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EVF41184

Tapered Gusset Takeout Box

The EVF41184 is a classic tapered folding carton, widely recognized as a takeout box or food pail. It features a continuous, uncut base with webbed corner gussets that fold inward, providing inherent resistance to bottom leaks without the need for adhesive.

Delivered flat, this one-piece package is erected manually. The top is secured by an integrated interlocking lid with a tuck tongue, holding the tapered walls in tension and creating a distinctive presentation for food service, bakery, or retail gift applications.

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At a glance

  • Continuous webbed corners prevent bottom sifting and minor leaks
  • Integrated tongue-and-slit lid locks the package without glue
  • Delivered flat for manual assembly at the packing station

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Practical Uses for the Tapered Gusset Box

Food Service and Takeout

The continuous bottom corners make this an excellent choice for dry, bulky, or slightly moist foods. Because there are no cut seams at the base, it naturally contains crumbs and minor grease. For wet applications, a poly-coated board is required.

Retail and Gift Packaging

The tapered profile and interlocking lid offer a unique, recognizable shape that stands out on shelves. It works well for lightweight retail items, confectionery, and kits where presentation is a priority.

Bakery and Confectionery

The wide top opening allows easy loading of delicate pastries, truffles, or cookies. The interlocking lid keeps contents secure during transit from the bakery to the consumer.

Deli and Prepared Foods

When manufactured with a grease-resistant or poly-coated board, the continuous base handles thick deli items like salads or pastas without leaking through the bottom corners.

Industry and Packing Contexts

Manual Packing Stations

This box is designed entirely for hand assembly. Operators must pre-break the creases and fold the webbed corners inward while securing the top flaps. It is efficient for on-demand packing but is not suited for automated erecting lines.

High-End Retail Displays

The distinctive tapered shape provides four angled display panels that catch the eye. It is often chosen over basic rectangular cartons when shelf presence and unboxing experience matter more than packing speed.

Event and Catering Operations

Because the trays ship completely flat, they take up very little storage space. Catering staff can quickly fold them into rigid, leak-resistant containers on-site as needed.

When to Consider Alternative Trays

High-Volume Automated Packing

If your operation relies on automated case erectors or folder-gluers, the complex bellows-fold of the webbed corners will be a bottleneck. Evaluate a four-corner glued tray or a crash-lock base, which are designed for rapid, mechanized setup.

Heavy Top-Load Stacking

The tapered walls provide limited vertical compression strength compared to straight-walled boxes. If the packages must be stacked high on pallets without an outer shipper, a straight-sided carton or rigid tray is a safer choice.

Key Decisions Before Quoting

Board Grade and Folding Endurance

The webbed gussets must fold 180 degrees to lay flat against the interior walls. Selecting a board with excellent folding endurance is critical to prevent cracking at these corners. Typical folding carton board is usually preferred over thicker corrugated materials, which can bind and tear during assembly.

Moisture and Grease Barriers

While the uncut corners prevent physical leaks, the paperboard itself will absorb moisture unless treated. Specify a poly-coated or grease-resistant board if the package will hold wet or oily contents.

Base Footprint and Taper Angle

The size of the base and the angle of the walls determine the overall volume. A wider taper angle increases the top opening but also increases the size of the flat blank, which can reduce nesting efficiency on the press sheet.

Lock Friction and Tongue Size

The tuck tongue must hold the folded walls in tension. The length and width of this tongue can be adjusted to increase friction, ensuring the lid stays closed during handling.

Template Adjustments

Taper Angle and Footprint

The angle of the tapered walls can be adjusted, which directly changes the geometry of the webbed corners. Steep taper angles should be prototyped to ensure the gussets do not bind when folded.

Tongue Lock Friction

The length and width of the tuck tongue, as well as the receiving slit, can be modified to increase or decrease the opening friction, depending on how securely the lid needs to hold against the outward tension of the folded walls.

Asymmetric Base Proportions

The template can be adjusted to accommodate a rectangular base rather than a square one. This changes the folding logic of the webbed corners and may require a shorter tongue lock to maintain proper closure.

Packing details

Blank Sprawl and Material Efficiency

Because the webbed corners and attached lid extend outward in the flat state, the blank has an irregular, star-like shape. This can reduce nesting efficiency on the press sheet compared to basic rectangular cartons, which should be factored into high-volume production planning.

Base Shape Variants

EVF41184a (Asymmetric Taper Logic)

Introduces asymmetric taper logic and a shorter tongue lock, often used when adapting the design for a rectangular rather than square base footprint.

Additional notes

Pre-breaking creases

For smooth manual assembly, operators should pre-break the diagonal corner creases before pulling the walls upward. This ensures the gussets fold inward cleanly without bowing the main walls.

Grain direction

To maintain the physical integrity of the base, the grain direction of the board should typically run perpendicular to the main load-bearing creases.

Related Packaging Styles

EVF3: Four-Corner Glued Trays

Evaluate this alternative if you need a tray that sets up instantly or runs on automated lines, and bottom corner leaks are not a concern.

EVF: Crash-Lock Base Cartons

Consider this style for faster manual assembly when a continuous, leak-resistant bottom is not required.

FAQs

Is this box liquid-tight?

The continuous webbed corners prevent physical gaps at the bottom, making it leak-resistant for thick sauces or moist items. However, to hold actual liquids or prevent grease stains, the board must be specified with a poly-coating or similar barrier.

Can this box be assembled by machine?

No. The complex action of folding the webbed gussets inward while raising the tapered walls requires human dexterity. It is designed for manual assembly at the packing station.

Can I use corrugated board for this design?

It is generally not recommended. The webbed corners must fold completely flat (180 degrees) against the side walls. Corrugated fluting is usually too thick for this fold and will crush, bind, or tear the material.

Can I ship this box directly in the mail?

No. The mechanical tongue-and-slit lock can easily pop open during rough parcel transit, and the tapered walls are not designed to withstand heavy crushing forces. It requires a sturdy outer shipping box for courier networks.

Where can graphics be printed?

The four tapered exterior walls and the top lid provide excellent, unobstructed panels for branding. The webbed gussets fold inward, hiding their interior faces, and the base is typically out of view.

Can the locking mechanism be made tighter?

Yes. The dimensions of the tuck tongue and the receiving slit can be adjusted during the design phase to increase the friction and hold the lid more securely.

How is the box delivered?

The box is delivered completely flat. The packer must manually fold the walls up and tuck the webbed corners inward to form the tray.

Does this box require glue?

No. The entire package is held together by the tension of the folded webbed corners and the mechanical tongue-and-slit lock on the lid.

A classic, proven format for takeout and retail presentation that combines leak resistance with simple, glue-free assembly.