| Document |
Document Title |
|
WO/1994/004791A1 |
An apparatus for cutting and breaking rock is described. The apparatus comprises a cutting disc (13) having an attached wedge (11). Cutting disc (13) can be rotated by shaft (16) to cut a groove into rock. After a pre-determined distance...
|
|
WO/1993/024709A1 |
Described is an excavator, clearance vehicle or similar vehicle with a carriage (2) or chassis including a driver's cabin (1), with a preferably multi-element jib (3) hinged to the carriage (2) or chassis and with a shovel (4) hinged to ...
|
|
WO/1993/024708A1 |
The invention relates to an apparatus for drilling and maintaining holes in golf courses. It is built onto a mini-tractor with the drilling unit itself suspended in a hydraulic hoist for moving up and down between a raised and a lowered ...
|
|
WO/1993/019253A1 |
A cutting shield for digging open trenches in the ground has at least three superimposed sheeting elements that are movable with respect to each other in the longitudinal direction and that support the side walls (2) of the trench. Each ...
|
|
WO/1993/016911A1 |
An apparatus and method for laying conduit within a trench, using a separable boxlike structure (12) with a fill bin compartment (34) for receiving and dispensing fill material and a conduit laying compartment (38). The boxlike structure...
|
|
WO/1993/016945A1 |
In order that the novel conveyor belt bridge (5) can be loaded by a linearly moving mining or working device with a digger delivering in the direction of travel both for upward cutting and cutting below grade and can reach from the plane...
|
|
WO/1993/013344A1 |
The invention relates to an elongated housing (1) intended to withstand an internal pressure which may exceed 10 bars and forming a tubular sealed space (A) having a truncated cross-section, comprising a lower portion formed of a rigid c...
|
|
WO/1993/012366A1 |
A method and an apparatus to steer and to observe the advancement of tubes (5) that have to be driven into the soil, in which method to the front of the first tube a soil cutting and essentially knifelike arm (1) is fastened, which extru...
|
|
WO/1993/011309A1 |
An apparatus (102) assists an earthmoving vehicle (104) in the fracture of material (106). The apparatus (102) includes a ripping structure (108) having at least one ripper (112) and one electrode (130). The apparatus (102) generates ele...
|
|
WO/1993/006311A1 |
Excavation apparatus (10) is provided which may be assembled about a pole for excavating about the base of the pole. The excavation apparatus (10) has a boring cylinder assembly (11) rotatably supported by a mounting assembly (14) for ax...
|
|
WO/1993/005242A2 |
A slitting or tenching tool is described comprising a blade adapted to be lowered vertically into the soil and pulled therethrough so as to define a slit or trench having a depth determined by the mean depth to which the blade penetrates...
|
|
WO/1993/005243A2 |
A dredging apparatus comprises a submersible pump (13), mounted on a crane jib (12). The pump carries an emulsion of water and solids to the surface and passes it through a liquidiser unit (90) to reduce the particle size. A velocity red...
|
|
WO/1993/000789A1 |
A ditch excavator provided with a caterpillar mounting, the excavator comprising an excavating unit (7) secured to the mounting and supporting legs (8) fastened to the mounting to support the ditch excavator during the digging. The ditch...
|
|
WO/1993/001392A1 |
Proposed is the use of a wheel-shaped rotary cutter for the continuous working of hard mineral-rock beds with a cylinder crushing resistance of greater than or equal to 20 MPa, the cutter being fitted both round its circumference and at ...
|
|
WO/1993/000483A1 |
An apparatus for cutting soil and constructing containment barriers, such as for constructing a subsurface containment walls or bassins for contaminated material, comprises a beam (4) pivoted to a support (6) on the surface for abutting ...
|
|
WO/1992/021826A1 |
In the ground (T), preceding holes (3) are dug and also a portion between adjoining preceding holes (3) is excavated by use of a wire saw device (9) to thereby form a sheet insertion groove (4), into which a cut-off sheet (5) is inserted...
