Abrégé

A rock bolting system (1) for reinforcing rock surfaces (2) is disclosed. The rock bolting system may comprise a cable bolt (3) for being inserted into a drill hole (4), the cable bolt comprising a helical cable (5), the helical cable comprising a plurality of outer wires (9) wound around a central core wire (10), wherein each of the outer wires has an outer surface (11) having a continuous helical groove (12); and a bonding agent (6) for being injected as grouting material into the drill hole, wherein the bonding agent is an injectable resin.

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits
• E21D 20/02 - Mise en place des boulons d'ancrage avec dispositions pour le scellement

Abrégé

In one aspect there is provided a wing shroud arrangement (30) for mounting to a side wing (21) of a bucket (20) for earth moving equipment (10). The arrangement comprising a first wing shroud (50) having a first groove (53) configured to receive a first portion of a wing leading edge (23) of the wing (21) in a mounted position of the wing shroud arrangement (30), and a second wing shroud (40) having a second groove (43) configured to receive a second portion of the wing leading edge (23) in the mounted position. The first wing shroud (50) is configured to arrest displacement of the second wing shroud (40) at least in a first direction along the wing leading edge (23) in the mounted position.

Classes IPC  ?

• E02F 9/28 - Petites pièces métalliques pour éléments de creusement, p. ex. dents
• E02F 3/40 - PlongeursAuges

Abrégé

A rock plate and anchor assembly (22) comprising a rock plate (24) and a barrel and wedges anchor (26). The barrel and wedges anchor (26) comprising an external barrel (34) and internal cable gripping wedges (38). The barrel (34) having a leading end and a trailing end. The leading end being fixed to the rock plate by a join (62) that fixes the rock plate (24) and the barrel and wedges anchor (22) together in an assembly position. The join (62) providing a resistance load that resists movement of the rock plate (24) relative to the barrel and wedges anchor (26) from the assembly position. The rock plate (24) being movable relative to the barrel and wedges anchor (26) from the assembly position upon an external load being applied to the rock plate (24) that is greater than the resistance load of the join (62) and that is applied in a direction to move the rock plate (24) relative to the barrel and wedges anchor (26).

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits

Abrégé

An anchor (12) for a rock bolt (10). The anchor (12) being connectable to a cable or rod (14) and being expandable between a hole insertion condition and a hole anchor condition. The anchor (12) has at least one gripper (32) that is expandable outwardly from the insertion condition of the anchor (12) to the anchor condition of the anchor (12) for gripping the facing surface of a hole in which the anchor (12) is installed. The gripper (32) comprises a body part (60) and a gripper portion (62), the body part (60) being formed from a hard material and the gripper portion (62) being formed of a material having a greater hardness than the body part (60). The gripper portion (62) has an outer facing gripping surface (66) that projects beyond the body part (60) in the direction of outward expansion of the gripper (32).

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits

Abrégé

A rock bolt (40) comprising: an elongate, generally circular tube (41), the tube having a leading end (13) and a trailing end (42), an expander mechanism (15) disposed within the tube in the region of the leading end (13), an elongate tendon (44) disposed longitudinally within the tube (41) and in connection at or towards a first end of the tendon (44) with the expander mechanism (15) and in connection at or towards a second and opposite end of the tendon (44) with an anchor arrangement (46) positioned at the trailing end (42) of the tube (41), the tendon (44) having a projection (56) that extends radially and that is positioned between the expander mechanism (15) and the anchor arrangement (46) and the tube (41) having a catch (58), the catch (58) having an opening (62) through which the tendon (44) extends and the projection (56) having a radial dimension too great to pass through the opening (62), wherein the catch (58) is fixed in position within the tube (41) between the tendon projection (56) and the trailing end (42) of the tube (41).

