The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 06, 1986
Filed:
Mar. 05, 1985
Applicant:
Inventors:
Francis S Smith, North Yorkshire, GB;
Bruce M McIntosh, North Yorkshire, GB;
Nigel W Hayman, Cheltenham, GB;
Scott Davidson, North Yorkshire, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ; D02G / ;
U.S. Cl.
CPC ...
273 / ; 428373 ; 428375 ; 428377 ;
Abstract
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/mm.sup.2 is applied along the axis of the string and preferably having a dynamic stiffness, measured at a mean stress of 175 Newtons/mm.sup.2, of not greater than 1.150 times the dynamic stiffness measured at a mean tensile stress of 80 Newtons/mm.sup.2.