Textiles: fiber preparation – Working – Drafting
Patent
1995-05-15
1996-06-25
Calvert, John J.
Textiles: fiber preparation
Working
Drafting
19 025, 19236, 19239, D01H 538, D01G 2300
Patent
active
055287980
ABSTRACT:
A process for controlling the operation of a textile draw frame wherein a plurality of fiber slivers are fed to the draw frame at a predetermined desired delivery speed includes monitoring the presence of individual fiber slivers delivered to the draw frame and decreasing the delivery speed of the draw frame if any of the monitored fiber slivers is indicated as missing from being fed to the draw frame. The process includes subsequently increasing the delivery speed of the draw frame if the respective missing fiber slivers are again indicated as being fed to the draw frame. The invention also includes a draw frame including apparatus for carrying out the controlling process.
REFERENCES:
patent: 3300817 (1967-01-01), Binder et al.
patent: 4163927 (1979-08-01), Grice, Jr.
patent: 4404710 (1983-09-01), Wood
patent: 4779311 (1988-10-01), Leifeld
patent: 5023976 (1991-06-01), Meyer et al.
patent: 5086542 (1992-02-01), Franklin et al.
patent: 5398380 (1995-03-01), Leifeld
Article-Einfuhrung In Die Regelungstechnik II, Textilindustrie 71, Apr. 1969.
Article-Allgemeine Grundlagen Der Steuerung Und Regelung, Melliand Textilberichte, Jul. 1963.
De Silva Kumara
Jaeger Wolfgang
Strobel Michael
Werner Dieter
Calvert John J.
Rieter Ingolstadt Spinnereimaschinenbau AG
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