Abrégé

The method for forming electrical terminals of electric energy storage devices, in particular such as cylindrical electric batteries, involves making preferential fold lines on portions (4) of conducting material protruding along a longitudinal edge of flexible tape materials (3) configured to define the anode and cathode elements of a cylindrical winding (2) of the electric battery. Said preferential fold lines are defined by an orderly succession of fold lines (5) made on said protruding portions (4) of conducting material.

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général
• H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés
• H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes

Abrégé

The process for winding strip-like materials in the formation of electrical energy storage devices provides for arranging in a working position a winding pin (10) comprising a pair of longitudinal elements (11, 12) arranged in a position spaced apart from each other and for associating a portion of said strip-like materials to said winding pin (10). Said winding pin (10) is then driven in rotation according to its longitudinal axis (A) to wind the strip-like materials on the same winding pin (10). At the end of the winding of the strip-like materials on the winding pin (10), said longitudinal elements (11, 12) of the winding pin (10) are actuated in relative movement in a direction transverse to the longitudinal axis (A) to bring the same longitudinal elements (11, 12) in a mutually close position of removal from the winding (20) carried out.

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général
• H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés

Abrégé

The process for forming electrical energy storage devices provides for arranging a cell (2) of the device to be formed comprising a plurality of web elements, forming at least one anode, one cathode and a separating element interposed between said anode and cathode, superimposed on each other and wound into a substantially cylindrical shape, so as to define a central hole (20). A cylindrical pin (3) of electrically conductive material is inserted through said central hole (20) of said cell. At the same time, the cylindrical pin (3) is heated to a working temperature. Said cylindrical pin (3) is then operated in axial rotation and the rolling of the same cylindrical pin (3) is controlled along the internal surface of said central hole (20) of said cell (2) of the electrical energy storage device, to stably associate a head portion of the said web elements with said internal surface of the central hole (20).

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général
• H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés

Abrégé

The apparatus for controlling the feeding of web material (2) to automatic machines using this web material comprises an elongated container (10) for receiving said web material (2) unwinding from a relative reel and having an open front end and a rear end closed by a back wall (13). Guide means is arranged at said open front end of the container (10) to guide said web material (2) into and out of the container (10) respectively. The web material (2) is adapted to develop inside the container (10) to form a loop (20) between an input branch (21) and an output branch (22) of the same web material (2). A vacuum pump (14) connected to said container (10) proximate to said back wall (13) is adapted to create, inside the container (10), a controlled vacuum external to said loop (20) formed by web material (2) to tension the web material (2) itself.

Classes IPC  ?

• B65H 20/24 - Progression des bandes par des dispositifs à boucles ou similaires
• B65H 20/32 - Dispositions pour accumuler un surplus de bande par formation de boucles

Abrégé

The apparatus for notching web material (2) comprises a first cutting unit (100) comprising a first wheel (101 ) and a second wheel (102) designed to rotate around respective axes (A, B). The first wheel (101 ) carries a plurality of counter-blades (103) distributed at a peripheral edge (104) of the first wheel (101 ). The second wheel (102) carries a plurality of blades (105), removably housed in respective seats (106) distributed at a peripheral edge (107) of the second wheel (102). The first and second wheels (101, 102) are adapted to engage said web material (2), which is fed, in operation, between said plurality of counter-blades (103) and said plurality of blades (105), for punching out a plurality of transversal notches (400) at a longitudinal edge (401 ) of said web material (2).

Classes IPC  ?

• B26F 1/12 - Perforation par poinçonnage, p. ex. avec un mouvement de va-et-vient du poinçon et du banc l'un par rapport à l'autre pour encocher les bords de la pièce

Abrégé

The apparatus for controlling the feeding of web material (2) to automatic machines using said web material for production purposes comprises an elongated container (10) adapted to receive said web material (2) unwinding from a relative reel and having an open front end and a rear end closed by a bottom wall (13). Guide means (3, 4) are arranged at said open front end of the container (10) to guide said web material (2) into and out of said container (10) respectively. Said web material (2) is capable of developing inside the container (10) so as to form a loop (20) between an input branch and an output branch of the same web material (2). A vacuum pump (14) connected to said container (10) close to said bottom wall (13) is capable of creating, inside the container (10) itself, a controlled negative pressure external to said loop (20) formed by the web material (2) to tension the web material (2) itself. An auxiliary roller (5) arranged in floating fashion at the inner side of said web material (2) unwinding inside said container (10), at said pneumatic loop (20).

Classes IPC  ?

• B65H 20/34 - Dispositions pour accumuler un surplus de bande par formation de boucles au moyen de rouleaux

Abrégé

The apparatus for automatically joining reels of web material comprises a joining assembly (5) adapted to take the trailing edge of a first expiring reel (21 ) of web material and to apply it on the leading edge of a second reel (22) of web material. Said leading edge is held close to said second reel (22) of web material by gripping means (3) rotated, at the same angular speed, by the same second reel (22). Said leading edge bears, on the side facing outwardly, a label (4) of adhesive material.

Classes IPC  ?

• B65H 19/18 - Fixation, p. ex. par collage, de la bande de remplacement à celle qui se termine

Abrégé

The apparatus for notching web material comprises a longitudinal cutting assembly (200), comprising a guide roller (201) rotatable around a respective axis (C), a first cutting member (202) and a second cutting member (203), located downstream of said first cutting member (202). The first and second cutting members (202, 203) can be operated, independently of each other, in a movement towards or away from a first inactive position, in which they are respectively distant from a web material (2), fed, in operation, between said guide roller (201) and said first and second cutting members (202, 203), and a second active position, in which they are suitable for engaging said web material (2), between said guide roller (201) and said first and second cutting members (202, 203), for punching out longitudinal notches (402) on said web material (2).

