EP 0130622 B1 19861230 - FLEXIBLE STRINGER STRIP WITH STRING-PROTECTING SLEEVES FOR RACKETS, ESPECIALLY TENNIS RACKETS
Title (en)
FLEXIBLE STRINGER STRIP WITH STRING-PROTECTING SLEEVES FOR RACKETS, ESPECIALLY TENNIS RACKETS
Publication
Application
Priority
DE 3324140 A 19830705
Abstract (en)
[origin: EP0130622A1] 1. A flexible stringer strip (1) of hard elastic material for a racket having stretched strings, in particular a tennis racket, the strip having string-protecting sleeves (2) arranged at a definite distance (9) apart and made in one piece with the stringer strip (1), characterized in that the stringer strip (1) in each portion of the stringer strip between two string-protecting sleeves (2) exhibits at least one expansion portion (3) such that under tensile loading of the stringer strip (1) in the direction of its longitudinal extent only or essentially only the said expansion portion (3) is able to expand.
IPC 1-7
IPC 8 full level
A63B 49/022 (2015.01); A63B 51/00 (2015.01)
CPC (source: EP KR)
A63B 49/02 (2013.01 - KR); A63B 49/022 (2015.10 - EP)
Designated contracting state (EPC)
AT BE CH FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0130622 A1 19850109; EP 0130622 B1 19861230; AT E24408 T1 19870115; AU 3028184 A 19850110; CA 1231353 A 19880112; DE 3324140 C1 19850221; ES 289151 U 19860216; ES 289151 Y 19861001; JP H021511 B2 19900111; JP S6036071 A 19850225; KR 850000998 A 19850314
DOCDB simple family (application)
EP 84107792 A 19840704; AT 84107792 T 19840704; AU 3028184 A 19840704; CA 457657 A 19840628; DE 3324140 A 19830705; ES 289151 U 19840704; JP 13806984 A 19840705; KR 840003876 A 19840705