CS216685B2 - Method of making the thin-walled seamless tube bends and facility for executing the same - Google Patents

Method of making the thin-walled seamless tube bends and facility for executing the same Download PDF

Info

Publication number
CS216685B2
CS216685B2 CS796768A CS676879A CS216685B2 CS 216685 B2 CS216685 B2 CS 216685B2 CS 796768 A CS796768 A CS 796768A CS 676879 A CS676879 A CS 676879A CS 216685 B2 CS216685 B2 CS 216685B2
Authority
CS
Czechoslovakia
Prior art keywords
walled
tubular
thin
blank material
rolling head
Prior art date
Application number
CS796768A
Other languages
Czech (cs)
English (en)
Inventor
Heinz Blaser
Original Assignee
Heinz Blaser
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 Heinz Blaser filed Critical Heinz Blaser
Publication of CS216685B2 publication Critical patent/CS216685B2/cs

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
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14—Spinning
    • B21D22/16—Spinning over shaping mandrels or formers
CS796768A 1978-10-11 1979-10-04 Method of making the thin-walled seamless tube bends and facility for executing the same CS216685B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1053478A CH634238A5 (de) 1978-10-11 1978-10-11 Verfahren und maschine zum fliessdruecken eines duennwandigeren naht- und falzlosen blech-rohrbogens aus einem kuerzeren und dickwandigeren rohrbogen-rohling.

Publications (1)

Publication Number Publication Date
CS216685B2 true CS216685B2 (en) 1982-11-26

Family

ID=4364244

Family Applications (1)

Application Number Title Priority Date Filing Date
CS796768A CS216685B2 (en) 1978-10-11 1979-10-04 Method of making the thin-walled seamless tube bends and facility for executing the same

Country Status (14)

Country Link
EP (1) EP0010057B1 (fr)
CA (1) CA1123381A (fr)
CH (1) CH634238A5 (fr)
CS (1) CS216685B2 (fr)
DD (1) DD146402A5 (fr)
DE (1) DE2964544D1 (fr)
ES (1) ES484879A1 (fr)
FI (1) FI792882A (fr)
HU (1) HU178179B (fr)
IE (1) IE49621B1 (fr)
NO (1) NO148665C (fr)
PL (1) PL218848A1 (fr)
PT (1) PT70295A (fr)
YU (1) YU231279A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1223306B (it) * 1987-10-09 1990-09-19 Blm Spa Procedimento e macchina per la deformazione plastica di corpi tubolari
US4989435A (en) * 1989-12-11 1991-02-05 Kabushiki Kaisha Asahi Kinzoku Hogyosho Method and apparatus for manufacturing curved pipe
US5979202A (en) * 1997-05-29 1999-11-09 Blakeley Engineering Ltd. Method and apparatus for making pipe line steel grooved-end fittings
US7316142B2 (en) 2004-05-21 2008-01-08 Lancaster Paul B Metal spin forming head

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2137864A (en) * 1935-09-28 1938-11-22 Taylor James Hall Method of making pipe fittings
US2560822A (en) * 1945-11-08 1951-07-17 Walton S Robinson Means and method for making seamless pipe elbows
DE1289017B (de) * 1963-10-03 1969-02-13 Lodge And Shipley Company Zentrifugalkraftaufnahme eines waehrend des Betriebs radial einstellbaren Traegers fuer ein Drueckwerkzeug
US3340713A (en) * 1965-02-11 1967-09-12 James E Webb Spin forming tubular elbows
FR1540166A (fr) * 1967-10-09 1968-09-20 Zentrale Entwicklung Konstrukt Dispositif de pressage de pièces étirées en longueur à symétrie de révolution
DE2714782A1 (de) * 1977-04-02 1978-10-05 Bertrams Ag Verfahren und vorrichtung zur herstellung von rohrkruemmern

Also Published As

Publication number Publication date
FI792882A (fi) 1980-04-12
IE791923L (en) 1980-04-11
DD146402A5 (de) 1981-02-11
IE49621B1 (en) 1985-11-13
EP0010057B1 (fr) 1983-01-19
DE2964544D1 (en) 1983-02-24
NO148665C (no) 1983-11-23
NO793232L (no) 1980-04-14
PT70295A (de) 1979-11-01
NO148665B (no) 1983-08-15
CH634238A5 (de) 1983-01-31
PL218848A1 (fr) 1980-06-16
YU231279A (en) 1984-04-30
HU178179B (en) 1982-03-28
ES484879A1 (es) 1980-04-01
EP0010057A1 (fr) 1980-04-16
CA1123381A (fr) 1982-05-11

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