Abstract: a tamper-resistant sealing system between a container body and the lid, both obtained by a thermoforming process, in which said contained body and said lid have a respective curved or grooved edge structured to fitted one to another, each curved or grooved edge including a top portion and an outer wall portion, said outer wall portion of said lid presenting a pair of weakening lines defining a breakable and removable strip there between and constraint means is provided between said outer wall portion of said container body and said lid.

Abstract: A handling apparatus for groups of thermoformed object constantly held in a correct axial alignment. The apparatus include at least one picking up and release head having as many receiving seats extending parallel to one another from the head as are the stacks to be handled, and a drive apparatus arranged to move a respective pick up and release head between a stack pick up station and a stack release station of one or more stacks of thermoformed objects and to position it correctly both at the stack pick up station and at the stack release station. At least one mobile pusher member is arranged to engage the stacks of thermoformed objects located in each receiving sear, and control drive apparatus for each mobile pusher member to follow and hold down each stack while each stack is being released from its respective receiving seat.

Abstract: Process and plant for handling and stacking a plurality of thermoformed containers or lids, including the steps of: obtaining during a thermoforming phase mouldings of lids and containers, having at least three stacking protrusions or spacers, all having the same space arrangement in all the thermoformed products of the same moulding, at least one of the stacking protrusions or spacers of a same thermoformed object being set out in a non specular symmetric way with respect to at least a center line of the respective container or lid and at a distance from the same center line of the respective container or lid different from that of the others, arranging one or a moulding of said containers or lids in at least one support template to keep them in order according to the spatial arrangement that they had during the thermoforming phase, turning through a predetermined angle every other object or moulding of objects either containers or lids before or during their transfer to a stacking station, and stacking

Abstract: A plant for unloading stacks (5) of thermoformed products from a cage (4) containing stacks (5), which comprises a support structure (2), at least one support plate (3) for a respective cage (4) containing stacks (5), which is mounted for rotation on the support structure (2), reversible motor (8) to cause the support platen (3) to effect angular movements of a preset amplitude around a horizontal axis, so as to angularly move its respective containing cage (4) between an erect position, in which the stacks (5) of thermoformed products contained therein extend in a substantially vertical direction, and an inclined unloading position, expeller bar (12) designed to expel stacks (5) of thermoformed objects from the cage (4) when the support plate (3) is in inclined unloading position, and a conveyer (20) for receiving stacks (4) of thermoformed objects unloaded from the containing cage (4) located downstream of the unloading position of the support plate (3).

Abstract: The present invention relates to a container having a tub body (2; 36) with a bottom (3), a side wall (4), and a lid (5; 37) with top wall (6) and side wall (7). The side walls of both the container and the lid have complementary flanged rims that can fit together by snap engagement with one another. The rim (8) of the body of the container has, in sequence, a first flat flange section (11) extending outwards on the one hand, integral with the side wall (4) of the body of the container and, on the other hand, an inwardly bent section (12) at least partly extending over said flat section (11), an intermediate outwardly convex section (13), a second flat flanged section (14) substantially parallel to the first flat section (11), and a protruding terminal volute-shaped section (15) delimiting an uninterrupted undercut recess (16) with the second flat section (14).

Abstract: Process and plant for handling and stacking a plurality of thermoformed containers or lids, which comprises the following sequence of phases:

Abstract: The invention relates to a method of thermoforming and partly cutting thermoforming objects, which comprises intermittently feeding a tape or plate (2) of thermoformable material to a thermoforming press (46); thermoforming and cutting the tape or plate in a mould (48, 50) to obtain at least one thermoformed article (51) surrounded by residual web or waste (57), wherein partial cutting is carried out by means of punch-and-die cutting means (52, 54) and cutting affects the whole outline of each thermoformed object (51) and has at least one discontinuity (55) which results in one or more tiny connection sections or witness beads (58) connecting each thermoformed object (51) to the waste (57).

