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Operability of child-resistant caps: review of current solutions and alternative ideas
Industrial Design Engineering, Delft University of Technology, Netherlands.
Industrial Design Engineering, Delft University of Technology, Netherlands.
Linköping University, Department of Management and Engineering, Machine Design. Linköping University, Faculty of Science & Engineering. Industrial Design Engineering, Delft University of Technology, Netherlands.ORCID iD: 0000-0001-9819-1009
2016 (English)In: Innovation, development and sustainability in packaging, 2016Conference paper, Published paper (Other academic)
Abstract [en]

Child-safe or child-resistant caps come in a range of solutions, but the dominant solution is a closure which has to be pushed down and turned simultaneously. The idea is that young children have neither the strength nor the dexterity required for this operation. Safe use of such a packaging solution requires that the safety feature is restored to the same condition after re-closing the package. Practice shows however, that child-safe caps also present a challenge to elderly and people with reduced hand function. For them, child-resistant caps are hard to open, which causes the packs to be poorly reclosed (intentionally or unintentionally), or even left open, leading to incidents.   

Current solutions are (partly) based on the force to be exerted, but this may not be the best approach. As part of a re-design process of this type of packaging, a theoretical ergonomic assessment was made, combined with a set of expert interviews of academics in the field of packaging ergonomics. It is concluded that the push-and-turn solution is based on physical ergonomic properties that insufficiently distinguish children and intended users. An alternative solution space is mapped and evaluated based on different working principles. An ideal safety cap should utilise a cognitive set of actions and physical ergonomic distinction between children and users with reduced hand function or strength. 

Place, publisher, year, edition, pages
2016.
Keywords [en]
rheumatics, arthritis, design, human factors, toxicity
National Category
Other Engineering and Technologies not elsewhere specified
Identifiers
URN: urn:nbn:se:liu:diva-129890ISBN: 978-85-7029-136-3 (print)OAI: oai:DiVA.org:liu-129890DiVA, id: diva2:944998
Conference
20th IAPRI world conference on Packaging
Available from: 2016-06-30 Created: 2016-06-30 Last updated: 2016-12-06Bibliographically approved

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Wever, Renee

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf