Tennis racket string

Details Tennis racket string Tennis racket string

1977-10-03

1980-01-15

Watkins, Donald

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

D02G 344, D02G 336

Patent

active

041832000

ABSTRACT:
A string for a tennis racket composed of a synthetic resin such as nylon and having a combination of properties which provides a highly desirable balance between playability and durability. Specifically, the string has a spring rate of from 45 to 65 pounds/inch (8.0 to 11.6 kg/cm) at a loading in the range of 50 to 100 pounds (22.7 to 45.4 kg), the string exhibiting a substantially linear stress-strain behavior in the foregoing range, a minimum tensile break load of 120 pounds (54.4 kg), a thickness of from 0.040 to 0.055 inch (0.10 to 0.14 cm), a minimum overhand knot strength of 50 pounds (22.7 kg), and a minimum surface friction of 0.120.

REFERENCES:
patent: 2401291 (1946-05-01), Smith
patent: 2735258 (1956-02-01), Crandall
patent: 2861417 (1958-11-01), Crandall
patent: 3024589 (1962-03-01), Vaughan
patent: 3050431 (1962-08-01), Crandall
patent: 3738096 (1973-06-01), Crandall
patent: 4016714 (1977-04-01), Crandall et al.
patent: 4084399 (1978-04-01), Kanemaru et al.

Affiliated with

Also associated with

Rating

Tennis racket string does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tennis racket string, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tennis racket string will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1022684