(19)
(11) EP 0 303 345 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
03.01.1990 Bulletin 1990/01

(43) Date of publication A2:
15.02.1989 Bulletin 1989/07

(21) Application number: 88305912.3

(22) Date of filing: 29.06.1988
(51) International Patent Classification (IPC)4D01G 29/00, D01G 23/04
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 12.08.1987 GB 8719093

(71) Applicant: Haigh-Chadwick Limited
Cleckheaton West Yorkshire (GB)

(72) Inventor:
  • Brydon, Alan
    Liversedge West Yorkshire (GB)

(74) Representative: McNeight, David Leslie et al
McNeight & Lawrence Regent House Heaton Lane
Stockport Cheshire SK4 1BS
Stockport Cheshire SK4 1BS (GB)


(56) References cited: : 
   
       


    (54) Methods and apparatus for fibre preparation


    (57) The application of lubricants and other substances in fibre preparation machinery is regulated by measuring fibre mass flow rate through the machinery at a measuring position (14,51,45), applying lubricant to the fibre at a position (16) downstream of the measuring position, and controlling the rate of applicaion in accordance with the measured fibre mass flow rate after a delay corresponding to the time taken by the fibre to pass between the measuring and application positions.





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