Tennis racket having alveoli filled honeycomb reinforcement

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273 73J, A63B 4904

Patent

active

045054800

ABSTRACT:
The present invention relates to an improvement in racket frames reinforced with a honeycomb, characterized in that it comprises filling up at least one selected alveolus of the said honeycomb with a substance having a density of at least 2 kg/dm3.

REFERENCES:
patent: 3822762 (1974-07-01), Crispin et al.
patent: 3998024 (1976-12-01), Frandsen
patent: 4085934 (1978-04-01), Churchward
patent: 4175745 (1979-11-01), Gevers et al.
patent: 4182512 (1980-01-01), Kuebler

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