|
|
WO/1992/020871A1 |
A multipurpose utility vessel (1) is provided which is capable of performing the multiple functions of removing oil spills, patching ships at sea to prevent oil spills, fire fighting, dredging, functioning as a pumping station, lifeboat ...
|
|
WO/1992/019820A1 |
Ground conservation apparatus is provided for alleviating soil erosion by flowing ground water. The conservation apparatus is in the form of an elongate strip of water resistant barrier material which may be arranged in an upstanding att...
|
|
WO/1992/018701A1 |
The disclosure relates to an underwater excavation apparatus comprising a tube (10) in which a propeller (18) is mounted for rotation. The tips of the propeller blades are formed with jets (30) supplied from a high pressure water supply ...
|
|
WO/1992/018707A2 |
Proc�d� permettant de sortir une couche de mati�re d'une masse d'eau par dragage. On divise la masse d'eau en sections et, avant de draguer l'une des sections, on la s�pare des autres � l'aide d'�crans (4) s'�tendant vers l...
|
|
WO/1992/018698A1 |
An arrangement for cutting of roadsides is arranged to be conveyed by a vehicle, which vehicle is movable on a roadway in a chosen direction of travel. The arrangement comprises a unit which is adjustable into different positions relativ...
|
|
WO/1992/012615A1 |
The invention relates to agriculture. A method for soil cultivation consists in loosening the soil by means of a pulse effect on its surface from outside with shock waves and with a jet of combustion mixture detonation products. A device...
|
|
WO/1992/011417A1 |
Shim pack assemblies are useful for adjusting and positioning a guide relative to a moveable member. When adjustment is needed, shim plates are added or removed to move the guide relative to the member. The subject self-contained shim pa...
|
|
WO/1992/008011A1 |
A railroad maintenance device distributes, regulates and reclaims ballast along a railway road bed. The device includes one or more hopper cars for transporting an depositing ballast, a regulating car (18) including a track regulator (72...
|
|
WO/1992/006250A1 |
A vehicle for cleaning the aggregate material in a French drain or trench has a chassis (10) supporting tracks (14) for moving the vehicle along the drain or trench. An excavating conveyor (20) at the rear of the vehicle lifts the aggreg...
|
|
WO/1991/019861A1 |
A bucket wheel has a conical supporting body constructed as an inner shell (3) rotatably mounted on the bucket wheel axis and a device which co-operates with the supporting body to accomodate the buckets on the outer rim of the bucket wh...
|
|
WO/1991/018715A1 |
Impact rippers are useful for transmitting high impact blows to a hard material for fracturing the material. When linear reciprocating rams are used, a mounting arrangement which will withstand high compressive forces and still allow the...
|
|
WO/1991/019076A1 |
Impact rippers are useful for transmitting high impact blows to a hard material for fracturing the material. When a linear reciprocating ram is used a mounting arrangement which maintains the ram in a neutral position, when no force is a...
|
|
WO/1991/016507A1 |
When a ripper assembly incorporates an adjustable pitch control and has a push block, the visibility of the ripper tip by the operator is many times limited or totally lost. In this subject arrangement, a push block (52) is integral with...
|
|
WO/1991/014834A1 |
A method and apparatus for excavating cohesive material comprises directing a jet of fluid (12), for example water, at a cutting face (13) of the material and along spaced apart tracks to cut spaced apart slots and thereby to create a ke...
|
|
WO/1991/014836A1 |
A rotary rockwheel assembly (1) is provided for cutting a narrow trench in the ground when driven along the ground by a vehicle. The assembly (1) comprising a support frame (14), ground-engaging skids (17) on the support frame (14) permi...
|
|
WO/1991/011563A1 |
First and second assemblies (18 and 30) respectively having each of a pair of plate-shaped retaining means (24 and 26) are alternately moved forwardly by a driving means (22). During this movement, ground (14) is dug to form a groove (16...
|
|
WO/1991/011564A1 |
Emplacement of foraminous piping in non-cohesive subsoil (figs. 1 to 20; and figs. 21 to 28). Foraminous piping (20, 120, 220, 330, 420, 520, 620, 720, 820, 920; and 1040) is positioned along an underwater route, and fluid is directed to...
