Integrated string

Details Integrated string Integrated string

1976-12-09

1977-11-01

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57140J, 57153, 428397, D02G 334, D02G 338, D02G 340

Patent

active

040559416

ABSTRACT:
A string suitable for use in game rackets such as for tennis contains from two to four heavy denier monofilaments of an oriented synthetic polymer. Each monofilament has at least two opposite flattened sides throughout its length. The monofilaments are ply-twisted and bonded together along their lengths with each being bonded along a flattened side to at least one other such monofilament. Particularly suitable monofilaments have a substantially ribbon-shaped cross-section with a length-to-width ratio of from two to four.

REFERENCES:
patent: 2055776 (1936-09-01), Saladino
patent: 2401291 (1946-05-01), Smith
patent: 2428046 (1947-09-01), Sisson et al.
patent: 2815532 (1957-12-01), Braunlich
patent: 3041915 (1962-07-01), Ryffel
patent: 3347036 (1967-10-01), Daniel
patent: 3365873 (1968-01-01), Matsumoto et al.
patent: 3738096 (1973-06-01), Crandall
patent: 3745061 (1973-07-01), Champaneria et al.

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