EP0535182B1 - Distributeur de feuille avec dispositif de separation - Google Patents

Distributeur de feuille avec dispositif de separation Download PDF

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Publication number
EP0535182B1
EP0535182B1 EP92906897A EP92906897A EP0535182B1 EP 0535182 B1 EP0535182 B1 EP 0535182B1 EP 92906897 A EP92906897 A EP 92906897A EP 92906897 A EP92906897 A EP 92906897A EP 0535182 B1 EP0535182 B1 EP 0535182B1
Authority
EP
European Patent Office
Prior art keywords
foil
housing
cutting
film
blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92906897A
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German (de)
English (en)
Other versions
EP0535182A1 (fr
Inventor
Reinhard Hörnlein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Melitta Haushaltsprodukte GmbH and Co KG
Original Assignee
Melitta Haushaltsprodukte GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE9103605U external-priority patent/DE9103605U1/de
Priority claimed from DE9103606U external-priority patent/DE9103606U1/de
Priority claimed from DE9111783U external-priority patent/DE9111783U1/de
Application filed by Melitta Haushaltsprodukte GmbH and Co KG filed Critical Melitta Haushaltsprodukte GmbH and Co KG
Publication of EP0535182A1 publication Critical patent/EP0535182A1/fr
Application granted granted Critical
Publication of EP0535182B1 publication Critical patent/EP0535182B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/002—Hand-held or table apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/0073—Details
    • B65H35/008—Arrangements or adaptations of cutting devices
    • B65H35/0086—Arrangements or adaptations of cutting devices using movable cutting elements

