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ECMA C20.20.60.20

Tapered Auto-Bottom Carton with Tuck Top

  • 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 shape for retail display
  • Auto-bottom base opens quickly for hand packing
  • Tuck top with slit locks for closure

About this product

The Tapered Auto-Bottom Carton combines a pyramid-style silhouette with a fast-erecting base. Designed for retail shelves, its wider base provides stability, while the tapered walls support a premium presentation for cosmetics, confectionery, and gifts.

Delivered flat and pre-glued, the carton opens with a squeeze, engaging the bottom flaps into place. This removes the need for manual base folding, speeding up hand-packing operations.

Common uses

  • Cosmetics and beauty products
  • Confectionery and premium gifts
  • Lightweight retail goods

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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Retail Presentation and Fast Manual Packing

Premium Retail Display

The truncated pyramid shape stands out on crowded shelves. The wider base provides stability, making it a practical choice for taller items that might tip over in a straight-wall carton.

High-Volume Hand Assembly

The auto-bottom base is glued during production. When the packer pushes the folded edges inward, the bottom engages. This makes it a practical choice for manual packing lines where speed is a priority.

Shelf Stability for Taller Items

When the base is wider than the top, the center of gravity is lower. This helps keep tall, narrow products stable when displayed on retail shelving.

Distinct Opening Presentation

The tapered walls create a distinct opening experience. When the top tuck flap is opened, the product is presented within a flared opening, supporting the presentation of gifts or cosmetics.

Industries Using Tapered Auto-Bottom Cartons

Cosmetics and Beauty

Often used for skincare bottles, perfumes, and gift sets where the non-rectangular shape supports a premium presentation.

Confectionery and Specialty Foods

Provides a gift-ready appearance for chocolates, truffles, and artisanal goods.

Boutique Gift Sets

The distinct silhouette helps curated gift collections stand out, offering a different presentation than a rectangular box.

When to Consider Straight Walls or Tuck Bottoms

Heavy Stacking or Machine Loading

Tapered walls behave differently under vertical load than straight walls and can affect automated cartoning. If you need to stack heavy pallets or use automated filling lines, compare this to a straight-wall auto-bottom carton.

High-Density Pallet Packing

The angled creases needed for the taper create an arched flat blank. This nests differently on a sheet of board than rectangular cartons, changing the material yield. If unit material efficiency is the primary driver, a straight-wall carton is worth comparing.

Taper Angles, Board Choice, and Prepress

Taper Angle and Blank Layout

The difference between the top and bottom dimensions sets the taper angle. A steep taper creates a more pronounced arc in the flat blank, which can affect feeding during production. Keeping the taper moderate helps support smooth runs.

Board Stiffness and Grain Direction

Folding Boxboard (FBB) or Solid Bleached Sulfate (SBS) is often used to help reduce cracking on the angled creases. Board stiffness helps keep the tapered panels from bowing outward under top load.

Artwork Distortion for Tapered Panels

Because the panels are angled, graphics and text often need conical distortion during prepress so they appear straight and level when the carton is erected.

Base Proportions

While typically wider at the base for stability, the dimensions can be inverted to create a carton that is wider at the top. This decision depends on the product shape and display needs.

Adjusting the Taper and Closure

Slit Locks vs. Friction Fit

The top tuck flap uses slit locks that catch on the dust flaps for closure. For lightweight items or easier opening, these can be modified to a simple friction fit.

Dust Flap Clearance

The length of the top dust flaps can be adjusted to help keep them from overlapping inside the carton, which is worth checking for cartons with a narrow top opening.

Auto-Bottom Flap Adjustments

The geometry of the auto-bottom flaps can be adjusted to accommodate different board thicknesses, helping them engage smoothly.

Board and packing details

Outer Shipper Requirement

This is a primary retail carton. The tuck top and auto-bottom base are designed for retail display and are usually placed inside a corrugated outer shipper for courier delivery.

Template Variants

C20.20.60.20.a

An EngView variant where the top length drives the bottom length in the CAD parameters, rather than the bottom driving the top. Functionally similar for the end user, but changes the editing workflow.

Additional notes

Folder-Gluer Setup

Running an auto-bottom on a tapered body involves folder-gluer setups and belt adjustments to help prevent skewing. This complexity often influences production planning compared to straight-line cartons.

Related Retail Cartons

FAQs

Product Fit and Use

Can a tapered carton hold heavy items?

Tapered walls behave differently under vertical load than straight walls. They are often used for lightweight to medium retail goods. Heavy items may cause the walls to bow or the base to open.

Assembly and Packing

Does this carton need tape or glue to assemble?

The side seam and bottom flaps are glued during production. The carton is delivered flat and opens for loading, after which the top is tucked closed.

Can this carton be packed on an automated line?

The tapered shape and auto-bottom base are often chosen for fast manual packing. If you use automated filling lines, a straight-wall carton may be worth comparing.

Print and Design

How does the tapered shape affect artwork?

Artwork applied to tapered panels can look tilted if printed normally. Prepress preparation often includes a conical distortion so graphics appear straight when the box is folded.

Production and Route

How does the taper affect material yield?

The angled creases create an arched flat blank, which can leave more unused space on the parent sheet compared to a straight rectangular box. This changes the overall material yield.

Shipping

Can I ship this carton directly in the mail?

The tuck top and auto-bottom base are designed for retail display. They usually need a corrugated outer shipper for courier delivery.

Production and Route

How does the taper angle affect production?

A steep taper creates a more pronounced arc in the flat blank, which can affect feeding during production. Keeping the taper moderate helps support smooth runs.

Materials

What board types work well for this shape?

Folding Boxboard (FBB) or Solid Bleached Sulfate (SBS) are often used. They provide stiffness to help keep the tapered panels from bowing and resist cracking on the angled creases.