partly separating said flexible tab from said raised portion and bending it for substantially 90 around said predetermined edge a pouring spout is formed which is rigid lengthwise by virtue of being concave crosswise, and further adapted, after being separated, selectively to overlay said opening and to be depressed therein so as to releasably and sealingly engage the entire rim of said opening.
  • a rigid container comprising walls presenting a heat sealable surface, and having a dispensing opening in a raised portion of one wall thereof, and a flexible tab heat sealed to said raised portion all around said opening to sealingly cover said opening, and adapted to be partly separated from said raised portion by breaking the heat seal along the major part of the circumference of said opening so as to be hinged to it along a predetermined one of its own edges, which edge is located closely adjacent the rim of said opening and is curved with its concave side facing said opening, so that after partly separating said flexible tab from said raised portion and bending it for substantially 90 around said predetermined edge a pouring spout is formed which is rigid lengthwise by virtue of being concave crosswise, and further adapted, after being separated, selectively to over lay said opening and to be depressed therein so as to releasably and sealingly engage the entire rim of said opening.
  • a rigid Container having a dispensing opening in a raised portion of one wall thereof, and a flexible tab secured to said raised portion all around said opening to sealingly cover said opening, and at one side extending beyond said raised portion to form a gripping end, and adapted to be partly separated from said raised portion by pulling at said gripping end so as to be hinged to it along an edge opposite to said gripping end, which edge is located closely adjacent the rim of said opening and is curved with its concave side facing said opening, so that after partly separating said flexible tab from said raised portion and bending it for substantially around said edge a pouring spout is formed which is rigid lengthwise by virtue of being concave crosswise, and further adapted, after being separated, selectively to overlay said opening and to be depressed therein so as to releasably and sealing engage the entire rim of said opening.
  • a rigid container comprising walls being coated with a thermoplastic material at at least one surface, and having a dispensing opening in a raised portion of the upper wall thereof, and a flexible tab coated with a thermoplastic material on its surface facing said raised portion, and heat sealed to said raised portion with a narrow Welding seam along the major part of the circumference of said opening, and with a relatively wide welding seam along the remaining minor part of said circumference to sealingly cover said opening and at the side opposite said relatively wide seam extending beyond said raised portion to form a gripping end, and adapted to be partly separated from said raised portion by pulling at said gripping end to break said heat sealed welding seam along said major part of said circumference so that said tab is hinged to said raised portion along said relatively wide seam which seam is located closely adjacent the rim of said opening and is curved with its concave side facing said opening, so that after partly separating said flexible tab from said raised portion and bending it for substantally 90 around said relatively wide seam a pouring spout is formed which is rigid lengthwise