|
|
WO/1991/010017A1 |
A method of automatic control over an impact ripper to be mounted on the rear part of construction machines such as a bulldozer for digging hard soil layer, which makes it possible to reduce fatigue of the operator, improve operability i...
|
|
WO/1991/006744A1 |
Impact rippers are useful, for example, in fracturing rock and other hard material which is to be excavated. Known systems using structures which mount the impact hammer and the linear ram within a single housing transmit vibrations into...
|
|
WO/1991/005141A1 |
A method provided with a working bit (1) for removing drill waste from drilling apparatus driving a tunnel in soil or rock, by means of which drill waste is conveyed by compressed air or water through openings (2) in the drill bit (1) an...
|
|
WO/1991/005138A1 |
A method for controlling the forward drive of tunnel drilling apparatus in soil or rock, by means of which forward drive of the entire apparatus is effected through pushing by a power unit (72) and wherein the driving force of the power ...
|
|
WO/1991/005140A1 |
A method provided with one working tool for control of drilling apparatus in driving a tunnel in rock, wherein the control is effected through exploitation of the force of gravity with respect to a line determined by two supporting point...
|
|
WO/1991/003607A1 |
The plough comprises a carrying frame (1) capable of being attached to a tractor. The carrying frame (1) is oriented in a vertical plane and is inclined in the direction of movement of the plough. On the carrying frame are mounted ground...
|
|
WO/1991/002126A1 |
The present invention relates to a multi-purpose device fitted on the front of a machine for building backfill for roads and the like, comprising a blade (11) for pushing the materials; said blade (11) consists of two parts, lower and up...
|
|
WO/1991/000392A1 |
The invention relates to a multi-functional finishing and levelling machine which includes a rocking hopper (11) into which various materials are poured which flow in the opposite direction to that of the finishing and levelling operatio...
|
|
WO/1990/012928A1 |
An apparatus (10) for preventing sedimentation buildup in waterways having a current, the apparatus being submergible at a location proximate the edge of the waterway and adapted to produce a scour pattern of predetermined configuration....
|
|
WO/1990/010379A1 |
Method and apparatus for forming spot mounds used in assisting the germination and growth of tree seedlings in reforestation. A crawler (11) moves forwardly while a digging blade (19) connected to a frame (13) is lowered into the soil in...
|
|
WO/1990/010756A1 |
Impact buckets are useful, for example, in fracturing rock and other hard material which is to be excavated. Known systems using vibrating mechanisms which are mechanically coupled to a cutting edge assembly do not produce forces high en...
|
|
WO/1990/010115A1 |
An earthworking apparatus comprising: an elongate support means (10); at least two rotatable, spaced-apart digging members (12) mounted at one end of said support means (10); drive attachment means (11) adjacent to the other end of said ...
|
|
WO/1990/009489A1 |
A caterpillar-driven excavating machine comprising an arrangement (9) manoeuvreably mounted on the under-carriage (4) and comprising a working tool (10), preferably a gripping tool (10), intended to grip around a post, and a control unit...
|
|
WO/1990/008857A1 |
Cutting apparatus is described which has teeth (20) mounted on a carrier such as an endless belt (21) or chain for advancement through material to be cut. The cutting apparatus (17) includes a tooth mounting assembly (19) which is suppor...
|
|
WO/1990/008856A1 |
Propulsion apparatus (10) is disclosed for urging a trenching arm (12) forward against the advancing face of an elongate trench being dug by the trenching arm. The propulsion apparatus (10) includes a propulsion member (22) which is enga...
|
|
WO/1990/007629A2 |
Un dispositif pour creuser des galeries dans des exploitations minieres souterraines comprend un mécanisme de roulement, un chargeur à benne frontale équipé le cas échéant de marteaux de démolition et un convoyeur rotatif sans fin...
|
|
WO/1990/004068A1 |
Cutter for digging an opening into the ground and comprising a rigid support (1) and a socket (2) arranged at the end of the support. The socket is provided with a point (3) having a flared base and being connected to first means which, ...
|
