Abstract: The present invention relates to a catheter and a process for manufacturing a radially extending opening in tubing for a catheter. The tubing having at least one lumen being enclosed by at least one tubing wall and the process comprises placing tubing in a fixture, applying force to the tubing and thereby fixing the tubing in the fixture in a position for making an opening, pressing a heated depression tool against the surface of the tubing creating a depression area in the at least one tubing wall, and punching an opening cutting tool through the at least one tubing wall within the depression area creating an opening in the depression area of the at least one tubing wall, the opening extending from the exterior of the tubing to the lumen of the tubing.

Abstract: A snap fitting for use in plumbing is provided. The snap fitting includes a main body formed of plastic and shaped to extend partially around a cylindrical pipe to snap over the pipe and an inset for extending from an interior side of the main body into a hole in the cylindrical pipe.

Abstract: A pleated filter preparation system is provided for accurately counting pleats along a continuous sheet of pleated filter material and cutting the sheet into filter strips to be formed into filters. The pleated filter preparation system includes a pleat driver having multiple drive gears that engage with the pleats of the pleated filter material to move the pleated filter material through the system. A pleat counter counts peaks and valleys of each pleat comprising the pleated filter material so as to identify a target pleat to be cut. The pleat counter clamps and stretches the target pleat to distinguish the target pleat among the other pleats. A punch cut station cuts the target pleat to form a filter strip having a desired number of pleats. A pleat compressor compresses the filter strips to a predetermined size and then ejects the filter strips into a suitable container or bin.

Abstract: A drum covering for a drive drum (21) in a corrugating machine has a textile carrier material that reversibly shrinks when heated up, said carrier material being coated on at least one side with a coating material. Furthermore, it has two rectangular regions (71, 72) that are each connected to a convexly deltoid-shaped region (6) on a narrow side. Sets for producing the drum covering contain several covering pieces. A drive drum provided with the drum covering can be produced by the central axis (M) of the convexly deltoid-shaped region (6) being arranged along the circumferential central axis of the drive drum (21). Then, the convexly deltoid-shaped region (6) is fixed on the drive drum surface by means of at least one fixing element. The drive drum (21) is rotated, wherein the rectangular regions (71, 72) of the drum covering are wound around the drive drum (21) in a spiral-shaped manner.

Abstract: A filter media in which larger corrugations are impressed or embossed onto media that has been previously corrugated with standard corrugations. This construction greatly increases the beam strength of a resulting pleat that allows the channels to remain open during processing into the pleated media, and prevents buckling of the media duping gathering on current pleating equipment. In addition, once the media is pleated, the larger corrugations or embossments, combined with the standard corrugations, create large channels for fluid flow from pleat tip to the base of the pleat.

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: An article of manufacture is provided. The article of manufacture includes a sheet of foldable material. The sheet of foldable material is configured to be folded a first way to form a package for an object. The sheet of foldable material is configured to be folded a second way to form a supplementary structure for a light source.

Abstract: A wrapper (40) comprising a film (41) having a plurality of reinforcing tear strips (42a, 42b) extending at least partially across the film Each tear strip includes a tab portion (45a, 45b). The wrapper (40) is configured such that pulling the tab of a first tear strip causes a tear to propagate through the film (41) to separate a first portion of the film attached to the first tear strip, from the remainder of the film Pulling the tab of a second tear strip causes a second tear to propagate through the film to define a second portion of the film attached to the second tear strip. The second portion of film attached to the second tear strip comprises the remainder of the film once the first portion is removed with the first tear strip. Also, an apparatus and method for manufacturing such a wrapper.

Abstract: An insulating cup including an essentially liquid-tight inner cup and an outer sleeve enveloping the inner cup at least in sections, with the outer sleeve including a blank made of paper material and an insulating layer applied on the paper material. The insulating layer is applied merely on a partial section of the blank, wherein an overlapping region of the blank, in which region the outer sleeve has a material thickness at least twice the thickness of the paper material, is not provided with the insulating layer.

Abstract: A sleeve for jacketing a container such as a beverage cup, where the sleeve is assembled by cutting and folding from a unitary flat panel, the sleeve having no outwardly projecting flaps or ridges. Inwardly folding flaps adapt themselves to the taper and diameter of the cup. Multiple layers of material thickness in the sleeve may be realized using the templates and folding methods of the invention, and the sleeve is printable on either or both sides so that decorative or commercial indicia may be displayed according to the end user's needs or wishes. The invention finds use in making printed insulative sleeves having logos and other customized indicia, and may be folded according to the methods of the invention by the supplier or by the user of the sleeve.

Abstract: The subject matter of the invention is a container with flexible wails. The container includes an opening provided with means for keeping it open, said means having two flexible elongate elements connected at their ends by a first articulation and a second articulation. The first and second articulations are configured to bring the two flexible elongate elements one against the other in a first configuration and to separate the two flexible elongate elements in a second configuration. In the second configuration, the two flexible elongate elements are turned over on themselves with respect to the first configuration. The two flexible elongate elements are at least partially formed from a flexible band, and the first articulation includes a cut in a pail of the thickness of the band, said cut being oriented towards the outside of the container in the first configuration.

Abstract: The present invention relates to a method for producing a hollow fiber membrane sheet-like object including: a connecting process of forming a ring-shaped section by winding a hollow fiber membrane capable of being continuously supplied, around two or more rolls so as to surround the two or more rolls and connecting a leading end portion of the wound hollow fiber membrane and an adjacent hollow fiber membrane, or of putting a ring-shaped section created in advance, on two or more rolls, and connecting a leading end portion of a hollow fiber membrane capable of being continuously supplied, to the ring-shaped section; a winding process of winding the hollow fiber membrane around the rolls by moving the leading end portion of the hollow fiber membrane by rotating at least one roll of the two or more rolls; a fixing process of forming a fixed section by fixing the hollow fiber membrane wound around the two or more rolls, into the form of a sheet in a width direction; and a cutting process of performing cutting-ou

Abstract: A gripping sleeve for a beverage cup is disclosed. The beverage cup has an outside surface which is tapered from a smaller diameter to a larger diameter bottom to top. The gripping sleeve has an open web of material defining an expandable tube having an inner cup side surface conformable to said outside surface of said beverage cup, and an outer gripping surface, and the tube expands to a maximum tube diameter. The maximum tube diameter is smaller than the larger cup diameter but larger than the smaller cup diameter. The open web is formed from a plurality of strips of material joined together which are oriented generally radially, when viewed from above, between the inner cup side surface and the outer gripping surface. The gripping sleeve provides a gripping surface for a person holding the cup which is spaced apart from said outside surface of said cup.

Abstract: A package assembly (10) provides for enclosing an array of aligned products (14) with a slidable sleeve (16) for removing the product. The package assembly includes a product packet (12) and a sleeve. The product packet encloses an array of aligned products and the packet conforms to the configuration of the product array. The sleeve has at least one open end slidably insertably and removably accommodating the product packet therein. The slidable removal of the packet from the sleeve opens the product packet.

Abstract: The device to position tubular winding cores on a common supporting and rotating shaft comprises: supporting members for said shafts AS and gripping and handling members 23A, 23B of the winding cores A parallel to the axis of said shaft AS.

Abstract: Novel dispenser means are provided for mixing and dispensing two-part curable compositions wherein the mixer elements are isolated from the curable components.

Abstract: A method and apparatus for making a stepped end on a tube of flexible material includes a tube slitting station having a slitting tool with double edge slitting blades penetrating through the tube to provide respective slits beside a first panel and beside a second panel, respectively; a first trimming station trimming a first panel of the tube to a first shortened length, a second trimming station trimming the side gussets to a second length, wherein the second length is longer than the first shortened length of the first panel; and an adhesive applying station applying adhesive on the tube above and below a fold line across the tube, wherein the tube is adapted to be folded along the fold line, and the adhesive material is adapted to form an adhesive to adhesive seal above and below the fold line while the tube is folded to provide a closed stepped end for a bag.

Abstract: A cup sleeve includes a planar sheet of material that defines a first support member, a second support member, a third support member, a fourth support member, a first ledge member, and a second ledge member. The first support member is adjacent to the first ledge member and the second ledge member. The second support member is positioned substantially opposite to the first support member and is adjacent to the first ledge member and the second ledge member. The first support member and the second support member are configured to rotate to follow an outer contour of a cup when the cup is inserted into a center region of the sleeve in a direction that is normal to a plane defined by the sleeve in an unassembled configuration. The first ledge member and the second ledge member are configured to stay in substantially the same plane as the plane defined by the unassembled sleeve when the cup is inserted into the center region of the sleeve.

