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Sport footwear of injected plastics material



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Patent 4227322
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Document Number
US Patent 4227322
Issued Date
October 14, 1980
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Inventors
Annovi; Giuseppe (Montebelluna,IT)
Map
Abstract
Sporting footwear, such as a mountain boot or hockey boot or training boot, formed of injected plastics, has integral lacing projections formed on overlapping front closure flaps forming parts of the boot upper. The integral projections provide for easy zigzag lacing of the boot with security and economy of manufacturing. Protrusions integrally formed on the boot upper between adjacent pairs of lacing projections and spaced from the projections bear frictionally on the lace engaged with the integral projections. Tightening of the lace is enhanced while the lace is under tension and loosening of the lace is hindered when the lace is slackened and has its cross section increased.
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Sport footwear of injected plastics material - US Patent 4227322 Drawing
Drawing from US Patent 4227322
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Number of Claims:
7
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Owner
Dolomite, S.p.A. (Treviso,IT)
Published
October 14, 1980
Application Number
05/950,999
Filed
October 13, 1978
US Classification
36/117.1   36/50.1
Int'l Classification
A43B   5/00   (20060101)  
Attorney/Law Firm
USPTO Field of Search
36/117   36/118   36/119   36/120   36/121   36/50  
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