Double dent reed with increased separation between front and bac

Textiles: weaving – Weft manipulation – Lays or beat-ups

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D03D 4962

Patent

active

054152054

ABSTRACT:
A reed (28) for a loom includes a frame with upper and lower baulk mechanisms (D, E) that carry a front row (B) of dents (30) on the beat-up side of the frame and a back row (C) of dents (34) staggered in alignment with dents (30). Lower baulk mechanism (E) includes a stepped clamping portion which is reduced in depth compared to the depth of the upper portion of the lower baulk mechanism (E) such that dents (34) are shorter in height in the lower baulk mechanism (E) than dents (30). This renders one of the rows (C) of dents (34) able to be disposed farther from the other row (B) of dents (30) than if they were to extend into the clamping portion of the lower baulk mechanism (E) the same amount as dents (30). In this way, the angle of attack between the dents and the warp yarn ends is reduced and offers less resistance to the yarn passage, reducing abrasion of the warp yarns, reducing the lint buildup between the dents, and increasing efficiency by reducing the incidence of friction between adjacent warp yarns.

REFERENCES:
patent: 1146478 (1915-07-01), Coombs
patent: 3189056 (1965-06-01), Parks
patent: 3770024 (1973-11-01), Pfarrwaller
patent: 4471815 (1984-09-01), Wagner
patent: 4481980 (1984-11-01), Stenhouse
patent: 4611637 (1986-09-01), Huffman

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