FR727878A - Method and device for making longitudinal grooves on cylindrical spinning reels for the artificial silk industry - Google Patents

Method and device for making longitudinal grooves on cylindrical spinning reels for the artificial silk industry

Info

Publication number
FR727878A
FR727878A FR727878DA FR727878A FR 727878 A FR727878 A FR 727878A FR 727878D A FR727878D A FR 727878DA FR 727878 A FR727878 A FR 727878A
Authority
FR
France
Prior art keywords
longitudinal grooves
artificial silk
spinning reels
making longitudinal
silk industry
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.)
BERLIN KARLSRUHER INDUSTRIE WERKE AG
Original Assignee
BERLIN KARLSRUHER INDUSTRIE WERKE AG
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 BERLIN KARLSRUHER INDUSTRIE WERKE AG filed Critical BERLIN KARLSRUHER INDUSTRIE WERKE AG
Application granted granted Critical
Publication of FR727878A publication Critical patent/FR727878A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/02—Corrugating tubes longitudinally

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR727878D 1930-12-20 1931-12-05 Method and device for making longitudinal grooves on cylindrical spinning reels for the artificial silk industry Expired FR727878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE727878X 1930-12-20

Publications (1)

Publication Number Publication Date
FR727878A true FR727878A (en) 1932-06-25

Family

ID=6635554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727878D Expired FR727878A (en) 1930-12-20 1931-12-05 Method and device for making longitudinal grooves on cylindrical spinning reels for the artificial silk industry

Country Status (1)

Country Link
FR (1) FR727878A (en)

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