Abstract: A dynamic weighing machine that comprises a set of buckets, a series of bucket-carrying supports and a transport system that moves the supports along at least one horizontal straight path, the buckets being able to adopt a weighing position (B) on their support in which the bucket is slightly raised with respect to the support, and the buckets comprising first and second sliding means, each one arranged on one side of the bucket and the machine has a weighing station with a scale with first and second rail means between which buckets in transit can pass through the weighing station when they adopt their weighing coupling position (B), sliding while being supported by their first and second sliding means, like a bogie.

Abstract: A transport system designed to transport buckets in a combination weighing machine that uses two endless chain drives horizontally offset at a distance A, the system comprising carriages to carry the buckets which extend between, and are joined to, the chains such that the simultaneous and coordinated motion of the chains moves the carriages along a closed path with curved sections, the system comprising control gears for the inclination of the carriages on the curved sections of the path, which comprise castor wheels actuated in a coordinated fashion with the chains around both turn axes n, at least one of which placed in the vicinity of each curved section linking the carriages and prepared to mesh with contact elements arranged for such purposes on the carriages.

Abstract: A method for obtaining one strip or a number of strips from a band material which extends in a longitudinal direction (Y) which comprises using a cutting die which has at least two cutting edges, there being at least two theoretic cutting start and end points on each one of the cutting edges which determine a predetermined cutting pattern therebetween, wherein said cutting edges are extended in at least one cutting line beyond the theoretic cutting start or theoretic cutting end points, or in both, which do not form part of the pattern, said cutting lines comprising a correcting section which extends in a direction that is not parallel to the cited longitudinal direction (Y), being intended to compensate for a lateral discrepancy between the theoretic cutting start and end points between two consecutive cutting operations.

Abstract: A display package which has a box provided with a foldable lid which is joined articulatedly to the upper edge of a functional wall of the lateral walls. The lid has at least one fold line, parallel to the upper edge, which determines a first area of the lid provided with a perpendicular flange which, in the closed position thereof, partially covers the laterals of the box externally; and in that in the assembled position of the display package, the fold line is applied on the lower edge of the functional wall, thereby allowing the cited first area of the lid to be applied against the bottom of the box, folded around the fold line, the edges of the flange forming a stable support for the box uncovered in the manner of a display.

Abstract: The present invention relates to a process for the formation and the filling of bags, applicable to tubular mesh bags closed at their two ends and provided with a handle formed by a plastic strip attaching said ends, comprising the operations of constricting a mesh section of a portion of mesh previously drawn from a storage and attaching it to a section of the strip of a portion of strip previously drawn from its storage, determining at least one securing area between both sections of the mesh and of the first strip, to make a first closed end of the bag to be formed, still empty, and a second end of the immediately previous bag still in formation, already filled; and of transversely cutting both attached sections of the mesh and of the first strip so that the first closed end is gripped by the first strip during the entire following process of filling and formation of said bag, including operations of drawing new portions of mesh and of strip from the corresponding storages and of filling of the bag before

Abstract: A system for the quick coupling of reels to a rotating shaft especially suitable for the unwinding or winding in reels of a consumable of thermal transfer printing or direct thermal printing machines, including a rotating shaft provided with a plurality of housings each of which is suitable for the firm but removable coupling of a rod, a single rod being able to be selectively coupled in any one of the mentioned housings; and a set of reels of a different width, provided with respective tubular bodies for the winding of the consumable provided with at least one respective slot suitable for the bayonet mount thereof with the shaft through the rod coupled in said shaft. The arrangement of the housings and of the slots are such that it is possible to couple any of the reels in such a way that said reels are centered with respect to a same plane transverse to the shaft.

Abstract: A strip for the formation of handles or labels for fruit and vegetable product bags, such as mesh bags, the strip having a linear succession of handles, or labels where appropriate, joined without interruption to the immediately preceding and to the immediately following one, a central portion and two opposite ends being distinguished in each of them, which together with those of the immediately preceding and immediately following handles or labels determine respective joining areas, each handle or label provided in the transition area between each end and its corresponding central portion with at least one recess or depression at its edges, the inner contour of which is made up of a curved or mixed curve line devoid of angles and without inflexion points.

