FR816034A - Tube push bench, for drawing magnifying glasses in the shape of pre-perforated bowls - Google Patents

Tube push bench, for drawing magnifying glasses in the shape of pre-perforated bowls

Info

Publication number
FR816034A
FR816034A FR816034DA FR816034A FR 816034 A FR816034 A FR 816034A FR 816034D A FR816034D A FR 816034DA FR 816034 A FR816034 A FR 816034A
Authority
FR
France
Prior art keywords
shape
push bench
magnifying glasses
tube push
bowls
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.)
TUBE IND PARTICIPATION Ltd
Original Assignee
TUBE IND PARTICIPATION Ltd
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 TUBE IND PARTICIPATION Ltd filed Critical TUBE IND PARTICIPATION Ltd
Application granted granted Critical
Publication of FR816034A publication Critical patent/FR816034A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
    • B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles by means of mandrels
    • B21C1/26—Push-bench drawing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR816034D 1936-06-29 1936-01-06 Tube push bench, for drawing magnifying glasses in the shape of pre-perforated bowls Expired FR816034A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE816034X 1936-06-29

Publications (1)

Publication Number Publication Date
FR816034A true FR816034A (en) 1937-07-28

Family

ID=6734899

Family Applications (1)

Application Number Title Priority Date Filing Date
FR816034D Expired FR816034A (en) 1936-06-29 1936-01-06 Tube push bench, for drawing magnifying glasses in the shape of pre-perforated bowls

Country Status (1)

Country Link
FR (1) FR816034A (en)

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