GB1226878A – – Google Patents
GB1226878A – – Google Patents
Info
Publication number
GB1226878A
GB1226878A
GB1226878DA
GB1226878A
GB 1226878 A
GB1226878 A
GB 1226878A
GB 1226878D A
GB1226878D A
GB 1226878DA
GB 1226878 A
GB1226878 A
GB 1226878A
Authority
GB
United Kingdom
Prior art keywords
strand
conductive
heated
carbon
electrodes
Prior art date
1967-07-12
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.)
1967-07-12
Filing date
1968-07-12
Publication date
1971-03-31
1968-07-12
Application filed
filed
Critical
1971-03-31
Publication of GB1226878A
publication
Critical
patent/GB1226878A/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
D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
D01F9/16—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
Y10S264/19—Inorganic fiber
Abstract
1,226,878. Carbon fibres. HITCO. 12 July, 1968 [12 July, 1967], No. 33432/68. Heading C1A. Carbon fibres are made by continuously and radiantly heating e.g. to above 800 C., in a non- oxidizing atmosphere an advancing non-conductive carbonaceous strand, suitably having carbon content of 50-85% wt., by means of a resistively heated conductive carbon fibre which is adjacent thereto. In a preferred embodiment a cellulosic strand, which may be coated with a polymeric material, is fed from a spindle over guide rollers 17, 18, at a rate between 2 and 100 feet/minute into closed chamber 11, which is flushed with an inert gas suitably N 2 entering. conduit 15, and then is passed over grooved electrodes 12, 13. The strand is passed over the electrodes-in a complete loop and passes out to a take-up reel via guide rollers 19, 20. The arriving strand portion 10a is nonconductive and as the portion 10b passes between electrodes 12, 13, it is adjacent to the conductive portion 10d which is resistively heated to 1000- 3200 C. and portion 10b is thereby radiantly heated to a temperature of at least 800 C. and pyrolized to bring the carbon content to above 85% wt. The portion 10b is heated for 1/50-10 seconds and is conductive by the time it arrives at electrode 13. Strand portion 10c is resistively heated, thereby increasing the carbon content to as highas 99% by the time the strand returns to electrode 12. Stress may be applied to strand portion 10e: The method may be used for one or more strands inthe form of single fibres, tapes, webs or sleeving. .
GB1226878D
1967-07-12
1968-07-12
Expired
GB1226878A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US65287767A
1967-07-12
1967-07-12
Publications (1)
Publication Number
Publication Date
GB1226878A
true
GB1226878A
(en)
1971-03-31
Family
ID=24618559
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1226878D
Expired
GB1226878A
(en)
1967-07-12
1968-07-12
Country Status (7)
Country
Link
US
(1)
US3540848A
(en)
BE
(1)
BE717738A
(en)
ES
(1)
ES355926A1
(en)
FR
(1)
FR1574297A
(en)
GB
(1)
GB1226878A
(en)
IL
(1)
IL30322A
(en)
NL
(1)
NL6809359A
(en)
Families Citing this family (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3635675A
(en)
*
1968-05-28
1972-01-18
Us Air Force
Preparation of graphite yarns
US3663173A
(en)
*
1968-05-31
1972-05-16
Stevens & Co Inc J P
Process for producing carbonized fibrous products
JPS4828697B1
(en)
*
1969-12-04
1973-09-04
US3779789A
(en)
*
1971-04-20
1973-12-18
Celanese Corp
Production of pervious low density carbon fiber reinforced composite articles
US5232490A
(en)
*
1985-11-27
1993-08-03
Leadville Silver And Gold
Oxidation/reduction process for recovery of precious metals from MnO2 ores, sulfidic ores and carbonaceous materials
DE502006007528D1
(en)
*
2006-04-15
2010-09-09
Toho Tenax Co Ltd
Process for the continuous production of carbon fibers
ATE497834T1
(en)
*
2007-10-11
2011-02-15
Toho Tenax Co Ltd
METHOD FOR PRODUCING HOLLOW CARBON FIBERS
WO2016159305A1
(en)
*
2015-03-31
2016-10-06
東レ株式会社
Hollow fiber membrane manufacturing method
Family Cites Families (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3313597A
(en)
*
1963-01-24
1967-04-11
Union Carbide Corp
Method for continuous graphitization of carbonaceous thread
FR1432042A
(en)
*
1965-04-05
1966-03-18
Union Carbide Corp
Manufacturing process of graphite yarns
US3399252A
(en)
*
1966-04-15
1968-08-27
Air Force Usa
Method and apparatus for manufacture of high strength and high modulus carbon filaments
1967
1967-07-12
US
US652877A
patent/US3540848A/en
not_active
Expired – Lifetime
1968
1968-07-02
NL
NL6809359A
patent/NL6809359A/xx
unknown
1968-07-05
FR
FR1574297D
patent/FR1574297A/fr
not_active
Expired
1968-07-05
IL
IL30322A
patent/IL30322A/en
unknown
1968-07-05
BE
BE717738D
patent/BE717738A/xx
not_active
IP Right Cessation
1968-07-09
ES
ES355926A
patent/ES355926A1/en
not_active
Expired
1968-07-12
GB
GB1226878D
patent/GB1226878A/en
not_active
Expired
Also Published As
Publication number
Publication date
BE717738A
(en)
1969-01-06
DE1769784A1
(en)
1971-10-07
IL30322A0
(en)
1968-09-26
ES355926A1
(en)
1969-12-16
FR1574297A
(en)
1969-07-11
NL6809359A
(en)
1969-01-14
US3540848A
(en)
1970-11-17
DE1769784B2
(en)
1976-01-15
IL30322A
(en)
1972-07-26
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(en)
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Alpha moc superconductor fibres
Legal Events
Date
Code
Title
Description
1971-08-11
PS
Patent sealed [section 19, patents act 1949]
1985-03-06
PCNP
Patent ceased through non-payment of renewal fee
