Abstract: A roll-forming machine has a stand (11) and a row of forming stations (12), which comprise frames (14, 15) for carriers (17, 18) of pair of rollers laterally displaceably mounted on the stand. An intermediate piece (16) is pivotally mounted on each frame for being pivoted about a vertical axis, and two carriers of a pair of rollers are separately laterally displaceably mounted on each intermediate piece. Each carrier of a pair of rollers comprises two axle pins for carrying a forming roller each and the two carriers of a pair of rollers have their axle pins directed towards each other.

Abstract: An apparatus for finishing products coming out from a folding and gluing machine of cardboard or paperboard products with a back, includes a longitudinal housing for advancing the products in rows, defined by two groups (40, 41) of circular motorized right and left belts. Each group (40, 41) being made of at least three belts. An upper belt (22, 24) and a lower belt (25, 27) are wrapped around pulleys with a horizontal axis and extending parallel to the direction of advancement of the products. A lateral belt (28, 29) is wrapped around pulleys with a vertical axis and extending parallel to the direction of advancement of the products. The belts of each group (40, 41) form among them respective “C”-shaped housing which make the lateral edges of the housing along and inside which the product advances, dragged by the belts.

Abstract: A tray forming apparatus forms a blank into a tray having a double glued side wall construction for providing a desirable strength to the tray. A platen drives the blank through a forming rails which fold the blank into a partially formed tray having bottom, end and side walls, and inside corner supports formed about the platen. The platen is retracted prior to folding arms further extended portions of the partially formed tray. A compression plate and the folding arms are biased against adhesive portions of the tray for forming a fully formed tray having a double glued side wall construction.

Abstract: A tray forming apparatus forms a blank into a tray having a double glued side wall construction for providing a desirable strength to the tray. A platen drives the blank through a forming rails which fold the blank into a partially formed tray having bottom, end and side walls, and inside corner supports formed about the platen. The platen is retracted prior to folding arms further extended portions of the partially formed tray. A compression plate and the folding arms are biased against adhesive portions of the tray for forming a fully formed tray having a double glued side wall construction.

Abstract: An apparatus for forming a tray from a blank of sheet material is provided. The apparatus includes a platen configured to move along a path between a first position and a second position to drive the blank downstream from the first position and a first folding arm configured to fold an outside corner support member of the blank to form the blank into a partially formed tray including at least a portion of the outside corner support member being substantially parallel to the bottom panel. The apparatus further includes a fixed plate and a movable plate spaced from and movable with respect to the fixed plate. The fixed plate and the movable plate define a passage therebetween. The fixed plate guides the outside corner support member through the passage to a position adjacent a side panel and/or an end panel.

Abstract: An apparatus automatically forms a paperboard blank into a container having a double glued side wall construction for providing an enhanced strength to the container. A platen drives the blank through mechanically powered forming rails for an initial folding of the blank into a partially formed container having a bottom, end and side walls, and inside corner supports. A compression plate and folding arms are biased against adhesive portions of the partially formed container for forming a fully formed container having a double glued side wall construction.

Abstract: Folding process of a blank of paper, cardboard, plastic, corrugated board or similar material used to carry out a folded box, the blank comprising a left longitudinal edge, a right longitudinal edge and from left to right, at least two respective longitudinal grooves delimitating at least two respective adjacent panels, the process comprising at least the successive following steps: a) folding at 180° of the panel around the longitudinal groove into a first folding device and formation of a longitudinal fold along the groove b) aligning of the said blank along the longitudinal fold into a main aligning device c) folding at 180° of the panel around the groove into a second folding device.

Abstract: A method of manufacturing a tampon applicator having a corrugated region, the method including the steps of: a) providing a tampon applicator having a first end, a second end, a length and a diameter; and b) forming a plurality of corrugations in the tampon applicator, the corrugations defining the corrugated region, each of the corrugations having a ridge and a trough.

Abstract: A box with gusseted corners includes a plurality of walls each connected to and extending generally upright from a base wall thereby forming the box and a plurality of corner gussets each extending between and strengthening adjacent walls. Each corner gusset includes a gusset corner formation (GCF) wall section foldably connected to and extending from one of the walls, the GCF wall section having a first fold extending generally parallel with the foldable connection to the one of the walls, the first fold dividing the GCF wall section into an upper portion and a lower portion, the lower portion extending generally perpendicular from the wall and the upper portion angled towards the wall to form an acute angle therebetween. Finally, the upper portion includes a glue flap section adapted for adhesive connection to the wall such that the upper portion and the lower portion of the GCF wall section cooperate with the wall to form one of the corner gussets.

