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US 6,454,319 B1Granted
Frictive fluid treatment and method of application for shoelaces
AssigneeDelphi Oracle Corp.
InventorLouis Dischler
Life of this patent
Estimating the term…
Abstract
The present invention relates to a method and frictive fluid composition for application to a shoelace knot, whereby the shoelace becomes more resistant to untying. The frictive fluid contains a volatile solvent and a frictive powder.
Claims22
A method for increasing the Breakaway Force Ratio (BFR) of a knotted lace of an article of footwear having eyelets, comprising the steps of:
- providing the article of footwear with the lace threaded through a plurality of the eyelets, whereby a first end portion and a second end portion of the lace extend from the article of footwear;
- tying a knot with said first end portion and second end portion;
- applying a frictive fluid to said knot, said frictive fluid comprising a volatile liquid and a powder, wherein said powder is at least partially dispersed in said volatile liquid;
- and
- drying said volatile liquid, whereafter the BFR of the knotted lace is at least 1.25.
2 more elements
A method for increasing the breakaway force ratio (BFR) of a knotted lace of an article of footwear having eyelets, comprising the steps of:
- providing the article of footwear with the lace threaded through a plurality of the eyelets, whereby a first end portion and a second end portion of the lace extend from the article of footwear;
- applying a fluid comprising a powder to at least said first end portion;
- and
- subsequently tying a knot in the lace so that said first end portion is at least partially within said knot, whereafter the BFR of the knot is at least 1.25.
1 more element
Dependencies are inferred from the claim text.