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6. Shrinkwrappers
6.1 General case
Made possible by the invention of hot-air shrinkable plastic films, this technique involves wrapping a group of unit containers - glass or plastic bottles, metal cans, tins or cardboard packs, and other objects or products - in a heat-shrinkable plastic film (polyolefin or PVC), then shrinking this film by briefly passing it for a few seconds through a hot-air tunnel (air at around 70-85°C).
The plastic film must be strong enough (and therefore thick enough) to hold the individual packages or containers firmly together.
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Shrinkwrappers
Grouping systems
Regulations
12-91 French law n° 911414 defining the Machinery Directive.
07-92 Decrees implementing this law :
92765 Scope of application,
92766 Marketing and control procedures,
92767 Technical rules.
01-95 All new palletizer-depalletizers sold and installed must comply with these decrees.
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Bibliography
In Engineering Techniques
Standardization
French Standards Association (AFNOR)
- Sécurité des machines d'emballage. Partie 4 : palettiseurs et dépalettiseurs. Indice de classement : H 94-001-4. (remplace : NF H 95-402 : 05-1981 et NF H 95-403 : 12-1982). - NF EN 415-4 - 12-97
- Management de projet. Recommandations pour l'analyse et la modélisation graphique d'actions...
Organizations
Packaging Machinery Manufacturers Institute (PMMI)
Laboratoire national de métrologie et d'essais (LNE), Packaging market
Packaging machinery suppliers
(non-exhaustive list)
Conveyors, complete lines
NTS (France)
NTS-LEGENDRE (Belgium)
POSIMAT, SA (Spain)
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