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ECMA B30.04.00.00

Pre-Glued Pop-Up Tray with Webbed Corners

  • 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

  • Pre-glued side walls enable fast pop-up assembly
  • Continuous webbed corners resist sifting and minor leaks
  • Double-wall sides provide a clean interior and added rigidity

About this product

This folding carton tray arrives flat with its long side walls already glued. Lifting the short ends pulls the side walls upright, allowing for fast assembly on the packing line.

The continuous webbed corners fold inward and are locked in place by the end panels, creating a clean, double-wall presentation that prevents crumbs, powders, or small parts from escaping the bottom corners.

Common uses

  • Bakery and confectionery trays
  • Premium retail presentation trays
  • High-volume kitting operations

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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Fast-Paced Retail, Bakery, and Component Packing

Bakery and Confectionery

The webbed corners eliminate the cut-out gaps found in standard trays, keeping crumbs, sugars, and grease contained within the base.

Premium Retail Presentation

The fold-over end panels hide the webbed gussets, leaving a clean, double-wall interior on all four sides that frames the product well.

Small Parts and Hardware Kitting

Continuous bottom corners prevent loose screws, washers, or small components from slipping out during transit or handling.

Fast Food and Deli Service

The quick pop-up action supports rapid serving environments, while the solid corners help contain dry or slightly greasy foods when paired with the right board coating.

High-Volume Kitting, Food Service, and Premium Display

High-Volume Manual Fulfillment

Because the long walls are pre-glued by the converter, packers only need to lift and lock the two short ends. This reduces hand-assembly time compared to fully unglued trays.

Automated Tray Forming Lines

Tray-forming machines equipped with plunger systems can erect this style, provided the equipment can handle the webbed-corner fold-over action.

Retail Shelf Ready Display

The double-wall construction hides raw board edges, offering a polished look for primary product display on retail shelving.

When to Compare Unglued or Cut-Corner Trays

Unglued 4-Corner Trays

If packing labor time is less of a concern than upfront manufacturing steps, an unglued tray (like the B10.04.00.00) avoids the folder-gluer pass entirely, though it takes longer to fold by hand.

Nib Lock Trays

If sift resistance is not required, a tray with nib locks (like the B30.01.00.00) changes the corner seal and assembly feel, often allowing for slightly thicker board choices.

Board Caliper, Grain Direction, and Corner Folds

Board Thickness Limits

The webbed corners require complex diagonal creases. If the board is too thick or rigid, these corners can bind during assembly, preventing the end flaps from locking securely.

Grain Direction Planning

The diagonal creases in the webbed corners are under high tension. Grain direction must be managed to minimize the risk of the board cracking along these folds.

Coating and Finish Requirements

While the continuous corners resist dry sifting, the tray is not liquid-tight. Wet or greasy contents will require specific barrier coatings or liners.

Outer Shipping Strategy

This is an open-top primary tray. It requires a secure outer shipper, sleeve, or master carton for transit through parcel or courier networks.

Lock Tab Friction and Flap Clearances

Locking Tab Offsets

The friction locks on the fold-over flaps can be adjusted for a tighter or looser fit depending on the board material and whether the tray will be erected by hand or machine.

Webbed Flap Clearances

The angle and offset of the webbed corner folds can be tuned to prevent binding when using slightly heavier folding carton board.

Panel Height Corrections

The inner fold-over panel height must be precisely calibrated to the board caliper so the locking tabs clear the base slots without bowing the end walls.

Board and packing details

Flat Delivery and Storage

The pre-glued long walls fold 180 degrees inward, allowing the tray to ship completely flat and stack efficiently before use.

Lock Hole Parameter Adjustments

B30.04.00.00.a

Includes explicit parameters for the locking tongues and offsets, allowing precise tuning of the friction lock when using different board calipers.

Additional notes

Grain Direction and Corner Cracking

The diagonal creases in the webbed corners are under high tension during assembly. Discuss grain direction with your converter to minimize the risk of the board cracking along these folds.

Related Tray and Corner Styles

B30.01.00.00: Nib Lock Tray

Uses nib locks instead of webbed corners, which changes the corner seal and assembly feel.

FAQs

Assembly and Packing

Does this tray require glue during packing?

The long side walls are pre-glued by the manufacturer. The packer simply lifts the ends and locks the flaps into place without needing tape or adhesive.

Can the erection process be automated?

Tray-forming machines equipped with plunger systems can often erect this style, provided the machine can handle the webbed-corner fold-over action.

Product Fit

Is this tray liquid-tight?

While the continuous webbed corners prevent dry powders and crumbs from sifting out, it is not liquid-tight unless a specific barrier coating or liner is used.

Board and Finish

Can this be made from corrugated board?

Micro-flute corrugated is generally a poor fit. The webbed corners create too much bulk when folded inward, which often causes the end flaps to bulge and fail to lock. Folding carton board is usually required.

Shipping and Route

Can this tray be shipped through parcel networks?

This is an open-top primary tray and requires a secure outer shipper, sleeve, or master carton for transit.

Production Path

Why does this tray involve a folder-gluer pass?

It requires a pass through a straight-line folder-gluer to secure the long side walls before it is delivered. This adds a production step but saves labor during final packing.

Board and Finish

Why is grain direction important for this tray?

The diagonal creases in the webbed corners are under high tension during assembly. Proper grain direction minimizes the risk of the board cracking along these folds.

Product Fit

Does this tray support heavy top loads?

The double-wall sides provide good vertical support, but because the top is open, the walls can bow outward under heavy compression unless an outer sleeve or rigid lid is applied.