Bristle sub-assemblies having parallel pairs of bristles; and methods
作者： Winship Stinson Reed , Mark Stephen Edwards , Robert Maurice Brown
DOI:
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摘要: An apparatus for forming bristle sub-assemblies includes a vertically oriented slot, which is formed by two endless belts. A wheel disposed above the slot pushes string into slot. The has plurality of bristles connected to base in rows. rows can be horizontally oriented, so that all are co-planar horizontal plane, or they angularly with at vertex angle. When pushed bend adopt new, substantially parallel orientation. ultrasonic heater heats bent re-set thermoplastic material from made after cooling, orientation maintained.
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