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FR855769A - Method and device for the manufacture of coil springs working by traction, with particularly high initial tension - Google Patents

Method and device for the manufacture of coil springs working by traction, with particularly high initial tension

Info

Publication number
FR855769A
FR855769A FR855769DA FR855769A FR 855769 A FR855769 A FR 855769A FR 855769D A FR855769D A FR 855769DA FR 855769 A FR855769 A FR 855769A
Authority
FR
France
Prior art keywords
traction
manufacture
coil springs
particularly high
high initial
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.)
Wafios Maschinenfabrik Wagner Ficker and Schmid
Original Assignee
Wafios Maschinenfabrik Wagner Ficker and Schmid
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 Wafios Maschinenfabrik Wagner Ficker and Schmid filed Critical Wafios Maschinenfabrik Wagner Ficker and Schmid
Application granted granted Critical
Publication of FR855769A publication Critical patent/FR855769A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F3/00—Coiling wire into particular forms
    • B21F3/02—Coiling wire into particular forms helically
    • B21F3/06—Coiling wire into particular forms helically internally on a hollow form

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR855769D 1939-06-05 1939-06-05 Method and device for the manufacture of coil springs working by traction, with particularly high initial tension Expired FR855769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR855769T 1939-06-05

Publications (1)

Publication Number Publication Date
FR855769A true FR855769A (en) 1940-05-20

Family

ID=9328463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855769D Expired FR855769A (en) 1939-06-05 1939-06-05 Method and device for the manufacture of coil springs working by traction, with particularly high initial tension

Country Status (1)

Country Link
FR (1) FR855769A (en)

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