Description

NOV. 16, 1965 P CLOSURE MEANS FOR CONTAINERS Filed March 1, 1962 INVENTOR .699; BQAL United States Patent "cc 3,217,951 CLOSURE MEANS FOR CONTAINERS Hans Paal, Waiblingen, Wurttemberg, Germany, assignor to Firma Fr. Hesser Maschinenfabrik-Aktiengesellschaft, Stuttgart-Bad Cannstatt, Germany, a corporation of Germany Filed Mar. 1, 1962, Ser. No. 176,678 Claims priority, application Germany, Mar. 30, 1961, 1-1 37,686 11 Claims. (Cl. 222-528) This invention relates to a new and improved closure and dispensing arrangement for containers and the like.
The present invention contemplates the provision of a new and improved closure construction for a rigid container, which includes a tab operative to cover the dispensing opening and joined to the adjacent wall of the container by a heat sealed joint. In this regard, the container wall may be composed of a thermoplastic material, e.g. polyethylene, or coating thereof on cardboard or the like. The tab, in turn, is constructed of flexible material, e.g. aluminum sheet, and may have a similar coating thereon so that a heat sealed joint between the contiguous surfaces thereof is provided. The tab is advantageously pivoted over the opening and tightly secured therein after initial opening simply by displacing the tab into the opening by a thumb or the like.
. Another object of this invention is to provide an inexpensive and trouble-free closure and dispensing means for a container, the container having a raised portion in one wall and having a elongated slotted dispensing opening therein. A generally rectangular tab of flexible material is joined to this raised portion adjacent an end of the.
slot. A heat sealing joint is provided between the tab and container wall which includes an enlarged terminal joint portion at the end of the slot, having a curved edge adjacent the slot, while the other opposed marginal sides of the tab are secured to this wall portion by a relatively narrow heat sealing joint. The tab has a lip at its free end which extends transversely beyond the raised wall portion so that the same is quickly and easily pulled back to the terminal joint portion for initial access. By virtue of the curved terminal joint edge, the flexible tab is advantageously formed in the shape of a longitudinally extending spout for dispensing purposes; and, the container is temporarily closed after initial use simply by pivoting the tab back over the slot for securing the same therein.
.These and still further objects, advantages, and novel features of the present invention will become apparent in the specification and claims, taken in connection with the accompanying drawings.
In the drawings:
FIGURE 1 is a perspective view of the upper end of the container employing the closure means of the present invention;
FIGURE 2 is an elevational section view of the container and closure means in FIGURE 1;
FIGURES 3 and 4 are partial perspective views showing the container positioned for dispensing the contents; and
FIGURE 5 is an elevational section view similar to FIGURE 2 but showing the closure means temporarily secured after initial opening.
Referring now to the drawings, there is shown in FIG- URE 1 a rigid container having upright side walls 1 and a top wall 2 joined thereto. The top wall 2 composed of an overlaying coating of thermoplastic material is of inverted cup-shaped configuration, having a centrally raised wall portion 2a and depressed peripheral wall portion 2b adjacent the side walls 1. The centrally raised wall portion 2a has an elongated or slotted dispensing opening 3,217,951 Patented Nov. 16, 1965 3 for dispensing the contents from the container, as will become apparent.
The wall portion 2a also carries a tab 4 of generally rectangular configuration. This tab 4 is constructed of a flexible material, preferably aluminum foil or sheet, so as to be easily shaped, and has a coating of thermoplastic material on its surface contiguous with the top wall 2. Additionally, the tab 4 has a protruding lip 5 extending beyond the centrally raised wall portion 2a to facilitate a gripping of the same with a persons fingers.
The tab 4 is joined to the top wall 2 adjacent the slotted opening 3 by a heat sealing connection or welding seam joint 6. In this regard the joint 6 includes a terminal joint portion 6a adjacent the end of the slot 3 opposite the lip 5 and covers a relatively wide area so as to constitute a permanent joint. The edge of this terminal joint por-- tion 6a adjacent the slot 3 is curved so that the tab 4 may be bent into a trough-like shape (FIGURE 4) to facilitate dispensing the contents of the free end thereof. Addi tionally, marginal joint lines 6b, also heat sealed, extend from the terminal joint portion along the sides of the tab 4 and the opposite end of the slot 3. This constitutes a temporary seal to initially seal the container for marketing purposes and the like.
Initially, the container is opened simply by gripping the lip 5 of the tab 4 and pulling the tab 4 back to the terminal joint portion 6a, thereby breaking the marginal heat sealing joint lines 612. The container is then tilted in the usual fashion for dispensing the contents through the slot 3. This may be accomplished as shown in FIG- URE 3 by virtue of the fact the tab 4 is pivoted upwardly to dispense the contents from the end of the slot 3 opposite the terminal joint 6a. Alternatively, the tab 4 may constitute a dispensing trough as the same may be curved into the shape of a trough due to the curved edge of terminal joint 6a adjacent the slot 3, as shown in FIGURE 4. After the desired amount of the contents. have been dispensed, the slot 3 is closed, as shown in FIGURE 5, simply by pivoting the tab 4 back over the slot 3 and depressing the flexible tab into the slot 3 to provide an effective closing of the container.
From the foregoing description of the various embodiments of this invention, it is evident that the objects of this invention, together with many practical advantages are successfully achieved. While preferred embodiments of my invention have been described, numerous further modifications may be made without departing from the scope of this invention.
Therefore, it is to be understood that all matters herein set forth or shown in the accompanying drawings are to be interpreted in an illustrative, and not in a limiting sense.
What is claimed is:
1. In combination, a rigid container having a dispensing opening in a raised portion of one wall thereof, and a flexible tab secured to said raised portion all around said opening to sealingly cover said opening, and adapted to be partly separated from said raised portion so as to be hinged to it along a predetermined one of its own edges, which edge is located closely adjacent the rim of said opening, and further adapted, after being separated from said raised portion, selectively to overlay said opening and to be depressed therein so as to releasably and sealingly engage the entire rim of said opening.
2. In combination, a rigid container comprising walls presenting a heat sealable surface, and having a dispensing opening in a raised portion of one wall thereof, and a flexible tab heat sealed to said raised portion all around said opening to sealingly cover said opening, and adapted to be partly separated from said raised portion by breaking the heat seal along the major part of the circumference of said opening so as to be hinged to it along a predetermined one of its own edges, which edge is located closely adjacent the rim of said opening, and further adapted, after being separated from said raised portion, selectively to overlay said opening and to be depressed therein so as to releasably and sealingly engage the entire rim of said opening.
3. The combination defined in claim 2 wherein the walls of said container and said tab on the surface facing said container are coated with a thermoplastic material.
4. In combination, a rigid container having a dispensing opening in a raised portion of one wall thereof, and a flexible tab secured to said raised portion all around said opening to sealingly cover said opening, and at one side extending beyond said raised portion to form a gripping end, and adapted to be partly separated from said raised portion by pulling at said gripping end so as to be hinged to it along an edge opposite to said gripping end, which edge is located closely adjacent the rim of said opening, and further adapted, after being separated from said raised portion, selectively to overlay said opening and to be depressed therein so as to releasably and sealingly engage the entire rim of said opening.
5. The combination defined in claim 4 in which said tab is secured to said raised portion by means of a narrow welding seam and said edge opposite to said gripping end is secured by a relatively wide Welding seam so as to constitute a permanent joint.
6. In combination, a rigid container having a dispensing opening in a raised portion of one wall thereof, and a flexible tab secured to said raised portion all around said opening to sealingly cover said opening, and adapted to be partly separated from said raised portion so as to be hinged to it along a predetermined one of its own edges, which edge is located closely adjacent the rim of said opening and is curved with its concave side facing 5 said opening, so that after partly separating said flexible tab from said raised portion and bending it for substantially 90 around said predetermined edge a pouring spout is formed which is rigid lengthwise by virtue of being concave crosswise, and further adapted, after being separated, selectively to overlay said opening and to be depressed therein so as to releasably and sealingly engage the entire rim of said opening.
