Abstract:
Apparatus for processing a sheet of material such as cardboard intended for making a folding box or case, comprises a stamping plate for carrying the sheet and co-operable with a tool. The stamping plate lies on a table plate of a frame structure which has holders for releasably carrying a form which extends parallel to the table plate, and at least one bridge assembly which extends movably above the table plate. A carriage is carried on the bridge assembly and moves transversely with respect to the direction of travel thereof. The carriage carries at least one vertically movable pressure member directed towards the table plate.
Abstract:
A container is made of cardboard or the like material--and a pattern or blank from which said container is assembled--and has walls which are joined intimately to a base, a lid flap or flaps on one or one pair of these walls surrounding an opening to the container interior, and lying transverse to that lid flap, dust flaps which when the container is closed face the inner side of the lid flap/flaps. Said container is intended for contents of a finely divided form which could give rise to dust, and is able to prevent this dust formation.To this end the edges at the sides of the dust flap extend on both sides beyond the delimiting wall section a distance from the related fold line to produce peaklike areas; each of which is delimited by a curved contour and are joined to another wall which is adjoined to and is at an angle to that wall section, the edge at the side of the dust flap featuring a radial curvature at least in the region next to the fold line. Further, the leading edges of a pair of dust flaps which feature slits at the leading edge should support the inner surface of the lid flap/flaps; the leight of the dust flaps should be less than half that of the dust flap/flaps.
Abstract:
A method of severing useful lengths connected together by small fillets in a sheet of paper, pasteboard or the like, comprises applying the sheets on to a substantially non-flexible support having a contact surface of a first coefficient of friction, and then exerting on adjacent useful lengths, through forces which act in opposite directions tangentially on said adjacent useful lengths with a contact pressure by way of a second coefficient of friction exceeding the value of said first coefficient of friction, a splaying movement sufficient to destroy the fillets. Apparatus for carrying out the method may comprise a press, pressure fingers disposed at both sides of the longitudinal axis of said press, and contact surfaces having said comparatively high second coefficient of friction and at the free ends of said pressure fingers, said contact surfaces being intended for application to the useful lengths to be severed. The pressure fingers may be adapted to be moved away from one another in a plane substantially perpendicular to the principal plane of said useful lengths and the plane of separation between said useful lengths, a spring counteracting said movement of said pressure fingers as a function of downward movement of said press with increase of the spacing between the contact surfaces. Alternatively, there may be means for applying an additional and external force independent of the force applying the press to said useful lengths, said additional force being displaceable in a direction substantially tangential to the principal plane of said useful lengths.
Abstract:
A device for punching blanks out of a flat sheet, in particular packaging blanks consisting of cardboard or corrugated cardboard, using a punching tool that is mounted in a carrier plate and projects beyond the plate in the form of a blade or cutting line, in addition to profiled strips, consisting of a material of limited flexibility, which flank the tool. A rail-type profiled channel consisting of a rigid material is located on the carrier plate, running parallel to the punching tool on each side of the longitudinal faces of the latter and one cross-sectional area of the profiled strip is inserted into the profiled channel in a positive fit. In addition, at least one lateral face of the cross-section of the profiled strip has a protuberant base.
Abstract:
A disc-like cover for a frying pan comprising a disc stamped to form a carrier ring with a plurality of spoke-like radial arms connected to the ring and extending inwardly to a central region at which the radial arms merge together. A steam permeable filter of fibrous material is secured to the disc on one side thereof to cover open sectors formed in the disc between the arms. The filter is secured to the disc by a permanent adhesive. The arms each have a plurality of transverse relief cuts respectively extending from one radial edge of the associated arm partially across the width of the arm over a length greater than one-half of the width. The cuts extend parallel to one another in the region where the arms are joined to the carrier ring to form a weakening zone permitting limited change in shape of the arm. The adhesive between the filter and disc is reduced to a narrow zone at the relief cuts to leave an unadhered zone between the filter and disc adjacent the narrow zone.
Abstract:
A carrying and holding device comprising a plate or the like having provision for receiving a cup or the like, especially a fruit or yogurt cup and including laterally bent up edge portions to secure the cup for storage in groups within boxes. The carrying device is formed from a flat sheet of cardboard or the like which is folded to form a rectangular case with a recess for the cup, the spacing between two facing edges of the recess being less than the diameter of the cup so as to be deformed to hold the rim of the cup while gripping its side wall.
Abstract:
A device (10) for punching sheet-like cardboard materials, with a punching plate (11; 11a) that intermittently accommodates the cardboard materials, wherein a preferably plate-like caliber element (16) is arranged in at least one corner region of the rectangular punching plate (11; 11a), and wherein at least one additional caliber element is arranged in an intermediate region (18) that lies between the corner regions, characterized in that the additional caliber element is realized in the form of an elongate caliber rod (20; 20a; 20b; 20c), wherein the caliber rod (20; 20a; 20b; 20c) has a length/width ratio (L/B) of at least 5:1.
Abstract:
A device for punching blanks out of a flat sheet, in particular packaging blanks consisting of cardboard or corrugated cardboard, using a punching tool that is mounted in a carrier plate and projects beyond the plate in the form of a blade or cutting line, in addition to profiled strips, consisting of a material of limited flexibility, which flank the tool. A rail-type profiled channel consisting of a rigid material is located on the carrier plate, running parallel to the punching tool on each side of the longitudinal faces of the latter and one cross-sectional area of the profiled strip is inserted into the profiled channel in a positive fit. In addition, at least one lateral face of the cross-section of the profiled strip has a protuberant base.
Abstract:
Apparatus for imprinting or impressing a sheet of material such as cardboard intended to be made into a die for making a folding box or case, comprises a stamping plate for carrying the sheet and co-operable with a tool. The stamping plate lies on a table plate of a frame structure which has holders for releasably carrying a form which extends parallel to the table plate, and at least one bridge assembly which extends movably above the table plate. A carriage is carried on the bridge assembly and moves transversely with respect to the direction of travel thereof. The carriage carries at least one vertically movable pressure member directed towards the table plate.
Abstract:
A container comprising a web or blank of material of limited flexibility with wall portions in which at least one edge is separated from a bent-over edge strip portion by a bend line, is provided with a maximum degree of stability so as to avoid any outward bulging and to resist the resilient forces tending to cause a return to an initial position. For that purpose, the bend line is interrupted by at least one geometrical surface portion serving as a stabilizing member which projects both into the edge strip portion and also into the wall portions, and which is separated from both by desired or predetermined bend lines. The blank can be made of cardboard with a coating of aluminum film or foil, for lining the interior of the container and the bend line is interrupted by at least one geometrical surface portion which projects into both portions of the blank, which are adjacent to the bend line, that is to say, the edge strip portion and the wall portion, and the stabilizing member is separated from the edge strip portion and the wall by bend lines which are at least partly cut. In both cases, at least the bend line is preferably produced by stamping or embossing, or by perforations.