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ECMA D20.20.20.00

Tapered 4-Corner Glued Tray

  • Available in a wide range of custom configurations & material selection.
  • Order 1 sample. Or order 100K+ units. Or anything in between.
  • Affordable delivery across North America.
  • Design support, warehousing, testing, assembly available.
  • Widest machinery capability in America via 30+ specialist partner plants.
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Product details

Top highlights

  • Tapered walls allow empty trays to nest
  • Open top for fast loading and retail display
  • Usually relies on adhesive and automated tray forming

About this product

This open-top, four-corner glued tray features a tapered base, making it wider at one end than the other. The angled walls allow empty trays to nest efficiently before use, while the glued corners provide rigid support for top-loading bakery, confectionery, or retail presentation goods.

Because it relies on adhesive rather than friction locks, it is usually erected by automated tray-forming equipment rather than by hand.

Common uses

  • Automated bakery and confectionery packing
  • Fast-food service trays
  • Retail presentation trays for top-loaded goods
  • Produce and agricultural packing

Get a quote

Share what you know. We'll take it from there. Or email us at info@herculeindustrial.com

Best Price Guarantee

Already have a packaging quote? Let us beat it.

Send us the quote you have. We will beat it for the same specifications, quantity, and delivery requirements.

Upload a competing quote

Free quote review. No obligation.

30+specialist partner plants

We supply through the plant best suited to your price, material, production, and delivery requirements.

Why we can beat a lower quote

30+ plants give us more ways to lower the price.

Each plant has different machinery, material costs, order minimums, and freight rates. Our buying volume helps us secure better pricing. We then quote through the plant that gives you the lowest total price for your requirements.

Send us your current quote. Watch us beat it.

Attach it to the quote form or email it to us. We'll review it free and send you our price.

Upload a competing quoteinfo@herculeindustrial.com
Best Price Guarantee terms

To qualify, send a written supplier quote dated within the past 30 days and addressed to your company. It must cover the same dimensions, construction, material, print, finish, quantity, tooling, freight, delivery date, and delivery location. The guarantee does not cover taxes, expired quotes, liquidation or clearance sales, or obvious pricing errors.

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Top-loading and presentation jobs

Large bakery and confectionery packing

The open top and angled walls provide immediate product visibility, making this tray a strong fit for baked goods or sweets that are loaded from above and displayed directly on the shelf.

Fast-food service and catering

The open design and tapered shape allow easy access to meals and sides, while the nesting ability keeps the serving counter organized before orders are packed.

Retail presentation for top-loaded goods

The angled walls provide a natural display surface for retail environments, allowing branding to be visible even when the tray is sitting flat on a shelf.

Produce and agricultural packing

When packing fresh goods, the nesting ability saves valuable space in packing sheds, allowing large quantities of erected trays to be staged near the loading area.

Packing line and fulfillment setups

Automated tray-forming lines

Because this tray relies on adhesive rather than friction locks, it is often chosen by packing facilities equipped with automated tray formers. The flat blanks are formed while adhesive is applied to the four corners.

High-speed fulfillment operations

The tapered shape allows erected trays to stack inside one another. This nesting behavior means fulfillment centers can erect batches of trays in advance without taking up excessive floor space.

Retail shelf-ready displays

The open design allows the tray to move directly from the outer shipper to the retail shelf, reducing the labor required to unpack and display individual items.

When to consider straight walls or manual locks

Manual assembly and trial runs

If your packing team erects trays by hand, a glued corner without pre-folding is slow and impractical. Compare an unglued lock-formed tray, which uses friction tabs to hold its shape without machinery or tape.

Enclosed transit requirements

The open top provides no protection against dust or vertical stacking pressure. If the product needs top protection during transit, compare a lidded tray or a standard folding carton.

Machinery fit and board selection

Tray forming equipment compatibility

The exact taper (the difference between the wide end and the narrow end) should match the forming equipment. Confirming these dimensions early helps the machine form and glue the blank cleanly.

Board stiffness and wall splay

The angled side walls depend on the glued corners and the board's rigidity to stay upright. Heavy products or weak board grades can cause the walls to bow outward, so caliper should be matched to the payload.

Empty tray nesting and scuff risk

The trapezoidal shape allows erected, empty trays to stack inside one another without vacuum-locking. If trays will be nested before use, the board finish and ink should be evaluated to prevent scuffing when they are pulled apart.

Secondary shipping containers

Because the tray is open, it usually needs a secondary outer shipper for distribution. The dimensions of the tray should be planned alongside the master carton to provide a tight fit.

Taper ratios and nesting behavior

Taper ratio and interlocking layouts

Adjusting the top and bottom widths changes the tray's footprint. A well-planned taper not only fits the product but allows the flat blanks to interlock on the sheet, reducing material waste during die-cutting.

Wall height adjustments

Changing the depth of the tray affects both product containment and how densely the empty trays can nest. Deeper trays provide more protection but may require more vertical space when stacked.

Corner flap angles

The angles of the corner glue flaps are derived directly from the taper ratio. They adjust automatically when the tray dimensions change to keep the glued joints flush.

Board and packing details

Die-cutting layout and material yield

The tapered shape often allows flat blanks to interlock on the cutting die. This nesting layout can improve material yield compared to straight-walled rectangular trays, especially on large production runs.

Additional notes

Machine guide tuning

Because the glue flaps fold inward at acute and obtuse angles rather than standard 90-degree bends, the tray former's guides should be tuned to catch and fold the flaps before adhesive is applied.

Alternative tray and carton styles

D10.20.00.00: Unglued tapered tray

Uses friction locks instead of glue, making it the better choice for hand assembly.

FAQs

Assembly and packing

Can this tray be erected by hand?

This tray is a poor fit for manual packing. The corners lack friction locks or tabs, meaning a packer would have to manually apply adhesive and hold the flaps in place. For hand assembly, an unglued lock-style tray is much faster.

Does this tray arrive pre-glued?

It is delivered as a flat blank. The corners are glued on-site as the tray is formed by automated equipment.

Shipping and route

Can this tray be shipped as a standalone parcel?

The open top provides no containment or protection for courier networks. It usually needs a secondary outer shipper for transit.

Design and modifications

Can we manually adjust the corner flap angles?

The corner angles are automatically derived from the tray's length and its two width dimensions. Changing them independently will cause the glued joints to gap or overlap.

Material and finish

What board grades are typically used?

Stiff board grades are common choices. They provide the necessary rigidity to prevent the angled walls from splaying while offering a clean surface for retail printing.

Design and modifications

Can the taper ratio be adjusted?

The top and bottom widths can be modified to fit specific products or nesting requirements. The corner glue flap angles will automatically recalculate to maintain flush joints.

Storage and handling

How does the taper affect empty tray storage?

The trapezoidal shape allows erected trays to nest inside one another. This saves space on the packing floor compared to straight-walled trays that cannot nest.

Performance and testing

Will the angled walls bulge under heavy weight?

They can, depending on the product weight and board stiffness. The walls rely on the glued corners and the board's rigidity to stay upright, so heavy payloads need careful board selection.