EP0279920B1 - Appareil de distribution de tranches de bandes de matériaux enroulées - Google Patents

Appareil de distribution de tranches de bandes de matériaux enroulées Download PDF

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Publication number
EP0279920B1
EP0279920B1 EP87117542A EP87117542A EP0279920B1 EP 0279920 B1 EP0279920 B1 EP 0279920B1 EP 87117542 A EP87117542 A EP 87117542A EP 87117542 A EP87117542 A EP 87117542A EP 0279920 B1 EP0279920 B1 EP 0279920B1
Authority
EP
European Patent Office
Prior art keywords
slide
web
blade
rear wall
grooves
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
EP87117542A
Other languages
German (de)
English (en)
Other versions
EP0279920A1 (fr
Inventor
Gerd Dr. Brecht
Hans Hugo Rupp
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.)
Apura GmbH
Original Assignee
Apura GmbH
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
Application filed by Apura GmbH filed Critical Apura GmbH
Priority to AT87117542T priority Critical patent/ATE50911T1/de
Publication of EP0279920A1 publication Critical patent/EP0279920A1/fr
Application granted granted Critical
Publication of EP0279920B1 publication Critical patent/EP0279920B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3631—The cutting devices being driven manually
    • A47K10/3643—The cutting devices being driven manually by pulling the paper

Definitions

  • the invention relates to a device for dispensing sections of a web-shaped material, in particular paper, wound on a roll, with provision of the web end following the separated section, with a holder for the roll of material and a knife corresponding to the web width, which is pivoted about an axis into the rest position and is swung out for the cutting process.
  • a known device of this type is shown in the utility model G 71 41 971.1.
  • the known device consists of a housing with an insertable paper roll, from which paper sections can be separated in any desired length, for. B. kitchen papers.
  • the end of the web hanging out of a slit is gripped with the hands, pulled down in an approximately vertical direction until the desired length is obtained and then cut through in an approximately horizontal direction by pulling.
  • a knife bar is provided, which pivots about its axis during the horizontal pulling movement up to a stop and then remains in a predetermined position. In this position the paper web is torn.
  • the holding of the paper web is supported during the tear-off process in that the inner end of the cutter bar presses the paper web against a stop.
  • the invention is intended to remedy this. It is the object of the invention to provide a device for dispensing web sections, in which the knife swings securely into its non-hazardous, protected position, and in which the web end protruding from the device after the tearing process protrudes with certainty, and of sufficient length.
  • the object is achieved in a device of the aforementioned type according to the invention in that the knife is coupled to an actuatable by the web and in the opposite direction under spring force slider and pivoted by the slider in its pivoted position and in and this is recorded.
  • the knife is no longer subject to pendulum movements determined solely by its own weight, but is forcibly guided by the slide and held in a predetermined position during the entire swiveling-in or out process.
  • the slide in turn, is guided in the grooves of the holding arms of the rear wall of the housing via lateral pins.
  • This guide can be designed such that the knife is locked in the pivoted-in position of the knife. The result of this locking is that the forces acting on the knife in this position cannot pivot the knife out. This is achieved by giving the grooves the shape of an upward wave.
  • connection between the knife and the. Slider can be done via hook-shaped guide lugs attached to the knife, which engage in eye-shaped openings on the slider.
  • the slider itself can have a frame-shaped structure.
  • the slider can be provided with a locking step that engages on the track and on the rear wall floor when the slider is retracted and the traction exerted, thereby holding the slider in a predetermined position until a change in the direction of train on the track to the horizontal.
  • the slide can be provided with a sliding curve for the web, which has a nose pointing downwards. When the slider is retracted, this nose preferably protrudes slightly above the rear wall bottom. On the other hand, when the slide is extended, it forms a stop on the edge of the rear wall floor.
  • the web roll is provided with lateral guide pins which are guided in grooves which run obliquely to the rear wall in the rear wall side walls.
  • the grooves are arranged in such a way that the surface of the roller always rests on the rear wall of the roller support table even when the diameter becomes smaller.
  • the tensile force exerted at the end of the web is determined by the weight of the roll, the geometry of the grooves and the roll support table.
  • the grooves can have the shape of a curved slope.
  • the roller support table is provided with sloping forward-facing bases, i.e. in its position and shape to the bevels so designed that a sufficient braking effect on the roll is guaranteed even with a decreasing roll diameter.
  • Fig. 1 the device is cut vertically exactly in the middle. It shows the inner structure with the cover 1, the knife 2, the tension spring 3, the rear wall base 4, the slider 5 and the paper web 6 shown in broken lines, which is also drawn off the roll 7, also shown in broken lines.
  • the hood 1 consists of the front wall, the ceiling and two side walls. It is open at the back and at the bottom.
  • the rear wall 8 is not shown, on which two holding arms 9 are attached laterally.
  • the holding arms 9 are covered by the side walls of the hood 1.
  • the knife 2 is rotatably supported by pivot 10.
  • the slider 5 is also supported by two laterally attached guide pins 11 in the holding arms 9 of the rear wall 8.
  • the holding arms 9 have grooves 12 in which the pins 11 can slide.
  • the grooves 12 have the shape of a wave.
  • the knife 2 engages with the hook-shaped guide lugs 13 in eyelet-shaped openings 14 of the slide 5.
  • the slide 5 rests with its rear end 15 on the rear wall base 4 and is held in this rest position by the tension spring 3.
  • the tension spring 3 engages with one end on the pin 16 of the slide 5 and with its other end on the socket 17 of the bottom 4.
  • the slide 5 remains in its rest position. After a sufficiently large section of the paper web has been pulled out, the train continues in an approximately horizontal direction. This change in the direction of pull on the paper web 6 causes the slide 5 to be moved in the direction of the front wall of the housing 1. The front edge 18 of the slide causes the knife 2 to rotate into the cutting position shown in FIG. 1. The cutting process begins with the penetration of the teeth of the knife 2 into the paper web 6. After the cutting process has ended, the spring 3 pulls the slide 5 back into its starting position. The end of the web located between the rounded curve 19 of the slider 5 and the knife edge falls down and hangs freely accessible from the housing 1 and the rear wall 8.
  • Fig. 2 shows a section through the rear wall 8 and the hood 1.
  • Slider 5 and knife 2 are in the rest position.
  • the largest and smallest roller diameters are shown in dash-dot lines.
  • the direction of rotation is indicated by the bright arrows.
  • the downward movement of the guide pins 21 as the roller diameter becomes smaller is indicated by the full arrow.
  • the rear wall 8 is mounted on a building wall.
  • the openings 20 are used to introduce any fasteners.
  • the roller 7 is inserted with its lateral guide pins 21 into the grooves 22 inserted in the side walls 9 of the rear wall 8.
  • the grooves 22 run in a specific arc to the rear wall 8.
  • the distance between the grooves 22 and the rear wall 8 is dimensioned such that the roller 7 does not rest with its surface on the rear wall 8.
  • the roller 7 remains on the roller support table 23.
  • the shape of the grooves 22 and the shape of the. Roller support table 23 and their mutual association with one another determine the tensile force at the end of the paper. Thrust faces 24 serve to guide the roller 7 laterally.
  • the bore 32 is provided for receiving the pivot 10 of the knife 2.
  • the groove 12 for receiving the pin 11 of the slide 5.
  • the wave shape of the groove 12 is clearly visible.
  • the bottom 4 extends between the two arms 9.
  • FIG. 3 shows a knife section.
  • the knife 2 pivots about the axis 10. Its cutting edge 25 is equipped with saw teeth 30.
  • the knife 2 has on its surface the guide lugs 13 which, as described in FIG. 1, engage in corresponding openings 14 in the slide 5.
  • 3 also shows the knife 2 in a side view.
  • the slider 5 Due to the change in the direction of the web 6, the slider 5 is raised slightly in order to unlock it.
  • the latching step 26 causes the slide 5 to be raised.
  • Fig. 6 the knife 2 is in its cutting position and the web 6 is cut.
  • the slider 5 is in its outermost position to the front.
  • Fig. 7 the web 6 is cut.
  • the slider 5 is retracted into its starting position by the spring 3. With the slider 5 also the knife 2.
  • the knife 2 is already at its stop with its cutting edge.
  • the latching step 26 of the slider 5 slides behind the edge 27 of the base 4 and causes the above-mentioned locking of the knife 2 in the protected position.
  • the web 6 is also partially withdrawn.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Replacement Of Web Rolls (AREA)
  • Chutes (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Claims (14)

1. Appareil de distribution de tronçons d'un matériau en forme de bandes enroulé sur une bobine, notamment du papier, avec maintien en attente de l'extrémité de la bande succédant au tronçon sectionné, présentant un support pour la bobine de matériau, ainsi qu'une lame qui correspond à la largeur de la bande, peut pivoter autour d'un axe, est rentrée par pivotement à la position de repos, et est sortie par pivotement en vue du processus de sectionnement, caractérisé par le fait que la lame (2) est accouplée à un coulisseau (5) actionnable par l'intermédiaire de la bande (6) et soumis, dans la direction inverse, à la force d'un ressort (3); et est animée, par ce coulisseau (5), d'un pivotement à sa position rentrée et sortie par pivotement, dans laquelle elle est consignée à demeure.
2. Appareil selon la revendication 1, caractérisé par le fait que la lame (2) est retenue, par l'entremise de tourillons (10), dans des bras de retenue (9) de la paroi postérieure (8).
3. Appareil selon la revendication 1 ou 2, caractérisé par le fait que le coulisseau (5) est guidé, par l'intermédiaire de tenons latéraux de guidage (11), dans des encoches (12) pratiquées dans les bras de retenue (9) de la paroi postérieure (8).
4. Appareil selon la revendication 3, caractérisé par le fait que les encoches (12) revêtent la forme d'une ondulation dirigée vers le haut.
5. Appareil selon l'une des revendications 1 à 4, caractérisé par le fait que la lame (2) est pourvue d'appendices de guidage (13) en forme de crochets, qui pénètrent dans des orifices (14) en forme d'oeillets, pratiqués dans le coulisseau (5).
6. Appareil selon l'une des revendications 1 à 5, caractérisé par le fait que le coulisseau (5) glisse sur le fond (4) par son extrémité (15) tournée à l'opposé des tenons (11).
7. Appareil selon l'une des revendications 1 à 6, caractérisé par le fait que la force élastique est développée par un ressort (3) en prise avec le coulisseau (5), et avec le fond (4) du boîtier.
8. Appareil selon l'une des revendications 1 à 7, caractérisé par le fait que le coulisseau (5) présente une structure en forme de cadre.
9. Appareil selon l'une des revendications 1 à 8, caractérisé par le fait que le coulisseau (5) est doté d'un décrochement d'encliquetage (26) qui s'encliquette, sur le fond (4) du boîtier, lorsque ledit coulisseau (5) est rentré et qu'une force de traction vers le bas est appliquée à la bande (6), et se dé- sencliquette lors d'une variation de la force de traction par rapport à l'horizontale.
10. Appareil selon l'une des revendications 1 à 9, caractérisé par le fait que le coulisseau (5) est muni d'un arrondi de glissement (19) destiné à la bande (6), et présentant un mentonnet (28) tourné vers le bas.
11. Appareil selon l'une des revendications 1 à 10, caractérisé par le fait que le mentonnet (28) fait saillie vers le bas, au-delà du fond (4) du boîtier, lorsque le coulisseau (5) est rentré.
12. Appareil selon l'une des revendications 1 à 11, caractérisé par le fait que la bobine (7) présente des tétons latéraux de guidage (21) mobiles dans des saignées (22) qui s'étendent à l'oblique par rapport à la paroi postérieure (8), et sont façonnées dans des parois latérales (29) de la paroi postérieure du boîtier.
13. Appareil selon l'une des revendications 1 à 12, caractérisé par le fait que les saignées (22) ont la forme d'un arc de cercle.
14. Appareil selon l'une des revendications 1 à 13, caractérisé par le fait que la paroi postérieure (8) comporte, à son extrémité inférieure (30), un plateau (23) porte-bobine qui s'étend à l'oblique vers l'avant.
EP87117542A 1987-02-24 1987-11-27 Appareil de distribution de tranches de bandes de matériaux enroulées Expired - Lifetime EP0279920B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87117542T ATE50911T1 (de) 1987-02-24 1987-11-27 Vorrichtung zur ausgabe von abschnitten eines auf einer rolle aufgewickelten bahnfoermigen materials.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3705808 1987-02-24
DE19873705808 DE3705808A1 (de) 1987-02-24 1987-02-24 Vorrichtung zur ausgabe von abschnitten eines auf einer rolle aufgewickelten bahnfoermigen materials

Publications (2)

Publication Number Publication Date
EP0279920A1 EP0279920A1 (fr) 1988-08-31
EP0279920B1 true EP0279920B1 (fr) 1990-03-14

Family

ID=6321605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87117542A Expired - Lifetime EP0279920B1 (fr) 1987-02-24 1987-11-27 Appareil de distribution de tranches de bandes de matériaux enroulées

Country Status (3)

Country Link
EP (1) EP0279920B1 (fr)
AT (1) ATE50911T1 (fr)
DE (3) DE8717588U1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4034504A1 (de) * 1990-10-30 1992-05-07 Feldmuehle Gmbh Scott Vorrichtung zum ausgeben von bahnabschnitten von einer abgaberolle
GB2255925A (en) * 1991-02-06 1992-11-25 Guardline Limited Foil or film dispenser
DE29612436U1 (de) * 1996-07-17 1996-09-19 Heinrich J. Kesseböhmer Draht- und Metallwarenfabrik, 49152 Bad Essen Trennvorrichtung für Folienbahnen
US6039102A (en) * 1997-05-14 2000-03-21 3M Innovative Properties Company Sheet material dispenser with safer sheet cutting means
CN111320022B (zh) * 2020-04-16 2024-08-30 南通远顺耐纤有限公司 一种阻燃陶瓷纤维纸

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT289339B (de) * 1969-02-27 1971-04-13 Paul Aschbacher Ausgabevorrichtung für von einem Streifen abgetrennte Blätter bestimmten Ausmaßes
CH576776A5 (en) * 1974-04-26 1976-06-30 Budmiger Hermann Cotton wool dispenser - fitted with measuring and cutting devices refill pack and actuating member
CH633172A5 (en) * 1978-06-21 1982-11-30 Apura Gmbh Device for dispensing portions of paper of a given length

Also Published As

Publication number Publication date
DE8717588U1 (de) 1989-03-30
DE3761872D1 (de) 1990-04-19
DE3705808A1 (de) 1988-09-01
EP0279920A1 (fr) 1988-08-31
ATE50911T1 (de) 1990-03-15

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