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Inventor: Peterson; Weldon H.
Address: Colonial Heights, VA
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5322736 |
Hollow-trilobal cross-section filaments |
June 21, 1994 |
| This invention relates to a trilobal filament having at least one axially extending void, preferably one axially extending void in each lobe, wherein each lobe has a composite curve profile having a first arm angle .alpha. and a second arm angle .beta., the cross-section has a modifi |
| 4770938 |
Hollow trilobal cross-section filament |
September 13, 1988 |
| This invention is a trilobal, synthetic fiber, intended for use in carpets, having an axially extending hole in each lobe, the total cross-sectional area of the fiber being about 5 to 12 percent void, said fiber cross-section having a modification ratio of between about 2 to 3, and an |
| 4648830 |
Spinnerette for producing hollow trilobal cross-section filament |
March 10, 1987 |
| This invention is a trilobal, synthetic fiber, intended for use in carpets, having an axially extending hole in each lobe, the total cross-sectional area of the fiber being about 5 to 12 percent void, said fiber cross-section having a modification ratio of between about 2 to 3, and an |
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