Abstract: Procedure for the manufacture of a tube (1) made of a flexible material and comprising a skirt (3) and a head (10), in which a unit (2) formed by the skirt (3) and an appendage (4) is disposed or manufactured in an injection procedure, the appendage (4) totally or partially closing one end of the skirt (3) and comprising the injection point(s), in which the appendage (4) is cut totally or partially, and the cut part is removed, and in which the head (10) over-moulded on any area of the part of the unit (2) formed by the skirt (3) and appendage (4) that remains once the cut part has been removed. The appendage (4) offers several advantages, such as improving the finish of the over-moulded head (10) or, in the event of the unit (2) being manufactured, easing the removal of said unit (2) from the mould.

Abstract: A bumper pad for use in cushioning and protecting packaged articles is provided. The bumper pad is made primarily from paper and comprises an arced top member glued or otherwise affixed to a flat base along longitudinal edges. The bumper pad can be placed around the packaged article between the article and the outer packaging, which can be a cardboard sleeve, stretch wrap film or other packaging material. The arced top member preferably is formed using a linear draw process.

Abstract: An adjustable sleeve is disclosed that employs a pivot region which allows rotation of the first end of the sleeve relative to the second end of the sleeve. Rotation about the pivot region allows the sleeve size to adapt to many different sizes and tapers of containers. Rotation results in increasing a diameter of the top of the sleeve and decreasing a diameter of the bottom of the sleeve, and vice versa.

Abstract: The present invention is a dispensing tube made from a single machining process, which utilizes novel tooling to create interlocking components directly on the existing surface of a toothpaste tube. In other embodiments, various interlocking and clip-on components may be utilized to create a dispensing tube that more efficiently extracts a viscous substance as the tube empties.

Abstract: A plastic reinforced, gusseted pinch bag. The bag is preferably formed from a sheet of clay coated kraft paper. High quality graphics may be printed on the clay coating. A plastic matrix is laminated to the exterior of the sheet which is then formed into a gusseted tube and separated into sections. Each section is then closed at one end to form bags. The plastic matrix on the exterior of the bags will protect them from tears and punctures and help prevent spreading of any tears that may form. Additionally, the matrix and the adhesive used to laminate the matrix to the sheet will form a plastic coating on the exterior of the bags which will make the bags more resistant to moisture. The preferred adhesive and matrix will be transparent or very nearly so, allowing the graphics on the bags to be viewed without obstruction.

Abstract: An apparatus and method for automatically folding a sheet of media, for example, a photographic paper about a fold line, such that an album page is formed. The photosensitive media has images only on one side. A heat activated adhesive sheet is provided between the sides of the photographic paper during folding. The adhesive sheet when exposed to heated and pressure rollers, will cause the sides of the photographic media to be secured to form a single album page.

Abstract: Method for producing cardboard tubes by winding a plurality of ribbons (U, L) onto a spindle (1), a preset number of said ribbons (U, L) being glued in correspondence of the lower surface thereof, characterized in that a predetermined amount of supplementary quick setting glue is applied on the lower surface of the last ribbon (U) destined to be wound on the spindle (1), in proximity to at least a longitudinal edge (BU) of said ribbon (U) forming a corresponding stripe of quick setting glue (G) astride of a section (ST) of the same ribbon interested by a subsequent cutting action executed downstream of the spindle (1).

Abstract: A sheet punching and embossing machine includes a device for punching blanks from sheets. The device has a frame and a bearing plate is mountable in the frame. The bearing plate is equipped with punching and grooving knives. Hydraulically activated clamping elements are provided for clamping the bearing plate in the frame. A hydraulic system includes a piston braced by a mechanical spring for building up hydraulic pressure for activating the clamping elements.

Abstract: The present invention relates to a method of manufacturing thin-walled containers from film web. The method includes the steps of: manufacturing a tubular structure from at least one film web; forming at least one fold projecting into the tubular structure; and ultrasonically joining sections of film webs of the folded tubular structure lying flat and parallel on top of one another to form the containers. The invention also includes an apparatus for carrying out the method of the invention.

Abstract: A method and apparatus for creating a hinge on a corner edge of a rectangular tube as well as a tube so produced is provided in which a roller having a line defining a diameter of the roller at approximately 45° from a line defining a planar surface of the rectangular tube, a pivot axis of the roller being oriented to permit the roller to roll longitudinally down a length of the tube. The roller comprises a v-shaped indent disposed radially around its outer periphery and a groove located at an apex of the v-shaped indent. Pressure is applied by the roller against the tube in a radial direction of the roller, thereby contacting a corner edge of the tube with the groove to stress tube material at the corner edge. A relative movement is induced between the roller and the tube in a longitudinal direction of the tube, thereby creating a hinged corner edge of the tube.

Abstract: There is provided a paperboard tube structure with an intermediate ply having cut-and-folded tabs to increase the effective thickness of the intermediate ply. The paperboard tube includes a plurality of paperboard plies wrapped one atop another about an axis with the intermediate ply positioned between an interior paperboard ply and an exterior paperboard ply. A plurality of cut-and-folded tabs are each created by a nonlinear incision in the intermediate ply that extends from a first endpoint to a second endpoint thereby creating a folding axis along a line from the first endpoint to the second endpoint. The tab is folded about the folding axis to overlie a region of the intermediate ply adjacent the folding axis. The tabs increase the effective thickness of the wall of the paperboard tube.

Abstract: There is provided a paperboard tube structure with an intermediate ply having cut-and-folded tabs to increase the effective thickness of the intermediate ply. The paperboard tube includes a plurality of paperboard plies wrapped one atop another about an axis with the intermediate ply positioned between an interior paperboard ply and an exterior paperboard ply. A plurality of cut-and-folded tabs are each created by a nonlinear incision in the intermediate ply that extends from a first endpoint to a second endpoint thereby creating a folding axis along a line from the first endpoint to the second endpoint. The tab is folded about the folding axis to overlie a region of the intermediate ply adjacent the folding axis. The tabs increase the effective thickness of the wall of the paperboard tube.

Abstract: A folder includes a first cutting device for partially cutting a web of material, a former to fold the web of material, so as to form a folded web, a stationary signature opening device located between sides of the passing folded web, and a second cutting device located downstream from the former to cut the folded web into an at least one signature. A related collating device is also provided.

Abstract: A multi-ply composite container for consumer products with at least one region of weakened strength and method for manufacturing same is provided. The composite container includes a multi-ply composite tube having a tubular body ply, a liner ply adhered to the inner surface of the tubular body ply and a label ply adhered to the outer surface of the body ply. The composite container also includes at least one circumferential score line in the multi-ply composite tube through the label ply and the body ply. The container and method overcome limitations imposed by conventional composite containers by providing a composite container which provides for easy opening, better consumer access, resealability, storage for left over food product, and easier consumer recycling.

Abstract: The disclosure relates to a packaging container for long-term cold storage of liquid foods for retaining superior flavor and aroma properties in the packed product, and produced from a packaging laminate including a core layer of paper or paper-board, an inside aroma barrier layer of PET and a gas barrier layer, by fold formation and sealing of a planar packaging blank so that all contact surfaces vis-a-vis the packed product consist of the PET layer. The disclosure also relates to a method of fold forming and sealing the packaging laminate into a packaging container according to the invention. Good shelf-life after cold storage for at least six weeks at 8° C., or at least 10 weeks at 4° C. will be attained using the packaging container according to the invention.

Abstract: Tampon applicator for feminine hygiene, comprising a cylindrical applicator barrel of paper-like material, having a front end comprising segments which are bent forwards and inward with respect to the longitudinal center axis of the applicator barrel, forming a dome whereby a weakening of the segments is provided for reducing their resistance to a spreading movement of the segments during the pushing out of a tampon from the applicator barrel. The bases of the segments are formed by the front, solid-cylindrical end of the applicator barrel and the weakening of the segments is provided on the inner surface and at an axial distance from the base of the segments. The tampon applicator reduces the ejecting pressure by means of the predetermined breaking lines at the inner surface of each segment while the smooth outside of the segments reduces irritations when in use. Additionally, the invention relates to a process and an apparatus for manufacturing said tampon applicator.

Abstract: There are disclosed methods of making drinking pouches constructed from at least two panels of flexible laminate web material, at least a first panel thereof having a structural layer (21), a barrier layer (22) and a sealant layer (23), the sealant layer having a first thickness. An exemplary method comprises the steps of punching a hole (19) through the first panel, extruding molten sealant onto the sealant layer (24), thereby occluding the hole, colling the first panel and joining the panels together to thereby form a drinking pouch.

Abstract: A machine for variable color-coding and variable length cutting of tubes dynamically and on demand is described. The machine preferably includes a tube feeder for moving tubing through the system, a color-coding unit for applying a desired color code to the moving tube, a cutting unit and a programmable control unit. The programmable control unit which operates the color-coding and the cutting units uses a known speed at which the tube is moving through the system to compute the times at which to activate and deactivate those units and thereby generate tubes having the desired color-codes and lengths.

Abstract: In an apparatus for making plastic bags from a web material comprising two or more layers of plastic film, the material is intermittently fed for a length along a longitudinal feeding path, to successively make plastic bags with wastes, each of the wastes having upstream and downstream edges. The apparatus includes partially cutting means disposed at a first station predetermined along the feeding path. The material is partially cut by the partially cutting means along the upstream and downstream edges of waste whenever intermittently fed and temporarily stopped. The apparatus further includes waste removing means disposed at a second station predetermined downstream of and at a distance from the first station. The waste reaches the second station when the material is intermittently fed again after partially cut by the partially cutting means. In addition, the apparatus includes discharge means disposed at a third station predetermined downstream of and at a distance from the second station.

Abstract: In an automatic filling and closing process for flexible package in which a film is supplied while being longitudinally fused, and the respective steps of filling the longitudinally fused film with contents, laterally fusing the film and cutting the laterally fused area are performed, a slit or a hole is intermittently formed in the supplied film, at a site from unwinding of the film to the longitudinal fusing, during interruption of the supply of the film in the steps of lateral fusing and cutting, and an opening fusing tape is placed over the slit or hole to weld around the perimeter of the slit or hole, thereby obtaining a tape-sealed bag which is easily openable in an opening direction approximately parallel with the laterally fused area.

Abstract: The present invention discloses an improved, cylindrical, paperboard collar for placing around a specialty sandwich such as a multilayer hamburger or such. The collar blank is cut from flat paperboard stock in the form of an elongated rectangle which is folded back over itself having its free ends adhesively attached to one another whereby the resulting flat preform may be expandingly opened to form a cylindrical configuration. Two tongue like locking tabs are cut into the paperboard surface which when the preform is expanded to form an upright cylinder the tabs act to maintain the open cylinder.

Abstract: The embossing process is effected between a pair of embossing rollers provided with toothings of the same kind which comprise rows of pyramidal teeth extending in the axial and the circumferential directions. Compared to the theoretical pyramid shape, the heads of the teeth are flattened while the edges of the pyramids are cut. The rollers, which are mutually displaceable in the axial direction, are thus able to catch in a stable mutual position of maximum penetration and to remain in this position in operation. This allows a safe mutual synchronization of the rollers and an optimal embossing of any kind of materials, especially of paper foils.

Abstract: An easy-open container has a spirally-wound paperboard bodywall layer, interior barrier liner layer and outer label layer forming as easy-open seam extending spirally between the ends of the container. Easy-opening of the container is enhanced by the provision of pull tabs formed by superimposed and bonded longitudinal edge portions of the bodywall layer and label layer and an easy-open panel formed by diverging lines of score cuts formed in the bodywall layer to initiate and aid in easy-opening of the container along the spiral seam.

Abstract: A conical hollow tube body of paper or another organic molding material is made by forming a conical hollow tube body member having a narrow end and a wide end, and producing a spacing formation by making at least one dimple on an inside in the area of the narrow end by forming a projection in a wall of the body member immediately upon completion of the body member from an outside of the latter.

Abstract: The present invention is directed to a method for preparing cylindrical members for paper containers having a thermoplastic resin layer as the innermost layer by cylindrically forming a preform sheet made up of a laminate comprising at least a paper layer and the thermoplastic resin layer, the laminate is arranged so that the thermoplastic layer becomes the innermost layer of the paper containers and is selected from the group consisting of polyesters and ethylene/vinyl alcohol copolymers. The method includes the steps of folding the innermost layer along one edge of the preform sheet back over itself, irradiating the folded edge and another edge of the preform sheet both of which are made of the thermoplastic resin layer of polyesters or ethylene/vinyl alcohol copolymers using a carbon dioxide gas laser irradiation, thereby softening or melting the thermoplastic resin layer, overlapping the irradiated edges, and pressing the overlapped portion to seal the thermoplastic resin layers together.

Abstract: An easy-open, spiral wound container for packaging refrigerated dough products includes a spirally wound fibrous core layer, forming an unbonded spiral butt joint. The container also includes an inner liner layer and an outer label layer, each having a seam. The outer label layer is weakened along the butt joint to facilitate opening of the container. An end closure member seals an end of the container.

Abstract: Bend lines on packaging material are obtained by creasing, which results in crease lines which are raised on one side of the material. According to the invention the raised parts of the crease lines are removed by mechanical processing, such as by milling, considerably increasing the crease lines' weakening effect on the packaging material and facilitating subsequent bending of the material.

Abstract: A method for manufacturing a liner for a waste container is provided, comprising the steps of extruding a flexible envelope, the envelope having ends; flattening the envelope so as to form a top side and a bottom side; cutting a lengthwise slit in the top side of the envelope substantially along the centerline of the envelope; sealing the ends of the envelope; folding the envelope along the centerline; and rolling one end toward the other to form a rolled bundle. A waste container liner may be formed by this process, comprising a flexible envelope including a top side; a bottom side; first and second ends; gusseted side panels connecting the top side and the bottom side; a lengthwise slit in the top side between the first and second ends substantially along the centerline of the envelope; and wherein the top and bottom sides are sealed together at the first and second ends.

Abstract: A method of manufacturing a yarn carrier designed to accommodate the tail of the yarn to be wound therearound without severing. A tube is wound from paper and a portion severed therefrom, producing a burr. A subsequent grinding operation removes the burr, and forms a beveled region having loose fibers to cushion the yarn against a winding mandrel.

Abstract: The invention relates to an apparatus for making frustum of cone shaped fibre barrels, comprising a substantially frustum of cone shaped drum (1) which is associated with driving means able of rotating the drum about its axis comprising means for removably holding a paper sheet to be processed. On this drum operate paper sheet pressing means and upstream of the drum there is provided a paper sheet supplying roller (8), the paper sheets having, on at least a face thereof, at least an adhesive material layer, an adjustable cutting assembly being further arranged between the drum and paper sheet supplying roller.

Abstract: A device for cutting a support helix for a radially expanded sleeve of resilient material which may be used as an enclosure of an elongate object such as an electrical cable. The device includes a knife wheel having a plurality of circumferentially distributed, radially projecting knives for making elongate spaced cuts through the wall of a plastic tube. The plastic tube and the knife wheel are rotated and moved axially relative to each other to cause the knife wheel to make a helical pattern of elongate spaced cuts through the wall of the plastic tube along the entire length of the plastic tube. One end portion of the helix is separated from the helix into a strip extending from one end of the helix through the support helix and out of the other end thereof where it may be manually grasped. The connection areas between the spaced cuts are dimensioned so that the support helix can be manually unwound by pulling on the end portion extending through the support helix.

Abstract: An apparatus for adhering ribbons to a cartridge shell plate comprises a conveyor for continuously conveying thin sheets disposed side by side, a pressure adherence unit for pushing two ribbon webs coated with an adhesive against edge portions of the thin sheets which are being conveyed, and a ribbon cutting mechanism for circulating cutter units beside the thin sheets in the direction of conveyance of the thin sheets in synchronization therewith, and swinging cutters of the cutter units to cut the ribbon webs between adjacent thin sheets. The cartridge shell plate is made by intermittently conveying thin sheets, which have been cut in a size equal to the developed length and width dimensions of the cartridge shell plate, by a conveyor, and cutting four corner portions of the thin sheet and then bending the thin sheet into a shiplike cross-sectional shape at a cutting process station and a bending process station disposed along the conveyor.