Classes IPC  ?

• B26F 1/08 - Perforation par poinçonnage, p. ex. avec un mouvement de va-et-vient du poinçon et du banc l'un par rapport à l'autre avec des outils de poinçonnage se déplaçant avec la pièce dans laquelle les outils sont portés par un tambour rotatif ou un support similaire, et se déplacent, pendant le fonctionnement, par rapport à ces tambours ou supports
• B26F 1/12 - Perforation par poinçonnage, p. ex. avec un mouvement de va-et-vient du poinçon et du banc l'un par rapport à l'autre pour encocher les bords de la pièce

Abrégé

The apparatus for forming electric energy storage devices, of the type comprising a cylindrical winding (2) formed by at least one anode element, a cathode element and a separator interposed between said anode and cathode elements, and bearing a pair of metal disks (3), applied to the opposite ends thereof, adapted to make contact with the terminals of said anode and cathode elements, comprises a rotatable member (4) adapted to bring in succession said cylindrical windings (2) at a series of operative stations. The apparatus comprises first feeding means (5) adapted to operate the advancement in ordered sequence of said cylindrical windings (2); means (6) for transferring said cylindrical windings to said rotatable member (4); second feeding means (7) adapted to operate the feeding to said rotatable member (4) of said pairs of metal disks (3); and means (9) of welding said pairs of metal disks (3) to said terminals of said anode and cathode elements of the cylindrical windings (2).

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général
• B23K 26/02 - Mise en place ou surveillance de la pièce à travailler, p. ex. par rapport au point d'impactAlignement, pointage ou focalisation du faisceau laser
• B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces

Abrégé

The apparatus for automatically changing reels of web material comprises at least a pair of support devices (10) of respective reels (2) of web material arranged side by side and having a protruding body, which has a coupling member protruding according to a horizontal axis, adapted to receive and rotate one said reel of web material. Said body (11) may be operated in angular rotation, according to a vertical axis, between a first position in which said reel (2) carried by said coupling member (12) is arranged on a work surface in which the unwinding of said web material takes place and a second position in which said coupling member (12) is arranged to receive a new reel (2) of web material.

Classes IPC  ?

• B65H 19/12 - Levage, transport ou insertion de la bobineEnlèvement du noyau vide

Abrégé

The apparatus for forming a strip of electrodes for manufacturing electrical energy storage devices, of the type comprising a stack of electrodes formed by folding a flexible strip (2) comprising a separator (20) carrying applied, on the opposite faces, a series of anode elements (21) and a series of cathode elements (22), comprises first feeding means (10) suitable for operating the advancement of a strip of separator material (20) and second and third feeding means (30, 40) suitable for operating the advancement respectively of said anode elements (21 ) and of said cathode elements (22). The apparatus comprises means (70) of coupling said anode and cathode elements (21, 22) to said strip of separator material (20) comprising a pair of counter-rotating coupling wheels (71) between which said strip of separator material (20) is fed according to a median plane to the same counter-rotating coupling wheels (71).

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général
• H01M 10/0583 - Structure ou fabrication d'accumulateurs à éléments de structure pliés à l'exception des éléments enroulés, c.-à-d. des électrodes positives ou négatives pliées ou des séparateurs pliés, p. ex. à électrodes ou séparateurs en forme de Z

Abrégé

The machine for manufacturing electrical energy storage devices, of the type comprising a stack of electrodes formed by folding a flexible web (2) comprising a separator element (20) carrying, on the opposite faces, a series of anode elements (21 ) and a series of cathode elements (22), comprises feeding means (10) suitable for advancing said flexible web (2) along a feeding plane. Rotatable means (31, 32) is operable in rotation with continuous movement. Said rotatable means (31, 32) carries a plurality of folding assemblies (41, 42) peripherally distributed and adapted to grasp in succession said flexible web (2) and to perform a series of orthogonal folds on said flexible web (2).

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général
• B65B 11/42 - Enveloppement d'objets ou de quantités de matériaux, par déplacement de l'enveloppe et du contenu sur des parcours déterminés sur une combinaison de parcours rectiligne et courbe pour plier les enveloppes en forme de tube autour du contenu et ensuite former des plis de fermeture de forme similaire aux extrémités opposées du tube
• H01M 10/0583 - Structure ou fabrication d'accumulateurs à éléments de structure pliés à l'exception des éléments enroulés, c.-à-d. des électrodes positives ou négatives pliées ou des séparateurs pliés, p. ex. à électrodes ou séparateurs en forme de Z

Abrégé

The machine for manufacturing storage devices comprises means for feeding (2) a plurality of tape elements (10), forming at least one anode, one cathode and one separating element interposed between said anode and cathode, to a group of temporary storage rollers (30) and means for cutting to size (9) of respective portions of given length of said tape elements (10) wound on said temporary storage rollers (30). A winding mandrel (41), having an axis of rotation parallel to the axes of said temporary accumulation rollers (30) is rotatable to wind in a cylindrical or similar shape said portions of given length of said tape elements (10) superimposed to form a cell of an accumulation device.

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général
• H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés

Abrégé

The machine for manufacturing storage devices comprises means for feeding (2) a plurality of tape elements (10), forming at least one anode, one cathode and one separating element interposed between said anode and cathode, to a group of temporary storage rollers (30) and means for cutting to size (9) of respective portions of given length of said tape elements (10) wound on said temporary storage rollers (30). A winding mandrel (41 ), having an axis of rotation parallel to the axes of said temporary storage rollers (30) is rotatable to wind in a cylindrical or similar shape said portions of given length of said tape elements (10) superimposed to form a cell of a storage device.

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général
• H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés