FR2378578A1 - Piece de laminage en metal dur - Google Patents
Piece de laminage en metal durInfo
- Publication number
- FR2378578A1 FR2378578A1 FR7800421A FR7800421A FR2378578A1 FR 2378578 A1 FR2378578 A1 FR 2378578A1 FR 7800421 A FR7800421 A FR 7800421A FR 7800421 A FR7800421 A FR 7800421A FR 2378578 A1 FR2378578 A1 FR 2378578A1
- Authority
- FR
- France
- Prior art keywords
- hard metal
- grooves
- mfr
- metal roll
- mfg
- 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
- 229910000831 Steel Inorganic materials 0.000 title abstract 3
- 229910052751 metal Inorganic materials 0.000 title abstract 3
- 239000002184 metal Substances 0.000 title abstract 3
- 239000010959 steel Substances 0.000 title abstract 3
- 229910017052 cobalt Inorganic materials 0.000 title abstract 2
- 239000010941 cobalt Substances 0.000 title abstract 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title abstract 2
- 238000003754 machining Methods 0.000 title 1
- 238000005096 rolling process Methods 0.000 abstract 4
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 abstract 1
- 229910003468 tantalcarbide Inorganic materials 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 abstract 1
- 210000003462 vein Anatomy 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
- B21B1/163—Rolling or cold-forming of concrete reinforcement bars or wire ; Rolls therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2703261A DE2703261B2 (de) | 1977-01-27 | 1977-01-27 | Walzenkörper aus Hartmetall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2378578A1 true FR2378578A1 (fr) | 1978-08-25 |
| FR2378578B1 FR2378578B1 (ja) | 1981-07-03 |
Family
ID=5999647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7800421A Granted FR2378578A1 (fr) | 1977-01-27 | 1978-01-09 | Piece de laminage en metal dur |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2703261B2 (ja) |
| FR (1) | FR2378578A1 (ja) |
| IT (1) | IT1111158B (ja) |
| SE (1) | SE443807B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0788847A1 (en) * | 1996-02-07 | 1997-08-13 | Alfa Acciai S.p.A. | Steel rod used in the production of electrically welded mesh |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1119850A (en) * | 1978-12-04 | 1982-03-16 | William M. Stoll | Roll for hot forming steel rod |
| US4698884A (en) * | 1983-03-28 | 1987-10-13 | Kennametal Inc. | Roll for hot forming steel rod |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE941869C (de) * | 1939-05-27 | 1956-04-19 | Eisen & Stahlind Ag | Verwendung von Hartmetallegierungen |
| DE1019470B (de) * | 1953-12-16 | 1957-11-14 | Eisen & Stahlind Ag | Verwendung einer Hartmetallegierung |
| US3512962A (en) * | 1966-01-03 | 1970-05-19 | Iit Res Inst | Cobalt-tungsten carbide alloy and process |
| US3647401A (en) * | 1969-06-04 | 1972-03-07 | Du Pont | Anisodimensional tungsten carbide platelets bonded with cobalt |
-
1977
- 1977-01-27 DE DE2703261A patent/DE2703261B2/de not_active Ceased
-
1978
- 1978-01-09 FR FR7800421A patent/FR2378578A1/fr active Granted
- 1978-01-16 SE SE7800461A patent/SE443807B/sv not_active IP Right Cessation
- 1978-01-26 IT IT19613/78A patent/IT1111158B/it active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE941869C (de) * | 1939-05-27 | 1956-04-19 | Eisen & Stahlind Ag | Verwendung von Hartmetallegierungen |
| DE1019470B (de) * | 1953-12-16 | 1957-11-14 | Eisen & Stahlind Ag | Verwendung einer Hartmetallegierung |
| US3512962A (en) * | 1966-01-03 | 1970-05-19 | Iit Res Inst | Cobalt-tungsten carbide alloy and process |
| US3647401A (en) * | 1969-06-04 | 1972-03-07 | Du Pont | Anisodimensional tungsten carbide platelets bonded with cobalt |
Non-Patent Citations (2)
| Title |
|---|
| NV110/76 * |
| NV865/75 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0788847A1 (en) * | 1996-02-07 | 1997-08-13 | Alfa Acciai S.p.A. | Steel rod used in the production of electrically welded mesh |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2378578B1 (ja) | 1981-07-03 |
| DE2703261A1 (de) | 1978-08-03 |
| DE2703261B2 (de) | 1978-11-16 |
| IT7819613A0 (it) | 1978-01-26 |
| IT1111158B (it) | 1986-01-13 |
| SE7800461L (sv) | 1978-07-28 |
| SE443807B (sv) | 1986-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |