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Application guide
Front and back label applicator for flat containers
Flat containers and packs can require side labelling, top/bottom labelling or specialist handling depending on how the product travels through the machine.
On this page
Define the faces that need labels
Flat containers can be vertical bottles, horizontal cartons, trays, sleeves or pouches. The first decision is whether the labels go on vertical side faces, the top and bottom faces, or a single flat surface.
This decision affects whether a twin-side labeller or a top and bottom labelling machine is the correct route.
- Vertical front/back labels on bottles or rigid containers.
- Top and bottom labels on flat packs, sleeves or cartons.
- Single top label or bottom label depending on the pack.
Product control and travel direction
Flat products need consistent spacing and orientation. If the pack is flexible, thin or lightweight, product control may be more important than the label head itself.
Infeed guides, belts and product support should be planned around the exact shape and finished label position.
- Confirm if product lies flat or stands upright.
- Check pack stiffness and stability.
- Share desired direction of travel through the machine.
Label material and edge detection
Clear labels, film labels and very small gaps can require different sensor arrangements. For flat products, labels may also need to align with printed artwork or pack edges.
If the label carries a barcode, batch number or compliance information, the label position tolerance should be discussed early.
- Provide label size, gap and material.
- Flag clear or reflective labels.
- Confirm if coding or inspection is required.
Shortlisting the machine
A front/back label applicator is the right phrase when the product needs labels applied to opposing faces. For top and bottom faces, the correct route is usually a top and bottom labelling machine.
- Twin-side route for opposing vertical faces.
- Top/bottom route for horizontal flat products.
- Application testing where product stability is uncertain.
Best next step: Best next step: send Lancing UK your container photo, label dimensions, label material and target output so the right labelling route can be checked before quote stage.
Related routes
Useful next pages
Use these pages to compare nearby machine routes, applications and buyer guides.
Front/back enquiry checklist
Prepare container, label and output details for a faster quotation.
Contact Lancing UK
Send pack photos and label dimensions for practical selection support.
Quick answers
Common questions
Can flat containers be labelled on two faces?
Yes, but the correct machine depends on whether the two faces are vertical sides or top and bottom faces.
What details are needed for a flat product labelling quote?
Send product dimensions, weight, stiffness, label position and photos showing how the product should travel.
Can top and bottom labels be applied in one pass?
Yes. Top and bottom labelling machines can apply labels to both faces during one pass when the product is suitable.
Want help with this labelling requirement?
Send pack photos, label sizes, target speed and current line details. Lancing UK can help shortlist the best front/back labelling machine route.