7. In combination, a rigid container comprising walls presenting a heat sealable surface, and having a dispensing opening in a raised portion of one wall thereof, and a flexible tab heat sealed to said raised portion all around said opening to sealingly cover said opening, and adapted to be partly separated from said raised portion by breaking the heat seal along the major part of the circumference of said opening so as to be hinged to it along a predetermined one of its own edges, which edge is located closely adjacent the rim of said opening and is curved with its concave side facing said opening, so that after partly separating said flexible tab from said raised portion and bending it for substantially 90 around said predetermined edge a pouring spout is formed which is rigid lengthwise by virtue of being concave crosswise, and further adapted, after being separated, selectively to over lay said opening and to be depressed therein so as to releasably and sealingly engage the entire rim of said opening.
8. The combination defined in claim 7 wherein the Walls of said container and said tab on the surface facing said container are coated with a thermoplastic material.
9. In combination, a rigid Container having a dispensing opening in a raised portion of one wall thereof, and a flexible tab secured to said raised portion all around said opening to sealingly cover said opening, and at one side extending beyond said raised portion to form a gripping end, and adapted to be partly separated from said raised portion by pulling at said gripping end so as to be hinged to it along an edge opposite to said gripping end, which edge is located closely adjacent the rim of said opening and is curved with its concave side facing said opening, so that after partly separating said flexible tab from said raised portion and bending it for substantially around said edge a pouring spout is formed which is rigid lengthwise by virtue of being concave crosswise, and further adapted, after being separated, selectively to overlay said opening and to be depressed therein so as to releasably and sealing engage the entire rim of said opening.
10. The combination defined in claim 9 in which said tab is secured to said raised portion by means of a narrow welding seam and said edge opposite to said gripping end is secured by a relatively wide welding seam so as to constitute a permanent joint.
11. In combination, a rigid container comprising walls being coated with a thermoplastic material at at least one surface, and having a dispensing opening in a raised portion of the upper wall thereof, and a flexible tab coated with a thermoplastic material on its surface facing said raised portion, and heat sealed to said raised portion with a narrow Welding seam along the major part of the circumference of said opening, and with a relatively wide welding seam along the remaining minor part of said circumference to sealingly cover said opening and at the side opposite said relatively wide seam extending beyond said raised portion to form a gripping end, and adapted to be partly separated from said raised portion by pulling at said gripping end to break said heat sealed welding seam along said major part of said circumference so that said tab is hinged to said raised portion along said relatively wide seam which seam is located closely adjacent the rim of said opening and is curved with its concave side facing said opening, so that after partly separating said flexible tab from said raised portion and bending it for substantally 90 around said relatively wide seam a pouring spout is formed which is rigid lengthwise by virtue of being concave crosswise, and further adapted, after being separated, selectively to overlay said opening and to be depressed therein so as to releasably andsealingly engage the entire rim of said opening.
References Cited by the Examiner UNITED STATES PATENTS 1,261,260 4/1918 Meares 222-541 X 1,473,453 11/ 1923 Wunderlich 222-541 X 1,596,638 8/1926 Turpel et a1. 222-541 2,338,604 6/ 1944 Silveyra 2297 X 2,353,521 7/1944 Steffens 222-530 2,617,563 11/1952 Miller 229-7 X 2,715,982 8/1955 Preston 222-541 2,870,935 1/ 1959 Houghtelling 220-53 3,108,708 10/1963 Betner 220-54 FOREIGN PATENTS 613,023 1/1961 Canada.
LOUIS I. DEMBO, Primary Examiner.
LAVERNE D. GEIGER Examiner.

