Flexible, stackable container and method and system for manufacturing the same

• US 10,023,337 B2
• Filed: 11/25/2013
• Issued: 07/17/2018
• Est. Priority Date: 08/08/2007
• Status: Active Grant

• Current Assignee: PrimaPak, LLC
• Original Assignee: PrimaPak, LLC
• Inventors: Sanfilippo, John E., Sanfilippo, James J., Skaggs, Jeanne M., Speer, Roy
• Primary Examiner(s): Stashick, Anthony
• Assistant Examiner(s): IMPINK, MOLLIE LLEWELLYN
• Application Number:
  US14/089,581
• Publication Number:
  US 20140083897A1
• Time in Patent Office: 1,695 Days
• CPC Class Codes: B31B 50/26 Folding sheets, blanks or webs
• CPC Class Codes: B31B 50/62 by adhesives
• CPC Class Codes: B31B 50/81 Forming or attaching accessories, e.g. opening devices, closures or tear strings
• CPC Class Codes: B65B 1/02 Machines characterised by the incorporation of means for making the containers or receptacles from flat, folded, or tubular webs of flexible sheet material B65B9/00
• CPC Class Codes: B65B 2220/18 the primary packaging being bags the subsequent secondary packaging being rigid containers, e.g. cardboard box
• CPC Class Codes: B65B 3/02 Machines characterised by the incorporation of means for making the containers or receptacles
• CPC Class Codes: B65B 43/10 by folding the material
• CPC Class Codes: B65B 5/022 for making bags
• CPC Class Codes: B65B 61/182 by applying tear-strips or tear-tapes
• CPC Class Codes: B65B 61/186 by applying or incorporating rigid fittings, e.g. discharge spouts
• CPC Class Codes: B65B 9/08 in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing
• CPC Class Codes: B65B 9/20 the webs being formed into tubes in situ around the filling nozzles
• CPC Class Codes: B65D 21/0209 stackable or joined together one-upon-the-other in the upright or upside-down position B65D21/0234, B65D21/0235 take precedence
• CPC Class Codes: B65D 2575/586 with means for reclosing
• CPC Class Codes: B65D 5/746 Spouts formed separately from the container
• CPC Class Codes: B65D 75/008 Standing pouches, i.e. "Standbeutel"
• CPC Class Codes: B65D 75/5877 connected to a planar surface of the package wall

Abstract

A flexible, stackable container for storing a quantity of a product may include a sealed package formed from a single sheet of film and retaining the quantity of the product disposed therein, and a lid fitment attached to a first side of the package. The first side of the package may have an outer first surface of the film and outwardly extending first corner seals formed in the film at the edges of the first side and surrounding the first side of the package. The package may also have a second side disposed opposite the first side and outwardly extending second corner seals formed in the film at the edges of the second side and surrounding the second side of the package.

Claims

1. A flexible, stackable container that is used for storing a quantity of product, comprising:

oppositely disposed top and bottom panels, the top panel having a top planar surface and the bottom panel having a bottom planar surface;

oppositely disposed front and rear panels;

oppositely disposed first and second lateral sides;

a removable flap defining an opening for accessing an interior of the container, the removable flap being defined in at least one of the top, bottom, front, and rear panels;

a single corner seal extending outwardly from the top planar surface or the bottom planar surface in a substantially perpendicular direction;

a leading seal extending outwardly from the first lateral side, wherein the leading seal is folded over such that the leading seal is disposed in substantially the same plane as the first lateral side;

a trailing seal extending outwardly from the second lateral side, wherein the trailing seal is folded over such that the trailing seal is disposed in substantially the same plane as the second lateral side; and

a lid fitment attached to the at least one of the top, bottom, front, and rear panels having the removable flap defined therein, wherein the lid fitment comprises a base having an opening sized to expose the removable flap and a lid covering the opening and overlapping substantially the entirety of the base,

wherein;

the top, bottom, front, and rear panels and the first and second lateral sides are configured from a single sheet of film having oppositely disposed lateral edges and oppositely disposed leading and trailing edges,

first and second portions of the leading edge are joined by the leading seal,

first and second portions of the trailing edge are joined by the trailing seal,

the oppositely disposed lateral edges of the single sheet of film are joined together at an edge seal, wherein the edge seal cooperates with the single corner seal to surround an entire peripheral edge of the top planar surface or the bottom planar surface,

the other of the bottom panel or the top panel is without corner seals,

two top peripheral sides of the top panel and the two bottom peripheral sides of the bottom panel are tucked inwardly toward the interior of the package and are partially covered by the leading and trailing seals, and

the interior of the package is sealed by the edge seal, the leading seal, and the trailing seal.

