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Union Special GmbH
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Union Special GmbH
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Application filed by Union Special GmbHfiledCriticalUnion Special GmbH
Application grantedgrantedCritical
Publication of FR677957ApublicationCriticalpatent/FR677957A/fr
D05B21/00—Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam, e.g. program-controlled for sewing collars or for attaching pockets
D05B21/007—Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam, e.g. program-controlled for sewing collars or for attaching pockets to obtain circular or elliptical seams
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Engineering & Computer Science
(AREA)
Textile Engineering
(AREA)
Sewing Machines And Sewing
(AREA)
FR677957D1928-12-291929-07-06Mécanisme d'avance pour machines à coudre
ExpiredFR677957A
(fr)