Abstract:
Stuffing material is manufactured from a web of heavily crimped synthetic filaments by passing the web twice through smooth surfaced rollers, the two rollers being driven at different peripheral speeds such that in the two passes opposite sides of the web make contact with the roller having the higher peripheral speed.
Abstract:
A PROCESS AND APPARATUS FOR PRODUCING SYNTHETIC TEXTILE STUFFING MATERIAL FROM A CAPABLE OF CONTINUOUS SYNTHETIC FILAMENTS, WHICH MAY OR MAY NOT BE CRIMPED, FOR USE IN STUFFING ARTICLES SUCH AS SLEEPING BAGS, ANORAKS, QUILTS, ETC. THIS PROCESS CONSISTS IN PASSING A CABLE OF CONTINUOUS SYNTHETIC FILAMENTS BETWEEN TWO SMOOTH ROLLERS TURNING AT DIFFERENT PERIPHERAL SPEEDS AND HAVING AN ALTERNATE RELATIVE TRANSVERSE MOVEMENT, RECEIVING THE THUS FLATTENED CABLE OF CONTINUOUS SYNTHETIC FILAMENTS ON A CONVEYOR BELT, SPRAYING THIS FLATTENED CABLE WITH A BINDING MATERIAL, AND CAUSING THE BINDING MATERIAL TO HARDEN.
Abstract:
THE SPECIFICATION DESCRIBES A METHOD AND APPARATUS FOR FORMING A NON-WOVEN FIBROUS WEB, E.G. SUITABLY FOR PADDING OR STUFFING. A TOW IS SPREAD AND FED WITHOUT TENSION BY TWO ROLLERS, ROTATING AT DIFFERENT SPEEDS, ONTO A CONVEYOR BELT, AND A PUSHER BLADE EXTENDING OVER THE FULL WIDTH INTERMITTENTLY PRESSES ON THE TOW AND MOVES FASTER THAN THE BELT. THE RESULTING WEB IS SPRAYED WITH A BONDING AGENT WHICH IS THEN CORED.
Abstract:
THE INVENTION RELATES TO PADDING MATERIAL FOR UPHOLSTERY AND THE LIKE, AND A METHOD OF MANUFACTURE THEREOF IN WHICH A LARGE NUMBER OF CONTINUOUS, PREFERABLY CRIMPED, CHEMICAL FILAMENTS ARE ARRANGED SIDE-BY-SIDE TO FORM A FLAT SHEET. THE SHEET IS FORMED INTO DEEP UNDULATIONS, E.G. BY PASSING BETWEEN ROLLERS ROTATING AT DIFFERENT PERIPHERAL SPEEDS AND THE UNDULATIONS ARE SPRAYED WITH A RESIN WHICH IS THEN HARDENED TO FIX THE UNDULATIONS IN POSITIONS.