SE443807B - Valskropp av hardmetall pa basis av volframkarbid och kobolt - Google Patents
Valskropp av hardmetall pa basis av volframkarbid och koboltInfo
- Publication number
- SE443807B SE443807B SE7800461A SE7800461A SE443807B SE 443807 B SE443807 B SE 443807B SE 7800461 A SE7800461 A SE 7800461A SE 7800461 A SE7800461 A SE 7800461A SE 443807 B SE443807 B SE 443807B
- Authority
- SE
- Sweden
- Prior art keywords
- carbide
- cobalt
- carbon
- weight
- veins
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title description 3
- 229910052751 metal Inorganic materials 0.000 title description 3
- 239000002184 metal Substances 0.000 title description 3
- 229910052799 carbon Inorganic materials 0.000 title 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 13
- 239000010941 cobalt Substances 0.000 claims description 13
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 13
- 210000003462 vein Anatomy 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 238000000227 grinding Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 4
- 238000005098 hot rolling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910003468 tantalcarbide Inorganic materials 0.000 description 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)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (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 |
|---|---|
| SE7800461L SE7800461L (sv) | 1978-07-28 |
| SE443807B true SE443807B (sv) | 1986-03-10 |
Family
ID=5999647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7800461A SE443807B (sv) | 1977-01-27 | 1978-01-16 | Valskropp av hardmetall pa basis av volframkarbid och kobolt |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2703261B2 (enrdf_load_html_response) |
| FR (1) | FR2378578A1 (enrdf_load_html_response) |
| IT (1) | IT1111158B (enrdf_load_html_response) |
| SE (1) | SE443807B (enrdf_load_html_response) |
Families Citing this family (3)
| 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 |
| IT1282011B1 (it) * | 1996-02-07 | 1998-03-06 | Alfa Acciai S R L | Procedimento per la produzione di reti in acciaio elettrosaldate ad alta duttilita',particolarmente per l'impiego come armature |
Family Cites Families (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
Also Published As
| Publication number | Publication date |
|---|---|
| FR2378578A1 (fr) | 1978-08-25 |
| SE7800461L (sv) | 1978-07-28 |
| IT1111158B (it) | 1986-01-13 |
| DE2703261B2 (de) | 1978-11-16 |
| IT7819613A0 (it) | 1978-01-26 |
| FR2378578B1 (enrdf_load_html_response) | 1981-07-03 |
| DE2703261A1 (de) | 1978-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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