Definitions

  • the invention relates to a film dispenser according to the preamble of the main claim.
  • Film dispensers with a separating device in particular for household films such as aluminum, paper, transparent films or the like, are generally known. These household films are usually sold individually packaged in cardboard boxes, which are themselves designed as film dispensers, with the film being able to be separated from the film roll at a sawtooth-shaped tear-off edge. In practice, however, this is often impossible because the cardboard box deforms in the hand during such an attempt or the tear-off edge, which is also made of paper or light metal, bends, so that tear-off is made considerably more difficult and a straight cut is made virtually impossible.
  • separating devices are also known (EP 0 265 552), which, however, have the disadvantage that in each case only one is matched to one type of film Cutting system is used. If other types of film are inserted in the film dispenser, these cutting systems quickly become blunt and can no longer guarantee a clean cut. Furthermore, additional precautions often have to be taken with which a film can be held during a cutting process, which requires additional technical and constructive effort.
  • Foil dispensers are also known (US Pat. Nos. 3,236,427, 2,823,969), in which there is a removal slot and a small space formed by the housing and knife carrier.
  • the knife holder of this film dispenser is movable relative to the housing, preferably rotatably mounted. Opposite to the knife carrier, the gap is formed between the housing and knife carrier, in which a short, grippable film tab is available for gripping and pulling out another film piece.
  • the film flag is held or clamped between edges provided for this purpose.
  • the film roll is guided either in a specially designed chamber in which the film roll lies freely or by means of cylindrical guide bolts which engage in the film roll and hold it.
  • a device for receiving a film roll is also known from DE 38 23 335 A1, which consists of a fixed housing part and a hinged cover arranged at the front, behind which the film roll is mounted and has a cutting carriage which can be moved transversely to the housing and the film width, with its cutting device a flag pulled off the film roll can be cut off outside the film dispenser.
  • a clamping gap arranged between the hinged lid and the housing simultaneously forms the passage for the foil flag, as long as the hinged lid is not loaded. When the hinged lid is loaded, e.g. B. when operating the cutting device, the film flag is clamped.
  • Such a film dispenser can also have a plurality of film rolls in a housing, each with its own cutting devices and hinged covers.
  • a disadvantage of the film dispensers described above is, above all, that, after cutting off a piece of film, the film flag can be clamped in a gap formed between the knife carrier and the housing, but the clamping takes place only in short film regions, provided that the knife carrier is non-positive, preferably by its own weight, the film on corresponding edges of the housing presses. Furthermore, it is a great disadvantage that to pull out a piece of film from the roll between the knife carrier and the housing, two-handed operation is required to lift and hold the knife carrier. Also, the guidance of the film roll in the film dispenser is largely indefinite, which means that, particularly when stored in drawers or the like, the film flag cannot be pulled back into the interior of the film dispenser and it cannot be placed against the film roll.
  • the object of the present invention is therefore to provide a film dispenser which ensures that the film roll is securely received and guided in the dispenser with a film flag unwound therefrom by pulling off a piece of film, the secure holding of the film flag in particular having to be ensured and pulling off a further piece of the film is ensured by gripping the film flag with simple, quickly comprehensible operating handles, and the film piece is securely cut off in a handy cutting position.
  • Essential to the invention for the proposed film dispenser is the special arrangement of the removal slot and knife groove with respect to one another, which are arranged at a relatively large angular distance from one another on or in the housing of the film dispenser, at least this area of the housing being covered over the entire area by a knife carrier which corresponds to the contour of the housing is adapted over a substantial part and forms a gap in the cutting position between the removal slot and the knife groove, in which a projecting foil tab completely, ie is covered on both sides and is protected from external influences, and that the knife carrier can be moved from a cutting position to grip the film flag. After the knife holder has been moved out of the cutting position, the protruding film flag can be gripped and a film piece can be pulled out of the film dispenser.
  • the housing of the film dispenser and the knife carrier are cylindrical, the knife carrier on the housing being rotatable in one or both directions.
  • This embodiment like other embodiments, has a removal slot which extends at least to one of the housing ends and through which a film tab for inserting a film roll can be threaded.
  • This removal slot can be very wide by design to make threading as easy as possible. Approx.
  • the knife groove is arranged 90 degrees to the removal slot, the outer diameter of the housing being somewhat reduced in the area in between in order to create the gap space.
  • This gap space has the advantage, on the one hand, that the film is not pressed against the surface of the housing by the knife carrier and therefore does not adhere very firmly to the housing, and, on the other hand, that the direction of rotation of the housing within the knife carrier surrounding the housing is a good two thirds is freely selectable.
  • the housing is also cylindrical, but the knife carrier surrounds it only in an angular range of approximately 100 degrees, the side facing away from the cutting slide, which extends approximately beyond the removal slot, being hinged to the housing via a hinge is attached.
  • the film lug protruding from the removal slot thus remains after separating a film web between the housing and the knife carrier, which can simply be folded away for gripping the film lug.
  • two locking cams which are located on the side at the front end of the knife carrier, snap into two catches of the housing so that the knife carrier remains in this position even when the film dispenser is put down, so that the film flag is fully covered in this version too and is preserved in its original length.