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits
• F16B 13/00 - Chevilles ou autres dispositifs fixés à des parois ou autres emplacements par insertion dans des trous préparés à cet effet
• F16B 13/06 - Chevilles ou autres dispositifs fixés à des parois ou autres emplacements par insertion dans des trous préparés à cet effet avec parties s'agrippant dans le trou ou derrière la paroi après insertion et combinées avec un manchon extensible

Abrégé

A rock bolt (10) comprising: an elongate, generally circular tube (12), the tube (12) having a leading end (14) and a trailing end (16), an expander mechanism (18) disposed within the tube (12) in the region of the leading end (14), an elongate tendon (28) disposed longitudinally within the tube (12) and in connection at or towards a first end (26) of the tendon (28) with the expander mechanism (18) and in connection at or towards a second (38) and opposite end of the tendon (28) with an anchor arrangement (30) positioned at the trailing end (16) of the tube (12), the tendon (28) being actuatable to actuate the expander mechanism (18) and to remain connected between the expander mechanism (18) and the anchor arrangement (30) while the expander mechanism (18) is actuated, wherein the anchor arrangement (30) includes a couple (44, 54, 66) which, under tensile loading of the tendon (28), has a first mode of operation that allows movement of the anchor arrangement (30) axially away from the trailing end (16) of the tube (12) and enabling further expansion of the expander mechanism (18), and a second mode of operation that couples the anchor arrangement (30) to the tube (12) preventing further movement of the anchor arrangement (30) axially away from the trailing end (16) of the tube (12).

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits
• E21D 20/00 - Mise en place des boulons d'ancrage

Abrégé

A rock bolt (10) comprising: an elongate, generally circular tube (12), the tube (12) having a leading end (14) and a trailing end (16), an expander mechanism (17) disposed within the tube (12) in the region of the leading end (14), an elongate tendon (22) disposed longitudinally within the tube (12) and in connection at or towards a first end of the tendon (22) with the expander mechanism (17) and in connection at or towards a second and opposite end of the tendon (22) with an anchor arrangement (43) positioned at the trailing end (16) of the tube (12), the tendon (22) being actuatable to actuate the expander mechanism (17) and to remain connected between the expander mechanism (17) and the anchor arrangement (43) while the expander mechanism (17) is actuated, wherein the tube (12) has an opening (26) in the region of the leading end (14) and the expander mechanism (17) includes first and second cooperating expander elements (18, 20), in which the first expander element (18) is attached to an end of the tendon (22) for movement axially within the tube (12) towards the anchor arrangement (43) upon actuation of the expander mechanism (17) and the second expander element (20) is restrained relative to the tube opening (26), the second expander element (20) being shifted radially through the tube opening (26) as the first expander element (18) is shifted axially within the tube (12) towards the anchor arrangement (43).

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits
• E21D 20/00 - Mise en place des boulons d'ancrage

Abrégé

A sensor apparatus (20) for use in a tunnel (2) having at least one rock bolt 6 installed in rock strata (1) defining the tunnel (2), the sensor apparatus (20) including a housing (26) defining an operating space, at least one sensor device (40) attached to the housing (26) configured for detecting convergence of the tunnel (2) in the vicinity of the sensor device (40), a battery (45) configured to provide power to at least the sensor device (40) characterised in that the sensor apparatus (20) includes a mount (23) that is positioned to a rear of the housing (26) for attachment to the rock bolt (6), and a joint (27) that is adjustable so as to allow for adjustment of an orientation of the sensor device (40) relative to the mount (23).

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits
• E21F 17/18 - Adaptations particulières des dispositifs de signalisation ou d'alarme

Abrégé

A rock bolt installation (10) comprising a hole (14) formed in a rock strata (16) and a cable bolt (12) and a friction bolt (18) disposed within the hole (14). The cable bolt (12) optionally being embedded in grout, cement or resin. The cable bolt (12) extends further into the hole (14) than the friction bolt (18). The cable bolt (12) and the friction bolt (18) are disposed in overlapping relationship within the hole (14) and are connected structurally in the overlap to each other and to the internal wall (15) of the hole (14).

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits
• E21D 20/02 - Mise en place des boulons d'ancrage avec dispositions pour le scellement

Abrégé

A rock bolt for use in rock strata, particularly strata that is weak or unstable. The rock bolt (10) comprises a tube (12) that has a leading end (14) and a trailing end (16) and an expander mechanism (18) disposed within the tube (12) in the region of the leading end (14). An elongate bar (24) is disposed within the tube (12) and is connected at or towards a first end of the bar with the expander mechanism and is connected at or towards a second and opposite end of the bar (28) with an anchor arrangement (26) positioned at the trailing end (16) of the tube (12). The elongate bar (24) can actuate the expander mechanism (18) and remains connected between the expander mechanism (18) and the anchor arrangement (26) while the expander mechanism (18) is actuated. The tube (12) has a displaceable wall section (42) in the region of the leading end (14) which has a hinge end (52) proximal the leading end (14) connecting the displaceable wall section (42) to the tube (12), and side walls (46) extending from the hinge end (52) to an anchor end (48) distal to the leading end (14). The expander mechanism (18) can be actuated to displace the displaceable wall section (42) to rotate about the hinge end (52) to shift the anchor end (48) outwardly from the tube (12).

