Method and apparatus for evaluating rebounding characteristics o

Details Method and apparatus for evaluating rebounding characteristics o Method and apparatus for evaluating rebounding characteristics o

1974-12-09

1977-02-08

Ruehl, Charles A.

Measuring and testing

Gas content of a liquid or a solid

By vibration

73 79, G01N 352

Patent

active

040066266

ABSTRACT:
A performance method and apparatus for evaluating the bouncing or rebounding characteristics of objects such as balls used in games, and for evaluating the energy-absorbing and surface characteristics of playing surfaces of games.

REFERENCES:
patent: 962790 (1910-06-01), Shore
patent: 1441626 (1923-01-01), Gaston
patent: 1490836 (1924-04-01), Lipps
patent: 1504871 (1924-08-01), Covington
patent: 1552652 (1925-09-01), Sauveur
patent: 2333884 (1943-11-01), Porter
patent: 3038330 (1962-06-01), Criche
patent: 3482430 (1969-12-01), Percarpio et al.
patent: 3496765 (1970-02-01), Rathmell

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