Darfresh® - Cryovac®

Superior Skin Packaging
with the DARFRESH® System.
A clear vision of quality and freshness
The DARFESH® packaging system
The DARFRESH® packaging process uses specially formulated top and bottom webs to create a vacuum skin
consumer pack that fits around the product like a second skin. The top shrink web wraps itself firmly but gently
around every contour of the product without distorting its shape. The bottom and top webs are then heat-sealed
together right up to the product’s edges to produce a securely and hygienically sealed pack.
The result is a pack:
• with a high vacuum that guarantees a long shelf life
• with a practically invisible top web that surrounds the product like a second skin, giving it a natural look
for maximum merchandising appeal
• with total surface sealing that prevents juice migration and keeps surface decoration securely in place
• with an easy-peel corner for consumer convenience
• with multicolour printing capabilities for increased communication and attractiveness
• that can be competitively presented at PoS with multiple colour, imprint and label options
• that guards against freezer burn during deep-freeze storage
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DARFRESH
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DARFRESH® packaging process
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This unique skin packaging system stems from the ideal interaction
between Cryovac® DARFRESH® films and Multivac automatic RCD skin
packaging equipment, which has been specially optimised for this
application. The superb end-product DARFRESH® presentation is the
result of decades of experience and cooperation.
The DARFRESH® packaging process at the sealing dome
1. The air in the chamber and package is evacuated, drawing the top
web to the ceiling of the dome. The top web absorbs heat from the
dome and becomes formable
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2. A gentle airflow is introduced and the top web relaxes and drapes
itself gently over the product and the bottom web
3. The dome opens and the top web shrinks skin-tight around all the
product’s contours
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The top and bottom films are heat-sealed to each other to form a
completely flat seal right up to the edges of the product
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A few examples from many of DARFRESH®-packed products
The DARFRESH® system delivers high-quality, added-value consumer packs for self-service retailing. Exceptional
product presentation is a particular DARFRESH® hallmark, highlighted by features such as printed, gold and silver
metallised bottom webs, crystal-clear top films, the preservation of the product’s natural contours and total surface
sealing that keeps delicate decorations in place. That’s why DARFRESH® has become the packaging of choice for
demanding products. Above all, DARFRESH® is also the brand quality promoter par excellence - it’s the face that
stands out from the crowd.
Another DARFRESH® unique feature is product freshness. The DARFRESH® range of films offers a wide choice of
properties from high barrier to breathable films, depending on the specific application. But whatever the application,
DARFRESH® offers what today’s consumers want: high quality food plus maximum convenience.
In short, DARFRESH® versatility offers an exciting, alternative presentation for fresh meat, processed meat, fish,
seafood, poultry, game, ready meals, cheeses and patés.
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“Classic” DARFRESH®
Probably the best-known DARFRESH® pack presents the product on a rigid thermoformed pack. The top film forms a
“second skin” around the product and is sealed to the tray right up to the edges of the product. The whole DARFRESH®
process, from forming the pack through product placement to sealing, is carried out on Multivac thermoforming
­machines.
Ideal optics and maximum security are achieved by choosing the film from the CRYOVAC® range that’s best suited to
the product’s shape and geometry. Products which protrude considerably above the thermoformed pack and products
with cavities or even sharp edges can be packed just as successfully as simple, flat products.
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Films that “breathe”
To maintain their freshness, many products demand impermeable films. Others,
like some cheeses for instance, need to “breathe” as part of their maturation
process, in order to maintain their freshness and optimal shelf life.
Semi-permeable DARFRESH® films allow the gases to escape, while still hugging
the contours of the product.
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Flexibility included
Patés or ready meals, which are traditionally presented in bowls, dishes,
pots or on trays, not only gain a longer shelf life through being packed in
Additional
opportunities with
DARFRESH® 3-Web
DARFRESH®, but they also benefit from the presentation advantages and
the extended distribution opportunities.
Further possibilities also open up
when another top lidding film is
Whether for convenience or out of necessity, for instance when time-consum-
sealed flat along the rim of the
ing decorative work is involved, the containers can be filled away from the
pack tray. Such a pack has all the
packaging machine. They are then sealed between two flexible DARFRESH®
advantages of a DARFRESH®
webs on the Multivac packaging machine.
vacuum skin pack, while offering
several additional benefits:
• the flat lidding film can also be
printed or labeled as desired –
in fact, all three films can be
used for creative designs and
consumer communication
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Packaging System
Funktion
• ingredients or other items can be
enclosed in the space between
the two top webs, for example,
DARFRESH BLOOM™ for bright red,
succulent meat
seasoning packs, packets with
sauces, coupons, recipes and
This system addresses the colour change that occurs when fresh
even small leaflets
red meat is sealed under vacuum. DARFRESH BLOOM™ prevents the
colour change by using an oxygen-rich atmosphere in the space
• DARFRESH® 3-Web packs are
stackable and can also be
between a top barrier lidding film and a semi-permeable inner skin
film, the latter securing the product firmly to the bottom web.