Abstract: A thermoforming apparatus comprising a thermoforming machine (10) having a female die (12) and counter-die or male die (13) reciprocally approachable and removable for the operations of closing, thermoforming and opening, a feeder of thermoforming material between the female die (12) and counter-die (13), cutting means for cutting the thermoforming material immediately after the closure of the female die and the counter-die, one or more work or treatment stations for the articles (15) thermoformed in the die (12), extraction heads (16) arranged to be operated concomitantly with each opening of the same to extract a thermoformed article (15) moulding from the female die and to convey the articles thus extracted to one or more work or treatment stations or else to transfer them to a receiving template (17), retention means for engaging each thermoformed article (15) with the respective extraction head or else with its respective receiving template to ensure correct positioning of the article during conveyance t

Abstract: Process and plant for handling and stacking a plurality of thermoformed containers or lids-,which comprises the following sequence of phases:

Abstract: A plant for unloading stacks (5) of thermoformed products from a cage (4) containing stacks (5), which comprises a support structure (2), at least one support plate (3) for a respective cage (4) containing stacks (5), which is mounted for rotation on said support structure (2), drive means (8) to cause said support platen (3) to effect angular movements of a preset amplitude around a horizontal axis, so as to angularly move its respective containing cage (4) between an erect position, in which the stacks (5) of thermoformed products contained therein extend in a substantially vertical direction, and an inclined unloading position, expeller means (12) designed to expel stacks (5) of thermoformed objects from said cage (4) when said support plate (3) is in inclined unloading position, and a conveyer (20) for receiving stacks (4) of thermoformed objects unloaded from said containing cage (4) located downstream of the unloading position of said support plate (3).

Abstract: A handling apparatus for groups of thermoformed objects constantly held in a correct axial alignement, which apparatus includes at least one picking up-release head (2) having as many receiving seats extending parallel to one another from said head (2) as are the stacks (4, 4a, 4b) to, be handled, and drive means (7, 19) arranged to move a respective pick up and release head (2) between a stack pick up station (10) and a stack release station (12, 17) of one or more stacks (4) of thermoformed objects and to position it correctly both at the said stack pick up station (10) and at the said stack release station (17, 12), at least one mobile pusher member (21) arranged to be moved between, and parallel to, the said receiving seats in order to engage at the top thereof the stacks (4, 4a, 4b) of thermoformed objects (5) located in each receiving seat, and control drive means (23) for each mobile pusher member (21), thereby following and hold down each stack (4, 4a, 4b) while the same is being released from its res

Abstract: A plane-template conveyor for a thermoforming plant for obtaining a plurality or moulding of thermoformed hollow objects including at least one thermoforming press having at least one male die or mould, at least one female die and at least one picking up and transferring group for sequentially picking up and transferring mouldings of thermoformed objects from a die to a template conveyor, the said conveyor comprising a support frame which delimits an endless path, a plurality of templates movably mounted on the said endless path and each having a number of receiving seats equal to that of the objects of one mould, a plurality of driving means spaced along the said endless path to cause a sequential and discontinuous movement of the said templates at a predetermined speed between one template and the other.

Abstract: A device for withdrawing and carrying away thermoformed objects from a thermoforming single-station apparatus or press having a support frame, a feeder of sheet or tape material as well as a female die and a counterdie which are movably arranged one with respect to the other between a closed position in which the sheet or tape material fed by the feeder is thermoformed, and an opened position in which the female die and the counterdie are mutually spaced apart one with respect to the other. The plate device including a driving apparatus designed to move it along a straight path between a withdrawing position of the objects from the female die, while the latter is in its opened position, and an object releasing position away from the die.

