Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1986-10-15
1988-09-20
Silbaugh, Jan H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
264103, 264143, 264145, 264167, 26417713, 264178R, 2642102, 2642108, 26421112, 26421114, D01D 512
Patent
active
047723475
ABSTRACT:
A method of making a filamentary structure comprising a spiral thermoplastic core filament disposed within a thermoplastic sheath component is provided. The method involves extruding together from an extrusion die filaments forming the core filament and the sheath component, with the core filament being extruded at a faster rate than the sheath component which causes the core filament to spiral, and cooling the extrudates to form a unitary structure. A plurality of the filamentary structures may be extruded side-by-side so that their sheath components are joined together to form a fabric structure.
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Francis Richard
Lorin Hubert C.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Silbaugh Jan H.
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