NO148665C - Fremgangsmaate og maskin til trykkvalsing av tynnveggete metallroerbend. - Google Patents

Fremgangsmaate og maskin til trykkvalsing av tynnveggete metallroerbend.

Info

Publication number
NO148665C
NO148665C NO793232A NO793232A NO148665C NO 148665 C NO148665 C NO 148665C NO 793232 A NO793232 A NO 793232A NO 793232 A NO793232 A NO 793232A NO 148665 C NO148665 C NO 148665C
Authority
NO
Norway
Prior art keywords
procedure
machine
thin wall
pressure rolling
rubbers
Prior art date
Application number
NO793232A
Other languages
English (en)
Other versions
NO793232L (no
NO148665B (no
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 NO793232L publication Critical patent/NO793232L/no
Publication of NO148665B publication Critical patent/NO148665B/no
Publication of NO148665C publication Critical patent/NO148665C/no

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
NO793232A 1978-10-11 1979-10-09 Fremgangsmaate og maskin til trykkvalsing av tynnveggete metallroerbend. NO148665C (no)

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 (3)

Publication Number Publication Date
NO793232L NO793232L (no) 1980-04-14
NO148665B NO148665B (no) 1983-08-15
NO148665C true NO148665C (no) 1983-11-23

Family

ID=4364244

Family Applications (1)

Application Number Title Priority Date Filing Date
NO793232A NO148665C (no) 1978-10-11 1979-10-09 Fremgangsmaate og maskin til trykkvalsing av tynnveggete metallroerbend.

Country Status (14)

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

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
CS216685B2 (en) 1982-11-26
IE791923L (en) 1980-04-11
DD146402A5 (de) 1981-02-11
IE49621B1 (en) 1985-11-13
EP0010057B1 (de) 1983-01-19
DE2964544D1 (en) 1983-02-24
NO793232L (no) 1980-04-14
PT70295A (de) 1979-11-01
NO148665B (no) 1983-08-15
CH634238A5 (de) 1983-01-31
PL218848A1 (no) 1980-06-16
YU231279A (en) 1984-04-30
HU178179B (en) 1982-03-28
ES484879A1 (es) 1980-04-01
EP0010057A1 (de) 1980-04-16
CA1123381A (en) 1982-05-11

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