Textiles: fiber preparation – Working – Carding
Patent
1987-05-22
1988-10-25
Rimrodt, Louis K.
Textiles: fiber preparation
Working
Carding
19106R, 19240, D01G 2306
Patent
active
047793112
ABSTRACT:
A method of feeding a plurality of fiber processing machines with fiber tufts, including the steps of pneumatically advancing fiber tufts by a conveying fan within a first tuft confining device into a second tuft confining device associated with respective fiber processing machines; compressing the tufts in each second tuft confining device by a compressing air stream whereby a compressed tuft column having a height level is obtained in each second tuft confining device; and measuring and regulating the pressure in at least one of the tuft confining devices. The first tuft confining device comprises a tuft conveying duct and the second tuft confining devices are formed of tuft collecting chutes. Further, upon a change of fiber type to be processed and the resulting change of the height level in respective said tuft collecting chutes, the flow output rate of the compressing fan is altered until a predetermined height level of the fiber tuft column is reached; and the pressure corresponding to the predetermined height level is measured in the respective tuft collecting chute.
REFERENCES:
patent: 4321732 (1982-03-01), Erben
patent: 4506413 (1985-03-01), Leifeld
patent: 4535511 (1985-08-01), Leifeld et al.
patent: 4689857 (1987-09-01), Pinto
Rimrodt Louis K.
Trutzschler GmbH & Co. KG
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