A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
273/163, 402/37
A63B 51/02 (2006.01) D01F 6/66 (2006.01)
Patent
CA 1243799
ABSTRACT SPORTS RACKET STRINGS OF A SYNTHETIC THERMOPLASTIC POLYMERIC MATERIAL A monofilament or multifilament sports racket string, of a thermoplastic aromatic polyetherketone and preferably polyetheretherketone, such string preferably having an elongation not exceeding 5% when a tensile stress of at least 100 Newtons/mm2 is applied along the axis of the string and preferably having a dynamic stiffness, measured at a mean stress of 175 Newtons/mm2, of not greater than 1.150 times the dynamic stiffness measured at a mean tensile stress of 80 Newtons/mm2.
476072
Davidson Scott
Hayman Nigel W.
Mcintosh Bruce M.
Smith Francis S.
Ballantyne Donald G.
Imperial Chemical Industries Plc
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