GB1418944A - Rotary cutting tool - Google Patents
Rotary cutting toolInfo
- Publication number
- GB1418944A GB1418944A GB3105273A GB3105273A GB1418944A GB 1418944 A GB1418944 A GB 1418944A GB 3105273 A GB3105273 A GB 3105273A GB 3105273 A GB3105273 A GB 3105273A GB 1418944 A GB1418944 A GB 1418944A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bits
- tool
- sets
- cut
- ratio
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
- E21D9/104—Cutting tool fixtures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type
Abstract
1418944 Mineral-mining, rotary cutter tools VEREINIGTE OSTERREICHISCHE EISEN-UND STAHLWERKE-ALPINE MONTAN AG 29 June 1973 [30 June 1972] 31052/ 73 Heading E1F The bit arrangement of a mineral-mining rotary cutter tool, which is mounted for rotation about an axis parallel to a face being cut by the tool and simultaneous feed along said axis with the ratio between the volocities of rotation and feed of the tool being maintained constant, is such that the bits are arranged in sets of equal numbers in axially spaced planes, the bits of each set are on a common circumference, the circumferences of the sets diminish axially towards the foreward end of the tool, the bits of successive sets are spirally arranged relative to one another whereby when the above referred to ratio is maintained constant the bits of the larger diameter set will follow into the same grooves as cut by the adjacent smaller diameter set, and the cutting faces of the bits are arranged normal to their paths of displacement resultant from said ratio of velocities. Preferably the product of the width of the cutting faces of the cutter bit of a set and the number of bits in the set does not exceed the axial displacement of the tool during one revolution thereof. Also the axial distance between the bits of two adjacent sets may be equal to the product of the tangent of the angle of inclination of the bits of the larger diameter set and the length of arc described by the end of said bits over the angle by which said bits lay behind the bits of the smaller diameter set which respectively precede said bits in the grooves being cut.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT563572A AT323691B (en) | 1972-06-30 | 1972-06-30 | SHEARING DEVICE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1418944A true GB1418944A (en) | 1975-12-24 |
Family
ID=3577952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3105273A Expired GB1418944A (en) | 1972-06-30 | 1973-06-29 | Rotary cutting tool |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS545222B2 (en) |
| AR (1) | AR195122A1 (en) |
| AT (1) | AT323691B (en) |
| BE (1) | BE801768A (en) |
| BG (1) | BG30028A3 (en) |
| BR (1) | BR7304851D0 (en) |
| CA (1) | CA1003863A (en) |
| CS (1) | CS186252B2 (en) |
| DD (1) | DD104596A5 (en) |
| DE (1) | DE2332470C3 (en) |
| ES (1) | ES416344A1 (en) |
| FR (1) | FR2191015B1 (en) |
| GB (1) | GB1418944A (en) |
| HU (1) | HU170318B (en) |
| PL (1) | PL89339B1 (en) |
| RO (1) | RO67459A (en) |
| SE (1) | SE404060B (en) |
| ZA (1) | ZA734362B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2229473A (en) * | 1989-03-08 | 1990-09-26 | Matt Norbert Senger | Planing machine cutter |
| CN113550758A (en) * | 2021-08-03 | 2021-10-26 | 广州市市政集团有限公司 | Guide type miniature pipe jacking construction method |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2451286C3 (en) * | 1974-10-29 | 1983-01-20 | Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Cutting roller for tunneling machines |