Claims (1)

1. IN COMBINATION, A RIGID CONTAINER HAVING A DISPENSING OPENING IN A RAISED PORTION OF ONE WALL THEREOF, AND A FLEXIBLE TAB SECURED TO SAID RAISED PORTION ALL AROUND SAID OPENING TO SEALINGLY COVER SAID OPENING, SAID ADAPTED TO BE PARTLY SEPARATED FROM SAID RAISED PORTION SO AS TO BE HINGED TO ITS ALONG A PREDETERMINED ONE OF ITS OWN EDGES, WHICH EDGE IS LOCATED CLOSELY ADJACENT THE RIM OF SAID OPENING, AND FURTHER ADAPTED, AFTER BEING SEPARATED FROM SAID RAISED PORTION, SELECTIVELY TO OVERLAY SAID OPENING AND TO BE DEPRESSED THEREIN SO AS TO RELEASABLY AND SEALING ENGAGE THE ENTIRE RIM OF SAID OPENING.
US176678A 1961-03-30 1962-03-01 Closure means for containers Expired - Lifetime US3217951A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH37686U DE1832772U (en) 1961-03-30 1961-03-30 LOCKING DEVICE FOR RIGID PACKAGING CONTAINERS.

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Cited By (25)

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US3275203A (en) * 1965-07-19 1966-09-27 Gutmann & Co Ferd Low vapor permeability container closure including push-out tab for forming pour mouth and method for making same
US3292828A (en) * 1964-09-17 1966-12-20 Nat Can Corp Easy opening can end
US3298577A (en) * 1964-10-01 1967-01-17 Walter K Chlystun Container with pouring spout
US3353738A (en) * 1965-02-10 1967-11-21 Tetra Pak Ab Package having a slit folding line forming a pouring edge
US3371811A (en) * 1964-11-20 1968-03-05 Corning Glass Works Container closure
US3871550A (en) * 1973-05-29 1975-03-18 Continental Can Co Push-in easy opening container
US3889844A (en) * 1973-08-30 1975-06-17 Minnesota Mining & Mfg Can closure
US3977591A (en) * 1974-06-28 1976-08-31 Ab Ziristor Cover strip for the pouring opening in a packing container
DE2849756A1 (en) * 1978-11-16 1980-05-29 Eckes Fa Peter Container with detachable sealing portion - has grip strip glued to portion in raised section of cover
US4516689A (en) * 1984-06-22 1985-05-14 The Procter & Gamble Company Easy open/reclosable container with pouring lip and hold-open feature
US4582216A (en) * 1984-06-22 1986-04-15 The Procter & Gamble Company Easy open-reclosable container with pouring lip/drain surface
US4807787A (en) * 1987-05-12 1989-02-28 The Procter & Gamble Company Easy-open/reclosure device having deformable pour spout
US4981256A (en) * 1989-06-21 1991-01-01 Lever Brothers Company Ultrathin carton closure
EP0816283A1 (en) * 1996-07-03 1998-01-07 Walter E. Hidding Protective tamper-evident label and bottle cap
US20040074955A1 (en) * 2001-07-27 2004-04-22 Mckenna S. Joseph Pour spout attachment for packages
US20060249475A1 (en) * 2005-04-26 2006-11-09 Giles Mark T Jar cap with vacuum relief closure
US20070278116A1 (en) * 2004-03-16 2007-12-06 Andreas Michalsky Method Of Producing A Tubular Pouch Having A Standing Base Formed Integrally Therewith, And Tubular Pouch
US20080044525A1 (en) * 2001-12-14 2008-02-21 Christian Fenn-Barrabass Packagagin And Sealing Tool For Production Thereof
US20080063320A1 (en) * 2004-05-27 2008-03-13 Zaweigniederlassung Der Huhtamaki Deutschland Tubular bag
WO2008058579A1 (en) * 2006-11-17 2008-05-22 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Container, in particular flexible tubular-bag and/or enclosure-like packaging container
US20080193059A1 (en) * 2005-04-08 2008-08-14 Der Huhtamaki Deutschland Gmbh & Co., Kg Agerman Corporation Tubular Pouch with Lid Piece
US20080203141A1 (en) * 2005-04-18 2008-08-28 Joachim Friebe Film Packaging Having Tamper-Evident Means
US20080232721A1 (en) * 2005-08-23 2008-09-25 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtama Ki Deutschland Gmbh & Co. Kg Tubular Bag and Method For Filling It
US8056209B2 (en) 2004-05-27 2011-11-15 Zweigniederlassung Der Huhtamaki Deutschland, Gmbh & Co. Kg Tubular, especially can-shaped, receptacle for the accommodation of fluids, a method of manufacture and use
US8468782B2 (en) 2004-11-04 2013-06-25 Herrmann Ultraschalltechnik Gmbh & Co. Kg Method for producing a bottle-like or tubular container, particularly a tubular bag, comprising a sealed-in bottom, and a correspondingly produced tubular bag

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GB2193189B (en) * 1986-07-28 1990-03-07 Tetra Pak Finance & Trading A pack for flowable material
GB0228685D0 (en) * 2002-12-09 2003-01-15 United Biscuits Ltd Improvements in or relating to food packaging

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US1261260A (en) * 1916-09-29 1918-04-02 William Devenish Meares Means for facilitating the pouring of liquid contents from cans, tins, and the like.
US1473453A (en) * 1922-01-21 1923-11-06 Albert W Wunderlich Liquid container
US1596638A (en) * 1924-10-09 1926-08-17 George H Turpel Coffee can or the like
US2353521A (en) * 1941-02-10 1944-07-11 Eugene C Steffens Milk bottle cream dispenser
US2338604A (en) * 1942-01-22 1944-01-04 Silveyra Ricardo Flexible or pliable container
US2617563A (en) * 1946-01-04 1952-11-11 Miller Samuel Foldable dispensing and closure device
US2715982A (en) * 1952-02-28 1955-08-23 Philip D Gould Cover with pouring spout incorporated therein
US2870935A (en) * 1955-01-27 1959-01-27 Suzanne Kaaren Blackmer Container seal
US3108708A (en) * 1959-11-10 1963-10-29 Plastomatic Corp Sealed plastic containers