Abstract: A process for making prefastened and refastenable garments includes providing a plurality of discrete articles with mating fastening components disposed in the waist regions. First fastening components are separated from one another by an initial transverse distance. The waist region containing the first fastening components is modified to transversely displace these fastening components to a post displacement distance that is not equal to the initial distance. The process allows for convenient alignment of the fastening components to form refastenable seams.

Abstract: A method and machine for producing a rigid packet of cigarettes from a flat, substantially rectangular blank; the blank has two main longitudinal crease lines, and a number of transverse crease lines defining, between the two main longitudinal crease lines, central panels having respective lateral wings; the flat blank is fed to a prefolding station where the lateral wings of at least one of the central panels are folded about the respective main longitudinal crease lines; and the blank is subsequently restored to the flat configuration before being fed to a follow-up folding station.

Abstract: A box with gusseted corners includes a plurality of walls each connected to and extending generally upright from a base wall thereby forming the box and a plurality of corner gussets each extending between and strengthening adjacent walls. Each corner gusset includes a gusset corner formation (GCF) wall section foldably connected to and extending from one of the walls, the GCF wall section having a first fold extending generally parallel with the foldable connection to the one of the walls, the first fold dividing the GCF wall section into an upper portion and a lower portion, the lower portion extending generally perpendicular from the wall and the upper portion angled towards the wall to form an acute angle therebetween. Finally, the upper portion includes a glue flap section adapted for adhesive connection to the wall such that the upper portion and the lower portion of the GCF wall section cooperate with the wall to form one of the corner gussets.

Abstract: A gluing machine has, for transporting the blanks therethrough a roller belt mounted upon a roller cheek and an upper belt mounted upon a roller rail, both the roller cheek and roller rail being shiftable transversely to the direction in which the blanks are conveyed through the machine. The roller cheek is coupled to the roller rail by an endless cable or belt which has a lower loop extending transversely below the roller cheek and an upper loop above the roller rail. The roller cheek is rigidly connected to one strand of the lower loop while one strand of the upper loop is clamped to the roller rail.

Abstract: A method of making a pleat in a sheet-like material comprising the steps of feeding a flexible and thin sheet-like material having a flat surface in a direction of an extended line of an imaginary straight line which is perpendicular to its one end and along the surface, left and right parts of the sheet-like material being conveyed at a substantially same speed at both sides of the straight line, the one end of the sheet-like material being of a flat form at a start of the feeding, the left and right parts of the sheet-like material being gradually reduced in distance therebetween and drawn near toward the straight line at the middle portion of the extended line so as to face with each other and diagonally cross the surface, and coming in contact with each other perpendicularly to the surface at the forward portion of the extended line, thereby to form the pleat, conveying the sheet-like material through the middle portion to the forward portion with the left and right parts gradually twisted in a direction

Abstract: A roller or belt correction device for lateral alignment, during converting, of partly folded workpieces in a folder-gluer, consists of a lower structure above which is mounted an upper structure pivoting in the horizontal plane. This upper structure comprises a row of conveying elements which are in contact with the lower plane surface of the workpieces and which are driven by a distinct means at adjustable speed. The device comprises a guiding element which is parallely movable to a axis materializing the initial virtual line against which the workpieces have been previously supported in their upstream conveying path before being rotated in a conveying device.

Abstract: A method and apparatus for producing a gusseted container, which method includes the steps of feeding unfolded, corrugated paper, die cut blanks sequentially from the feed module of a corrugated paper box folding apparatus through the prefold, fold and final fold modules, applying glue to the die cut blanks, creasing three gusset areas of the blanks, gathering and pleating the gusset areas, folding a panel tab against the adjacent blank panel, pressing the folded gussets and panel tab against the glue on the blanks and folding the blanks and panel tab to define the gusseted container.

Abstract: A device for folding paperboard blanks, the device including folding rails for supporting the blanks traveling through the device which define a path of travel for the blanks and a conveyor for conveying the blanks through the device. The device further includes a first operator side elongated helix folding assembly rotatably supported at each end, a second operator side elongated helix folding assembly rotatably supported at each end and aligned with the first operator side helix folding assembly, a first drive side elongated helix folding assembly rotatably supported at each end, and a second drive side elongated helix folding assembly rotatably supported at each end and aligned with the first drive side helix folding assembly. Actuators are connected to the ends of each second helix folding assembly for translating the ends either toward and away or above and below the blank path. A servo motor having a resolver may be connected to each helix folding assembly for rotating it to fold the blanks.

