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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Freeman; Walter J.
Address:
Landenberg, PA
No. of patents:
5
Patents:




Patent Number Title Of Patent Date Issued
6458726 Polypropylene fibers and items made therefrom October 1, 2002
Process of producing skin-core fibers and the resulting fibers and nonwoven materials and articles wherein the fibers are composed of a polymer blend of a polyolefin and polymeric bond curve enhancing agents, such as ethylene vinyl acetate polymers.
6116883 Melt spin system for producing skin-core high thermal bond strength fibers September 12, 2000
Process and apparatus for spinning polymer filaments permits the obtaining of skin-core filament structure by feeding a polymer composition to a spinnerette at a flow rate sufficient to obtain a spinning speed of about 10 to 200 meters per minute through the spinnerette; heating the poly
5985193 Process of making polypropylene fibers November 16, 1999
Process of producing skin-core fibers and the resulting fibers and nonwoven materials and articles wherein the fibers are composed of a polymer blend of a polyolefin and polymeric bond curve enhancing agents, such as ethylene vinyl acetate polymers.
5756026 Method for control of post molding fabric curl and distortion May 26, 1998
A process for eliminating post-molding fabric curl and distortion in molded fabrics and fabrics produced thereby. The molded fabrics are laminates including a non-woven fabric face and a binder layer and/or sheet backing. Post-molding curling and distortion can be eliminated by maintaini
5705119 Process of making skin-core high thermal bond strength fiber January 6, 1998
Process and apparatus for spinning polymer filaments permits the obtaining of skin-core filament structure by feeding a polymer composition to a spinnerette at a flow rate sufficient to obtain a spinning speed of about 10 to 200 meters per minute through the spinnerette; heating the poly


 
 
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