EP0476793A3 - Rolling mill for stretching hollow blanks on a mandril - Google Patents
Rolling mill for stretching hollow blanks on a mandril Download PDFInfo
- Publication number
- EP0476793A3 EP0476793A3 EP19910250236 EP91250236A EP0476793A3 EP 0476793 A3 EP0476793 A3 EP 0476793A3 EP 19910250236 EP19910250236 EP 19910250236 EP 91250236 A EP91250236 A EP 91250236A EP 0476793 A3 EP0476793 A3 EP 0476793A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- mandril
- rolling mill
- hollow blanks
- stretching hollow
- stretching
- 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.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
- B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
- B21B13/12—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process axes being arranged in different planes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/10—Driving arrangements for rolls which have only a low-power drive; Driving arrangements for rolls which receive power from the shaft of another roll
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4030046 | 1990-09-19 | ||
DE4030046 | 1990-09-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0476793A2 EP0476793A2 (en) | 1992-03-25 |
EP0476793A3 true EP0476793A3 (en) | 1992-05-27 |
EP0476793B1 EP0476793B1 (en) | 1995-04-19 |
Family
ID=6414763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91250236A Expired - Lifetime EP0476793B1 (en) | 1990-09-19 | 1991-08-27 | Rolling mill for stretching hollow blanks on a mandril |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0476793B1 (en) |
JP (1) | JPH04231105A (en) |
CZ (1) | CZ281022B6 (en) |
DE (1) | DE59105240D1 (en) |
RU (1) | RU2048936C1 (en) |
SK (1) | SK278793B6 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2614974C1 (en) * | 2015-10-01 | 2017-03-31 | Открытое акционерное общество "Российский научно-исследовательский институт трубной промышленности" (ОАО "РосНИТИ") | Method of continuous rolling and continuous multistand mill for implementation thereof |
CN112570448B (en) * | 2020-11-27 | 2023-04-14 | 中北大学 | Large-scale rectangular section manufacturing equipment with inner rib belt guide rail |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2041937A (en) * | 1934-10-27 | 1936-05-26 | Alfina Immobilien Finanzierung | Tube rolling process |
DE1427915A1 (en) * | 1962-11-29 | 1969-08-14 | Kocks Gmbh Friedrich | Method and device for manufacturing seamless tubes |
DE1935351A1 (en) * | 1968-07-12 | 1970-01-15 | Blaw Knox Co | Method and device for the production of seamless metal tubes |
DE3914016C1 (en) * | 1989-04-25 | 1990-07-26 | Mannesmann Ag, 4000 Duesseldorf, De |
-
1991
- 1991-08-27 DE DE59105240T patent/DE59105240D1/en not_active Expired - Fee Related
- 1991-08-27 EP EP91250236A patent/EP0476793B1/en not_active Expired - Lifetime
- 1991-09-18 RU SU915001476A patent/RU2048936C1/en active
- 1991-09-18 JP JP3267016A patent/JPH04231105A/en active Pending
- 1991-09-19 CZ CS912861A patent/CZ281022B6/en not_active IP Right Cessation
- 1991-09-19 SK SK2861-91A patent/SK278793B6/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2041937A (en) * | 1934-10-27 | 1936-05-26 | Alfina Immobilien Finanzierung | Tube rolling process |
DE1427915A1 (en) * | 1962-11-29 | 1969-08-14 | Kocks Gmbh Friedrich | Method and device for manufacturing seamless tubes |
DE1935351A1 (en) * | 1968-07-12 | 1970-01-15 | Blaw Knox Co | Method and device for the production of seamless metal tubes |
DE3914016C1 (en) * | 1989-04-25 | 1990-07-26 | Mannesmann Ag, 4000 Duesseldorf, De |
Also Published As
Publication number | Publication date |
---|---|
EP0476793B1 (en) | 1995-04-19 |
RU2048936C1 (en) | 1995-11-27 |
SK286191A3 (en) | 1996-04-03 |
SK278793B6 (en) | 1998-03-04 |
CZ286191A3 (en) | 1993-02-17 |
DE59105240D1 (en) | 1995-05-24 |
JPH04231105A (en) | 1992-08-20 |
EP0476793A2 (en) | 1992-03-25 |
CZ281022B6 (en) | 1996-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU8698191A (en) | A method for manufacturing a corrugated fin and a shaping roll apparatus therefor | |
AU7971091A (en) | Turret punch press | |
ZA943418B (en) | Roll mill | |
GB2148766B (en) | Apparatus for the lateral transfer of mandrels in a tube rolling mill | |
EP0476793A3 (en) | Rolling mill for stretching hollow blanks on a mandril | |
KR960008870B1 (en) | Rolling mill | |
EP0371946A3 (en) | Method for manufacturing a rolling mill roll | |
EP0416717A3 (en) | Roll stand for a planetary rolling mill | |
GB2244441B (en) | Rolling mill | |
KR920001241Y1 (en) | Rolling machines | |
GB2264251B (en) | Roll forming machine | |
GB2279023B (en) | Rolling mill | |
AU8726591A (en) | Device for a rolling sign | |
GB2238597B (en) | Rolling mill roll | |
GB9002554D0 (en) | Steel mill roll | |
AU8960491A (en) | A punch bag | |
GB2239414B (en) | Pipe rolling process on a plug mill train | |
GB2121337B (en) | Supporting the mandrel back-up bar in a rolling mill | |
EP0523486A3 (en) | Flat die cross rolling mill | |
AU6556494A (en) | Production mandrels and jaws for stretch forming | |
EP0655283A3 (en) | Multiple-stand rolling mill. | |
BG96300A (en) | Machine for folding rolled lamination blanks | |
RU1833225C (en) | Method and device for manufacturing hollow parts from sheet blanks | |
GB9020431D0 (en) | Rolls for rolling mills | |
GB9008159D0 (en) | Rolling mill |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE ES FR IT |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE ES FR IT |
|
17P | Request for examination filed |
Effective date: 19920526 |
|
17Q | First examination report despatched |
Effective date: 19930927 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
ITF | It: translation for a ep patent filed | ||
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE ES FR IT |
|
ET | Fr: translation filed | ||
REF | Corresponds to: |
Ref document number: 59105240 Country of ref document: DE Date of ref document: 19950524 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19950730 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 19970829 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19980720 Year of fee payment: 8 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000428 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20000802 Year of fee payment: 10 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020501 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050827 |