Abstract: A tray forming apparatus and method are provided which advantageously increase the efficiency and production speed of tray-type containers formed thereby. The apparatus preferably includes a loader for loading one of a plurality of blanks to be transported along a predetermined path of travel and front and rear panel lifters positioned downstream from the loader for foldingly lifting front and rear panels of the one blank upwardly and inwardly during travel along the predetermined path. Adhesive applicators preferably are positioned adjacent the folders for applying adhesive only to selected portions of the folded front and rear panels of the one blank. Side panel folders are positioned downstream from the front and rear panel folders and the adhesive applicators for folding side panels of the one blank upwardly and inwardly into abutting contact with the selected portions of the folded front and rear panels having adhesive applied thereto.

Abstract: A process and apparatus for sealing cartons. Cartons are conveyed past one or more sealing bars which yieldingly apply pressure to a sealing area thereof. The bars are adjustable to a predetermined pressure by adjusting the length of the spring between the bars and a base. The bars are, therefore, preferably spring biased.

Abstract: An article of manufacture, such as letter envelopes, paper bags, shipping uches, and the like is manufactured continuously on a production line that includes a back folding or so-called zig-zagging station which folds back one of the bottom flaps, first in a direction opposite to the continuing feed advance and then in the direction of the feed advance, whereby the formation of so-called bed bottoms or stand-up bottoms for these articles is facilitated. A cross strip (43) of a front or back portion of the article and respective precreases are used as a folding arm and fold lines in the formation of the zig-zag fold.

Abstract: Unitary blank includes a shroud blank and a tray blank connected by webs therebetween. The unitary blank is folded along a first line of demarcation so that the web overlaps the shroud blank, then along a parallel second line of demarcation so that the tray overlaps the web and the shroud. End portions are then folded toward a center line running perpendicular to the lines of demarcation to form a unitary preform for a two part shipping and display container. According to one embodiment the tray blank is provided with handles and the unitary blank is folded so that the tray blank is outside the shroud blank.

Abstract: A plough for closing carton flaps, particularly major carton flaps and a process for making the plough. The plough is designed to cause the flaps to close at or near constant velocity so as to minimize disruptions on the manufacturing line. The plough is prepared by generating data describing the coordinates of a flap as it closes at or near constant velocity, using the data to generate additional data describing the contour of a plough necessary to close the flap at or near constant velocity, and causing the plough to be fabricated utilizing the contour data.

Abstract: On a packing line for producing twin packets, collars are fed successively by an oscillating conveyor arm into respective conveyor seats, each for housing two side by side half packets; the conveyor arm presenting two telescopically connected portions in turn presenting respective gripping members cooperating with respective main panels of the collar and the two telescopic portions being movable in relation to each other for folding accordion-fashion a central portion of the collar interposed between the two main panels.

Abstract: The blanks (1) are withdrawn one after another from a storage part (20) by transfer means (21) and are disposed on the cylindrical support surface of a drum (3) driven rotatingly by portions of a revolution. Various processing operations are performed on the blanks either while the drum is rotating or while it is stopped, e.g., folding a flap (16), gluing this flap to a surface portion (15) of the blank, or printing a code (17) on part of the blank. The presence, correct positioning, and proper alignment of the blank on the drum are checked before the aforementioned operations are carried out. After they have been effected, the blank is withdrawn from the drum to be sent on to a packaging machine. The processing apparatus and method can be utilized on a line for processing boxes or the like, particularly cigarette boxes, just before they are assembled to receive their contents.

Abstract: An apparatus for squaring folded corrugated paperboard boxes and the like includes a frame, an upper drive assembly and a lower roll assembly. The upper drive assembly and lower roll assembly define a split-nip. The upper drive assembly includes a pair of independent wheels which may be controlled to adjust or change the orientation of a folded corrugated box passing through the nip. The upper drive assembly is pivoted to the frame for adjustment of the nip. The apparatus is positioned to deliver folded corrugated boxes to a counter/ejector from a folder/gluer.

Abstract: A carton folding apparatus which is characterized by multiple folder/gluer modules, including a feed module for receiving and delivering unfolded cartons, prefold/fold, fold and final fold modules for effecting specified folding and gluing operations, a delivery module for completing the folding operations and further including a stacker unit for receiving and stacking the folded and glued cartons. Each of the folder/gluer modules is capable of being removed from the apparatus line and is characterized by separate, independently driven upper and lower belt feed mechanisms for driving the cartons through that module.

Abstract: Apparatus is shown for preforming a rounded-corner C-shaped innerframe for use in a rounded corner cigarette pack. Contoured rollers are used to preform the rounded corners in the innerframe.

Abstract: In the production of (cigarette) packs of the hinge-lid type, supplying a sufficient amount of material to the packaging machine presents a particular problem. In an advantageous solution, blanks (20) for producing the packs are severed from a continuous web of material (24) with punchings for delimiting the blanks (20) and further processed within the packaging machine. For the efficient production of (individual) blanks from the continuous web of material (24), the latter is fed to a blank station (26), in which preferably two respective blanks (20a, 20a) lying next to one another are severed by shearing from the following web of material (24) and from one another by means of severing rams (29). The two blanks (20a, 20b) so formed and individually separated are then fed to a folding turret (40), specifically appropriately with an intermediate conveyor in the form of a rotating blank turret (43) being interposed.

Abstract: The present invention relates to a folding device in a corrugated cardboard box making machine which is capable of adapting to a thickness of a corrugated cardboard sheet by regulating a space between a folding belt and an upper guide, and also capable of accurately making folding width of the corrugated cardboard sheet by regulating the position of a gauge belt. Having main transporting means for simultaneously positioning the folding belt, upper guide and gauge belt, the device is provided with an upper guide transporting means for independently regulating the position of the upper guide and a gauge belt transporting means for independently regulating the position of the gauge belt. The device is further provided with a control means for controlling the drive means and the gauge belt transporting of the upper guide transporting means.

Abstract: A corner forming unit of a package forming machine which employs an H-shaped guide over which the packaging material passes after it has been longitudinally sealed. A pair of rollers outside of the tube of material forms the edges of the packaging material into the H-shaped guide to form the corners of the material from which individual filled rectangular packages will be formed.

Abstract: A method of forming a basket-style carrier in which a securing strip (16d) provided at a free end portion of a base panel (16) of the carrier is inserted into a space (42) created between a side wall (14a) and partition panels (14d) associated therewith so that the securing strip is secured to an inner face of that side wall internally of the carrier.

Abstract: A machine for forming open ended cartons from flat die cut blanks of flexible material. The machine includes a magazine adapted to contain a supply of the blanks, and first, second and third forming stations through which the blanks are successively shifted by automatically operable transfer mechanisms. The blanks are progressively folded as they progress through the forming stations. At a final stage in the forming process, adhesive is selectively applied to the undersides of exposed side flaps, and these side flaps are then folded to produce the desired end product. At various stages during the forming process, the partially erected blanks are supported both internally and externally in order to avoid deformation or collapsing of open ends, and to insure precise bending along fold lines.

Abstract: A forming apparatus for shaping a workpiece made from malleable metal strip driven through the apparatus comprises a main frame on which are mounted driven bottom rollers for driving and supporting the workpiece through the apparatus and top rollers pressing the strip against the bottom rollers. The top rollers are mounted on side sub-frames which are traversible towards and away from the longitudinal center-line of the apparatus and which carry forming tools. The subframe may carry forming rollers mounted in cylindrical carriers which are themselves rotatably mounted end to end in support tubes extending parallel to said center-line and are rotationally adjustable independently of each other, for example to allow the amount of angular deformation of the strip to be adjusted without necessarily changing the forming tools. Bars provided to effect bending may be readily adjusted for size variation.

Abstract: A flange folding machine for folding the distal end of the flanges of a blister package or the like inwardly upon the proximal ends thereof to form closure panel receiving channels. The machine comprises, a plurality of carriers mounted on a conveyor for continuous movement through a folding station, a side flange folding mechanism, a first heater located in close proximity to each first fold line and being operable to heat the side flanges to a sufficient extent to render them formable. The mechanism may also include a leading end flange forming mechanism for folding the distal end portion of a leading end flange inwardly upon the proximal end portion thereof along a transverse foldline. The leading end flange forming mechanism comprises a second heater which is mounted on a carriage which is slidably mounted for reciprocating movement in the folding station to and fro along between a forward position and the retracted position.

Abstract: In an in-line converting machine, flat carton blanks are thrust into a rotary former. The former includes a mandrel over which the carton is partially formed as the former rotates through 180.degree.. Thereafter, the carton is thrust off the former by a kicker bar and into a hopper where the carton nests with previously-formed cartons. The nesting cams the glued carton panels together, thereby completing the formation of the carton.

Abstract: An improved crash-lock carton forming apparatus having three carton forming stations (44, 60 and 80). The first station (44) has engagement means comprising a pair of transversely spaced lifting arms (45, 45a) for lifting two flaps (20, 21) of the carton (12) and folding the flaps against side panels (14, 15) of the carton (12) and ploughs (49, 49a) for folding connector tabs (24, 25) in the reverse direction to that of the panels (14, 15). Second station (60) downstream of the first includes engagement means comprising lifting arms (61, 61a) for lifting and folding flaps (19, 22) in the same direction as the first two flaps (20, 21). A bonding station is adjacent the second station (60) for applying bonding agent to the tabs (24, 25). The third station (80) lifts and folds the remaining two flaps (19, 22) against associated ones of the side panels (13, 16). First and second holding and conveying means (51, 52 and 70, 71) for conveying the blank (12) through the apparatus.

