Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1990-12-26
1994-04-12
Matecki, Katherine
Winding, tensioning, or guiding
Coil holder or support
Spool or core
156169, 156446, B65H 5464
Patent
active
053018850
ABSTRACT:
A unidirectional material for helicopter parts is fabricated by winding a composite-material roving delivered from a feeding mechanism of a filament winding device around and between a plurality of pins provided on a mandrel rotating about the longitudinal axis thereof, the roving feeding mechanism being moved in a traversing manner such that the feeding path of the roving becomes a figure eight figure, whereby the roving is thus wound to form a tubular mesh of obliquely crossing and staggered helixes of the roving around the mandrel. The material has an improved strength in a transverse direction of the mandrel.
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Fuji Jukogyo Kabushiki Kaisha
Matecki Katherine
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