Download - Bag pd
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PD
BAG creation
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Item in Bag
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Research Objective
• This research is meant to:• Help decide what form of material is best used
for the Bag’s design and its material’s capabilities.
• Find an unique method to adapt to the bag to fit our persona.
• Research will be on-going through out the whole development process.
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Bag Types
• Fashion Handbags• Usually made of leather or other natural
materials. • Now use synthetic polymers such
as polypropylene to replace natural materials – Flexible material with different uses.
• Interesting, semi-rigid shapes can be moulded from the class of polymers known as elastomers, polychloroprene in current times.
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Bag Types
• School Book Bags• A school book bag must support more weight
than a hand bag and provide adequate wear resistance to survive the school environment for at least a couple of years.
• The most common materials : canvas (Cotton based) nylon and polyvinylchloride (PVC).
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Bag Types
• Mountaineering Backpack• Mountaineering gear must be capable to handle
different situation which are of extreme environment and sustainable and long lasting.
• "Goretex" is a PTFE-based laminated fabric used for wet-weather gear because the 'holes' between the fibres are too small to allow water in, but coarse enough to allow water vapour out.
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ChartDesignRequirement
fashionaccessories
schoolbook bags
mountaineeringgear
requiredstiffness/strength
Low Medium High
weight of bag Medium Medium Low
water resistance None Partial Complete
tear resistance Low Medium High
estimated lifetime 6 Months 2 years 5 years
allowable cost high High Low High
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Research Article
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Canvas Bags
• Most probable material
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Decision Making
• From the above research:– Material use : Canvas – The bag will be designed to fit outdoor conditions
but for school use. • Needs to be water and tear resistant to an extent.
(Outdoor usage.) • Built to last 3 years (Standard tertiary schooling
perioid)• Cost of construction at medium.(Easy for student to
purchase.)
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Baldric
• A baldric is a belt worn over one shoulder that is typically used to carry a weapon.
• The baldric is quite similar to modern day bag belts found on messenger bags and satchels.
• It is meant for providing fast drawing of swords in battle.
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Baldric
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