Artificial key material

Details Artificial key material Artificial key material

1989-11-27

1992-08-11

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523440, 523442, 523457, 524413, 524423, C08K 708

Patent

active

051379414

ABSTRACT:
A composition for forming the keys of a keyboard musical instrument consists predominantly of a synthetic resin. The addition of ceramic whiskers in cluster form significantly improves the workability, sweat absorption and texture of the composition.

REFERENCES:
patent: 3830777 (1974-08-01), Burton
patent: 4009043 (1977-02-01), Preis
patent: 4029512 (1977-06-01), Jaunarajs et al.
patent: 4270594 (1981-06-01), Aignesberger et al.
patent: 4563495 (1986-01-01), Kawaguchi et al.
patent: 4649172 (1987-03-01), Yanase et al.
Katz et al.; Handbook of Fillers and Reinforcements for Plastics; van Nostrand Reinhold Co.; 1978; pp. 446-460.

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