Fiber glass product incorporating string binders
OwnerSteven J. Morris, James C. Peters +1inventors
InventorsSteven J. Morris, James C. Peters, Wen Li
Life of this patent
Estimating the term…
Abstract
A multi-end fiber glass roving comprises a plurality of fiber glass ends and at least one bicomponent string binder. The bicomponent string binder may comprise at least one bundle of bicomponent string binder filaments, each filament having a core and an outer sheath.
Claims30
A fiber glass roving, comprising:
- a plurality of fiber glass ends;
- and
- at least one bicomponent string binder comprising a core and an outer sheath, wherein the core comprises polyethylene terephthalate and wherein the outer sheath comprises a copolyester.
The fiber glass roving of claim 10, wherein the outer sheath of the at least one bicomponent string binder comprises at least seventy weight percent of the string binder based on the total weight of the string binder.
A fiber glass roving, comprising:
- a plurality of fiber glass ends;
- and
- at least one bicomponent string binder comprising a core and an outer sheath, wherein the core comprises polyethylene terephthalate and wherein the outer sheath comprises glycol modified polyethylene terephthalate.
A method of forming a multi-end fiber glass roving, comprising:
- providing a plurality of fiber glass ends to a roving winder at a first tension;
- providing at least one fiber glass end and a plurality of bicomponent string binder filaments, each filament having a core and an outer sheath, to the roving winder at a second tension;
- and
- winding the fiber glass ends and the plurality of bicomponent string binder filaments to form a multi-end fiber glass roving,
- wherein the second tension is less than the first tension.
Dependencies are inferred from the claim text.