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Document |
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7665234 |
Grader blade with tri-grade insert assembly on the leading edge
A grader blade includes a grader blade body that has a recess in a bottom edge, and a tri-grade insert assembly is received within the recess. The tri-grade insert assembly includes a leading...
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7393061 |
Coal plow cutter
A plow cutter having a cutter foot that includes a cutter shank and a cutter head, the plow cutter including at least one face cutting edge, a plurality of wear-resistant face cutting edge pins...
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6976549 |
Drilling tool
The invention relates to a drilling tool (1), in particular for working concrete, rock, masonry and suchlike materials, having a tool head with cutting body (5) which has at least one front rake...
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6270164 |
Cutting tooth for earthworking
A cutting tooth is fitted in a cutting-tooth holder of an earthworking appliance which has at least one cutter. The cutter is mounted ahead of a cutter-support region, as seen in the cutting...
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5722733 |
Mounting of cutter picks
The invention concerns a cutter pick mounting apparatus which is used to mount a cutter pick (10) to a pick box (12) which is secured to the drum of a mining machine. The cutter pick has a pick...
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5365986 |
Cutter grinder
A rotary cutter grinder that cuts and grinds upon its circumferential surface is well suited for stump grinding and the like applications. The rotary cutter grinder is constituted by a hub portion...
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5319855 |
Mineral cutter tip and pick
A tip (1A, 1B, 1C, or 1D) of hard material has in at least one external surface, a wear line or marker (12) in the form of a rib (13, 16 or 17), or a groove (15) capable of being felt by a thumb or...
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5297853 |
Insert for radial cutter
An insert in accordance with the present invention is attachable to a seat on a mining machine such as a continuous mining machine or a radial longwall. The insert has a cutting face, an inner end,...
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5235961 |
Carbide tip and pick
A carbide mineral cutting tip (5) comprises a solid carbide body having at least one front face (6), at least one top face (9), a bottom, seating face (12), a rear face (20), and side faces (13),...
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5092310 |
Mining pick
Disclosed is a mining pick of the type having a shank and head with the head having an integrally bonded cutting tip, the cutting tip having a metallic substrate which is bonded to the head and...
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4997049 |
Tool insert
A tool insert having a cemented carbide substrate with a recess formed in one end of the substrate and having an abrasive compact located in the recess and bonded to the substrate. The cemented...
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4974649 |
Tooth and holder assembly for a stump cutting machine
A stump cutting machine having an improved tooth and holder assembly for use in removing tree stumps. This machine has a rotatable circular blade supported by journal members. The improved cutting...
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4903609 |
Tamping blade with improved inserts
A tamping pad includes cutout along the length of the leading edge thereof to support at least one wear-resistant insert rigidly positioned therein. The wear-resistant insert comprises a body...
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4883129 |
Bit assembly utilizing carbide insert
Ground engaging bits used in abrasive road grading applications utilizing carbide inserts brazed to the leading face of the steel tip are beneficial on motor grader blades. Commercial road grading...
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4880278 |
Cutting tool for a mining machine
A cutting tool for a mining machine comprises a holding lug for connecting the tool to the mining machine, and a tool component. The tool component comprises a cemented carbide stud having a bottom...
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4819990 |
Floor cutters for mineral winning ploughs
A floor cutter for a plough has a component provided with cutting edges fixed by welding to a main body locating in a holder. The components are connected together with step-like surfaces chamfered...
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4717290 |
Milling tool
This miling tool for underground work consists of a tool body which has a plurality of cutter blades. Each cutter blade has a negative axial rake and an essentially constant negative radial rake....
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4678237 |
Cutter inserts for picks
A stud for use in a mining pick is disclosed which has a tip consisting of a polycrystalline diamond composite and a body having a carrying surface on which the tip is mounted, the carrying surface...
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4674802 |
Multi-insert cutter bit
A cutter bit is disclosed having a shank with a forward working portion and multiple inserts mounted on the forward working portion. One of the inserts is a lead insert facing and projecting...
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4655508 |
Tool component
A tool component is provided which has particular application in the cutting tool of a mining machine for cutting a variety of soft materials such as coal. The tool component has an elongate stud...
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4637658 |
Cutters for use in mineral mining
A floor cutter bit for a coal plough has a body carrying a pair of hard metal plates which define a coal face cutting edge and a floor cutting edge. A hard metal pin locates between the plates and...
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4488608 |
Rotary stone-cutting head with hardened teeth inserts
A rotary stone-cutting head has a body generally centered on and adapted to be rotated in a predetermined direction about a body axis. An array of cutter supports on the body are angularly spaced...
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4360068 |
Furrowing tool
A rotary tool is disclosed which is adapted to be mounted on a machine having power drive means and movable over a field surface to produce furrows therein. The rotary tool comprises bit elements...
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4194790 |
Rock cutting tip inserts
The rock cutting tip insert of a rock cutting tool comprises two layers, the front layer being harder than the backing or base layer by at least one hundred units on the Vickers Hardness scale.
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4143920 |
Mineral cutting pick insert shape
A mineral cutting pick of the type adapted to be traversed relative to a mineral face and having a leading cutting edge and an outer cutting edge incorporated in a hard metal insert mounted in a...
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3888028 |
Digger tooth
A digger tooth having a cutting portion the lateral cross-section of which is defined by two curved surfaces, these being forming the upper and lower tooth surfaces, and varying in profile such...
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3814482 |
CUTTING REMOVAL BIT FOR UNDERCUTTING MACHINE
A cutter bit of the type used in undercutting machines employed in mining has a projection on the side of the shank extending from a position near the shoulder or gage stop to a point near the...
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3606471 |
TRENCHING DEVICES
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3671075 |
CUTTER PICKS
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3355215 |
Oscillating tunneling machine
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3326302 |
Ripper tooth
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3010709 |
Mining cutter bit
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2915290 |
Transverse ellipse tapered shank and tooth for earth working implements
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2828117 |
Cutter bits having reinforcing ribs
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2786664 |
Coal cutting bit having a skewed cutting face
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