Weft stretching and detecting apparatus for a jet weaving loom
AssigneeLindauer Dornier Gesellschaft mbH
InventorsHans-Dieter Scorl, Ralf Koehnen
Life of this patent
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Abstract
A weft stretching and detecting device for a pneumatic weaving loom has a housing or mounting (6) with a weft guide channel section (8) in axial alignment with the weft insertion channel (2A) in the reed (2) of the loom and a weft stretching channel section (12) also in said housing or mounting (6). A single weft stop motion device (13) is constructed and positioned for detecting a weft insertion fault either in the guide channel section (8) or in the stretching channel section (12).
Claims12
A weft stretching and detecting apparatus for a jet weaving loom having a reed (2) with a weft insertion channel (2A), said apparatus comprising a housing (6) for attachment to said jet weaving loom, a first weft guiding channel section (8) in said housing (6) in axial alignment with said weft insertion channel (2A) in said reed (2), a second weft stretching channel section (12) in said housing (6), an air flow passage positioned for stretching a weft thread in said second weft stretching channel section (12), a single weft stop motion device (13) comprising a carrier (13A) secured to a weft exit end of said housing (6), and an electro-optical detector (13B, 13C) mounted to said carrier (13A) and positioned for detecting a weft insertion fault in any one of said first and second channel sections (8, 12), and wherein said carrier (13A) comprises a first weft detection passage (17) in an axial alignment with said first weft guide channel section (8), and a second weft detection passage (18) in axial alignment with said second weft stretching channel section (12).
Dependencies are inferred from the claim text.