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits

Abrégé

An earth moving equipment bucket corner (100) comprising a side upright portion (140), attachable to a bucket sidewall (640); a floor portion (150), defining a horizontal plane (170), attachable to a bucket floor lip (650), the floor portion (150) having an upper GET contacting surface (180) and a lower GET contacting surface (190), and a boss (200), having a central horizontal longitudinal axis (210), on the upper GET contacting surface (180) configured to engage a GET (110) wherein the upper GET contacting surface (180) is parallel with the lower GET contacting surface (190). The invention also relates to an earth moving bucket lip protection system (130) comprising the bucket corner (100) as and a GET (110) and to a bucket comprising the earth moving bucket lip protection system (130).

Classes IPC  ?

• E02F 3/40 - PlongeursAuges
• E02F 9/28 - Petites pièces métalliques pour éléments de creusement, p. ex. dents

Abrégé

An apparatus, method and computer program product for: receiving information on an operational context of the work machine, detecting at least one beacon signal provided by a beacon associated with equipment attachable to the work machine, determining, based on the at least one beacon signal, a proximity status of the equipment, the proximity status relating to a proximity of the equipment to the work machine, determining, based on the operational context of the work machine, at least one criterion for the proximity status of the equipment, and determining, in response to determining that the at least one criterion for the proximity status of the equipment is fulfilled, that the equipment is attached to the work machine.

Classes IPC  ?

• G01S 11/02 - Systèmes pour déterminer la distance ou la vitesse sans utiliser la réflexion ou la reradiation utilisant les ondes radioélectriques
• G01S 5/14 - Localisation par coordination de plusieurs déterminations de direction ou de ligne de positionLocalisation par coordination de plusieurs déterminations de distance utilisant les ondes radioélectriques déterminant des distances absolues à partir de plusieurs points espacés d'emplacement connu
• G05B 19/048 - ContrôleSécurité
• G05B 23/02 - Test ou contrôle électrique
• H04B 17/27 - SurveillanceTests de récepteurs pour localiser ou positionner l’émetteur
• H04B 17/318 - Force du signal reçu
• H04W 4/021 - Services concernant des domaines particuliers, p. ex. services de points d’intérêt, services sur place ou géorepères
• H04W 4/80 - Services utilisant la communication de courte portée, p. ex. la communication en champ proche, l'identification par radiofréquence ou la communication à faible consommation d’énergie

Abrégé

A rock bolt (1) comprising a central rod (2), a tubular outer body (5) provided around the central rod (2), and an expansion mechanism (8, 9) for radially expanding the leading portion (6) of the outer body (5), wherein the rock bolt (1) is designed such that the outer body (5) at installation is pulled into a bore of a formation from the leading portion (6) of the outer body (5) using driving force applied via the central rod (2).

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits

Abrégé

A rock bolt (1) comprising a wedge-based expansion mechanism. The expansion mechanism comprises drive wedge (8) acting to expand an intermediate wedge (9) upon tensioning of the rock bolt (1), wherein the intermediate wedge (9) acts to expand a wedge means attached to an outer tube (4) of the rock bolt (1). The use of the intermediate wedge (9) enables greater expansion of the rock bolt (1).

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits

Abrégé

A driver socket (1) for installation of a ground reinforcement bolt (100). The driver socket (1) comprises a cylindrical tube (2) with a longitudinal axis (A), wherein a leading end (10) of the driver socket (1) is adapted to be arranged in connection to the bolt (100) and a trailing end (20) of the driver socket (1) is adapted to be arranged in connection to a driving device, and wherein the driver socket (1) comprises a through hole. The through hole along its axial length has a varying cross-sectional area comprising a first diameter (D1) in a mid-section (3) being smaller than a second diameter (D2) in the leading section (13); and wherein the through hole comprises a transition (11) between the mid-section (3) and the leading section (13) with a frustoconical shape. Also an installation system comprising a ground reinforcement bolt (100) and a driver socket (1).

Classes IPC  ?

