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US 5,701,730 AGranted
Incandescent mantles
AssigneeTBA Industrial Products Limited
InventorsBrian Steven Kennedy, Peter Hayhurst
Life of this patent
Estimating the term…
Abstract
An incandescent mantle tie cord comprises a continuous multifilament first core of a refractory fiber, a second core of another continuous multifilament yarn and an outer sheath of staple fibers wrapped about said first and second cores.
Claims7
A mantle tie cord comprising a continuous multifilament first core of refractory fiber, a second core of another continuous multifilament yarn and an outer sheath of staple fibers wrapped about said first and second cores, wherein the periphery of said first core is adjacent to the periphery of said second core.
Dependencies are inferred from the claim text.