Abstract: The proposed device comprises chain links alternately connected to upper fastening plates and to lower fastening plates. These plates comprise fastening claws of which some are arranged on the front and/or rear edges of the plates and others inside the surface of the plates. Stops are provided for blocking the chain links along the edge of the end of a conveyor belt. Another series of similar chain links are placed against the other end of the conveyor belt. The two series of chain links and plates are braced against the upper and lower sides of the respective conveyor belt ends, the claws fastening them to these ends. A connecting rod is then fitted into the chain links of the two pre-interleaved series, bringing together the conveyor belt ends in the process.

Abstract: A junction for a conveyor belt that includes first and second half-junctions attachable to one end of the conveyor belt. Each of the half-junctions having substantially matching shapes that allow the half-junctions to be interlinked. The half-junctions include a flexible core, and being respectively equipped with cup inserts and bush inserts allowing the passage of an assembly mechanism. Each of the cores extend towards the inside of each half-junction forming a fold at a free edge of each of the half-junctions. The top level of the first half-junction contains the fold and in which a front edge of the bottom level has substantially the same shape as a front edge of the top level, but is shifted towards the rear at least by the distance that separates the front edge of the top level from the cup inserts that are the furthest from the front edge of the top level.

Abstract: Tooling intended for fixing hooks (7) connecting the ends of belt conveyors, at the ends of a belt conveyor (BT), includes: a fixed lower part (3) forming an anvil (3?) linked to a movable upper part (2) by means of positioning and centering fingers, a main punch (1) and a complementary punch (4). The main punch (1) includes a head (1?) provided with enlarged parts (1?a) and (1?b). The main punch (1) can slide in a vertical channel (2?) and the complementary punch (4) can slide in a vertical channel (2??). A vertical guiding groove (4) intended for guiding the staple (7) is arranged on the side of the complementary punch (4). A pneumatic hammer provided with a head (8, 8?) hammers the main punch (1) which drives the staple (7) in and drives, or hammers, the complementary punch (4) which simultaneously hammers the upper plate (5?) of the hook (5).

Abstract: Disclosed is a multi-claw clip made of metal sheet comprising a top portion forming the back consisting of a metal sheet part, claws forming extensions of the top portion forming the back that are bent perpendicularly to the top portion, the bends comprising re-entrant ribs and the claws comprising spikes, may be used with a joining staple of a corresponding conveyor belt, the said staple comprising a top plate furnished with holes designed to allow the claws of the clip to pass through. The clip may be snap-fitted by means of grooves of its claws into the edges of the holes of the upper plate of the staple.

Abstract: A junction for a conveyor belt that includes first and second half-junctions attachable to one end of the conveyor belt. Each of the half-junctions having substantially matching shapes that allow the half-junctions to be interlinked. The half-junctions include a flexible core, and being respectively equipped with cup inserts and bush inserts allowing the passage of an assembly mechanism. Each of the cores extend towards the inside of each half-junction forming a fold at a free edge of each of the half-junctions. The top level of the first half-junction contains the fold and in which a front edge of the bottom level has substantially the same shape as a front edge of the top level, but is shifted towards the rear at least by the distance that separates the front edge of the top level from the cup inserts that are the furthest from the front edge of the top level.

Abstract: One of the junction devices for a conveyor belt comprises three parts, namely an upper part (2), a lower part (3) and an intermediate part (4). Inserts (6′) and (7′) are used to assemble parts (2) and (3) using screws (5). Inserts (6) and (7) are used to assemble the junction device on the ends of a conveyor belt.

Abstract: One of the junction devices for a conveyor belt comprises three parts, namely an upper part (2), a lower part (3) and an intermediate part (4). Inserts (6′) and (7′) are used to assemble parts (2) and (3) using screws (5). Inserts (6) and (7) are used to assemble the junction device on the ends of a conveyor belt.

Abstract: The fastener comprises curved incorporated claws (4) serving to fix it to one end of a conveyor belt. The lower fixation plate of the fastener comprises curved raised edges (6) intended to make the points of the claws (4) enter under the small bars of ports (5) arranged by shearing and stamping in the lower fixation plate. The points of the claws (4) are locked along the lower front and back ridges (9) by the flattening of the small bars of the ports (5) during the final tightening of the fasteners during their fixation on the end of a conveyor belt.

