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EVC11931

Open-Top Crash-Lock Bin

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

Pops open quickly for fast manual packing
Pre-glued crash-lock base sets up without tape
Open top pairs with an outer shipper for parcel transit

About this product

The EVC11931 is a corrugated bin delivered flat with a pre-glued auto-bottom. When a packer pushes the opposite corners, the floor swings down and locks into place, creating a rigid, open-top tray in one quick motion without tape or manual folding.

Because it lacks top closure flaps, this package is typically used as a retail shelf bin, a kitting tray, or an inner organizer inside a larger master shipper. The pre-glued base shifts the assembly effort away from the packing line, making it useful for repeat, high-volume fulfillment.

Common uses

Kitting trays
Shelf bins
Inner master-carton organizers
Work-in-progress storage

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Common Packing and Display Roles

Kitting and Assembly Trays

The fast setup allows workers to stage open bins on a table, load multiple components, and move the completed kit to the next station without stopping to tape or fold bottoms.

Retail Shelf Bins

The open top provides unobstructed access for shoppers, while the glued floor holds the product weight securely on the shelf.

Inner Master-Carton Organizers

Used to group smaller items inside a larger shipping box, keeping products separated and upright during transit.

Work-in-Progress Storage

Useful for holding loose parts or sub-assemblies on manufacturing lines, keeping them accessible before final packaging.

Fulfillment and Retail Environments

High-Volume Fulfillment Centers

Operations packing thousands of units per shift benefit from the auto-bottom, as the time saved per bin compounds into meaningful labor reduction.

Store-Floor Setup

Retail staff can deploy these bins quickly without needing tape guns, making them useful for fast promotional rollouts.

Subscription Box Packing

Facilities staging multiple items for subscription boxes use these open bins to organize inventory along the pick line.

When to Consider a Different Base or Closure

Standalone Parcel Shipping

If the package will travel through a courier network on its own, the open top leaves contents exposed. Compare a standard crash-lock box with top flaps or a mailer.

Short Prototype Runs

The pre-glued base involves specific folder-gluer preparation. For very short runs or early testing, a manual snap-lock base avoids this machine setup.

Board, Volume, and Packing Route Choices

Board Thickness and Flute Profile

E-flute and B-flute fold cleanly and pop open smoothly. Heavy double-wall boards can make the pre-glued folds too bulky, causing the base to bind or resist opening.

Production Volume

Because the production route involves preparing a multi-point folder-gluer to bond the bottom flaps, this style makes the most sense for repeat programs rather than one-off short runs.

Pallet Stacking

The glued bottom flaps add slight localized thickness when the bins are delivered flat. This slightly reduces the number of flat blanks that fit on a single pallet compared to unglued trays.

Outer Shipper Compatibility

When used as an inner organizer, the bin's outer dimensions should be checked against the master carton's internal clearance to ensure a snug fit without crushing the walls.

Practical Template Adjustments

Wall Height and Splay Risk

Tall walls on an open-top bin can bow outward if overfilled. Adjusting the board grade or keeping the height proportionate to the base helps maintain a rectangular shape.

Base Flap Angles

The exact angles of the interlocking floor flaps are often calibrated during production to match specific folding equipment, ensuring a smooth pop-open action.

Hand Holes or Cutouts

Die-cut handles can be added to the side panels to make lifting and moving the loaded bins easier on the warehouse floor.

Packing details

Drop Loading and Floor Strength

The product weight rests directly on the glued, interlocking floor flaps. While strong, the exact weight capacity depends on the board choice and the quality of the adhesive joint, which should be tested with the actual payload.

Additional notes

Folder-gluer calibration

The manufacturer may make slight adjustments to the bottom flap angles to ensure the bin runs smoothly through their specific gluing equipment.

FAQs

Does the bottom need tape to hold heavy items?

No. The crash-lock base is glued during production. When opened, the flaps interlock to form a solid floor. However, extreme weights should be tested to ensure the board and glue joint can support the drop.

Can this bin be shipped through the mail?

Not on its own. The open top leaves the contents exposed and vulnerable to spilling. It is typically placed inside a master shipper or securely wrapped on a pallet for transit.

Why is double-wall corrugated not recommended for this style?

The auto-bottom mechanism uses folds that are glued flat. Thick double-wall board creates too much bulk at these folds, which can cause the bin to jam in the folding machine or resist popping open on the packing line.

Is this a good choice for a short trial run?

Usually not. The complex gluing involves a multi-point folder-gluer, which takes preparation time. For short trials, a manual snap-lock base is often more practical.

How are these delivered to the packing facility?

They arrive flat with the side seam and bottom already glued. The packer simply pushes the edges inward to square the bin and deploy the floor.

Will the side walls bulge outward?

Because there is no top closure to hold the upper edges together, outward pressure from the product may cause the walls to splay. Proper sizing and board selection help minimize this.

Can graphics be printed on the inside of the bin?

Yes. Since the top is open, the interior panels are fully visible. Inside printing is common when the bin is used for retail display or branded kitting.

Can hand holes be added to the sides?

Yes. Die-cut handles can be added to the side panels to make the bins easier to lift and carry around a warehouse or retail floor.