• E21D 20/00 - Mise en place des boulons d'ancrage
• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits
• E02D 5/80 - Ancres de fondation

Abrégé

A sensor assembly (1) for attachment to a ground engaging tool (2), wherein the sensor assembly comprises an inner case (3) and an outer case (4), wherein the inner case (3) houses a sensor (5) configured to measure a gap (6) to an adjacent surface, wherein the outer case (4) is provided with a first cavity (7) for receiving the inner case (3) through an opening of the first cavity (7) such that the inner case (3) is movably guided in the outer case (4) for movement into and out of the outer case (4) along a predetermined path of movement (8), and wherein the sensor assembly (1) comprises a biasing means (9) adapted to bias the inner case (3) in a direction out of the outer case (4) along said predetermined path of movement (8).

Classes IPC  ?

• E02F 9/26 - Dispositifs indicateurs
• E02F 9/28 - Petites pièces métalliques pour éléments de creusement, p. ex. dents
• G01B 21/16 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la distance ou le jeu entre des objets espacés

Abrégé

A method of adding at least one wear protection region to a ground moving part comprising the steps of: providing a pre-use 3D image of the part; 3D scanning the geometry of the part after use to provide an after-use 3D image; comparing the after-use 3D image to the pre-use 3D image; calculating and identifying the positions and areas of one or more worn areas; selectively adding at least one wear protection region to or adjacent to the one or more worn areas on the part. Also, a module for selectively applying at least one wear protection region to a ground moving part for renewing wear resistance comprising: a 3D scanning device for producing an after-use 3D image and optionally also a pre-use 3D image; a computer system for comparing the pre-use 3D image and the after-use 3D image and processing the data to identify one or more worn areas; a wear protection additive.

Classes IPC  ?

• E02F 3/14 - GodetsChaînesGuides pour godets ou chaînesEntraînement des chaînes
• E02F 9/28 - Petites pièces métalliques pour éléments de creusement, p. ex. dents

Abrégé

A corner half arrow (1) is disclosed, which is configured to be attached to a leading edge (2) of a lip plate (3) of a bucket (21). The corner half arrow comprises a back portion (6) configured to be attached to a corner portion (13) of the leading edge and an inner side portion (7) configured to be attached to a side portion of an adjacent intermediate half arrow (8). The back portion is configured such that, when the corner half arrow is attached to the intermediate half arrow, the corner half arrow fills a spacing defined between the corner portion and a central axis, along which a central portion of the leading edge extends. A half arrow kit and a system are also disclosed.

Classes IPC  ?

• E02F 9/28 - Petites pièces métalliques pour éléments de creusement, p. ex. dents
• E02F 3/28 - DraguesEngins de terrassement entraînés mécaniquement avec des outils excavateurs montés sur un bras plongeur ou à godets, p. ex. plongeurs, godets
• E02F 3/36 - Éléments constitutifs
• E02F 3/40 - PlongeursAuges

Abrégé

A locking assembly (1) for releasably locking a shroud (2) to a carrier (3), wherein the locking assembly comprises a main body, a piston and a bolt provided with a thread engaging a corresponding thread of the piston for controlling the position of the piston relative to the main body, wherein locking assembly comprises a retaining means comprising a plurality of balls securing the bolt within a central recess of the main body.

Classes IPC  ?

• E02F 9/28 - Petites pièces métalliques pour éléments de creusement, p. ex. dents

Abrégé

A drill string (400) for rotary drilling of underground mining machines including a first elongate drill string member (100) and a second elongate drill string member (100). The first member has a main section (101) and a male end (102), the second member has a main section (101) and a female end (103). The male (102) and female (103) ends have respective threads to provide a thread coupling (401) between the male (102) and female (103) ends, the thread coupling enables the male end (102) to be secured inside the female end (103) such that the male and female ends overlap axially, wherein a thread lead (L2) of the respective threads of the male and the female ends is greater than a diameter (DM, DFI) of the male end (102) and the female end (103).

Classes IPC  ?

• E21B 17/00 - Tiges ou tubes de forageTrains de tiges souplesTiges d'entraînementMasses-tigesTiges de pompageTubagesColonnes de production
• E21B 17/04 - AccouplementsJoints entre tige et trépan, ou entre tiges
• E21B 17/042 - AccouplementsJoints entre tige et trépan, ou entre tiges filetés
• F16L 15/06 - Raccords avec filetageFormes des filetages pour ces raccords caractérisés par la forme du filetage