AT172813B - Thread tensioning device for sewing machines - Google Patents

Thread tensioning device for sewing machines

Info

Publication number
AT172813B
AT172813B AT172813DA AT172813B AT 172813 B AT172813 B AT 172813B AT 172813D A AT172813D A AT 172813DA AT 172813 B AT172813 B AT 172813B
Authority
AT
Austria
Prior art keywords
tensioning device
sewing machines
thread tensioning
thread
sewing
Prior art date
Application number
Other languages
German (de)
Original Assignee
Singer Mfg Co
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 Singer Mfg Co filed Critical Singer Mfg Co
Application granted granted Critical
Publication of AT172813B publication Critical patent/AT172813B/en

Links

AT172813D 1946-08-09 1950-10-07 Thread tensioning device for sewing machines AT172813B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US172813XA 1946-08-09 1946-08-09

Publications (1)

Publication Number Publication Date
AT172813B true AT172813B (en) 1952-10-25

Family

ID=21781733

Family Applications (1)

Application Number Title Priority Date Filing Date
AT172813D AT172813B (en) 1946-08-09 1950-10-07 Thread tensioning device for sewing machines

Country Status (1)

Country Link
AT (1) AT172813B (en)

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