FR662977A - Method and device for forming moldings or protrusions - Google Patents

Method and device for forming moldings or protrusions

Info

Publication number
FR662977A
FR662977A FR662977DA FR662977A FR 662977 A FR662977 A FR 662977A FR 662977D A FR662977D A FR 662977DA FR 662977 A FR662977 A FR 662977A
Authority
FR
France
Prior art keywords
protrusions
forming moldings
moldings
forming
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)
Inventor
Chedler Robert Binds
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 filed Critical
Application granted granted Critical
Publication of FR662977A publication Critical patent/FR662977A/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
    • B21D15/04—Corrugating tubes transversely, e.g. helically
    • B21D15/10—Corrugating tubes transversely, e.g. helically by applying fluid pressure
    • B21D15/105—Corrugating tubes transversely, e.g. helically by applying fluid pressure by applying elastic material

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR662977D 1928-02-11 1928-02-11 Method and device for forming moldings or protrusions Expired FR662977A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR662977T 1928-02-11

Publications (1)

Publication Number Publication Date
FR662977A true FR662977A (en) 1929-08-14

Family

ID=9011783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR662977D Expired FR662977A (en) 1928-02-11 1928-02-11 Method and device for forming moldings or protrusions

Country Status (1)

Country Link
FR (1) FR662977A (en)

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