Abstract: The fastener (1, 2, 3) comprises for the screwing of screws, dimplings (5, 5′) set in a fixation plate (2) of the fastener. The dimplings (5, 5′) are attached to the fixation plate (2) in which they are made only on one part of their circumference, two reserved zones (81, 82 or 81′, 82′) for each dimpling not being stamped at the base of the dimplings and comprising shearings in the sheet metal of the fixation plate (2), allowing a certain tilting of the dimpling (5 or 5′) during operation of the conveyor belt.

Abstract: A conveyor belt jointing device with a generally H-shaped cross-section comprising a central portion (1) forming the crossbar of the H, and two pairs of flanges (2, 2'; 3, 3') connected to respective sides of the central portion (1) and integral therewith. The jointing device comprises two separate reinforcing elements (4, 4'). The reinforcing elements consist of stacked plies of cables made of metal or a synthetic material and having little or no inherent stretchability, the ply cables being arranged at angles of around 45.degree. to the longitudinal direction and around 90.degree. to the cables in the ply located immediately above or below.

Abstract: The invention is directed to a rivet nail which can include two separate pieces or one single piece. Each rivet nail has a hollow rivet part having a head (1) and a cylindrical stem (2) axially connected to the head. The end located opposite to the end carrying the head (1) has a hollow cylindrical space extending inside the cylindrical stem (2) over at least a part of the cylindrical stem (2) length, and a nail part including a hollow cylindrical stem extending taperwise to form a nib (4).

Abstract: The invention concerns a disconnectible and reconnectible junction device for conveyor band made up of two flat flexible elements (A, a) presenting at the front side complementary shapes capable of interleaving in one same plane, connected rearwardly to the ends of a conveyor band, by sticking, vulcanization, riveting, clamping, thermoplastic molding, or formed directly by moulding over the ends of the conveyor band, each one of the flexible elements comprising at the front side oblong strips (L.sub.1, L.sub.2, L.sub.3, l.sub.1, l.sub.2, l.sub.3) in the longitudinal direction, separated by notches (E.sub.1, E.sub.2, E.sub.3, e.sub.1, e.sub.2, e.sub.

Abstract: The joining device is constituted by U-shaped staples fixed to the ends of the conveyor belt. The staples (1) comprise in their concave part a ring (3) of a wear resisting material the wear being due to the friction, and which has also good slipping properties. A tightness stripe (8) links the rings (3) and therefore the staples (1). The tightness stripe (8) comprises blades (9) which form a double tightness barrier in the gaps which are present between the front part (14) of the conveyor belt (13) and the front convex part of the opposed staple. The staples (1) are connected by means of a linking and hinging rod (15) threaded across the rings (3) of the successive staples (1) belonging alternately to one and to the other staple row. When mounted the rings (3) are in abutment against the front part (14) of the conveyor (13).

Abstract: The joining device according to the invention has generally the form of an H shaped profile, the central part (6) of which forming the central bar of the H is extended by two opposite pairs of arms (2', 2", 2'", 2"") forming the branches of the H, the said arms extending in a longitudinal direction along a length several times larger than the bigger dimension of the central part (6) forming the bar of the H of the joining device in a cross-section view, the said central part (6) as well as the arms (2', 2", 2'", 2"") being made up of a flexible and elastic material, the flexibility and elasticity of the said material being close to the flexibility and to the elasticity of the constituent material of the conveyor belt for which the joining device is provided. The material of the joining devices according to the invention can be provided with a reinforcement (4).

Abstract: The joining device comprises two halves of a joining device made up of a flexible and elastic material each one comprising a pair of flexible wings (4). These wings are fixed to the conveyor belt (6) by rivets (10). A frame (5) extends into the wings (4) and in the part of the joining device which constitutes the joining itself. The frame (5) is trimmed to washers (10) or to small plates (8) used as reinforcement for the fixing holes. A linking stem is threaded across through holes or passages provided in the linking elements.

Abstract: This method and the apparatus for carrying out same are characterised essentially in that, during the weaving of the tape of the element, two separate filaments are inserted into the texture for constituting the fastening or coupling members propers by engaging by turns one and the other filaments between the warp yarns, at spaced intervals, to constitute at each point of insertion a transverse loop wound in one direction for one filament and in the opposite directions for the other filament, and meanwhile these filaments are disposed in the longitudinal direction on the side opposite to the coupling members proper, whereby these filaments constitute two variable-pitch helices of which the loops wound in opposite directions are imbricated, every other loop belonging to the same helix.