displayed vertically
• easy-peel corners are possible
for either separate or shared
opening of both top webs
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Haute cuisine – quickly served
More than any other system, DARFRESH® is ideally suited for offering consumers ready meals in distinctive and
appetising packs. The possibilities range from marinated meats through partially or wholly cooked menu components to comprehensive menus including sauces and side dishes. DARFRESH® offers several alternatives for the
packaging of convenience foods: the standard thermoformed pack sealed with a top skin film; the tray or bowl
packed in a thermoformed flexible base web and skin sealed; DARFRESH® 3-Web; and finally, CRYOVAC® Simple
Steps™ for microwave applications.
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CRYOVAC® Simple Steps™ – clean and simple
It’s so simple:
1. Remove the outer packaging and place the tray in the microwave. No need to
peel off or puncture the film.
2. Heat on medium for 3-4 minutes*. The film expands to form a bubble during
heating and then self-vents and relaxes over the food.
3. Just remove from the microwave and let cool for two minutes. Then, simply
peel off the film and serve straight from the package. Bon appétit!
* Heat time will vary based on product volume.
CRYOVAC® Simple Steps™ packaging for the microwave is also possible with
DARFRESH® 3-Web. In this case, you just peel off the top film before heating.
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Purpose-designed packaging
Opening aids
DARFRESH® films excel with their outstanding easy-open features.
To open the pack, you simply peel back the top web.
Thermoformed pack with tray and skin film and bottom web corner cut
Pack shapes
Pack shapes and dimensions are made by changing the forming plates.
Thermoformed packs: ribbing, radius, base embossing and similar features contribute to the stability of the package
as well as to its optical design and brand profile. The rectangular pack with rounded corners is the most cost-effective
and most versatile solution for the contour cutting. More complex shapes are also possible, provided that the
product’s profile allows the use of precision die tools.
Flexible packaging: rectangular, circular, oval and other shapes are all possible.
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1. Unopened pack
2. Peel off lidding film
3. Peel off skin film
Lidding films and skin films can be peeled off together or separately.
Tray sealed between two
In this instance, the peel corners lie above one another. The corner of the lidding
flexible films with unsealed
film is unsealed; the skin film has a trailing corner with a bottom web corner cut.
corner
Naturally, peel corners can also be configured separately.
Information and colour
All the possibilities of modern film printing are open to you, so you can design a DARFRESH® pack that’s unique to
you and at the same time print consumer information. You can use continuous or registered printing, top and/or
bottom web printing, plus labelling variations. The choice is yours.
Presentation: horizontal, leaning or vertical
Again, the choice is yours. Because the skin film keeps the pack’s contents
securely in place, all display methods are feasible.
Hanging display slits
Hanging display holes
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With this technology, you can realise all your ideas
Multivac and Cryovac DARFRESH® skin machines feed the packaging webs from rolls.
The trays are thermoformed on the machine, filled manually or automatically, and then
heat-sealed under vacuum in the DARFRESH® dome. An additional lidding film is used
for the DARFRESH® 3-Web and DARFRESH BLOOM™ concepts. Cutting devices give the
pack its desired shape. This technology offers high daily output productivity, while
different performance and equipment options allow you to tailor-design your packaging
line to your production and product requirements.
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It can make sense or even be necessary for the filling process to be carried out away
from the machine if the product is to be packed in bowls, dishes or pre-made trays,
and particularly if time-consuming visual or decorative effects are involved.
Quite simply, Multivac and Cryovac DARFRESH® skin packaging machines equipped
with flexible or rigid bottom and top webs open up unlimited possibilities.
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Your partners
Sealed Air and Multivac have been collaborating on DARFRESH® skin packaging for
more than 20 years. Our efforts have yielded a tremendously economical and reliable
packaging technology that you can use to safeguard your product’s integrity and to
differentiate your brands. We look forward to working with you.
®™: DARFRESH, CRYOVAC, DARFRESH BLOOM and Simple Steps are registered
trademarks or trademarks of Cryovac Inc., a subsidiary of Sealed Air Corporation.
www.sealedair.com
www.multivac.com
10.547.9227 © Multivac, eb 05/07 · Printed in Germany on chlorine-free paper · Subject to design changes as progress is made
Multivac is a registered trademark of Multivac Sepp Haggenmüller GmbH & Co. KG