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
GB8737/56A
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.)
Onderzoekings Instituut Research
Original Assignee
Onderzoekings Instituut Research
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 Onderzoekings Instituut ResearchfiledCriticalOnderzoekings Instituut Research
Publication of GB802089ApublicationCriticalpatent/GB802089A/en
D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
D02G1/04—Devices for imparting false twist
D02G1/06—Spindles
Abstract
802,089. False-twisting devices. ONDERZOEKINGSINSTITUUT RESEARCH N.V. March 20, 1956 [April 21, 1955], No. 8737/56. Class 120(2) A false-twist device has a rotatable member provided with an intermediate portion of smaller diameter than and which is freely rotatable with respect to the end portions. Yarn is drawn through a tube 2 fixed in a base 1 and along one of two channels 7 in a driven sleeve 5 to pass two or more times round the intermediate portion 10 which may be a plain cylinder or have a concave surface. From the intermediate portion 10, yarn passes through one of two channels 12 in a cap 11.
GB8737/56A1955-04-211956-03-20Improved false-twisting device and method for false-twisting threads
ExpiredGB802089A
(en)