Measuring and testing – Sheet – woven fabric or fiber – Filament
Patent
1991-05-29
1992-06-23
Cuchlinski, Jr., William A.
Measuring and testing
Sheet, woven fabric or fiber
Filament
19 023, 19150, G01L 500
Patent
active
051232804
ABSTRACT:
A sliver measuring device includes a pair of rollers (6, 7) which limit two sides of a rectangular measuring space (3). A third side of the measuring space (3) is closed off by a guide roller (8) or by a guide plate. A measuring element (5) for the thickness or non-uniformity of the sliver is arranged on a fourth side of the measuring space. The rollers (6, 7) serve to compact the sliver in the measuring space. The measuring element (5) is formed by a leaf spring provided with strain gauges. Since the sliver is actively driven at the measuring point, this leads to an increase in the compaction of the sliver and thus to an increase in the measuring accuracy dependent upon the compaction. On the other hand, the inertia of the measuring element is very low.
REFERENCES:
patent: 2680266 (1954-06-01), Kershaw
patent: 3822590 (1974-07-01), Tharpe et al.
patent: 3854330 (1974-12-01), Wildbolz
patent: 4646387 (1987-03-01), Oswald et al.
patent: 4864853 (1989-09-01), Grunder et al.
patent: 5018246 (1991-05-01), Leifeld
Uster News Bulletin, "Autolevelling systems at carding and drawing from technological point of view" No. 30/Aug. 1982.
Cuchlinski Jr. William A.
Worth W. Morris
Zellweger Uster AG
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