Process for the production of a ball game racket frame
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United States of America Patent
Stats
-
Dec 24, 1991
Grant Date -
N/A
app pub date -
Dec 12, 1989
filing date -
Dec 15, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for the production of a ball game racket frame, in particular a tennis racket, squash racket or badminton racket frame, with a head and a shaft, in which at least the head and/or the shaft is made of a fiber-reinforced plastic as a hollow body, an injectable matrix, optionally with a reinforcing fiber material and an inert gas under pressure, in particular N.sub.2, is injected into a mold to form the hollow space of the hollow body.
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