High density filament winding and method for producing improved crossovers and inside payout
CA 1333130 C · Owner: Hughes Aircraft Company · Inventors: Lecompte, George W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
Method and apparatus for making a filament winding amenable to inside payout and having squared-off ends providing optimal volumetric efficiency. The filament crossovers are distributed so as to reduce crossover stacking in one or a few places which can interfere with winding and payout from the finished winding. A base wire layer (48) is wrapped onto a mandrel (30) over which a guide (52) is nestingly wound with adjacent guide wire turns spaced apart. The filament first layer is wound nesting in the guide wire, spaces (54) and subsequent, filament layers (56) accordingly formed. Each crossing filament turn has an advance in a crossing region substantially aligned with a crossover region in …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents.
Why it's free to use
- Granted November 22, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 22, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.