Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1981-10-01
1983-08-09
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
28102, 156179, 156229, 156271, 156290, 1563084, 156436, 156439, 156555, B32B 512
Patent
active
043977030
ABSTRACT:
A method is described for making a fiber-reinforced composite film sheet (fiber/film laminate) by continuously forming a first planar lap from a plurality of machine-direction (MD) fibers, continuously forming a second planar lap from a single fiber as transverse-direction (TD) reaches which are connected by 180.degree. loops by stretching the fiber between a horizontally diverging pair of chain assemblies, continuously straddling both laps with a pair of co-extruded films which extend sidewardly beyond the loops, vertically converging the films and fibers to form a sandwich, edge sealing the sandwich within strips close to its side edges but inwardly of the loops, lifting the loops from the chain assemblies, sidewardly smoothing and tautening the sandwich, and laminating the sandwich with heat and pressure to form the composite film sheet.
The apparatus for carrying out this method comprises a creel and fiber guides for supplying the MD fibers as the first planar lap; a pair of endlessly revolving roller chain assemblies supporting rows of spindles which are arranged to be initially interwoven, subsequently divergent, and finally in parallel movement to form the second planar lap of TD reaches having their loops over the selectively spaced-apart rows of spindles; at least one bobbin and an engagement support stand for supplying the TD fiber to the initially interwoven spindles; a film storage and feed assembly for supplying the pair of co-extruded films; a film turning and expanding assembly for alignment of the films into straddling relationship to the planar laps of fibers and for sidewise expansion of the films; a converging assembly for arranging the MD and TD fibers and the pair of films to form a fiber/film sandwich; an edge-sealing assembly for heat-sealing the sandwich within a strip which is disposed close to the loops at each edge but inwardly of the loops; a film pickup assembly for lifting the rows of loops from the spindles; an edge puller assembly for smoothing and tautening the edge-sealed sandwich; a laminating assembly for heat sealing the co-extruded films, MD fibers, and TD fiber together to form the fiber-reinforced composite sheet; and a winder for winding the sheet into a roll.
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Ball Michael W.
Gilman Michael G.
Huggett Charles A.
Kowalski Frank J.
Mobil Oil Corporation
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