GB1315958A - Detecting and counting overlength fibres - Google Patents

Detecting and counting overlength fibres

Info

Publication number
GB1315958A
GB1315958A GB1315958DA GB1315958A GB 1315958 A GB1315958 A GB 1315958A GB 1315958D A GB1315958D A GB 1315958DA GB 1315958 A GB1315958 A GB 1315958A
Authority
GB
United Kingdom
Prior art keywords
fibres
gripped
assembly
counting
aprons
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of GB1315958A publication Critical patent/GB1315958A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/36—Textiles
    • G01N33/365—Textiles filiform textiles, e.g. yarns

Abstract

1315958 Counting fibres IMPERIAL CHEMCAL INDUSTRIES Ltd 7 Oct 1970 [14 Oct 1969] 50472/69 Heading DIF Apparatus for detecting and counting overlength fibres in a longitudinally oriented fibre assembly, e.g. sliver, roving or top, comprises means for gripping the assembly at a predetermined distance from its leading end and withdrawing gripped fibres from the assembly, means for straightening the gripped fibres and means for counting the straightened fibres at one or more predetermined distances from the gripping means. In operation, the fibre assembly is intermittently forwarded between aprons 1, 2 towards the gripping means 5. The gripping means 5, comprising fixed upper jaw 6 and movable lower jaw 7, is advanced towards the aprons 1, 2 by a pnuematic piston and cylinder or a linear motor 9. The jaws 6, 7 close to grip the fibres and the gripping means 5 is retracted to withdraw fibres from the assembly. The gripped fibres are sucked into a slit 14 between a pair of transparent, e.g. glass, plates 12, 13 by means of suction applied to a container 10 or duct 11. The gripped fibres are thus straightened and are counted by means of a scanning photoeleectric cell and associated light source placed on opposite sides of the plates 12, 13. The impulses of the photoelectric cell are transmitted to a digital cumulative counter 18. The gripped fibres are then released and conveyed to the container 10 via the duct 11. The process is repeated. A plurality of photoelectric devices can be used to count fibres of different lengths in the gripped sample. The collected fibres can be weighed to correlate the fibres of a predetermined length to the total weight of fibres withdrawn. A clearing device such as a knife may be operated when the fibres are released to ensure that all fibres are released from the jaws 6, 7 and also that any overlength fibres not withdrawn from between the aprons are severed. Alternatively or in addition, the photo-electric device can perform a scanning operation on release of the fibres, any impulse due to a remaining fibre or impurity activating an alarm or stopping the apparatus.
GB1315958D 1969-10-14 1969-10-14 Detecting and counting overlength fibres Expired GB1315958A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5047269 1969-10-14

Publications (1)

Publication Number Publication Date
GB1315958A true GB1315958A (en) 1973-05-09

Family

ID=10456013

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1315958D Expired GB1315958A (en) 1969-10-14 1969-10-14 Detecting and counting overlength fibres

Country Status (1)

Country Link
GB (1) GB1315958A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991016625A1 (en) * 1990-04-26 1991-10-31 Siegfried Peyer Ag Textile on-line sampling inspection
WO2007001906A1 (en) * 2005-06-27 2007-01-04 The Procter & Gamble Company Apparatus to remove one individual hair/fiber at a time from a tuft using a gripping device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991016625A1 (en) * 1990-04-26 1991-10-31 Siegfried Peyer Ag Textile on-line sampling inspection
CH680536A5 (en) * 1990-04-26 1992-09-15 Peyer Ag Siegfried
US5295401A (en) * 1990-04-26 1994-03-22 Siegfried Peyer Ag Textile on-line sampling inspection
WO2007001906A1 (en) * 2005-06-27 2007-01-04 The Procter & Gamble Company Apparatus to remove one individual hair/fiber at a time from a tuft using a gripping device
JP2009502520A (en) * 2005-06-27 2009-01-29 ザ プロクター アンド ギャンブル カンパニー Device for removing one individual hair / fiber from a lock at once using a gripping device

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees