Structure Keep case

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1 structure

1.1 materials , features
1.2 types of hubs
1.3 damage risk
1.4 physical dimensions

1.4.1 case
1.4.2 paper sleeve
1.4.3 inserts


1.5 empty cases , do-it-yourself





structure
materials , features

xbox keep case. lime green version, used xbox games



wii keep case


the cases made of soft, clear or colored, polypropylene plastic transparent polyethylene outer jacket, printed paper sleeve behind it. variety of colors produced, including black, white, red , clear. on inside sets of clips may hold booklet or additional sheets of paper information. dvd held place small protrusion (a hub ) fits hole in dvd. console games playstation 2 , nintendo gamecube, protrusion available storing memory cards.


types of hubs

the structural differences between cd , dvd have led many manufacturers study different hub designs keeping dvd (or dvds, in multi-disc cases) in place: unlike cds, made 1 layer of plastic material, dvds have 2 layers, thinner (so reach same thickness of cd) , not bonded way center. result, dvd hub weaker cd s, , may damaged if stored in case designed cds only.


in addition pluck hubs (which simple evolution on classical crown of teeth ), push-to-release hubs common: in case hub made in such way pushing on finger compresses component parts, shrinking space occupies , releasing disc center; under normal situations release cannot occur accidentally , requires push on hub (this more difficult obtain in slim , ultra-slim cases, in fact pluck hubs may preferred push-type ones).


damage risk

the larger size of keep case compared cd jewel box means if disc becomes detached center hub, can move around inside box, , playable surface can scratched hub. can problem during shipping.


the center pluck-hubs designed keep disc in place while shipping, can tight normal home use. because of this, disc can damaged upon removal due excess warping. however, edges of center hub can permanently bent in allow looser fit. discs able slip out easily, ideal home shelf.


physical dimensions
case

the height , width of (closed) keep case fixed @ 190mm , 135mm, respectively. thickness may vary accommodate more discs ( multi case) or require less shelf space ( slim or thin case). typical single-disc case 15mm.


a keep case, thus, approximates video software dealers association recommendation single-disc dvd-video package have same height vhs tape (187 mm) , same width cd jewel case (142 mm).


paper sleeve

the printed paper sleeve standard dvd case can printed on standard a4 sheet of paper which, after cropping, can slipped outer jacket. paper room on front , panels of case 129.5mm × 183mm , spine panels have width of 14mm or less. gives 273mm × 183mm resulting maximum overall dimensions printout (which less 297mm × 210mm of a4 paper sheet).


inserts

booklet inserts or leaflet material, when folded closed, should measure maximum of 120mm × 180mm.


similar, though not identical, packaging used commercial blu-ray disc titles , used hd dvd titles. however, dimensions of cases different, 19 mm shorter. individual cases color-coded, blue being used blu-ray , red hd dvd, , format displayed prominently on stripe above cover art.


empty cases , do-it-yourself

in addition industrial usages reported above, empty keep cases available @ retail stores, can serve instance replacement broken cases or dvds containing personal video recordings or data. common brands maxell, memorex, tdk, verbatim, nexpak, digital media , amaray. vendors, e.g. tdk , infiniti, sell recordable dvds individually packed in keep cases.








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