Abstract: A process for weighing successive flexible filled packs, without conveyance of the packs being stopped and without the conveyance suddenly decelerating, to weighing device which holds and transports the packs in suspension to a delivery position; the weighing process including measuring by a scale the weight of the assembly formed by the weighing device and the weight of the conveyed pack or packs, the average speed of the conveyance of the packs and/or the length of the conveyed distance being selected such that during a predetermined time period a single pack is held and conveyed in suspension by the weighing device. The weighing device for the packs includes first and second endless belts between which holding portions of the packs to be weighed are introduced, and the suspended packs are conveyed by the movement of the endless belts.

Abstract: A strip for the formation of handles or labels for fruit and vegetable product bags, such as mesh bags, the strip having a linear succession of handles, or labels where appropriate, joined without interruption to the immediately preceding and to the immediately following one, a central portion and two opposite ends being distinguished in each of them, which together with those of the immediately preceding and immediately following handles or labels determine respective joining areas, each handle or label provided in the transition area between each end and its corresponding central portion with at least one recess or depression at its edges, the inner contour of which is made up of a curved or mixed curve line devoid of angles and without inflexion points.

Abstract: A machine (1) for the manufacture of bags, having a support element (2, 3, 4) for detachably coupling a corresponding portable storage (22, 33, 44) of a consumable material (22a, 33a, 44a) from which the bags are made and mechanical mechanism for making bags from the material. A remote reading mechanism (5) is provided for reading the information stored in a radiofrequency tag (6, 7, 8) included in the portable storage, as well as a control unit (18) which contains a mechanism for obtaining information from the radiofrequency tag, which allows identifying the type of consumable material coupled in the support element, and for automatically generating a signal for controlling the mechanical mechanism.

Abstract: A roll of flexible strip for producing bags, the strip being a strip made of a plastic material suitable for being welded to the body of a tube of plastic fabric or extruded mesh, said strip being wound upon itself longitudinally around a support intended to be coupled to the shaft of a machine, the strip having a repetitive pattern along its length, comprising a functional section and a connecting section contiguous thereto, having a length (L) equal to or greater than the length (l) of the mentioned functional section and having a portion the format of which does not reproduce the format of the mentioned functional section.

Abstract: The invention relates to a system for the quick coupling of reels (1, 2) to a rotating shaft (3) especially suitable for the unwinding or winding in reels of a consumable of thermal transfer printing or direct thermal printing machines, which consists of a rotating shaft (3) provided with a plurality of housings (4) each of which is suitable for the firm but removable coupling of a rod (5), a single rod being able to be selectively coupled in any one of the mentioned housings; and a set of reels (1, 2) of a different width, provided with respective tubular bodies for the winding of the consumable provided with at least one respective slot (7, 8, 9) suitable for the bayonet mount thereof with the shaft through the rod coupled in said shaft, the arrangement of the housings and of the slots being such that the coupling of any of the reels such that it is centred with respect to one and the same plane (11) transverse to the shaft is always possible.

Abstract: It is disclosed a device (1) for altering the storage capacity of a tubular mesh bag of heat sealable material during the manufacture thereof and the bag (15) obtained from its using. The device comprises an expansion core (2) to which the tubular mesh is peripheral, which is essentially oblong and will be inserted vertically inside the tubular mesh, thus determining two from faces (21) and two side faces of said mesh as it passes over the expansion core. The device has a mechanism for inserting, in a variable way as the mesh passes over the expansion core, sections of the peripheral tubular mesh into it, thus accumulating a greater or smaller quantity of mesh in each longitudinal section of mesh corresponding with one bag unit.

Abstract: Bag for packaging food products, particularly fruit and vegetable products, which comprises a flexible tubular body, the central portion of which is designed to house the products contained in the bag and the longitudinal ends of which are closed, a flexible oblong element, such as a strip, which is considerably shorter than the tubular body of the bag, being solidly joined to both closed ends, which acts as a handle whereby to suspend said bag, the tubular body being overdimensioned in relation to the volume of the products housed therein, so that when the bag is suspended from the strip that acts as a handle, it is U-shaped, with its end portions empty and in a vertical position and with its central portion filled with products.

