Method for multiple-end-close-set uniform density parallel weft

Details Method for multiple-end-close-set uniform density parallel weft Method for multiple-end-close-set uniform density parallel weft

1987-03-09

1988-09-27

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including stitching and discrete fastener, coating or bond

112232, 112233, 112234, 112402, 112440, 428114, 428294, B32B 306

Patent

active

047741201

ABSTRACT:
A multiple-end weft-insertion process which is capable of achieving extremely high yarn density which is uniform in plys of structural fabrics is disclosed, making use of conventional machinery and systems. Yarn is transferred from a shuttle to yarn transfer elements spaced a sufficient distance apart to avoid damage to the yarn, and then transferred to yarn holding elements. Each successive pass of the shuttle is adjusted by moving the yarn transfer element parallel to the holding elements, so as to overlap each band deposited by the shuttle. The amount of movement necessary to achieve any desired density is calculated according to established parameters.

REFERENCES:
patent: 4325999 (1979-11-01), Champman
patent: 4444025 (1982-05-01), Krueger

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