Tools – Wrench – screwdriver – or driver therefor – Rigid jaws
Patent
1992-07-14
1993-12-21
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Rigid jaws
81900, B25B 1306
Patent
active
052713008
ABSTRACT:
A totally non-metallic wrench formed entirely of fiber-reinforced plastic material includes a core of random discontinuous glass-fiber-reinforced plastic material and a band of unidirectional continuous glass-fiber-reinforced plastic material extending around the periphery of the core which are subjected to compression molding to form a composite wrench structure.
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Machmeier Paul M.
Zurbuchen Gregory A.
Meislin D. S.
Snap-on Tools Corporation
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