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
GB30720/38A
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.)
Saint Gobain Italia SpA
Original Assignee
Vetreria Italiana Balzaretti Modigliani SpA
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 Vetreria Italiana Balzaretti Modigliani SpAfiledCriticalVetreria Italiana Balzaretti Modigliani SpA
Publication of GB508531ApublicationCriticalpatent/GB508531A/en
D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
D02G3/16—Yarns or threads made from mineral substances
D02G3/18—Yarns or threads made from mineral substances from glass or the like
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Textile Engineering
(AREA)
Moulding By Coating Moulds
(AREA)
Nonwoven Fabrics
(AREA)
Abstract
508,531. Making glass fibres. SOC. ANON. VETRERIA ITALIANA BALZARETTI MODIGLIANI. Oct. 24, 1938, No. 30720. Convention date, Nov. 5, 1937. [Class 56] [Also in Group IX] A roving is produced from a band or lap of glass fibres which cross each other at a constant angle by drawing the band through a tubular member in contact with a stream of fluid flowing oppositely thereto so as to render the fibres parallel. During production, the roving may be tempered. In one apparatus the lap 13 is first drawn through a member 2a by a current of air flowing therewith, the partially formed band 7 then passing through a heating tube 8a, a cooling member 2b and then through the tube 2c in opposition to an air stream.
GB30720/38A1937-11-051938-10-24Improved process for the production of roving from a band or lap of glass fibres
ExpiredGB508531A
(en)