Abstract: Method and apparatus are disclosed for extracting thermoformed objects from a thermoforming machine and processing them. The apparatus includes one or a sequence of units or treatment or work stations for thermoformed objects produced in the thermoforming machine, arranged in sequence immediately downstream of the thermoforming machine. At least one extractor plate is designed to move synchronously with the thermoforming machine between a withdrawal position in which a set of thermoformed objects are removed from the thermoforming machine and at least one processing station for processing or handling the set of removed objects. And, the at least one extractor plate keeps the removed objects secured to it during the corresponding processing or handling.

Abstract: A pick-up and transfer head (1) for hollow objects (10) which is particularly suitable for picking up thermoformed objects from a female die (3) and transferring them to a receiving station (22) in a thermoforming apparatus, which comprises at least one pick-up structure (1) which is designed to engage and support the object (10) or objects to be picked up and transfer them to a supporting and displacement unit (22), and has a flat plate-like (4) or reticular member having at least one seat (5) for the respective object (10) or objects to be picked up and transferred, engaging/disengaging means (6) for the corresponding object (10) located at seat (5) or seats and control means for the said engaging/disengaging means (6) to control the picking-up and release of the object (10) or objects.

Abstract: Flanging or curling apparatus particularly for hollow articles obtained by thermoforming from thermoformable sheet material for use in a thermoforming plant equipped with template or mask conveyor for transfer of the thermoformed objects. The apparatus comprises a support frame which delimits at least one workstation for a sequence of masks supporting hot thermoformed objects carried by the conveyor or at least one head for simultaneous curling of all thermoformed objects in the or each workstation.

Abstract: A method for the thermoforming of hollow objects having a base from a sheet of thermoplastics material, which effects in one single predetermined operating cycle, the production of a pressed object by hot forming and cutting out of the object or objects between one half of a movable double female mould which is located in the forming area opposite a male die, movement of the female half of the mould, said half containing therewithin the thermoformed object or objects, towards a corresponding discharge area alternately to one side or the other of the forming area; picking up the object or objects from the female half of the mould located in corresponding discharge area and transferring each object to a plurality of receiving formers of a shape corresponding to the mould, which formers can move sequentially stepwise along a track, sequential movement of the formers to at least one workstation or handling station at the same time as the female mould moves back to place its other half opposite the male die in ord

Abstract: A method and apparatus for replacing the dies (10, 13) in thermoforming equipment provided with a base (2), a supporting structure (12) supported by the base (2), a supporting head (9) for a counter-die (10) carried by the supporting structure, a supporting table (12) for a die supported by the base (2) beneath the supporting head (9), actuation means for the head (9) and for the supporting table (12) to control a sequence of controlled insertion and withdrawal movements between the head (9) and the supporting table (12) to cause the die (13) to close against and open away from the counter-die (10), feed means for a sheet of thermoformable material for pressing designed to operate synchronously with the activating means and including a pair of longitudinal members (15) to advance the sheet in a direction substantially normal to the direction in which the die (13) opens and closes.

Abstract: Apparatus for the thermoforming of hollow objects at a base comprises thermoforming of the objects from a sheet of thermoplastics material in a half of a double female mould that can be moved between a forming area against a male die and a discharge area to one or the other side of the forming area. The thermoformed objects are transferred from the discharge area onto a plurality of receiving formers moving sequentially stepwise along a track. One or more processing or handling operations are performed on the objects while the formers are stationary.

Abstract: A method for the thermoforming of hollow objects having a base from a sheet of thermoplastics material, which effects in one single predetermined operating cycle, the production of a pressed object by hot forming and cutting out of the object or objects between one half of a movable double female mould which is located in the forming area opposite a male die, movement of the female half of the mould, said half containing therewithin the thermoformed object or objects, towards a corresponding discharge area alternately to one side or the other of the forming area, picking up the object or objects from the female half of the mould located in corresponding discharge area and transferring each object to a plurality of receiving formers of a shape corresponding to the mould, which formers can move sequentially stepwise along a track, sequential movement of the formers to at least one workstation or handling station at the same time as the female mould moves back to place its other half opposite the male die in ord