CoEx Master™ Co-Extrusion Systems

CoEx Master™ Systems upgrade virtually any twin-screw extruder into a production line for high-value centre-filled snacks. It generates a high rate of return, especially when manufacturers maximize its potential for exciting and innovative products.

New line or upgrade

The system consists of a co-extrusion die, cream feed, and pillow-crimper. This can be part of a new line, or a straightforward upgrade to an existing system, with minimal equipment and without extensive plant modifications.


Fillings are usually a low-moisture cream such as chocolate or praline or a low-moisture fruit paste. An almost endless range of products can be created using the wide array of cereals and textures from the extruder.

Easy to install, operate, and maintain

Rapid set-up and excellent access for cleaning minimize downtime and waste. Waste is further reduced by the ability to maintain weight control and product quality through individual adjustment of the streams extruded at the die, and cream flow at the pumps.

CoEx Master™ Co-Extrusion Systems Specifications

The co-extrusion die produces a single stream of product with two components – a cereal outer and a centre-filling. Each product stream is individually adjustable without stopping the machine to optimize consistency. The Baker Perkins co-extrusion die can be fitted to virtually any twin-screw extruder. There are four, six, eight and 12 stream options.

This unit stores and supplies cream to the co-extrusion die. The storage vessel is fitted with a heating jacket and stirrer to keep the centre-filling material ready for pumping. A variable-speed screw feeds the centre-filling to the pumps under positive pressure. Each co-extrusion stream has its own feed pump to enable precise weight control. Cleaning is quick and easy with hygienically designed components. Stirrers, screw and manifold may be completely disassembled.

After leaving the die the product streams pass under a pressing roll to ensure they are the correct thickness and they are then separated and spaced by a series of fixed guides. The product streams pass between two rollers with multiple blades and are pinched along their lengths to form continuous strands of sealed pillow shapes. These are dried and broken into individual pieces. An air curtain prevents the product sticking to the blades. A variety of products and shapes can be produced using alternative sets of rolls. The rolls are easily removed and replaced for cleaning and product change.

CoEx Master™ Co-Extrusion Systems Gallery

CoEx Master™ Co-Extrusion Systems Further Reading

Find Your

New Equipment Sales Sales Account Manager

Alan Mordue

Baker Perkins Ltd,
Manor Drive,
Paston Parkway,
Peterborough, PE4 7AP, UK
Tel: 01733283000
New Equipment Sales Regional Sales Manager, Asia Pacific

Tom Phillips

Baker Perkins Ltd,
Manor Drive,
Paston Parkway,
Peterborough, PE4 7AP, UK
Tel: 01733 283000
New Equipment Sales Sales Account Manager - Confectionery, Cereal & Food Extrusion

Cameron Gilchrist

Baker Perkins Ltd,
Manor Drive,
Paston Parkway,
Peterborough, PE4 7AP, UK
Tel: 01733283000
New Equipment Sales Area Sales Manager

Matthew Joyce

Baker Perkins Ltd,
Manor Drive,
Paston Parkway,
Peterborough, PE4 7AP, UK
Tel: 01733283000
Aftermarket: Parts

Angela Gallagher

Baker Perkins Ltd,
Manor Drive,
Paston Parkway,
Peterborough, PE4 7AP, UK
Tel: 01733283000
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    Baker Perkins Ltd – UK

    Manor Drive
    Paston Parkway
    PE4 7AP

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    3223 Kraft Ave. S.E
    Grand Rapids
    49512 2027