FR722800A - Spool Thread Tension Device for Sewing Machines - Google Patents

Spool Thread Tension Device for Sewing Machines

Info

Publication number
FR722800A
FR722800A FR722800DA FR722800A FR 722800 A FR722800 A FR 722800A FR 722800D A FR722800D A FR 722800DA FR 722800 A FR722800 A FR 722800A
Authority
FR
France
Prior art keywords
sewing machines
tension device
thread tension
spool thread
spool
Prior art date
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
Other languages
French (fr)
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.)
Singer Co
Original Assignee
Singer 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 Co filed Critical Singer Co
Application granted granted Critical
Publication of FR722800A publication Critical patent/FR722800A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B63/00—Devices associated with the loop-taker thread, e.g. for tensioning

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
FR722800D 1931-09-10 1931-09-10 Spool Thread Tension Device for Sewing Machines Expired FR722800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR722800T 1931-09-10

Publications (1)

Publication Number Publication Date
FR722800A true FR722800A (en) 1932-03-25

Family

ID=9102816

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722800D Expired FR722800A (en) 1931-09-10 1931-09-10 Spool Thread Tension Device for Sewing Machines

Country Status (1)

Country Link
FR (1) FR722800A (en)

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