Abstract: The invention relates to a method for producing and filling bags of produce using a supply of very long tubular netting. The invention includes: a loading phase, in which a segment of tubular net is positioned on a loading tube, such that the long end portion of the tubular net that encircles the tube is gathered, pleated and compressed longitudinally and such that a second short intermediate portion of the tubular net is stretched out, without gathering, and in which a loading hole is made in the stretched intermediate portion of the tubular net; and a production and filling phase, in which successive segments of the long gathered end portion of the tubular net are repeatedly stretched so that these segments ca be manipulated to form individual bags, the produce to be stored being inserted into each bag through the loading hole made in the stretched short intermediate portion of the tubular net.

Abstract: The invention relates to a device for the filling of bags in automatic machines for the formation, filling and closing in a continuous process of bags from a tubular mesh, of those comprising a tubular body outside which the storage of tubular mesh is assembled, the device comprising means for the conveyance of individual pieces of large fruit and vegetable products, such as melons, watermelons or the like, from a loading position to a delivery position, and means for the holding and transfer, one by one, of the individual pieces conveyed to the delivery position, which comprise a head for the holding and subsequent release of the pieces and a mechanism for transmitting to the head a movement the path of which comprises a vertical downward section, of a sufficient length to convey the held piece through the inside of the tubular body of the machine towards the mouth of a bag open at the upper part, and such that the piece is accompanied in its entire downward path.

Abstract: Bag, for packaging fruits and vegetables, which comprises a flexible tubular wrapping that accommodates the product in the central portion thereof, the two end longitudinal portions of the tubular wrapping being empty, closed and mutually and inseparably joined, said join defining a single closure zone of the bag, common to both ends of the tubular wrapping, said end longitudinal portions forming a handle for gripping of the bag and from which, when the bag is gripped, said central portion of the wrapping and, consequently, the product housed within, is suspended, the handle possibly being provided with a transverse strip that joins individual points that are contiguous to the central portion of the tubular wrapping, an arched bag portion that constitutes the handle proper being defined above the transverse strip.

Abstract: Method for the movement by friction of a set of two bands of superimposed flexible material, using at least two feed rollers that turn in the direction of band movement so that they are all pulled in unison, occasionally involuntary offsetting can occur in the mutual correct position of the bands, the method includes the placing of antifriction devices between both adjacent bands that allow mutual movement between both bands when they are pressurised between the opposite rollers and are pulled by them, without slipping between the bands and rollers, and because on at least one operative cycle the method includes an adjustment stage wherein the two rollers have a tangentially different speed so that one of the bands is pulled to a greater distance than the other, in order to correct the aforesaid involuntary offsetting in the mutual position between both bands.

Abstract: It is disclosed a device (1) for altering the storage capacity of a tubular mesh bag of heat sealable material during the manufacture thereof and the bag (15) obtained from its using. The device comprises an expansion core (2) to which the tubular mesh is peripheral, which is essentially oblong and will be inserted vertically inside the tubular mesh, thus determining two from faces (21) and two side faces of said mesh as it passes over the expansion core. The device has a mechanism for inserting, in a variable way as the mesh passes over the expansion core, sections of the peripheral tubular mesh into it, thus accumulating a greater or smaller quantity of mesh in each longitudinal section of mesh corresponding with one bag unit.

Abstract: Machine for manufacturing mesh bags from a continuous roll of tubular mesh, and for filling and closing said mesh bags, which comprise an expansion device which is perimetric to the tubular mesh, the core expander of which is equipped with a vertical aperture which, as if it were a slot, traverses said core expander and connects the two frontal faces thereof and extends from its base to an intermediate point, for which the core expander adopts an inverted “U” shape, the machine also being fitted with preventive welding means, adapted for partially welding the two frontal faces of the tubular mesh and, as the case may be, the adjoining laminates of thermally weldable material through the aperture of the core expander; a traction device which drags a section of the tubular mesh provided with a bottom; conveyor means; and second and third filling and closing stations, respectively, both being arranged linearly.