2. The flexible container of claim 1, wherein, the leading seal is folded over and secured to an outer surface of the package at the first lateral side such that the leading seal is disposed substantially in the plane of the first lateral side, and the trailing seal is folded over and secured to an outer surface of the package at the second lateral side such that the trailing seal is disposed substantially in the plane of the second lateral side.

3. The flexible, stackable container of claim 1, wherein the single corner seal extends outwardly from the top planar surface and the single corner seal and the edge seal surround the entire peripheral edge of the top planar surface and the bottom panel is without corner seals.

4. The flexible, stackable container of claim 1, wherein the single corner seal extends outwardly from the bottom planar surface and the single corner seal and the edge seal surround the entire peripheral edge of the bottom planar surface and the top panel is without corner seals.

5. The flexible, stackable container of claim 1, further comprising a cover attached to the removable flap, the cover comprising a peelable seal area to reseal over the opening after removal of the removable flap.

6. The flexible, stackable container of claim 5, comprising a pull tab attached to the cover and having a gripping portion that is grasped by a user.

7. The flexible, stackable container of claim 4, wherein the lid fitment is attached to the top planar surface.

8. The flexible, stackable container of claim 1, wherein the lid is attached to the base at a hinge, and the lid comprises an upwardly extending central raised portion.

9. A flexible, stackable container, comprising:

a plurality of panels defining an interior volume, wherein the plurality of panels comprises a top panel and oppositely disposed bottom panel, and a first lateral side and an oppositely disposed second lateral side and the plurality of panels are configured from a single sheet of film;

a container opening for accessing the interior volume defined in the top panel;

an edge seal joining lateral edges of the single sheet of film;

at least one corner seal extending outwardly from the top planar surface or the bottom planar surface in a substantially perpendicular direction and surrounding a portion of the top or bottom peripheral edge of the top planar surface or the bottom planar surface, respectively, wherein the other of the top panel or the bottom panel is without corner seals;

a leading seal extending outwardly from the first lateral side, wherein leading seal folded over such that the leading seal is disposed in substantially the same plane as the first lateral side;

a trailing seal extending outwardly from the second lateral side, wherein the trailing seal is folded over such that the trailing seal is disposed in substantially the same plane as the second lateral side; and

a lid fitment attached to the top panel and covering the container opening, wherein the lid fitment comprises a base having an opening for accessing the container opening and a lid covering the opening and overlapping substantially the entirety of the base.

10. The flexible, stackable container of claim 9, wherein the lid is attached to the base at a hinge, and the lid comprises an upwardly extending central raised portion.

11. The flexible, stackable container of claim 9, comprising a removable flap defining the container opening.

12. The flexible, stackable container of claim 9, wherein the top panel comprises two top peripheral sides and the two top peripheral sides of the top panel and the two bottom peripheral sides of the bottom panel are tucked inwardly toward the interior of the package and are partially covered by the leading and trailing seals.

13. The flexible, stackable container of claim 9, wherein the at least one corner seal is a single corner seal and the single corner seal and the edge seal cooperate to surround the entire peripheral edge of the top planar surface or the bottom planar surface.

14. A flexible, stackable container that is used for storing a quantity of product, comprising:

oppositely disposed top and bottom panels, the top panel having a top planar surface surrounded and a top peripheral edge and the bottom panel having a bottom planar surface and bottom peripheral edge;

oppositely disposed front and rear panels;

oppositely disposed first and second lateral sides, wherein the top, bottom, front and rear panels and the first and second lateral sides are configured from a single sheet of film;

a container opening for accessing an interior of the container defined in one of the top, bottom, front, and rear panels;

an edge seal joining lateral edges of the single sheet of film;

at least one corner seal extending outwardly from the top planar surface or the bottom planar surface in a substantially perpendicular direction and surrounding a portion of the top or bottom peripheral edge of the top planar surface or the bottom planar surface, respectively, wherein the other of the top panel or the bottom panel is without corner seals;

a leading seal extending outwardly from the first lateral side, wherein leading seal folded over such that the leading seal is disposed in substantially the same plane as the first lateral side; and

a trailing seal extending outwardly from the second lateral side, wherein the trailing seal is folded over such that the trailing seal is disposed in substantially the same plane as the second lateral side.

15. The flexible stackable container of claim 14, wherein the container comprises two corner seals extending outwardly from the top planar surface, and the two corner seals cooperate to surround the entire peripheral edge of the top planar surface and the bottom panel is without corner seals.

16. The flexible, stackable container of claim 14, wherein the at least one corner seal is a single corner seal extending outwardly from the bottom planar surface, and the single corner seal and the edge seal cooperate to surround the entire bottom peripheral edge and the top panel is without corner seals.

17. The flexible container of claim 14, wherein two opposed portions of the top peripheral edge two opposed portions of the bottom peripheral edge are tucked inwardly toward the interior of the package and are partially covered by the leading and trailing seals.