Gut string for sports rackets
AssigneeUnited States Tennis Gut Association, Inc.
InventorAmad Tayebi
Life of this patent
Estimating the term…
Abstract
A natural gut string for sports rackets comprises at least two gut strands, each strand of which comprises a plurality of gut ribbons twisted together in a first direction, which strands are combined and re-twisted together in a direction opposite to the first direction. In a process for making the gut strings, the gut ribbons and gut strands are preferably twisted under tension.
Claims53
A gut string for sports rackets, comprising at least two gut strands, each strand comprising a plurality of gut ribbons twisted together in a first direction, which strands are combined and retwisted in a direction opposite to the first direction.
A process for making a gut string for sports rackets, comprising the steps of:
- (a) assembling strands of a plurality of wet parallel-laid natural gut ribbons and individually twisting the thus-assembled wet strands in a first direction,
- (b) assembling at least two strands assembled and twisted in step (a) and retwisting the thus-assembled wet strands in a direction opposite to the first direction to form a wet gut string and
- (c) drying the wet gut string of (b) under a tension of at least 5 lb.
Dependencies are inferred from the claim text.