Loom for producing three dimensional weaves

Details Loom for producing three dimensional weaves Loom for producing three dimensional weaves

1976-03-12

1977-04-26

Jaudon, Henry S.

Textiles: weaving

Special-type looms

Multiple-shed

139 35, 139DIG1, D03D 4100

Patent

active

040195406

ABSTRACT:
A loom includes a take-up assembly to which the forward ends of longitudinal strands are attached and a tensioning assembly to which the rear ends of the strands are connected. The tensioning assembly maintains the strands taut and further arranges the strands in a predetermined array in which a plurality of strands exist in both crosswise directions. A shedding assembly is located between the take-up assembly and tensioning assembly and includes a plurality of vertical wires which pass crosswise through the array and a plurality of horizontal wires which also pass crosswise through the array. The vertical and horizontal wires are arranged in pairs with the two wires of each pair being on opposite sides of the longitudinal centerline for the array and spaced equally therefrom. Each pair of wires is supported on a single cable system having an actuator. The actuator when energized moves the cable system such that the wires either move together or spread apart. Since the wires pass through the array crosswise, shed openings are created in the array. Horizontal and vertical strands may be passed through these shed openings to create a three dimensional weave. The completed weave is confined in a weave guide which is located in a fixed position ahead of the shedding assembly. The take-up assembly and tensioning assembly move relative to the shedding assembly and weave guide as the weave grows progressively longer. The take-up assembly may be provided with a shaping device for creating a curved weave.

REFERENCES:
patent: 3217752 (1965-11-01), Sutcliffe
patent: 3237650 (1966-03-01), Dickerson
patent: 3799209 (1974-03-01), Dow et al.
patent: 3818951 (1974-06-01), Greenwood
patent: 3904464 (1975-09-01), King

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