CA929801A - Procede et machine a retreindre pour pieces tubulaires, avec regulation de l'epaisseur - Google Patents

Procede et machine a retreindre pour pieces tubulaires, avec regulation de l'epaisseur

Info

Publication number
CA929801A
CA929801A CA108029A CA108029A CA929801A CA 929801 A CA929801 A CA 929801A CA 108029 A CA108029 A CA 108029A CA 108029 A CA108029 A CA 108029A CA 929801 A CA929801 A CA 929801A
Authority
CA
Canada
Prior art keywords
retreindre
epaisseur
tubulaires
procede
avec
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
CA108029A
Inventor
Cuq Pierre
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA929801A publication Critical patent/CA929801A/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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Making Paper Articles (AREA)
CA108029A 1970-03-20 1971-03-17 Procede et machine a retreindre pour pieces tubulaires, avec regulation de l'epaisseur Expired CA929801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7011359A FR2081297B2 (en) 1970-03-20 1970-03-20

Publications (1)

Publication Number Publication Date
CA929801A true CA929801A (en) 1973-07-10

Family

ID=9053102

Family Applications (1)

Application Number Title Priority Date Filing Date
CA108029A Expired CA929801A (en) 1970-03-20 1971-03-17 Procede et machine a retreindre pour pieces tubulaires, avec regulation de l'epaisseur

Country Status (6)

Country Link
US (1) US3763688A (en)
CA (1) CA929801A (en)
DE (1) DE2113121A1 (en)
FR (1) FR2081297B2 (en)
GB (1) GB1315874A (en)
IT (1) IT988317B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178790A (en) * 1978-05-22 1979-12-18 Ex-Cell-O Corporation Roll-through cold forming apparatus
DE3032106C2 (en) * 1980-08-22 1986-01-16 Manfred Dr.-Ing. 4150 Krefeld Janßen Process and device for the continuous production of pipes with graduated inner and outer diameters
EP0177333B1 (en) * 1984-10-04 1991-07-31 Arthur Ernest Bishop Manufacture of valve cores
US4677839A (en) * 1985-08-09 1987-07-07 Camet, Inc. Apparatus for shaping a spiral catalyst support
DE4022261C1 (en) * 1990-07-12 1991-11-21 Mannesmann Ag, 4000 Duesseldorf, De
DE102006025034A1 (en) * 2006-05-26 2007-11-29 Müller Weingarten AG Process and assembly to cut elongated grooves in cylindrical workpieces forming part of an automotive clutch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US16630A (en) * 1857-02-10 platt
US396361A (en) * 1889-01-15 Rolling-die machine
US188643A (en) * 1877-03-20 Improvement in machines for forming the eyes of picks
US685417A (en) * 1901-01-07 1901-10-29 Lewis Williams Spike-grooving machine.
US1625340A (en) * 1926-03-13 1927-04-19 Youngstown Sheet And Tube Co Method of making well points

Also Published As

Publication number Publication date
FR2081297B2 (en) 1974-05-03
FR2081297A2 (en) 1971-12-03
IT988317B (en) 1975-04-10
DE2113121A1 (en) 1971-09-30
US3763688A (en) 1973-10-09
GB1315874A (en) 1973-05-02

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