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ECMA F10.41.00.00

Double Auto-Bottom Display Frame

  • 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

  • Erects quickly with auto-locking top and bottom ends
  • Product loading happens through the front window or by sleeving
  • Delivered flat and pre-glued for rapid store-floor assembly

About this product

This specialized folding carton acts as a rigid, fast-erecting display frame or protective sleeve. Unlike standard cartons, it features crash-lock mechanisms on both ends. When the flat carton is squeezed, it forms a rectangular tube, and both ends lock shut simultaneously, leaving a large front window for product visibility.

Because both ends lock automatically, this carton is not loaded through the top or bottom like a conventional box. Products are typically inserted through the front aperture, or the carton is slipped over the product before it fully locks. It is a practical choice for retail environments where fast, manual setup is a priority.

Common uses

  • Retail display frames
  • Protective bumpers for fragile goods
  • Dispensing trays
  • Internal structural supports

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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.

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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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Practical Display and Bumper Applications

Retail Display Frames

The large front aperture provides excellent product visibility, while the double crash-lock ends create a rigid, squared frame. It works well for displaying cosmetics, electronics, or specialty foods on retail shelves.

Protective Bumpers and Sleeves

When slipped over a primary product before fully locking, the carton acts as a protective bumper. The locked ends prevent the tube from collapsing or racking during handling.

Dispensing Trays

With the carton oriented horizontally or vertically, the large window can serve as an access point for dispensing smaller individually wrapped items, while the locked ends keep the main structure intact.

Internal Structural Supports

Inside a larger master carton, this double-locked tube can act as a lightweight, rigid spacer or void fill that sets up quickly, holding primary products in place.

Retail and Kitting Environments

Store-Floor Assembly

Retail staff can erect the display quickly by squeezing the edges. The double crash-lock eliminates the need to manually fold or tuck end flaps, speeding up shelf preparation.

Manual Kitting Operations

For fulfillment teams building gift sets or multi-part displays, the fast-setup frame reduces handling time, provided the items can be easily loaded through the front window.

High-Visibility Retail Channels

Brands selling in boutique or specialty retail environments often use this frame to maximize product exposure while maintaining a rigid, printable border that frames the item.

When to Consider Standard Cartons or Trays

Standard automated packing lines

Because both ends lock shut automatically, this carton disrupts conventional top-loading or end-loading cartoning equipment. If you plan to use automated loading, review standard tuck-end or seal-end cartons.

Heavy face compression

The large window reduces the surface area of the main panel, making it more susceptible to bowing under heavy top loads. If stacking strength is a priority, consider a solid carton or a reinforced tray.

Loading, Window, and Board Choices

Loading Workflow

Confirm how the product will enter the carton. It usually needs to fit through the front window or be positioned inside the carton as it is erected.

Window Film Patching

Decide if the aperture should remain open for direct product access or if it benefits from a clear film patch to prevent dust ingress. Film patching involves an additional manufacturing step before the carton is folded and glued.

Board Folding Endurance

The diagonal creases of the crash-lock flaps rely on a board grade with excellent folding endurance, such as solid bleached sulfate (SBS) or folding boxboard (FBB), to prevent cracking during assembly.

Production Routing

Gluing crash-locks on both ends simultaneously often involves specialized multi-point folder-gluer equipment. Discussing this early helps clarify run size and production path expectations.

Adjusting the Display Window

Aperture Sizing and Placement

The length, width, and vertical offset of the window can be adjusted to match the product. A safe margin of board should remain around the cutout to maintain the frame's rigidity.

Corner Fillet Radius

The corners of the window should maintain a smooth radius. Sharp corners can create stress points that may tear when a product is pushed through the opening.

Crash-Lock Proportions

While the angles of the crash-lock flaps are generally fixed to ensure smooth automatic folding, the overall depth of the locking base can scale with the width of the carton.

Board and packing details

Multi-Point Gluing Considerations

This design relies on adhesive on the side seam and both sets of crash-lock flaps. The double-gluing requirement can influence production routing and run size decisions.

Additional notes

Clearance for window loading

If loading through the window, ensure the product dimensions allow it to pass through the aperture without tearing the corners of the frame.

Related Display and Tray Packaging

F10.40.00.00: Double Auto-Bottom Tray

Review this alternative if no display window is needed and the carton acts purely as a protective bumper or internal tray.

F10.42.00.00: Two-Aperture Display Frame

Review this alternative if the product requires visibility from multiple sides or needs an integrated carrying handle.

FAQs

Loading and Assembly

Can this carton be loaded from the top or bottom?

No. When the carton is erected, the crash-lock mechanisms on both ends engage and lock simultaneously. Products are typically loaded through the front window or sleeved during the opening motion.

Is this suitable for automated packing lines?

Generally, no. The double auto-bottom design prevents standard end-loading. It is highly efficient for manual assembly but disrupts conventional automated cartoning workflows.

Print and Finish

Can a clear window be added to the cutout?

Yes, a clear film patch can be applied over the aperture to protect the product from dust. This is a common addition but involves a specific window-patching step during production.

Materials

What board types work well for this design?

Folding carton boards like FBB or SBS are typically used. The board should have good folding endurance to handle the complex diagonal creases of the crash-locks without cracking.

Shipping and Route

Can this carton be shipped as a standalone parcel?

Usually not. The large open window and folding carton material mean it is generally not designed to ship through parcel networks on its own. It typically relies on a corrugated outer shipper for transit.

Production

Does the double crash-lock affect manufacturing?

Yes. Gluing crash-locks on both ends often involves specialized multi-point gluing equipment or multiple passes on a standard folder-gluer, which should be discussed during the quoting process.

Design and Structure

Does the large window weaken the carton?

The window reduces the surface area of the main panel, which lowers face compression strength. However, the locked top and bottom ends act as rigid bulkheads, providing excellent resistance against racking or twisting.

Loading and Assembly

How do you sleeve a product into this carton?

The flat carton is partially opened and slipped over the product. Once the product is inside, the edges are squeezed fully, causing both ends to snap shut and lock the product in place.