Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1979-08-08
1982-04-13
Apley, Richard J.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273DIG7, 273DIG23, A63B 5904
Patent
active
043244009
ABSTRACT:
The blade for a table tennis bat includes a layer of lightweight, low modulus of elasticity material positioned centrally with respect to the thickness of the blade and overlaid by a constraining layer of high modulus of elasticity material. The blade also includes a smooth, rigid outer layer bonded to the outer surfaces of the two constraining layers. The constraining layers are composed of strands of stretch resistant material woven transversely to each other to form a thin mat.
REFERENCES:
patent: 3201138 (1965-08-01), Brown
patent: 3635483 (1972-01-01), Barriball et al.
patent: 3691000 (1972-09-01), Kalnin
patent: 3758126 (1973-09-01), Zemlin et al.
patent: 3787051 (1974-01-01), Johns
patent: 3816573 (1974-06-01), Hashimoto et al.
patent: 3902732 (1975-09-01), Fosha et al.
patent: 3997161 (1976-12-01), Lemke
patent: 4023799 (1977-05-01), Van Auken
patent: 4070020 (1978-01-01), Dano
"Research Disclosure"; Disclosure No. 11686, Dec. 1973.
Apley Richard J.
EST Industries, Inc.
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