  • Another advantageous embodiment of the invention consists of a likewise cylindrical housing, on the front side of which a knife carrier, which likewise encloses the housing by approximately 100 degrees, is mounted eccentrically. In the removal position, this is pivoted so that it clears the removal slot and the knife groove, so that a film web can be removed from the housing without any problems. In the closed position, the knife carrier is pivoted over the removal slot and knife groove, so that a gap is also created here, which protects the film from external influences. To limit the swiveling movement of the knife carrier, the housing is provided with a notch in the removal position and with a stop cam in the closed position.
  • Embodiments in which the film rolls can be inserted by opening or unscrewing the housing can be emphasized as further advantageous configurations of the subject matter of the invention.
  • the housing is advantageously opened via a snore, which divides the housing into an upper and a lower part.
  • the design of the hinge is freely selectable, the use of a film hinge appears to be a cheap variant.
  • the housing consists of two partial cylinders, of which the outer encloses the inner in such a way that in a certain position relative to one another a lateral longitudinal opening is created which is wider than a film roll to be inserted thick.
  • the knife carrier can have the shape of a cylindrical cutout of approximately 90 degrees, the inner radius of which roughly corresponds to the outer radius of the housing part and at the ends of which are arranged disks arranged perpendicularly thereto, which engage in the front openings of the housing in such a way that the knife carrier opens the housing surface is pivotable.
  • the possible swivel angle of the knife carrier can be limited to any desired angular dimension by housing grooves or the like.
  • These disks like the disks used in the shell-shaped upper part, have a large central bore, which serves to be able to insert a plug axially into the film reel into the film reel after the film roll has been inserted and the housing closed.
  • the housing is kept closed in the simplest way and the film roll is centered. To prevent unwanted removal of the plug from the housing, it is equipped with a catch that strikes an inner surface of the housing when the plug is pulled out.
  • the outside of the housing with smooth and matt surface sections which serve for the functionality of the film dispenser and also for easier handling.
  • thin transparent film adheres specifically to high-gloss surfaces, so that the knife holder can be turned over in any direction without the film lifting off and wrinkled.
  • the transparent film stands out from the matt surfaces, which can be used to allow a narrow strip with a matt surface in the area of the cut edge in order to be able to lift a small piece of film if it is desired to pull out another film web.
  • Aluminum foil on the other hand, partly reacts in opposite ways, i.e. it adheres to the rougher surfaces, which is also desirable in the area of the knife groove, as this can produce an excellent cut quality.
  • the axial storage of a film roll in a dispenser housing can take place not only through the mentioned stopper, but also particularly advantageously via a cuboid block fastened on a spring tab, which is briefly pivoted when the roll is inserted so that a correspondingly rounded end face on the inside Cardboard sleeve rests and presses axially against an inward-facing surface of the block on the opposite side against the end face of the cardboard sleeve and the entire film roll is held in this way.
  • the angular position of the cuboid block determines the pull-out resistance of the film web.
  • a particular advantage of the film dispenser with separating device is the simple construction of the cutting device from at least one rotatable cutting wheel and a cutting knife assigned to it, which cooperates together with a knife groove which is matched to it in shape.
  • a particularly advantageous embodiment of the inventive separating device has two rotatable cutting wheels arranged opposite one another, between which a knife is arranged to be stationary or tiltable about an axis.
  • the cutting wheels perform one or more tasks during the cutting process. In all cases, it holds the film on both sides of the knife groove fixed to the housing or prestresses it between the two cutting wheels engaging in the knife groove.
  • this pre-tension is sufficient to exceed the tensile strength of the respective material, so that the knife arranged between the cutting wheels is not stressed, and when the transparent film is separated, it is stretched tightly by the spaced-apart cutting wheels , can separate them easily and almost without wear.
  • the most advantageous embodiment of the cutting wheels is a bevel gear shape, the cutting wheels with their large end faces being arranged facing one another in the cutting slide. They are about the same size, own the same thickness, the same cone angle and the same diameter of the smaller end face. Parts of the cone surfaces roll on the active surfaces of the knife groove, with a further part of the cone surfaces still extending into the knife groove.
  • the body edge of one of the two cutting wheels which is formed by the large end face and the conical surface, is rounded, while the same body edge of the other cutting wheel is sharp-edged. In embodiments with only one cutting wheel, only the sharp-edged one is present.
  • the fixed cutting knife which can also be designed to be tiltable, has a V-shaped cutting edge, so that it is functional from both end positions of the cutting carriage.
  • the cutting angles are dimensioned such that they lie in the area of the chamfers of the knife groove behind the contour of the cutting wheels, so that the desired cutting or separating effect is made possible at all. Below the bevels, however, the knife tip emerges from the contour of the cutting wheels and extends into the area of the groove base.
  • the knife holder can have a further separating device, which is located, for example, on its front edge in the area of the knife guide, and which consists of teeth cut into the knife holder and sharpened on several sides, which are shaped in this way can that a tooth flank continues to rest on the housing, thereby largely eliminating the risk of injury.
  • the user of such a film dispenser can therefore choose whether he wants to achieve a straight clean cut or a slightly jagged tear-off edge with a very high quality.
  • this film dispenser is therefore its versatility. On the one hand, it can be handled with both hands or one-handed, does not require any special attention after use, but can be stored carefree after removing a film, even on damp documents or in drawers, in which it is flung back and forth when opening and closing the same, without the risk that the foil flag slips back into the housing and can be threaded back into the removal slot only with difficulty. Furthermore, the film dispenser can be used individually or together with several others in permanently mounted wall mounts or table devices, in which it is stored ready for use or can be easily removed for use.
  • FIGS. 1 to 37 Variations of the film dispenser are shown in FIGS. 1 to 37.
  • the housing 1, 11, 21 of the film dispenser is essentially cylindrical, its inner diameter is slightly larger than that of commercially available household film rolls and the film dispenser has a removal slot 5, 15, 25 for a film web 31, which extends at least up to a housing end or also over extends the entire length of the housing. Approx. A 90 ° to this removal slot 5, 15 25 is a knife groove, 6, 16, 26 attached to the outside of the housing, which cooperates with the cutting device of the knife holder, 2, 12, 22 to be explained in more detail.
  • cylindrical housing 1, 11, 21 is provided with inwardly directed cone bodies 40, 41, 42, 43, on which a film roll 30 is mounted centrally with friction in the housing.
  • cone bodies 40, 41, 42, 43 on which a film roll 30 is mounted centrally with friction in the housing.
  • at least one cone body 40-43 must be axially adjustable.
  • FIG. 26 This is achieved in FIG. 26 in the case of a conical body 42 via a cylindrical end piece which is provided with a thread 45 which interacts with an internal thread 44 of the housing 1.
  • the thread 45 has a very high pitch, which ensures that the friction in the thread 44, 45 is greater than that of the film roll 30 on the conical surface of the cone body 42, so that a set bias of a film roll 30 is maintained.
  • the threads 44, 45 are equipped with right-hand or left-hand threads in accordance with the direction of rotation of the film roll 30 or counter to the direction of rotation.
  • FIG. 27 shows a conical body 43 which is provided at its cylindrical end with a web 47 which is guided in the end slot 5 of the housing.
  • the web 47 is made somewhat narrower than the dimension of the removal slot 5, so that the housing 1 for mounting a housing cover 51, which engages around the housing 1 and snaps into a radial groove 69, can be compressed slightly.
  • a threaded spindle 52 is rotatably fixed, on which the tapered body 43 provided with a through thread 50 is held adjustably.
  • FIGS. 28 and 29 A further version of the film centering is achieved in FIGS. 28 and 29 by means of the conical body 41, the cylindrical end piece of which is also provided with a web 46, which is guided in the end slot 5 of the housing 1, the web having notches 48, which are connected with the Starting area of the removal slot 5 arranged slot catches 49 cooperate, so that an adaptation of the centering of different lengths of film rolls 30 is also possible here.
  • a knife carrier 2, 12, 22 is clamped onto the housing 1, 11, 21 of FIGS. 1 to 37, the inside diameter of which corresponds to the outside diameter of the housing 1 and which surrounds it in a range of approximately 230 degrees.
  • the separating device 33 is arranged in the region of an edge of the knife carrier 2, 12, 22.
  • Lateral locking cams 7, 17 are also provided in this area, which correspond to detents 8, 18 arranged over the circumference of the housing in order to ensure defined positions of the knife carrier 2, 12, 22 relative to the housing 1, 11, 21.
  • a catch 8 is located in the pull-out direction of the film web 31 in front of or behind the knife groove 6 (FIG. 6) and a further catch is provided through the removal slot 5 (FIG. 7).
  • the housing 1 can be designed such that a cam 32 is generated by increasing and decreasing wall thickness, on which the locking cam 7 of the knife carrier 2 rests, so that when the housing 1 and the knife carrier 2 are rotated relative to one another, a larger slot is created than would be the case if only the locking cam 7 were guided along the housing surface 1.
  • the outer diameter of the housing 1 or the housing wall thickness is in the range between the removal slot 5 to just before the knife groove 6 over the length of the knife groove 6 to produce a Gap 3 reduced.
  • This gap space 3 can also be created or enlarged in that the inside diameter of the knife carrier 2 is made enlarged in this area.
  • the knife carrier 2 is in the cutting position with the film web 31 leading vertically downward. After the longitudinal movement of the cutting carriage 64 along its guide 63, an exactly separated film web 31 can be removed.
  • the knife carrier 2 is rotated counter to the direction of rotation of the film roll 30 into the removal position (FIG. 7), being raised so far from the film 31 that swings around the housing 1 that it remains in the original position ( Figure 6).
  • Another possibility of being able to grasp the foil lug 31 again is not to rotate the knife carrier 2, but rather the housing 1 against the direction of rotation of the foil roller 30 until the knife carrier 2 engages in the desired position in the region of the removal slot 5.
  • the film web 31 can then be pulled out in any length, after which the knife carrier 2 is rotated around the housing 1 or the housing 1 in the knife carrier 2 such that the separating device 33 engages over the knife groove 6.
  • removal slot 5 and knife groove 6 are arranged approximately 90 degrees to one another, a rotation of approximately 90 degrees is also required to rotate the knife carrier 2 relative to the housing 1, whereas a rotation of approximately 90 degrees is required when the housing 1 is rotated within the knife carrier 2. 270 degrees is required.
  • the housing 1 can be provided with an edge 19, 20 which projects beyond the knife carrier 2.
  • the possible wall or table holders for the film dispenser are also designed in accordance with these options.
  • Figures 30 to 33 show a version of a wall bracket 80, 81, in which the housing 1 is fixed over the bracket 80, 81 and the knife holder 2 can be rotated back and forth like a visor.
  • FIGS. 34 and 35 show an embodiment in which the knife carrier 2 is fixed in relation to the wall bracket 82 is and the housing 1 can be rotated relative to the knife carrier 2.
  • the wall brackets 80, 81, 82 of Figures 30 to 35 are designed so that the film dispenser can be easily removed from the respective bracket, but also remains functional on the wall.
  • FIGS. 36 to 37 Another version of the wall fastening, which also applies to other embodiments of the film dispenser, is the embodiment according to FIGS. 36 to 37, which is provided with a kind of hook or bracket 84 in order to hang it on a rod 59 or a hook.
  • the housing 11 of the film dispenser according to FIG. 2 has, as a further embodiment, a knife carrier 12 which spans it in a range of approximately 100 degrees and which is hinged in the region of the removal slot 15 via a joint 83 on the housing 11 such that the knife carrier 12 can be folded away about 45 degrees from the housing 11.
  • the film web 31 runs through the removal slot 15 between the housing 11 and the knife carrier 12.
  • the gap space 13 between the housing 11 and the knife carrier 12 can be very narrow in this version or can be completely eliminated since there is no relative movement between the housing 11 and the knife carrier 12 takes place and applying the film 31 to the housing 11 or to the inside of the knife carrier 12 can be advantageous for the function of the film dispenser.
  • the knife carrier 12 has two latching cams 17 on its front edge, which engage in catches 18 of the housing 1 and prevent the knife carrier 12 from unintentionally opening.
  • This dispenser version can also be used in wall or table brackets, although only one version with a fixed housing 11 appears to be useful.
  • An embodiment of the object of the invention shown in Figures 3 and 4 also has a cylindrical housing 21 and each have a removal slot 25 and a knife groove 26, but the knife carrier 22 is pivotally mounted eccentrically on the end faces of the housing 21.
  • the knife carrier 22 extends, as in the previous embodiment, over approximately 100 degrees and in the removal position clears the area between the removal slot 25 and the knife groove 26, with its rear edge finding an end stop in the notch 9.
  • the knife carrier 22 is pivoted over the area between the removal slot 25 and the knife groove 26 until it reaches with it front edge meets a stop cam 10 and the film web is held between the housing 21 and knife carrier 22.
  • the gap space 23 covering the film lug 4 also protects the film lug 4 from further external influences after being cut to length.
  • the separating device 33 of the knife carriers 2, 12, 22 of the different embodiments of the film dispenser in FIGS. 1 to 4 basically consist of a guide 60 to 63 for a cutting carriage 64 to 67, in which a cutting device 33 cooperating with the housing 1, 11, 21 is housed.
  • the cutting device 33 can be equipped for cutting the different types of foils either with knife types which are partially matched thereto or, according to the invention, with a universal separating device 33.
  • FIGS. 20 and 21 show a cutting device 33 for cutting transparent films from a fixed knife 70 that extends into the cutting grooves 16 of the housing 1, 11, 21 and is held in the cutting carriage 67.
  • FIGS. 14 and 16 show a cutting device 33 which is also provided only for cutting transparent film and also has a fixed knife 70 which is held in the guide carriage 65, which can be moved along the knife groove 16 on the guide 61, the carriage 65 is also equipped with a holding roller 71, which is arranged behind the knife 70 in the pull-out direction of the film 31 and rolls on the housing 1, 11, 21 next to or, slightly protruding from the edge of the groove 16.
  • FIG. 15 shows a cutting roller 68 which is interchangeable for the arrangement of knife 70 and holding roller 71 in FIG. 14 and consists of a cylindrical roller which has a bevel gear-shaped shoulder which extends into the knife groove 16 in the installed state, whereby this cutting device 33 is used when cutting aluminum or paper foil.
  • FIGS. 17 to 19 A further cutting device 33 for separating aluminum and paper foils 31 is shown in FIGS. 17 to 19, wherein the cutting device 33 consists of two bevel gears 72, 73, which have a larger diameter opposite one another, and parts of the cone surfaces roll on chamfers 74 of the knife groove 6 .
  • the slide 66 is again held displaceably by a corresponding guide 62 on the knife carrier 2, 12, 22.
  • FIG. 18 shows a very small variant of this cutting device 33, the conical surfaces 72, 73 of which are structured, which interact with also structured bevels 74 of the knife groove 16 and thus ensure that the cutting wheel rolls off.
  • FIGS. 22 and 23 show an additional possibility for cutting a film web 31 to length, with which the front edge 75 of the knife carrier 2, 12, 22 can be equipped.
  • sharp teeth 76 are introduced on several sides, in any case a tooth flank 77 of a tooth 76 is shaped in such a way that it abuts the housing 1, 11, 21 or the film.
  • the film 31 is held between the housing 1, 11, 21 and the knife carrier 2, 12, 22 during the tearing off and at the same time a risk of injury by the teeth 76 is minimized.
  • FIGS. 24 and 25 An additional embodiment of the tear-off edge 75 of the knife carrier 2, 12, 22 is shown in FIGS. 24 and 25, in which the teeth 76 extend radially to the housing 1, 11, 21 of the film dispenser, the latter being in a disconnected position on a rubber strand inserted into the housing groove 78 79 support.
  • FIGS. 38 to 73 show further embodiments of the subject matter of the invention in different variations.
  • FIGS. 38 to 53 are a hinged dispenser, which essentially consists of two components, a bowl-shaped upper part 101a, 110a, 120a, and a similar bowl-shaped lower part 101b, 110b, 120b, both parts being connected to one another by a hinge 109 are connected.
  • the knife carrier 102, 112, 122 here consists of a shell in the form of a cylindrical cutout of approximately 90 degrees, which has an inner radius which approximately corresponds to the outer radius of the associated housing part and the disks 105, 125 arranged perpendicularly at its corners. has, which, in the front openings of the housing 101, 110, 120, engagingly engage the knife carrier 102, 112, 122, pivotably.
  • the pivoting angle of the knife carrier 102, 112, 122 can be set up as desired by means of recesses, cams, etc.
  • a radial groove 106, 116, 126 is provided in the regions of the two end stops of the separating device.
  • annular disks 105, 125 are attached in the region of the end faces.
  • the shell-shaped lower part 101b, 110b are provided on the front sides of hollow cylinders 115.
  • the panes of the upper part 101a, 110a, 120a rest on the inner end faces of the hollow cylinders 115.
  • the disks of the knife carrier 101, 112, 122, those of the upper part 101a, 110a, 120a and the hollow cylinder 115 have a bore into which a stopper 114 can be inserted axially into the film roll (not shown).
  • the plug 114 thus fulfills the role of the roller bearing on the one hand and on the other hand ensures the secure closure of the housing 101, 110, 120.
  • smooth surface sections 150, 151 and matt surface sections 152, 153, 154 are shown alternately.
  • the differently designed surfaces 150 to 154 serve the function and handling of the film dispenser.
  • the inside of the housing and the components moving over the gap 103, 113, 123 are accordingly provided with matt, non-stick surfaces 152 to 154.
  • FIGS. 46 to 49 show a basically identical film dispenser, the housing parts 110a, 110b of which are only partially cylindrical and partially rectangular. Other housing contours, for example with radii and straight portions, are also conceivable here.
  • FIGS. 50 to 53 show a dispenser variant, in the shell-shaped upper part 151a of which a pot-like disk 119 is provided in the area of the end faces, which cooperates with a tumbler spring 121 provided in the bowl-shaped lower part 120b, when in the closed state the Notch 124 engages behind part of the disc edge of disc 119.
  • the locking spring 121 additionally has an unlocking tab 128, through which a lateral housing opening 129 extends and which can be operated from the outside to open the housing 120.
  • the cup-shaped disk 119 is partially designed as a spring tab 136.
  • An approximately cuboid block 131 is attached to the inwardly directed disk of the spring tab 136, which block has a rounded end face 134 in a inserted, not shown film roll engages and presses axially against an edge of this end face facing inward against the edge of the film roll, not shown, and thus clamps it.
  • the rolling resistance of the film 104 can be predetermined by the angular position of the block 131 relative to the removal slot 135.
  • FIGS. 56 to 59 Also shown in FIGS. 56 to 59 is a film dispenser variant, the housing 140 of which consists of two partial cylinders 140a, 140b, of which the outer 140a partially encloses the inner 140b and both can be rotated relative to one another in such a way that a lateral longitudinal opening 149 for inserting a not shown Film roll can be generated.
  • the separating device 108 is here accommodated directly on the outer housing part 140a, so that an extra knife carrier 102 can be dispensed with.
  • the outer housing part 140a is displaced along a radial groove 146.
  • the knife carrier 132 is directly molded onto the upper housing part 130a and the separating device 108 is held displaceably between a section of the housing surface and a guide 137 of the knife carrier 132.
  • the axis of rotation 138 of the cutting wheels of the separating device 108 runs approximately radially to the central axis 139 of the housing or approximately parallel to the vertical or horizontal division plane 155, 156 of the housing.
  • FIG. 62 A conceivable lateral closure of the dispenser housing 130 is shown on the left in FIG. 62, which can be achieved by the deformation of an elastic ring 133.
  • 66 to 69 finally show a variation of the separating device 108, in which a frustoconical friction wheel 148, 158 is provided on the axis of rotation 138 of the cutting wheels, this being arranged such that it lies behind the knife 165 in the pull-out direction of the film and with its larger diameter is also installed in the pull-out direction, this larger diameter being greater than the distance between the axis of rotation 138 and the surface of the housing 1, so that the conical friction wheel 148, 158 must deform in order to roll on the surface of the housing 1 to be able to.
  • a film to be cut is advantageously held down and stretched before the separating device 108 is used.
  • FIGS. 66 to 69 and 70, 71, 72 to 74 show the separating device 108 which can be used universally for all types of film.
  • the universally usable cutting device 108 consists of a cutting carriage 64 with a knife 165 and at least one rotatable cutting wheel, in particular a bevel gear-shaped cutting wheel 175 and / or a further cutting wheel 176, which with its large end face is directly adjacent and the knife 165 is arranged so that different separation mechanisms can be generated during the separation process according to the type of film.
  • two oppositely arranged, rotating cutting wheels 72, 73 can also be arranged in the cutting carriage 64 on both sides of the knife 70, the two large end faces of the conical cutting wheels 72, 73 facing the knife 70 and the body edge of a cutting wheel 73, which is formed by the large end face and the conical surface, is rounded, whereas the corresponding body edge of the other cutting wheel 72 is sharp-edged.
  • the knife edge 94 of the separating device 108 is V-shaped and sharp on both sides. Its tip 93 extends beyond the diameter of the cutting wheel 72 into the knife groove 6, the cutting edges 93 receding in the region of the chamfers 74 of the knife groove 6 behind the contour of the cutting wheels 72, 73.
  • the cutting wheels 72, 73 can be designed on their contact surfaces with the knife groove 6 as well as the active surfaces of the knife groove 6, the chamfers 74 so that a cutting wheel 72, 73 rolls frictionally and / or positively on the active surfaces 74, the outer part of the conical surface can still extend into the knife groove 6.
  • a friction wheel 96 can be integrated in the cutting carriage 64, which is either frustoconical in cross-section and behind the knife 70 or the cutting wheel 175 or 72, 73 in the pull-out direction of the film 31 , in particular is arranged on the shaft 92, a larger diameter pointing in the direction of extension and this diameter is larger than the distance between the friction wheel axis of rotation 91 and the housing surface 1 or which is set obliquely to the housing surface 1 of the film dispenser, so that the film 31 during of the cutting process is additionally clamped in the cutting area.
  • the separating mechanism in the case of thin transparent film 31 is approximately that that a bevel gear 72 or both bevel gears 72, 73, by pressing the film 31 into the knife groove 6, clamp the latter so that that which emerges in the lower region over the radius of the cutting wheel 72 Knife 70 cuts the transparent film 31.
  • the cutting of aluminum or paper foils 31 is carried out by a similar mechanism, only that the foil 31 is separated at the sharp edge of the cutting wheel 72 at the latest during tightening while the foil material is less stretchable.
  • both separation mechanisms can be involved in the separation process alone or in any part. Because the optimal separation mechanism is used for each type of film inserted in the film dispenser, the separation device 108 is extremely wear-free. The complete film dispenser with separating device 108 is therefore extremely robust due to its simple structure and extremely handy and user-friendly due to its practical orientation.

Landscapes

  • Unwinding Webs (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Wire Bonding (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Claims (19)

  1. Distributeur de feuilles, notamment de feuilles à usage ménager telles que des feuilles d'aluminium, de papier, des feuilles transparentes ou produits analogues, comprenant un boîtier logeant un rouleau à feuilles et un porte-couteau comportant un chariot de coupe coopérant avec une rainure à couteau prévue dans le boîtier, caractérisé en ce que le boîtier (1, 11, 21, 101, 110, 120, 130, 140) présente une fente d'extraction (5, 15, 25) parallèle à l'axe du rouleau à feuilles et à une distance angulaire relativement importante de cette fente, la rainure à couteau (6, 16, 26), le porte-couteau (2, 12, 22, 102, 112, 122, 132, 142), le contour du boîtier (1, 11, 21, 101, 110, 120, 130, 140) étant adaptés sur une partie importante du boîtier (1, 11, 21, 101, 110, 120, 130, 140) et dans la position de coupe entre la fente d'extraction (5, 15, 25) et la rainure à couteau (6, 16, 26), ils forment une chambre de séparation (3, 13, 23, 103, 113, 123, 133) pour recevoir une bande de feuille (4, 31), la bande (4, 31) en saillie de la fente d'extraction (5, 15, 25) dépassant de la zone comprise entre la fente d'extraction (5, 15, 25) et la rainure à couteau (6, 16, 26) étant recouverte complètement, c'est-à-dire sur les deux faces et en ce que le porte-couteau (2, 12, 22, 102, 112, 122, 132, 142) peut être déplacé hors de la position de coupe pour permettre de prendre la bande de feuille (4, 31).
  2. Distributeur de feuilles selon la revendication 1, caractérisé en ce que la distance angulaire entre la fente d'extraction (5, 15, 25) et la rainure à couteau (6, 16, 26) est de 90° d'angle.
  3. Distributeur de feuilles selon la revendication 1, caractérisé en ce que le porte-couteau (2, 12, 22, 102, 112, 122, 132, 142) est pincé sur le boîtier (1, 11, 21, 101, 110, 120, 130, 140) et le diamètre intérieur du porte-couteau (2, 12, 22, 102, 112, 122, 132, 142) entoure le boîtier (1, 11, 21, 101, 110, 120, 130, 140) sur une plage de 230°.
  4. Distributeur de feuilles selon la revendication 1, caractérisé en ce qu'après avoir séparé un morceau de feuille on dispose d'une courte bande de feuille (4, 31) préhensible pour prendre de nouveau et extraire un autre morceau de feuille.
  5. Distributeur de feuilles selon l'une des revendications 1 à 3, caractérisé en ce que le porte-couteau (2, 12, 22, 102, 112, 122, 132, 142) et le boîtier (1, 11, 21, 101, 110, 120, 130, 140, 160) comporte des encoches (7, 17, 8, 18) qui se correspondent au moins en position de coupe ou également en position d'extraction du porte-couteau (2, 12, 22, 102, 112, 122, 132, 142).
  6. Distributeur de feuilles selon l'une des revendications 1 ou 3, caractérisé en ce que le porte-couteau (2, 12, 22) peut être recouvert au moins dans la zone du chariot de coupe (64, 65, 66, 67) et pour des positions différentes de la position de coupe, pour se dégager du boîtier (1, 11, 21), ou en ce que le boîtier (101, 110, 120, 130, 140, 160) dispose dans la zone d'au moins une position de fin de course du chariot de coupe (168, 188), dans la direction de mouvement du porte-couteau (102, 112, 122, 132, 142), d'au moins une cavité radiale (106, 116, 126, 146) qui est légèrement plus profonde que la longueur des arêtes (165) du dispositif de coupe (108).
  7. Distributeur de feuilles selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le porte-couteau (2, 12, 22, 102, 112, 122, 132, 142) comporte pour séparer une nappe de feuille (4, 31), en plus du dispositif de coupe (108), une arête d'arrachage (75) de forme correspondante, notamment avec des dents (76) dirigées dans la direction tangentielle à la direction d'extraction de la nappe de feuille (4, 31) ou perpendiculaire à celle-ci et vers l'arrière.
  8. Distributeur de feuilles selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'il peut s'extraire facilement d'une fixation de table ou fixation murale (80, 81, 82) par son boîtier (1, 11, 21) ou par son porte-couteau (2, 12, 22) et se place de manière fonctionnelle dans ce support.
  9. Distributeur de feuilles selon une ou plusieurs des revendications précédentes, caractérisé en ce que le boîtier (101, 110, 120) est formé de deux coquilles reliées par une charnière (109), à savoir une partie supérieure (101a, 110a, 120a) et une partie inférieure (101b, 110b, 120b) qui forment un boîtier cylindrique (101, 110, 120), la partie supérieure (101a, 110a, 120a) ayant, au niveau de ses faces frontales, des disques annulaires (107, 117, 187) et la partie inférieure (101b, 110b, 120b) en forme de coquille comporte de part et d'autre des bouchons (114) qui sont introduits axialement à travers le cylindre creux (115) et introduisent les disques (107, 117) jusque dans le rouleau à feuilles (30) qui ferme le boîtier (101, 110, 120) et assure le centrage de la nappe (4, 31).
  10. Distributeur de feuilles selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'un rouleau à feuilles peut être placé soit latéralement, axialement ou radialement par une partie de boîtier (101, 110, 121) qui s'ouvre par basculement autour d'une charnière (109) ou par une rotation relative des parties de boîtier (101, 110, 121) créant une ouverture longitudinale (49) dans laquelle on introduit le distributeur de feuilles.
  11. Distributeur de feuilles selon une ou plusieurs des revendications précédentes, caractérisé en ce que la partie supérieure (120a) en forme de coquille présente au niveau de la face frontale, chaque fois un disque en forme de pot ouvert vers la face frontale (119) et en ce que la partie inférieure (120b) en forme de coquille comporte un ressort de fermeture (121) muni d'un moyen d'encliquetage (124) et d'une patte de déverrouillage (128) traversant dans une ouverture latérale de boîtier (129) et en ce qu'à l'état fermé, une partie du bord du disque (119) est en forme de patte élastique (130) dont la face intérieure porte un bloc (131) sensiblement carré venant prendre par sa face frontale arrondie (134) dans un rouleau à feuilles (130) mis en place et qui par une surface opposée à la face frontale, tournée vers l'intérieur, pousse contre le bord d'un rouleau à feuille (30) et assure son serrage.
  12. Distributeur de feuilles selon la revendication 1, caractérisé en ce que le porte-couteau (132) est formé sur la partie supérieure (130a) du boîtier et le dispositif de coupe (108) est maintenu de manière coulissante entre un segment de la surface du boîtier (130) et un moyen de guidage (137) du porte-couteau (132).
  13. Distributeur de feuilles selon une ou plusieurs des revendications précédentes, caractérisé en ce que les côtés extérieurs du boîtier sont munis en alternance de segments de surface lisse (150, 151) et de segments de surface mate (152, 153, 154) et les côtés intérieurs du boîtier et les pièces qui circulent dans la chambre de séparation (103, 113, 123, 133, 143, 173) sont munis de surfaces mates non adhérentes.
  14. Distributeur de feuilles selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il peut recevoir de manière universelle tous les types de feuilles existants et se compose d'un couteau (70) basculant autour d'un axe et d'au moins une roulette de coupe (72) rotative, notamment d'une roulette de coupe (72) en forme de roulette conique dont la plus grande face est directement voisine du couteau (70) en étant tournée vers celui-ci, et pendant la coupe, on crée des mécanismes de coupe différents suivant le type de feuille.
  15. Distributeur de feuilles selon une ou plusieurs des revendications précédentes, caractérisé en ce que le chariot de coupe (64) comporte deux roulettes de coupe (72, 73) rotatives montées en regard l'une de l'autre et entre celles-ci un couteau (70) basculant autour d'un axe, les deux grandes faces des roulettes coniques étant tournées vers le couteau (70) et l'arête du corps d'une roulette de coupe (73) qui est formée par la grande surface frontale et la surface conique est arrondie alors que l'arête correspondante de l'autre roulette de coupe (72) est une arête vive.
  16. Distributeur de feuilles selon une ou plusieurs des revendications précédentes, caractérisé en ce que l'arête de coupe (94) du dispositif de coupe est en forme de V et est affûtée des deux côtés, sa pointe (93) pénétrant au-delà du diamètre de la roulette de coupe (72) jusque dans la rainure à couteau (6) et les arêtes (94) au niveau des congés (74) de la rainure à couteau (6) sont en retrait derrière le contour de la roulette de coupe (72) ou des roulettes de coupe (72, 73) du fait de la possibilité de basculement.
  17. Distributeur de feuilles selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'une roulette de coupe (72, 73) des dispositifs de coupe (108) est réalisée au niveau de ses surfaces de contact avec la rainure à couteau (6) et/ou les congés (74) de la rainure à couteau (6) pour qu'une partie de la surface conique d'une roulette de coupe (72, 73) roule par friction et/ou liaison de forme sur les congés (74) et qu'une partie extérieure de la surface conique arrive jusque dans la rainure à couteau (6).
  18. Distributeur de feuilles selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'une roulette de friction (148, 158) est intégrée au couteau de coupe (64) et cette roulette est soit de section tronconique et se trouve derrière le couteau (70) ou la roulette de coupe (72) suivant le sens d'extraction de la feuille ou nappe (31), en étant montée notamment sur son axe (92), son plus grand diamètre étant tourné dans la direction d'extraction de la feuille ou nappe (31) et ce diamètre est supérieur à la distance entre l'axe (91) de la roulette de friction et la surface extérieure du boîtier (1, 11, 21) ou en ce que le réglage est incliné par rapport à la surface du distributeur de feuilles pour que la feuille (21) puisse être tendue de manière complémentaire dans la zone de coupe pendant l'opération de coupe.
  19. Distributeur de feuilles selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il est utilisable de manière universelle pour n'importe quel type de feuille, comme appareil à main, appareil mural ou appareil de table.
EP92906897A 1991-03-23 1992-03-20 Distributeur de feuille avec dispositif de separation Expired - Lifetime EP0535182B1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE9103606U 1991-03-23
DE9103605U DE9103605U1 (fr) 1991-03-23 1991-03-23
DE9103606U DE9103606U1 (fr) 1991-03-23 1991-03-23
DE9103605U 1991-03-23
DE9111783U 1991-09-20
DE9111783U DE9111783U1 (fr) 1991-09-20 1991-09-20
PCT/DE1992/000234 WO1992016446A2 (fr) 1991-03-23 1992-03-20 Distributeur de feuille avec dispositif de separation

Publications (2)

Publication Number Publication Date
EP0535182A1 EP0535182A1 (fr) 1993-04-07
EP0535182B1 true EP0535182B1 (fr) 1995-05-17

Family

ID=27208276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92906897A Expired - Lifetime EP0535182B1 (fr) 1991-03-23 1992-03-20 Distributeur de feuille avec dispositif de separation

Country Status (6)

Country Link
EP (1) EP0535182B1 (fr)
AT (1) ATE122641T1 (fr)
DE (1) DE59202224D1 (fr)
DK (1) DK0535182T3 (fr)
ES (1) ES2072755T3 (fr)
WO (1) WO1992016446A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9311833U1 (de) * 1993-08-07 1993-11-18 Hoernlein Reinhard Schneidvorrichtung eines Folienspenders
DE9408030U1 (de) * 1994-05-14 1994-07-14 Melitta Haushaltsprodukte Folienspender für Haushaltsfolien
DE29506549U1 (de) * 1995-04-25 1995-06-22 Kip Malerbedarf Gmbh Vorrichtung zum Abrollen eines aus einer gefalteten Folie und einem Klebstreifen gebildeten Verbunds
AU7565696A (en) * 1995-11-09 1997-05-29 Maurizio Graffei Pack for films for domestic use, in polyethylene, aluminium, ovenproof paper and the like, wound on a roll
WO2004108572A1 (fr) * 2003-05-29 2004-12-16 S. C. Johnson Home Storage, Inc. Appareil pour decouper un film de matiere
DE502004003600D1 (de) * 2004-01-12 2007-06-06 Ray Technology Group B V Vorrichtung zur Aufbewahrung und Abgabe einer Abdeckfolie

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3240093A (en) * 1964-01-14 1966-03-15 Safeguard Corp Continuous sheet dispenser and cutter
FR1467883A (fr) * 1965-12-21 1967-02-03 Hercule Sa Dévidoir pour rubans en matière souple
US3549066A (en) * 1968-06-18 1970-12-22 Union Carbide Corp Dispensing carton
FR2056051A6 (fr) * 1969-08-26 1971-05-14 Plasse Jean
FR2441570A1 (fr) * 1978-11-15 1980-06-13 Leifheit International Dispositif derouleur destine a recevoir au moins un rouleau de papier, voile, feuille ou analogue
EP0413039A1 (fr) * 1989-08-16 1991-02-20 LEIFHEIT Aktiengesellschaft Distributeur rechargeable

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2823969A (en) * 1955-07-21 1958-02-18 Fred C Traver Severing film material
US3236427A (en) * 1963-06-28 1966-02-22 Reynolds Metals Co Dispenser for coiled sheet material
DE3823335C2 (de) * 1988-07-09 1994-03-24 Wulf & Co Emsa Werk Vorrichtung zur Aufnahme einer Folienrolle und zum Abschneiden von Folien-Teilstücken
DE8902353U1 (fr) * 1989-02-28 1989-05-24 Hoernlein, Reinhard, 3450 Holzminden, De
FR2656601B1 (fr) * 1989-12-28 1992-04-24 Maurice Granger Appareil de distribution et de coupe simultanees de bandes de materiaux enroules.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3240093A (en) * 1964-01-14 1966-03-15 Safeguard Corp Continuous sheet dispenser and cutter
FR1467883A (fr) * 1965-12-21 1967-02-03 Hercule Sa Dévidoir pour rubans en matière souple
US3549066A (en) * 1968-06-18 1970-12-22 Union Carbide Corp Dispensing carton
FR2056051A6 (fr) * 1969-08-26 1971-05-14 Plasse Jean
FR2441570A1 (fr) * 1978-11-15 1980-06-13 Leifheit International Dispositif derouleur destine a recevoir au moins un rouleau de papier, voile, feuille ou analogue
EP0413039A1 (fr) * 1989-08-16 1991-02-20 LEIFHEIT Aktiengesellschaft Distributeur rechargeable

Also Published As

Publication number Publication date
ATE122641T1 (de) 1995-06-15
EP0535182A1 (fr) 1993-04-07
WO1992016446A3 (fr) 1993-06-10
ES2072755T3 (es) 1995-07-16
DE59202224D1 (de) 1995-06-22
WO1992016446A2 (fr) 1992-10-01
DK0535182T3 (da) 1995-08-21

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