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US 4,251,036 AGranted
Filament winding apparatus for making fiber reinforced plastic members
AssigneeShakespeare Company
InventorPhilippe H. McLain
Life of this patent
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AssigneeShakespeare Company
InventorPhilippe H. McLain
Estimating the term…
An apparatus for making fiber reinforced plastic members. The apparatus employs a rotatable mandrel (18) and a winding head (16) with a unique arrangement by which to effect relative longitudinal movement between the winding head (16) and the mandrel (18). Either the winding head (16) or the mandrel (18) may be longitudinally fixed. The other of those members is mounted on a trolley (30) that can be reciprocated parallel to the longitudinal axis (42) of the mandrel (18). This reciprocation is effected by having a dog means (51) mounted on the trolley (30) that is movable between a first and second position. In the first position the dog means (51) engages a lug (50) on a drive means to move the trolley (30) in one direction, and in the second position the dog means (51) engages the lug (50) to move the trolley (30) in the opposite direction. Further means (71, 72) are provided to move the dog means (51) between said first and second positions and to provide an appropriate dwell when the movement of the trolley (30) is reversed, said dwell allowing reinforcing strands (35) to anchor and being timed precisely to index the successive wraps of the reinforcing strands (35) onto the mandrel (18).
In an apparatus for making fiber reinforced plastic members, said apparatus having two relatively movable winding elements, one element being a mandrel and the other element being a winding head, means to effect relative rotational movement between said winding elements and means to effect relative longitudinal movement between said winding elements, said apparatus having a frame, one winding element supported on said frame, a trolley mounted on said frame for reciprocating movement thereon, the other winding element carried on said trolley, dog means carried on said trolley selectively connected to said drive means and means to release said dog means from said drive means at selected locations to provide a dwell during which said relative rotational movement continues while said relative longitudinal movement is arrested whereby to anchor the reinforcing strands as they are wound onto the mandrel and subsequently to position said dog means for subsequent reengagement by said drive means.
In an apparatus for making fiber reinforced plastic members, said apparatus having a mandrel, means to rotate said mandrel and a nonrotating winding head by which to feed reinforcing strands onto said mandrel, a means to effect relative longitudinal movement between said winding head and said mandrel comprising:
Dependencies are inferred from the claim text.