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292828A (en) * 1964-09-17 1966-12-20 Nat Can Corp Easy opening can end
US3298577A (en) * 1964-10-01 1967-01-17 Walter K Chlystun Container with pouring spout
US3371811A (en) * 1964-11-20 1968-03-05 Corning Glass Works Container closure
US3353738A (en) * 1965-02-10 1967-11-21 Tetra Pak Ab Package having a slit folding line forming a pouring edge
US3275203A (en) * 1965-07-19 1966-09-27 Gutmann & Co Ferd Low vapor permeability container closure including push-out tab for forming pour mouth and method for making same
US3871550A (en) * 1973-05-29 1975-03-18 Continental Can Co Push-in easy opening container
US3889844A (en) * 1973-08-30 1975-06-17 Minnesota Mining & Mfg Can closure
US3977591A (en) * 1974-06-28 1976-08-31 Ab Ziristor Cover strip for the pouring opening in a packing container
DE2849756A1 (en) * 1978-11-16 1980-05-29 Eckes Fa Peter Container with detachable sealing portion - has grip strip glued to portion in raised section of cover
US4516689A (en) * 1984-06-22 1985-05-14 The Procter & Gamble Company Easy open/reclosable container with pouring lip and hold-open feature
US4582216A (en) * 1984-06-22 1986-04-15 The Procter & Gamble Company Easy open-reclosable container with pouring lip/drain surface
US4807787A (en) * 1987-05-12 1989-02-28 The Procter & Gamble Company Easy-open/reclosure device having deformable pour spout
US4981256A (en) * 1989-06-21 1991-01-01 Lever Brothers Company Ultrathin carton closure
EP0816283A1 (en) * 1996-07-03 1998-01-07 Walter E. Hidding Protective tamper-evident label and bottle cap
KR100444595B1 (en) * 1996-07-03 2004-12-08 블랙호크 모닝 컴퍼니 인코포레이티드 Protective tamper-evident label and bottle cap
US20040074955A1 (en) * 2001-07-27 2004-04-22 Mckenna S. Joseph Pour spout attachment for packages
US20080044525A1 (en) * 2001-12-14 2008-02-21 Christian Fenn-Barrabass Packagagin And Sealing Tool For Production Thereof
US8153216B2 (en) 2001-12-14 2012-04-10 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Packaging with passage regions and sealing tool for production thereof
US20070278116A1 (en) * 2004-03-16 2007-12-06 Andreas Michalsky Method Of Producing A Tubular Pouch Having A Standing Base Formed Integrally Therewith, And Tubular Pouch
US20080063320A1 (en) * 2004-05-27 2008-03-13 Zaweigniederlassung Der Huhtamaki Deutschland Tubular bag
US8056209B2 (en) 2004-05-27 2011-11-15 Zweigniederlassung Der Huhtamaki Deutschland, Gmbh & Co. Kg Tubular, especially can-shaped, receptacle for the accommodation of fluids, a method of manufacture and use
US8468782B2 (en) 2004-11-04 2013-06-25 Herrmann Ultraschalltechnik Gmbh & Co. Kg Method for producing a bottle-like or tubular container, particularly a tubular bag, comprising a sealed-in bottom, and a correspondingly produced tubular bag
US20080193059A1 (en) * 2005-04-08 2008-08-14 Der Huhtamaki Deutschland Gmbh & Co., Kg Agerman Corporation Tubular Pouch with Lid Piece
US20080203141A1 (en) * 2005-04-18 2008-08-28 Joachim Friebe Film Packaging Having Tamper-Evident Means
US8240546B2 (en) 2005-04-18 2012-08-14 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Film packaging having tamper-evident means
US20060249475A1 (en) * 2005-04-26 2006-11-09 Giles Mark T Jar cap with vacuum relief closure
US20080232721A1 (en) * 2005-08-23 2008-09-25 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtama Ki Deutschland Gmbh & Co. Kg Tubular Bag and Method For Filling It
WO2008058579A1 (en) * 2006-11-17 2008-05-22 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Container, in particular flexible tubular-bag and/or enclosure-like packaging container

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DE1832772U (en) 1961-06-08
CH402729A (en) 1965-11-15

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