Abstract: For filling and closing cartons, the latter are filled via the open bottom and then conveyed along an angular transport track. Fixed folding means for folding inner tabs (15 to 18) and outer tabs (19 to 22) solely as a result of the relative movement of the carton are located in the region of two conveying stages (42, 62). In the region of the second conveying stage (62), the carton has a relative position which has turned through 180.degree..

Abstract: A folding device for imparting a folding habit to the opened top of a carton comprises a frame which is connected to a shaft for moving the frame upwardly and downwardly. A pair of squeezing plates are secured to the frame. The squeezing plates have oppositely tapering lower portions and parallel upper portions. A deforming plate having oblique edges is movable between the upper portions of the squeezing plates and is connected to the frame by a resilient mounting which permits upward relative movement of the deforming plate with respect to the squeezing plates. The lower edge of the deforming plate includes upwardly and outwardly extending edges for spreading opposite edges of a carton. The squeezing plates are used to squeeze opposite sides of the carton together so that the carton top can ultimately be closed.

Abstract: Apparatus for forming a flip top carton wherein the top of the carton has a front flap and side flaps, each having a lower section folded upon the body of the carton and a middle section folded on the lower section. The apparatus has a former associated with a conventional cartoning machine which projects into an erected tubular carton spreading the front and side flaps while inwardly pressing the top portion of the carton to fold the lower section on the top portion of the carton and the middle section on the lower section to form a collar. The apparatus further includes a glue station for applying glue to the internal surfaces of the overlying middle and lower sections. The apparatus further includes compression sections for pressing the lower and middle sections to which glue has been applied together to complete the formation of the collar.

Abstract: A device for bending down and sealing triangular lugs that are formed on the top of a cardboard carton includes a conveyor for moving cartons in a running direction with the cartons having outstretched lugs. A plurality of clamp sets are connected to the conveyor which each include a base plate to which is connected a vertically downwardly extending pushing plate that pushes the cartons. Two or more spaced apart clamp members are movable on the base plate for movement toward each other and away from each other. A driver on the base plate has a cam follower and cooperates with a clamping cam to move the clamp members together and apart. A hot air blower is provided for blowing hot air against the undersurfaces of the lugs and side surfaces of the carton which are partially fused. A push up bed is used to push a carton up between the clamp members to bend the lugs down to sides of the carton.

Abstract: A paperboard tray forming machine is disclosed which is designed for forming a paperboard tray from a flat production blank. The paperboard tray has front and rear end panels hingedly attached to side panels by means of folded gusset corner panels. The tray further has folded over corner flaps hingedly attached to the gusset panels and upwardly turned top flaps hingedly attached to the front and rear end panels. The machine is formed in a plurality of stations designed to take a paperboard flat production blank from a hopper and to fold the tray into the finished shape through a series of folding and glueing stations in the machine. The path of travel through the machine is in a generally U-shape. The various folding and glueing stations are positioned around an endless traveling conveyor having a plurality of mandrels attached thereto. The carton blank advances first in one direction and then turns in a U-shaped path and advances in the opposite direction.

Abstract: An apparatus and method for erecting a rectangular carton from a flat blank. The apparatus features:a pair of parallel guide rails, one of which is elevated above the other;a hopper, located at one end of the guide rails, for holding a stack of blanks between the guide rails, so that the bottom blank of the stack is on the guide rails and is upwardly inclined in the cross-direction of the guide rails with the foldably connected edges of its side panels extending in a direction parallel to the guide rails; anda pair of suction cups that are located adjacent the other end of the guide rails and that can fold an upwardly inclined blank on the guide rails; the suctions cups being adapted to hold by suction two adjacent side panels of the blank, that are contiguous to the lower guide rail and on vertically opposite sides of the blank, and to rotate in opposite directions about the lower guide rail until the suction cups are 90.degree. apart, so that the two adjacent side panels are folded 90.degree.

Abstract: A machine, having a split mandrel and H-blank feed and fold means, for making a corrugated or fiber board H-divider in a single cycle of operation by feeding, erecting and gluing the H-blank upon itself within the mandrel gap. The vertical divider panels of the H-piece are folded by the fold means at the bottom along a hinge line of the H-blank that preferably includes two spaced crush score line areas interrupting a slit score line.