| DE2746169C2 (en) * | 1977-10-14 | 1984-05-10 | Gesteins- Und Tiefbau Gmbh, 4350 Recklinghausen | Longitudinal cutting head for a partial cut tunneling machine, especially for tunneling in mining |
| FR2485294A1 (en) * | 1980-06-23 | 1981-12-24 | Trt Telecom Radio Electr | FREQUENCY DEMODULATOR USING A VARIABLE DELAY CIRCUIT WITH RECEIVED FREQUENCY |
| JPS6124450Y2 (en) * | 1981-03-16 | 1986-07-22 | ||
| JPS6388535U (en) * | 1986-11-28 | 1988-06-09 | ||
| AU747836B2 (en) * | 1999-02-25 | 2002-05-23 | Wirth Maschinen- Und Bohrgerate-Fabrik Gmbh | Advancing device for boring sections of roadway, tunnels or similar |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1183372A (en) * | 1957-06-07 | 1959-07-07 | Drill head | |
| US3064958A (en) * | 1960-09-27 | 1962-11-20 | Joy Mfg Co | Drilling, core cutting and dislodging head for mining machines |
| GB1074046A (en) * | 1964-07-08 | 1967-06-28 | Gorlovsky Mashinostroiteljny Z | Cutting-loading drum unit for continuous mining and heading machines |
| FR1427180A (en) * | 1964-12-22 | 1966-02-04 | Lorraine Houilleres | Boring method and device allowing its implementation |
| US3389758A (en) * | 1965-10-20 | 1968-06-25 | Buhler Markus | Deep-boring apparatus incorporating an electrical boring unit |
-
1972
- 1972-06-30 AT AT563572A patent/AT323691B/en not_active IP Right Cessation
-
1973
- 1973-06-15 HU HUOE196A patent/HU170318B/hu unknown
- 1973-06-26 ZA ZA734362A patent/ZA734362B/en unknown
- 1973-06-26 DE DE2332470A patent/DE2332470C3/en not_active Expired
- 1973-06-26 BG BG7323990A patent/BG30028A3/en unknown
- 1973-06-27 ES ES416344A patent/ES416344A1/en not_active Expired
- 1973-06-28 CS CS7300004681A patent/CS186252B2/en unknown
- 1973-06-28 AR AR248812A patent/AR195122A1/en active
- 1973-06-28 DD DD171910A patent/DD104596A5/xx unknown
- 1973-06-28 SE SE7309081A patent/SE404060B/en unknown
- 1973-06-28 PL PL1973163673A patent/PL89339B1/pl unknown
- 1973-06-29 FR FR7324021A patent/FR2191015B1/fr not_active Expired
- 1973-06-29 BE BE6044207A patent/BE801768A/en unknown
- 1973-06-29 GB GB3105273A patent/GB1418944A/en not_active Expired
- 1973-06-29 CA CA175,333A patent/CA1003863A/en not_active Expired
- 1973-06-29 BR BR4851/73A patent/BR7304851D0/en unknown
- 1973-06-29 JP JP7353273A patent/JPS545222B2/ja not_active Expired
- 1973-06-30 RO RO7375289A patent/RO67459A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2229473A (en) * | 1989-03-08 | 1990-09-26 | Matt Norbert Senger | Planing machine cutter |
| CN113550758A (en) * | 2021-08-03 | 2021-10-26 | 广州市市政集团有限公司 | Guide type miniature pipe jacking construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| RO67459A (en) | 1980-03-15 |
| ZA734362B (en) | 1974-06-26 |
| FR2191015B1 (en) | 1977-02-18 |
| DE2332470A1 (en) | 1974-03-07 |
| BE801768A (en) | 1973-10-15 |
| FR2191015A1 (en) | 1974-02-01 |
| JPS545222B2 (en) | 1979-03-14 |
| JPS4964201A (en) | 1974-06-21 |
| HU170318B (en) | 1977-05-28 |
| AU5752873A (en) | 1975-01-09 |
| BG30028A3 (en) | 1981-03-16 |
| DE2332470C3 (en) | 1984-05-10 |
| AR195122A1 (en) | 1973-09-10 |
| CS186252B2 (en) | 1978-11-30 |
| SE404060B (en) | 1978-09-18 |
| ES416344A1 (en) | 1976-02-16 |
| CA1003863A (en) | 1977-01-18 |
| DD104596A5 (en) | 1974-03-12 |
| DE2332470B2 (en) | 1977-03-10 |
| AT323691B (en) | 1975-07-25 |
| PL89339B1 (en) | 1976-11-30 |
| BR7304851D0 (en) | 1974-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |