String of a synthetic resin

Details String of a synthetic resin String of a synthetic resin

1980-04-02

1982-07-13

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

57243, 57250, 84297S, 2642107, 273 73A, 273 73C, 273 73R, 428391, 428394, D02G 300

Patent

active

043394990

ABSTRACT:
A string for the stringing of rackets, bows, musical instruments and the like which has a thread-like structure of polyvinylidene fluoride. The string is obtained by extruding a rod of polyvinylidene fluoride at a melt temperature of the polyvinylidene fluoride, cooling the rod at a temperature between 60.degree.-150.degree. C., and then axially stretching the rod at this temperature following by cooling the rod to room temperature and thereafter cold-stretching the monofil. The string is characterized by an elasticity that approaches that of natural gut string.

REFERENCES:
patent: 3376370 (1968-04-01), Koblitz et al.
patent: 3579370 (1971-05-01), Punderson et al.
patent: 3649434 (1972-03-01), Mortenson
patent: 3941860 (1976-03-01), Couchoud et al.
patent: 3965232 (1976-06-01), Chion et al.
patent: 4202164 (1980-05-01), Simpson et al.

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