GB1259031A – – Google Patents
GB1259031A – – Google Patents
Info
Publication number
GB1259031A
GB1259031A
GB1259031DA
GB1259031A
GB 1259031 A
GB1259031 A
GB 1259031A
GB 1259031D A
GB1259031D A
GB 1259031DA
GB 1259031 A
GB1259031 A
GB 1259031A
Authority
GB
United Kingdom
Prior art keywords
breaking
tow
zone
sliver
cans
Prior art date
1968-09-21
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
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.)
1968-09-21
Filing date
1969-09-17
Publication date
1972-01-05
1969-09-17
Application filed
filed
Critical
1972-01-05
Publication of GB1259031A
publication
Critical
patent/GB1259031A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
D—TEXTILES; PAPER
D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
D01G1/00—Severing continuous filaments or long fibres, e.g. stapling
D01G1/06—Converting tows to slivers or yarns, e.g. in direct spinning
D01G1/08—Converting tows to slivers or yarns, e.g. in direct spinning by stretching or abrading
D01G1/081—Converting tows to slivers or yarns, e.g. in direct spinning by stretching or abrading with preferential breaking zones
D01G1/085—Converting tows to slivers or yarns, e.g. in direct spinning by stretching or abrading with preferential breaking zones obtained by thermic means
Abstract
1,259,031. Converting tow to sliver; apparatus. O-M Ltd. 17 Sept., 1969 [21 Sept., 1968; 26 May, 1969; 27 May, 1969], No. 45743/69. Heading D1F. Apparatus for converting a tow to a sliver comprises heat stretching means 1 having upper and lower hot plates 8, 9 moving up and down toward and away from each other and being temporarily stopped toward the end of the approaching stroke, breaking means 2 having a preparatory breaking zone divided into several stages for a series of breaking, a zone for breaking the tow into the required fibre length and a subsequent zone having the same roller gauge as the preceding zone and serving to break unbroken fibre, each zone comprising several sets of draft rollers with adjustable roller gauges, a sliver receiving means 4 whereby sliver 7 delivered from a crimping means 3 following the breaking means 2 is received in cans 84a, 84c without being severed, the breaking means 2 being provided with means detecting the tow over the entire width thereof, and cooling means for emitting wet, cold air directed to the breaking rollers. A can surface is provided to impart the up and down movement to the hot plates 8, 9. The roller stands 43, 44 for the required fibre length breaking zone and the subsequent breaking zone are mounted on relatively slidable plates, 56, 57 to adjust the roller gauge in these zones. The detecting means comprises a series of pivoted levers 63 extending across the width of the tow and maintained in balance by the contact with the tow. In the absence of tow due to coiling around a roller or misplacement, the lever 63 pivots and either blocks the light to a photoelectric cell or closes an electrical contact to stop the apparatus. The cans 84a, 84c in the receiving means 4 are held in position by two cruciform arms mounted on a rotary shaft 91 which is intermittently rotated to move the cans through 90‹. A coiler trumpet is positioned above one of the cans adjacent the periphery thereof so that the sliver 7 is annularly placed in the cans. The sliver is placed in a group of cans without severing. The rollers in the breaking means 2 are cooled by cold air being drawn into a chamber 72 by means of a fan 77, the cold air being mixed with water mist from a spray 81. The cold, wet air is directed to the rollers by ducts 73 each of which is provided with an adjustable damper 74 so that the cooling can be controlled relative to the rollers. Some of the cold wet air may be directed to the crimping means to set the crimp in the sliver. In a preferred embodiment, the broken tow is led into a stuffer-box crimper by means of calender rolls 53. In a preferred embodiment, the preparatory breaking zone is divided into three or more stages each having a draft factor of 20 or less.
GB1259031D
1968-09-21
1969-09-17
Expired
GB1259031A
(en)
Applications Claiming Priority (3)
Application Number
Priority Date
Filing Date
Title
JP8211868
1968-09-21
JP4911169
1969-05-26
JP4943569
1969-05-27
Publications (1)
Publication Number
Publication Date
GB1259031A
true
GB1259031A
(en)
1972-01-05
Family
ID=27293530
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1259031D
Expired
GB1259031A
(en)
1968-09-21
1969-09-17
Country Status (2)
Country
Link
CH
(1)
CH511952A
(en)
GB
(1)
GB1259031A
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2187481A
(en)
*
1986-03-24
1987-09-09
Sipa Societa Italiana Prodotti
Process for shrinking thermically shrinkable fibres
CN105063812A
(en)
*
2015-07-21
2015-11-18
杨建军
Fluff low-temperature combined carding device and carding technique
1969
1969-09-08
CH
CH1358269A
patent/CH511952A/en
not_active
IP Right Cessation
1969-09-17
GB
GB1259031D
patent/GB1259031A/en
not_active
Expired
Cited By (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2187481A
(en)
*
1986-03-24
1987-09-09
Sipa Societa Italiana Prodotti
Process for shrinking thermically shrinkable fibres
GB2187481B
(en)
*
1986-03-24
1989-12-06
Sipa Societa Italiana Prodotti
Process for shrinking thermically shrinkable fibres
CN105063812A
(en)
*
2015-07-21
2015-11-18
杨建军
Fluff low-temperature combined carding device and carding technique
CN105063812B
(en)
*
2015-07-21
2018-08-07
杨建军
Villus low temperature combines opening box and carding technology
Also Published As
Publication number
Publication date
CH511952A
(en)
1971-08-31
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Legal Events
Date
Code
Title
Description
1972-05-17
PS
Patent sealed
1980-04-23
PCNP
Patent ceased through non-payment of renewal fee
