DD236963A5 - Bodenmeissel fuer kohlenhobel - Google Patents
Bodenmeissel fuer kohlenhobel Download PDFInfo
- Publication number
- DD236963A5 DD236963A5 DD85280444A DD28044485A DD236963A5 DD 236963 A5 DD236963 A5 DD 236963A5 DD 85280444 A DD85280444 A DD 85280444A DD 28044485 A DD28044485 A DD 28044485A DD 236963 A5 DD236963 A5 DD 236963A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- hard metal
- metal pin
- pin
- plates
- cutting edge
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052799 carbon Inorganic materials 0.000 title abstract 3
- 239000002184 metal Substances 0.000 claims abstract description 67
- 239000003245 coal Substances 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims abstract description 12
- 230000001154 acute effect Effects 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract 1
- 238000013138 pruning Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
- E21C27/44—Planing knives
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
- E21C35/1833—Multiple inserts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
- E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape
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)
- Earth Drilling (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Knives (AREA)
- Golf Clubs (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843433277 DE3433277A1 (de) | 1984-09-11 | 1984-09-11 | Bodenmeissel fuer kohlenhobel |
Publications (1)
Publication Number | Publication Date |
---|---|
DD236963A5 true DD236963A5 (de) | 1986-06-25 |
Family
ID=6245094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD85280444A DD236963A5 (de) | 1984-09-11 | 1985-09-09 | Bodenmeissel fuer kohlenhobel |
Country Status (6)
Country | Link |
---|---|
US (1) | US4637658A (fr) |
BE (1) | BE903208A (fr) |
DD (1) | DD236963A5 (fr) |
DE (1) | DE3433277A1 (fr) |
FR (1) | FR2570121B1 (fr) |
PL (1) | PL255303A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5829540A (en) * | 1993-07-28 | 1998-11-03 | Sandvik Rock Tools, Inc. | Mine roof drill bit and cutting insert therefor |
AT407658B (de) * | 1998-11-04 | 2001-05-25 | Tamrock Voest Alpine Bergtech | Streckenvortriebs- oder gewinnungsmaschine |
US11939869B2 (en) * | 2020-09-11 | 2024-03-26 | Carriere Industrial Supply Limited | Mineral bit and cutting tip therefor |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB203039A (en) * | 1922-05-30 | 1923-08-30 | Frederick Victor William Swant | Improvements in percussive rock drilling tools with renewable cutters |
FR1228288A (fr) * | 1959-03-11 | 1960-08-29 | Charbonnages De France | Pic de havage à mise rapportée |
DE1248591B (de) * | 1966-04-30 | 1967-08-31 | Poudres Metalliques Et Des All | Dreikant-Bodenmeissel fuer Kohlenhobel oder dergleichen Gewinnungsmaschinen |
FR1528599A (fr) * | 1966-05-25 | 1968-06-14 | Poudres Metalliques Alliages Speciaux Ugine Carbone | Couteaux pour machines d'extraction minière |
BE795710A (fr) * | 1972-09-14 | 1973-06-18 | Gewerk Eisenhuette Westfalia | Pic, en particulier pour rabot a charbon ou engin equivalent |
DE7506653U (de) * | 1975-03-04 | 1975-06-26 | Gewerkschaft Eisenhuette Westfalia | BodenmeiBel für Kohlenhobel |
GB1569403A (en) * | 1977-03-07 | 1980-06-11 | Hall & Pickles Ltd | Mineral cutting picks |
DE3005110C2 (de) * | 1980-02-12 | 1985-09-26 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Bodenmeißel für Kohlenhobel |
DE3114749C2 (de) * | 1981-04-11 | 1983-10-27 | Christensen, Inc., 84115 Salt Lake City, Utah | Keilförmiges Schneidglied für Drehbohrmeißel zum Tiefbohren |
DE3315624C1 (de) * | 1983-04-29 | 1984-11-15 | Fa. Astrid Komotzki, 4600 Dortmund | Meißelkörper für Kohlenhobel |
-
1984
- 1984-09-11 DE DE19843433277 patent/DE3433277A1/de not_active Withdrawn
-
1985
- 1985-08-02 US US06/761,852 patent/US4637658A/en not_active Expired - Fee Related
- 1985-09-09 DD DD85280444A patent/DD236963A5/de unknown
- 1985-09-09 FR FR8513328A patent/FR2570121B1/fr not_active Expired
- 1985-09-09 PL PL25530385A patent/PL255303A1/xx unknown
- 1985-09-10 BE BE0/215564A patent/BE903208A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2570121A1 (fr) | 1986-03-14 |
DE3433277A1 (de) | 1986-03-20 |
US4637658A (en) | 1987-01-20 |
FR2570121B1 (fr) | 1987-10-30 |
PL255303A1 (en) | 1986-07-15 |
BE903208A (fr) | 1985-12-31 |
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