Tow guide for redirect rollers in a fiber placement machine
First Claim
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1. A tow guide for use in a fiber placement machine where at least one fiber reinforced tow runs along a path from an upstream tow supply to a downstream tow application work zone, the tow passing over at least one guide roller located along its path, the guide roller being journalled for, rotation about its central longitudinal axis, the tow guide comprising:
- first and second radially extending fins subtending an arc around the periphery of said roller, said fins each having an outer edge portion extending beyond the outer radius of said roller; and
means for mounting said fins in an axially spaced assembly along said axis.
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Abstract
Redirect rollers are fitted with non-rotating upstanding fins to provide enhanced guidance for spaced tows which wrap the rollers.
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Citations
6 Claims
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1. A tow guide for use in a fiber placement machine where at least one fiber reinforced tow runs along a path from an upstream tow supply to a downstream tow application work zone, the tow passing over at least one guide roller located along its path, the guide roller being journalled for, rotation about its central longitudinal axis, the tow guide comprising:
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first and second radially extending fins subtending an arc around the periphery of said roller, said fins each having an outer edge portion extending beyond the outer radius of said roller; and means for mounting said fins in an axially spaced assembly along said axis. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification