EP0340124A1 - Device for distributing zig-zag-folded sanitary materials from flat wound webs - Google Patents
Device for distributing zig-zag-folded sanitary materials from flat wound webs Download PDFInfo
- Publication number
- EP0340124A1 EP0340124A1 EP19890420142 EP89420142A EP0340124A1 EP 0340124 A1 EP0340124 A1 EP 0340124A1 EP 19890420142 EP19890420142 EP 19890420142 EP 89420142 A EP89420142 A EP 89420142A EP 0340124 A1 EP0340124 A1 EP 0340124A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- support
- folded
- toothed wheels
- accordion
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 36
- 238000005520 cutting process Methods 0.000 claims description 38
- 238000007493 shaping process Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 230000005489 elastic deformation Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 210000002105 tongue Anatomy 0.000 claims description 2
- 230000037430 deletion Effects 0.000 claims 1
- 238000012217 deletion Methods 0.000 claims 1
- 210000000056 organ Anatomy 0.000 claims 1
- 238000009826 distribution Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
Classifications
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- 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
-
- 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
- B65H35/006—Article or web delivery apparatus incorporating cutting or line-perforating devices with means for delivering a predetermined length of tape
-
- 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
- A47K10/3637—The cutting devices being driven manually using a crank or handle
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
- B65H37/06—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for folding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T225/00—Severing by tearing or breaking
- Y10T225/30—Breaking or tearing apparatus
- Y10T225/371—Movable breaking tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/465—Cutting motion of tool has component in direction of moving work
- Y10T83/4766—Orbital motion of cutting blade
- Y10T83/4795—Rotary tool
- Y10T83/4804—Single tool action drive
- Y10T83/4807—With one-revolution drive
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/465—Cutting motion of tool has component in direction of moving work
- Y10T83/4766—Orbital motion of cutting blade
- Y10T83/4795—Rotary tool
- Y10T83/4812—Compound movement of tool during tool cycle
Definitions
- the object of the invention relates to the technical sector of devices for dispensing wiping materials of the paper, wadding, nonwoven and other types.
- the depositor offers a device which automatically ensures the reliable distribution of the finest lengths of wiping material.
- the device is remarkable in that it is arranged with a support receiving the wiping material presented flat and wound on a reel, means ensuring the folding in accordion of the strip unrolled at from said support inside the device and from the guide means is driving said strip folded in an accordion towards the exit of the device when the pulling end is pulled manually.
- the apparatus is equi pe means for cutting the folded and pulled strip combined or not with the means for guiding and driving said strip and acting automatically or not when a determined length of strip has been pulled.
- the means ensuring the folding in accordion of the strip unwound from the reel support consist of a plurality of elongated projections and arranged at regular intervals on the one hand on a fixed part of the device, and on the other hand, on a mobile part of the device; said projections being oriented to extend over the greater part of the width of the strip of material at their upper end and to converge towards the means for guiding and driving said strip at their lower end; the protrusions of the movable part being placed in the intervals of the protrusions of the fixed part when said movable part is applied against the fixed part, the unwound strip of the coil passing between the two series of protrusions.
- the means for guiding and driving the accordion-folded strip consist of at least two toothed wheels arranged for free rotation below the folding means and meshing together leaving the passage between them to said folded strip ; said wheels being driven in rotation by traction on the end of the folded strip projecting under the device.
- a deflection and conformation member extending in most of the width of the strip and arranged in an arc to orient the strip towards the point of convergence.
- the return and shaping member is established with an elastic deformation capacity by itself or by its mounting on the device.
- one of the toothed wheels is rotated by an auxiliary device, preferably accessible from outside the device.
- the assembly of guide means and cutting means is designed in the form of sets of interchangeable cassettes with toothed wheels of different diameters.
- These interchangeable cassettes contain all the elements necessary for guiding, driving and cutting the folded strips, that is to say the two sets of toothed wheels, the jaws of support and counter-support with the cutting member and their connecting members to the toothed wheels, the device's manual loading device and the stop and non-return members of the toothed wheels, said cassettes being engaged in guided sliding on the fixing support of the device and locked in position by any operable means.
- the back teeth with full teeth have modules which are lower than those of the front teeth with broken teeth for positioning the support and counter-support jaws, so that the rear toothed wheels mesh between they play without play, while the front gear wheels mesh with a regular play allowing the passage of the folded strip.
- the serrated cutting blade is fixedly mounted inside the support jaw hinged elastically on its den wheel. tee and that the counter-support jaw also hinged elastically on its toothed wheel, at the inner lower part has a projection intended to push the folded strip inside the support jaw, and at the inner upper part a separation center now the band between the two teeth of the cutting blade.
- the apparatus illustrated essentially comprises a fixed part (1) arranged to be suspended from a vertical support, a mobile part (2) articulated at (3) at the lower end of the part (1) and a closing cover (not shown) covering both parts.
- the fixed part (1) is formed by a bottom plate (1a) inclined in its height and by two triangular wings (1b) bearing against the vertical support delimiting a rear space intended to house mechanisms.
- the plate (1a) has a plurality (five for example) of protrusions (1c) elongated and arranged at regular intervals in a fan shape, that is to say a vertical central projection (1c1) and on both sides, inclined projections (1c2) extending from the outside towards the center, to converge together towards means for guiding and driving the material strip, which consist of either two toothed wheels, either of two sets of toothed wheels (4) - (5) and (6) - (7) mounted with free rotation on either side of the bottom plate (1a) and meshing together, while leaving the passage to the folded strip of material.
- the plate (1a) is extended perpendicularly forward by a wall (1d) which is in broken in its middle for the passage of the strip of folded material: the opening (1e) thus produced being profiled with wide rounded entry (1e1) to facilitate the engagement of said strip.
- the mobile part (2) consists of an offset wall (2a) and two profiled wings (2b), the lower part of which receives the articulation (3) with the fixed part (1).
- the wings are extended by a support (S) or by arms with elastic positioning equipped with means for centering with free rotation of the roll (R) of material to be dispensed.
- the wall (2a) has, near its end opposite the articulation (3), a plurality (four for example) of projections (2c) of the same nature as the projections (1c) and positioned so that when the movable part (2) is applied against the fixed part (in abutment on the plate (1a) by supports (2b1) of the wings), the projections (2c) are arranged in the intervals of the projections (1c), as seen in the figures 2 and 3.
- projections (1c) and (2c) are convex in their length and their edge in contact with the strip of material engaged between them is rounded to facilitate the introduction, sliding and folding of said strip.
- the plate (2a) has a curved member (C) for returning and shaping the unwound strip before it passes between the folding projections.
- This member can be a simple bead formed in the plate (2a), or as illustrated in FIGS. 1 and 3, an attached member and constituted either by a curved tube (8) or by a series of rollers (9) which are mounted with free rotation on a curved bar (10) whose ends are directly or attached to the plate (2a).
- the tube or the rollers can be made of flexible material (FIG. 3) or else the bar (10) for mounting the tube or the rollers can be connected elastically to the plate (2a) for example by pivoting levers (11) with return spring (12) cooperating with the wings (FIG. 1).
- the strip of material When loading the device, the strip of material is unwound from the reel mounted on its support, then positioned on the return and shaping member and engaged between the movable part released from the fixed part until its end free overflows at the bottom of the device.
- the mobile part is then applied against the fixed part, thereby initiating the folding of the strip by the projections (1c) and (2c).
- the protruding end is pulled manually, the folded strip automatically passes between the guide and finishing sprockets of the folds which are then rotated to a determined stop point.
- the strip thus pulled can then be detached using a cutting member associated with the device and acting either by an independent manual action, or by the same pulling action oriented towards the end of the travel relative to the opening. passage of the strip, so that the end remaining in the device overflows to be accessible for a new distribution.
- the guide and drive means consist only of two toothed wheels meshing together.
- toothed wheels (4) - (6) located at the front of the plate (1a) have clearances (4a) - (6a) interrupting the toothing.
- a squared support (13) is pivotally mounted at (14) by its middle part on the wheel (4) and one of its ends located in the recess (4a) receives at oscillation, at (15), a counter-support jaw (16) U-shaped.
- Another squared support (17) is fixed on the toothed wheel (6) with one end located in the recess (6a) and on which is articulated in (18) a support jaw (19) in the form of U.
- the support (13) is resiliently recalled by a spring (20) in the position where the axis of oscillation (15) is furthest away from the axis of the toothed wheel (4) and the jaw (16) is also associated to a return spring (21).
- the serrated cutting blade (22) is directly or attached to the toothed wheel (6) which has for this purpose a projection (6b) in the middle of the clearance (6a ). Said projection (6b) then receives the axis (18) of oscillation of the jaw (19) which can pivot in said clearance against a return spring (23), when it comes into contact with the opposite jaw (16) thereby releasing the cutting blade which can then penetrate the folded strip during the rotation of the toothed wheels.
- the teeth of the toothed wheels (4) and (6) have wide rounded edges both in their profile and in their width. In this way, when the folded and pulled strip is detached, it partially unfolds quite naturally and the user can thus have a large wiping surface.
- the axes (14) and (18) of pivoting of the jaws are offset downward relative to the center of said jaws in order to ensure the exact superposition of the support parts of the jaws as well as the firm tightening of the strip. folded for the duration of the cut with corresponding rotation of the gear wheels.
- the complete toothed wheels (5) and (7) are subjected to the action of a spring (24) attached eccentrically and intended to store the energy necessary for cutting and at the launching of the toothed wheels after the cut of the pulled strip in order to reposition in overflow of the device the end of the next strip.
- one of the toothed wheels (5) or (7) cooperates with a pawl (25) articulated elastically on the plate (1a).
- the rotary drive from the outside of the device of one of the toothed wheels.
- the folded strip which is pulled with each pull ma nuelle has a length corresponding to the circumference of the toothed wheels, this in the case where the cutting members are combined with the rotation of said wheels.
- the apparatus consists essentially of four distinct parts, namely: a support (A) for fixing relative to any surface, a spool-carrying element (B), a closure cover (D), and an interchangeable cassette (E) carrying all the mechanisms necessary for driving and cutting the strips previously folded into an accordion by conforming means established on the support (A) and on the reel holder (B).
- the support (A) comprises a bottom plate (40) for fixing the device and two triangular wings (41-42).
- the member (45) is provided with a certain capacity for elastic deformation in order to avoid any risk of rupture of the strip under the tensile force.
- the member (45) is mounted on a flap (46) carrying the projections (44) and articulated at (47) to the coil support (48), with the possibility of limited angular movement in the direction of traction (figure 11).
- the reel support (48) has means (49) for centering and positioning with free rotation of the reel of wiping material, with adjustment or interchangeability possible for mounting reels of different widths.
- an annular crown (50) fi detachably attached to one of the means (49) is fitted with flexible tongues (51) pressing and pressing against the arms (48a) of the support in order to brake the unwinding of the new reel up to approximately half of its unfolding thus avoiding the formation of loops by reaction due to traction on the accessible strip.
- the interchangeable cassette (E) consists of a parallelipipedic box (52) comprising a rear face (52a), two lateral sides (52b), a front face (52c) with central opening (52c1) for the passage of the strip to the loading, and a bottom (52d), the upper face opposite the bottom being open.
- the lateral sides preferably have, offset in width, a groove (52e) opening out at the upper part with an opening (52f) near said upper part.
- Slides (53) are fixed by their lower and middle part on the inner face of the wings (41-42) of the support (A) in order to engage in sliding guided cassette by its grooves (52e), until the openings (52f) abut against profiled projections (53a) formed near the upper end of the slides.
- the slides have massive shapes (53b) allowing the cassette to be unlocked manually by elastic spacing.
- the slides are extended beyond the projections (53a) to near the upper part of the wings (41-42) of the support.
- the bottom plate (40) has trans versally parallel guides (40a) in which are engaged by clipping bars (54) which can slide freely in the guides.
- an eccentric lever (55) allowing by an angular displacement less than 90 °, the simultaneous spacing of the slides which can be housed in the windows (41a-42a) extended to this effect, and thus ensure the unlocking of the cassette at the projections (53a) and the openings (52f).
- two sets of coaxial toothed wheels are mounted for free rotation intended for guiding and driving the folded strip upstream, and passing between the two trains.
- the two pairs of toothed wheels are established with different modules.
- the guide toothed wheels (56-57) with full teeth have a lower module than that of the drive toothed wheels (58-59).
- the guide toothed wheels mesh with each other without play, while the drive toothed wheels mesh with each other with a regular play allowing the passage without jamming of the folded strip and maintaining correctly face to face and without sliding the jaws support (60) and counter-support (61) which are mounted respectively with elastic articulation on a fixed support (62) and a mobile support (63) connected to the toothed wheels (58-59) at the clearances (58a -59a).
- the drive gear wheels (58-59) have on the outside (figure (15) a rounded edge (58a-59a) facilitating the engagement of the strip when loading the device, while the the inside of the teeth is striated.
- the drive of the folded strip is improved by particular arrangements of the jaws, namely: micro-asperities produced on the facing faces of at least one jaw, a projection (61a) formed at the part internal lower of the counter-jaw (61) which makes it possible to push the strip inside the support jaw and a central separation (61b) formed at the internal upper part to hold the strip between the two teeth of the cutting blade (64) fixedly mounted the jaw (60).
- a projection (61a) formed at the part internal lower of the counter-jaw (61) which makes it possible to push the strip inside the support jaw
- a central separation (61b) formed at the internal upper part to hold the strip between the two teeth of the cutting blade (64) fixedly mounted the jaw (60).
- a finger (61c) of the jaw (61) rotates the vertical branch (66a) of a lever (66) articulated on the front face (52c) of the cassette, and the other perpendicular branch ( 66b) of the lever engages between the toothed wheels (57) and (59) to abut against a projection (67) when the finger (61c) escapes from the branch (66a), and thus stop the train of toothed wheels.
- the lever (66) returned by spring returns to its initial position and the projection (61a) of the jaw (61) comes to rest against a non-return pawl (68).
- the outlet (F) of the folded strip is delimited by a funnel formed by a triangle (52c1) of two inclined walls (69), two crazy side rollers (70) carried by the faces (52a and 52c) and a third front idler roller (71) carried by the reel holder (B).
- an additional ratchet lever device (72) makes it possible to act on one of the toothed guide wheels to cause the strip of material to overflow when the device is loaded.
- the rolls of wiping materials can have different widths.
- the centering devices of the coil are adjustable in spacing (by screwing or unscrewing in particular), either interchangeable like those illustrated in FIG. 7 where said members (28) and (29) can be either placed one behind the other with an intercalated flange (30) or dissociated, thus obtaining three distinct and more spacings , due to the elasticity of construction of the arms (2c).
- FIG. 6 schematically illustrates another embodiment of the apparatus.
- the fixed part (31) connecting with a vertical support is composed of a bottom plate (31a) and a perpendicular side plate (31b).
- the bottom plate receives the reel of material perpendicularly by a mandrel (32), while the side plate carries on the internal side and at its upper part the member (33) for returning and shaping the strip, on the external side a part of the folding projections (34) and the means (35) for guiding and driving the folded strip, possibly with the cutting members.
- the side plate hingedly receives a plate (36) carrying the complementary part (37) of the folding projections and allowing the passage of the folded strip for manual pulling.
- a closing cover (38), equipped with a reel holding member (39), ensures the retention of the plate (36) against the side plate (31b).
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Replacement Of Web Rolls (AREA)
- Basic Packing Technique (AREA)
- Making Paper Articles (AREA)
Abstract
Description
L'objet de l'invention se rattache au secteur technique des dispositifs de distribution de matériaux d'essuyage du type papier, ouate, non tissé et autres.The object of the invention relates to the technical sector of devices for dispensing wiping materials of the paper, wadding, nonwoven and other types.
On connaît de nombreux appareils et dispositifs conçus pour distribuer automatiquement ou non des longueurs de matériaux d'essuyage dans les sanitaires publics ou privés.Many devices and devices are known which are designed to automatically or not distribute lengths of wiping material in public or private sanitary facilities.
Ces moyens utilisent des matériaux divers : papier, ouate, non tissé, qui sont dotés d'un certain pouvoir d'absorbtion. Pour des raisons essentiellement économiques, les matériaux employés sont de plus en plus fins et donc plus fragiles.These means use various materials: paper, wadding, nonwoven, which are endowed with a certain absorbing power. For essentially economic reasons, the materials used are becoming thinner and therefore more fragile.
Lorsqu'on veut mettre à la disposition de l'utilisateur un appareil permettant une distribution automatique de longueurs déterminées de ces types de matériaux par simple traction sur une partie débordante de l'appareil, comme c'est le cas pour les appareils ayant fait l'objet de protections par brevets et dont le déposant est également le titulaire, on comprend que compte-tenu des résistances à la traction, aussi faibles soient-elles, et du fait que l'utilisateur a les mains mouillées, il peut arriver avec des matériaux très fragiles, de déchirer la bande tirée avant la fin de la distribution.When we want to make available to the user a device allowing automatic distribution of determined lengths of these types of materials by simple traction on an overhanging part of the device, as is the case with devices having made the subject to patent protection and of which the applicant is also the holder, it is understood that taking into account the tensile strengths, as low as they are, and the fact that the user has wet hands, he can arrive with very fragile materials, to tear the strip pulled before the end of the distribution.
Pour supprimer tout risque de ce genre, le déposant propose un appareil assurant automatiquement la distribution fiable de longueurs de matériaux d'essuyage les plus fins.To eliminate any such risk, the depositor offers a device which automatically ensures the reliable distribution of the finest lengths of wiping material.
Pour cela et selon une première caractéristique, l'appareil est remarquable en ce qu'il est agencé avec un support recevant le matériau d'essuyage présenté à plat et enroulé sur une bobine, des moyens assurant le pliage en accordéon de la bande déroulée à partir dudit support à l'intérieur de l'appareil et des moyens de guidage est d'entraînement de ladite bande pliée en accordéon vers la sortie de l'appareil lorsqu'on tire manuellement sur l'extrémité débordante.For this and according to a first characteristic, the device is remarkable in that it is arranged with a support receiving the wiping material presented flat and wound on a reel, means ensuring the folding in accordion of the strip unrolled at from said support inside the device and from the guide means is driving said strip folded in an accordion towards the exit of the device when the pulling end is pulled manually.
Selon une autre caractéristique, l'appareil est équi pé de moyens de coupe de la bande pliée et tirée combinés ou non avec les moyens de guidage et d'entraînement de ladite bande et agissant automatiquement ou non lorsqu'on a tiré une longueur déterminée de bande.According to another characteristic, the apparatus is equi pe means for cutting the folded and pulled strip combined or not with the means for guiding and driving said strip and acting automatically or not when a determined length of strip has been pulled.
Une autre caractéristique se trouve dans le fait que les moyens assurant le pliage en accordéon de la bande déroulée à partir du support de bobine sont constitués par une pluralité de saillies allongées et disposées à intervalles réguliers d'une part sur une partie fixe de l'appareil, et d'autre part, sur une partie mobile de l'appareil ; lesdites saillies étant orientées pour s'étendre sur la plus grande partie de la largeur de la bande de matériau à leur extrémité supérieure et pour converger vers les moyens de guidage et d'entraînement de ladite bande à leur extrémité inférieure; les saillies de la partie mobile se plaçant dans les intervalles des saillies de la partie fixe lorsque ladite partie mobile est appliquée contre la partie fixe, la bande déroulée de la bobine passant entre les deux séries de saillies.Another characteristic is found in the fact that the means ensuring the folding in accordion of the strip unwound from the reel support consist of a plurality of elongated projections and arranged at regular intervals on the one hand on a fixed part of the device, and on the other hand, on a mobile part of the device; said projections being oriented to extend over the greater part of the width of the strip of material at their upper end and to converge towards the means for guiding and driving said strip at their lower end; the protrusions of the movable part being placed in the intervals of the protrusions of the fixed part when said movable part is applied against the fixed part, the unwound strip of the coil passing between the two series of protrusions.
Selon une autre caractéristique, les moyens de guidage et d'entraînement de la bande pliée en accordéon sont constitués par au moins deux roues dentées disposées à rotation libre en dessous des moyens de pliage et engrenant ensemble en laissant le passage entre elles à ladite bande pliée ; lesdites roues étant entraînées en rotation par traction sur l'extrémité de la bande pliée débordant sous l'appareil.According to another characteristic, the means for guiding and driving the accordion-folded strip consist of at least two toothed wheels arranged for free rotation below the folding means and meshing together leaving the passage between them to said folded strip ; said wheels being driven in rotation by traction on the end of the folded strip projecting under the device.
Pour amener la bande déroulée à plat de la bobine dans de bonnes conditions entre les moyens de pliage en accordéon, il est prévu de préférence sur la partie mobile, en amont desdits moyens de pliage, un organe de renvoi et de conformation s'étendant dans la plus grande partie de la largeur de la bande et disposé en arc de cercle pour préorienter la bande vers le point de convergence.To bring the strip unwound flat from the reel in good conditions between the accordion folding means, there is preferably provided on the movable part, upstream of said folding means, a deflection and conformation member extending in most of the width of the strip and arranged in an arc to orient the strip towards the point of convergence.
Pour éviter tout risque de déchirement de la bande déroulée sous l'effet de traction manuelle sur l'extrémité débordante, l'organe de renvoi et de conformation est établi avec une capacité de déformation élastique par lui-même ou par son montage sur l'appareil.To avoid any risk of tearing of the strip unrolled under the effect of manual traction on the overhanging end, the return and shaping member is established with an elastic deformation capacity by itself or by its mounting on the device.
Pour charge l'appareil avec une bobine neuve et assurer le débordement sous l'appareil d'une bande pliée prête à être tirée, l'une des roues dentées est entraînée en rotation par un dispositif annexe, de préférence accessible depuis l'extérieur de l'appareil.To load the device with a new coil and ensure the overflow under the device of a folded strip ready to be pulled, one of the toothed wheels is rotated by an auxiliary device, preferably accessible from outside the device.
La longueur de bande pliée et distribuée par l'appareil avec les moyens de guidage et d'entraînement étant sensiblement égale à la circonférence des roues dentées lorsque les moyens de coupe sont combinés avec lesdites roues, il est apparu intéressant de prévoir la possibilité de faire varier cette longueur selon l'utilisation désirée.The length of strip folded and distributed by the apparatus with the guide and drive means being substantially equal to the circumference of the toothed wheels when the cutting means are combined with said wheels, it appeared advantageous to provide the possibility of making vary this length according to the desired use.
Pour cela, l'ensemble moyens de guidage et moyens de coupe est conçu sous la forme de jeux de cassettes interchangeables avec des roues dentées de différents diamètres. Ces cassettes interchangeables contiennent tous les éléments nécessaires au guidage, à l'entrainement et à la coupe des bandes pliées, c'est-à-dire les deux trains de roues dentées, les mâchoires d'appui et de contre-appui avec l'organe de coupe et leurs organes de liaison aux roues dentées, le dispositif de chargement manuel de l'appareil et les organes d'arrêt et anti-retour des roues dentées, lesdites cassettes étant engagées à coulissement guidé sur le support de fixation de l'appareil et verrouillées en position par tous moyens manoeuvrables.For this, the assembly of guide means and cutting means is designed in the form of sets of interchangeable cassettes with toothed wheels of different diameters. These interchangeable cassettes contain all the elements necessary for guiding, driving and cutting the folded strips, that is to say the two sets of toothed wheels, the jaws of support and counter-support with the cutting member and their connecting members to the toothed wheels, the device's manual loading device and the stop and non-return members of the toothed wheels, said cassettes being engaged in guided sliding on the fixing support of the device and locked in position by any operable means.
Selon une autre caractéristique les roues à denture complète à l'arrière ont des modules inférieurs à ceux des roues à denture interrompue à l'avant pour le positionnement des mâchoires d'appui et de contre-appui, afin que les roues dentées arrière engrènent entre elles sans jeu, tandis que les roues dentées avant engrènent avec un jeu régulier autorisant le passage de la bande pliée.According to another characteristic, the back teeth with full teeth have modules which are lower than those of the front teeth with broken teeth for positioning the support and counter-support jaws, so that the rear toothed wheels mesh between they play without play, while the front gear wheels mesh with a regular play allowing the passage of the folded strip.
D'autres caractéristiques se trouvent dans le fait que la lame de coupe dentelée est montée fixement à l'intérieur de la mâchoire d'appui articulée élastiquement sur sa roue den tée et que le mâchoire de contre-appui également articulée élastiquement sur sa roue dentée, à la partie inférieure interne présente une saillie destinée à pousser la bande pliée à l'intérieur de la mâchoire d'appui, et à la partie supérieure interne une séparation médiane maintenant la bande entre les deux dents de la lame de coupe.Other characteristics are found in the fact that the serrated cutting blade is fixedly mounted inside the support jaw hinged elastically on its den wheel. tee and that the counter-support jaw also hinged elastically on its toothed wheel, at the inner lower part has a projection intended to push the folded strip inside the support jaw, and at the inner upper part a separation center now the band between the two teeth of the cutting blade.
Ces caractéristiques et d'autre encore ressortiront de la description qui suit.These characteristics and others will emerge from the description which follows.
Pour fixer l'objet de l'invention sans toutefois le limiter, dans les dessins annexés :
- - la figure 1 est une vue de face illustrant l'appareil selon l'invention avec capot enlevé et en position ouvert,
- - la figure 2 est une vue en coupe considérée suivant la ligne 2-2 de la figure 1 représentant l'appareil en position fermée,
- - la figure 3 est une vue arrière avec coupe partielle illustrant l'appareil en position fermée,
- - la figure 4 est une vue de détail à plus grande échelle et en coupe montrant le montage de la lame de coupe et son action selon une première forme de réalisation,
- - la figure 5 est une vue semblable à la figure 4, montrant le montage de la lame de coupe et son action selon une autre forme de réalisation,
- - la figure 6 est une vue en perspective à caractère très schématique illustrant une autre forme de réalisation de l'appareil,
- - la figure 7 est une vue de détail en coupe montrant le montage du rouleau de matériau sur son support,
- - la figure 8 est une vue en perspective illustrant le pliage de la bande de matériau obtenu avec l'appareil.
- - La figure 9 est une vue en perspective illustrant séparément une cassette porte-mécanismes et le support de fixation de l'appareil.
- - La figure 10 est une vue de côté illustrant schématiquement l'appareil selon l'invention fixé sur une surface ho rizontale.
- - La figure 11 est une vue de face de l'appareil représenté avec l'élément porte-bobine et conformateur abaissé.
- - Les figures 12, 13, 14 sont des vues avant illustrant la cassette interchangeable respectivement dans les positions de repos, au début de la coupe de la bande, et avant blocage anti-retour.
- - La figure 15 est une vue en coupe considérée suivant la ligne 15-15 de la figure 14.
- -La figure 16 est une vue en coupe partielle considérée suivant la ligne 16-16 de la figure 15.
- FIG. 1 is a front view illustrating the apparatus according to the invention with the cover removed and in the open position,
- FIG. 2 is a sectional view taken along line 2-2 of FIG. 1 showing the device in the closed position,
- FIG. 3 is a rear view with partial section illustrating the device in the closed position,
- FIG. 4 is a detail view on a larger scale and in section showing the mounting of the cutting blade and its action according to a first embodiment,
- FIG. 5 is a view similar to FIG. 4, showing the mounting of the cutting blade and its action according to another embodiment,
- FIG. 6 is a very schematic perspective view illustrating another embodiment of the apparatus,
- FIG. 7 is a detailed view in section showing the mounting of the roll of material on its support,
- - Figure 8 is a perspective view illustrating the folding of the strip of material obtained with the device.
- - Figure 9 is a perspective view separately illustrating a mechanism holder cassette and the device mounting bracket.
- - Figure 10 is a side view schematically illustrating the apparatus according to the invention fixed on a surface ho rizontale.
- - Figure 11 is a front view of the device shown with the reel holder element and lowered shaper.
- - Figures 12, 13, 14 are front views illustrating the interchangeable cassette respectively in the rest positions, at the start of the cutting of the strip, and before non-return locking.
- - Figure 15 is a sectional view taken along line 15-15 of Figure 14.
- FIG. 16 is a partial sectional view taken along line 16-16 of FIG. 15.
Afin de rendre plus concret l'objet de l'invention, on le décrit maintenant sous des formes non limitatives de réalisation illustrées aux figures des dessins.In order to make the object of the invention more concrete, it is now described in nonlimiting embodiments illustrated in the figures of the drawings.
L'appareil illustré comprend essentiellement une partie fixe (1) agencée pour être suspendue à un support vertical, une partie mobile (2) articulée en (3) à l'extrémité inférieure de la partie (1) et un capot de fermeture (non représenté) recouvrant les deux parties. la partie fixe (1) est formée d'une plaque de fond (1a) inclinée dans sa hauteur et de deux ailes triangulaires (1b) d'appui contre le support vertical délimitant un espace arrière destiné à loger des mécanismes.The apparatus illustrated essentially comprises a fixed part (1) arranged to be suspended from a vertical support, a mobile part (2) articulated at (3) at the lower end of the part (1) and a closing cover (not shown) covering both parts. the fixed part (1) is formed by a bottom plate (1a) inclined in its height and by two triangular wings (1b) bearing against the vertical support delimiting a rear space intended to house mechanisms.
Dans sa surface supérieure, la plaque (1a) présente une pluralité (cinq par exemple) de saillies (1c) allongées et disposées à intervalles réguliers selon une forme en éventail, c'est-à-dire une saillie centrale vertical (1c1) et de part et d'autre, des saillies inclinées (1c2) s'tendant de l'extérieur vers le centre, pour converger ensemble vers des moyens de guidage et d'entraînement de la bande matériau, qui sont constitués soit de deux roues dentées, soit de deux trains de roues dentées (4)-(5) et (6)-(7) montés à rotation libre de part et d'autre de la plaque de fond (1a) et engrenant ensemble, tout en laissant le passage à la bande de matériau pliée.In its upper surface, the plate (1a) has a plurality (five for example) of protrusions (1c) elongated and arranged at regular intervals in a fan shape, that is to say a vertical central projection (1c1) and on both sides, inclined projections (1c2) extending from the outside towards the center, to converge together towards means for guiding and driving the material strip, which consist of either two toothed wheels, either of two sets of toothed wheels (4) - (5) and (6) - (7) mounted with free rotation on either side of the bottom plate (1a) and meshing together, while leaving the passage to the folded strip of material.
A la partie inférieure, la plaque (1a) est prolongée perpendiculairement vers l'avant par une paroi (1d) qui est in terrompue en son milieu pour le passage de la bande de matériau pliée : l'ouverture (1e) ainsi réalisée étant profilée avec de larges arrondis d'entrée (1e1) pour faciliter l'engagement de ladite bande.At the bottom, the plate (1a) is extended perpendicularly forward by a wall (1d) which is in broken in its middle for the passage of the strip of folded material: the opening (1e) thus produced being profiled with wide rounded entry (1e1) to facilitate the engagement of said strip.
La partie mobile (2) est constituée d'une paroi décalée (2a) et de deux ailes profilées (2b) dont la partie inférieure reçoit l'articulation (3) avec la partie fixe (1).The mobile part (2) consists of an offset wall (2a) and two profiled wings (2b), the lower part of which receives the articulation (3) with the fixed part (1).
Dans la partie médiane, les ailes sont prolongées par un support (S) ou par des bras à positionnement élastique équipés de moyens de centrage à rotation libre du rouleau (R) de matériau à distribuer.In the middle part, the wings are extended by a support (S) or by arms with elastic positioning equipped with means for centering with free rotation of the roll (R) of material to be dispensed.
La paroi (2a) présente près de son extrémité opposée à l'articulation (3), une pluralité (quatre par exemple) de saillies (2c) de même nature que les saillies (1c) et positionnées de telle sorte que lorsque la partie mobile (2) est appliquée contre la partie fixe (en butée sur la plaque (1a) par des appuis (2b1) des ailes), les saillies (2c) sont disposées dans les intervalles des saillies (1c), comme on le voit aux figures 2 et 3.The wall (2a) has, near its end opposite the articulation (3), a plurality (four for example) of projections (2c) of the same nature as the projections (1c) and positioned so that when the movable part (2) is applied against the fixed part (in abutment on the plate (1a) by supports (2b1) of the wings), the projections (2c) are arranged in the intervals of the projections (1c), as seen in the figures 2 and 3.
A noter encore que les saillies (1c) et (2c) sont convexes dans leur longueur et leur tranche en contact avec la bande matériau engagée entre elles est arrondie pour faciliter l'introduction, le glissement et le pliage de ladite bande.Note also that the projections (1c) and (2c) are convex in their length and their edge in contact with the strip of material engaged between them is rounded to facilitate the introduction, sliding and folding of said strip.
A l'extrémité opposée à l'articulation (3), la plaque (2a) présente un organe (C) cintré de renvoi et de conformation de la bande déroulée avant son passage entre les saillies de pliage.At the end opposite the articulation (3), the plate (2a) has a curved member (C) for returning and shaping the unwound strip before it passes between the folding projections.
Cet organe peut être un simple bourrelet formé dans la plaque (2a), ou bien comme illustré aux figures 1 et 3, un organe rapporté et constitué soit par un tube cintré (8) soit par une série de galets (9) qui sont montés à rotation libre sur une barre courbe (10) dont les extrémités sont solidaires directement ou de manière rapportée de la plaque (2a).This member can be a simple bead formed in the plate (2a), or as illustrated in FIGS. 1 and 3, an attached member and constituted either by a curved tube (8) or by a series of rollers (9) which are mounted with free rotation on a curved bar (10) whose ends are directly or attached to the plate (2a).
Pour éviter tout risque de déchirement de la bande déroulée sous l'effet de la traction manuelle sur la partie pliée débordante, on prévoit de préférence, un organe de renvoi et de conformation possédant une certaine capacité de déformation élastique. Pour cela, le bourrelet, le tube ou les galets peuvent être réalisés en matériau souple (figure 3) ou bien la barre (10) de montage du tube ou des galets peut être reliée de manière élastique à la plaque (2a) par exemple par des leviers pivotants (11) à ressort de rappel (12) coopérant avec les ailes (figure 1).To avoid any risk of tearing of the unrolled strip under the effect of manual traction on the part folded overflowing, provision is preferably made for a return and shaping member having a certain capacity for elastic deformation. For this, the bead, the tube or the rollers can be made of flexible material (FIG. 3) or else the bar (10) for mounting the tube or the rollers can be connected elastically to the plate (2a) for example by pivoting levers (11) with return spring (12) cooperating with the wings (FIG. 1).
Au chargement de l'appareil, la bande de matériau est déroulée de la bobine montée sur son support, puis positionnée sur l'organe de renvoi et de conformation et engagée entre la partie mobile dégagée de la partie fixe jusqu'à ce que son extrémité libre déborde à la partie inférieure de l'appareil.When loading the device, the strip of material is unwound from the reel mounted on its support, then positioned on the return and shaping member and engaged between the movable part released from the fixed part until its end free overflows at the bottom of the device.
On applique ensuite la partie mobile contre la partie fixe en amorçant ainsi le pliage de la bande par les saillies (1c) et (2c). Lorsqu'on tire manuellement sur l'extrémité débordante, la bande pliée passe automatiquement entre les roues dentées de guidage et de finition des plis qui sont alors entraînées en rotation jusqu'à un point de butée déterminé. La bande ainsi tirée peut ensuite être détachée à l'aide d'un organe de coupe associé à l'appareil et agissant soit par une action manuelle indépendante, soit par la même action de traction orientée en fin de course par rapport à l'ouverture de passage de la bande, de manière à ce que l'extrémité restant dans l'appareil déborde pour être accessible en vue d'une nouvelle distribution. Dans ce cas (non représenté), les moyens de guidage et d'entraînement sont constitués seulement de deux roues dentées engrenant ensemble.The mobile part is then applied against the fixed part, thereby initiating the folding of the strip by the projections (1c) and (2c). When the protruding end is pulled manually, the folded strip automatically passes between the guide and finishing sprockets of the folds which are then rotated to a determined stop point. The strip thus pulled can then be detached using a cutting member associated with the device and acting either by an independent manual action, or by the same pulling action oriented towards the end of the travel relative to the opening. passage of the strip, so that the end remaining in the device overflows to be accessible for a new distribution. In this case (not shown), the guide and drive means consist only of two toothed wheels meshing together.
Cependent, d'une manière plus particulièrement visée, on a voulu automatiser complètement la distribution de bandes pliées, c'est-à-dire permettre à l'utilisateur d'obtenir à chaque traction manuelle sur l'extrémité débordante, une longueur déterminée de bande. Pour cela, on a combiné l'organe de coupe avec les moyens de guidage et d'entraînement qui sont alors constitués des deux trains de roues dentées (4)-(5) et (6)-(7) décrits plus haut.However, in a more particularly targeted manner, we wanted to completely automate the distribution of folded strips, that is to say allow the user to obtain, with each manual pull on the projecting end, a determined length of bandaged. For this, the cutting member has been combined with the guide and drive means which then consist of two sets of toothed wheels (4) - (5) and (6) - (7) described above.
A cet effet, les roues dentées (4)-(6) situées à l'avant de la plaque (1a) présentent des dégagements (4a)-(6a) interrompant la denture. Un support équerré (13) est monté pivotant en (14) par sa partie médiane sur la roue (4) et une de ses extrémités située dans le dégagement (4a) reçoit à oscillation, en (15), une mâchoire de contre-appui (16) en forme de U.To this end, the toothed wheels (4) - (6) located at the front of the plate (1a) have clearances (4a) - (6a) interrupting the toothing. A squared support (13) is pivotally mounted at (14) by its middle part on the wheel (4) and one of its ends located in the recess (4a) receives at oscillation, at (15), a counter-support jaw (16) U-shaped.
Un autre support équerré (17) est fixé sur la roue dentée (6) avec une extrémité située dans la dégagement (6a) et sur laquelle s'articule en (18) une mâchoire d'appui (19) en forme de U. Le support (13) est rappelé élastiquement par un ressort (20) dans la position où l'axe d'oscillation (15) est le plus écarté de l'axe de la roue dentée (4) et la mâchoire (16) est également associée à un ressort (21) de rappel.Another squared support (17) is fixed on the toothed wheel (6) with one end located in the recess (6a) and on which is articulated in (18) a support jaw (19) in the form of U. The support (13) is resiliently recalled by a spring (20) in the position where the axis of oscillation (15) is furthest away from the axis of the toothed wheel (4) and the jaw (16) is also associated to a return spring (21).
Dans la mâchoire (19) et selon une forme de réalisation, est montée à articulation libre (soit sur l'axe (18), soit sur un axe différent situé plus haut) une lame de coupe dentelée (22) à une ou plusieurs dents dont l'extrémité arrière est logée dans le dégagement (6a) et conformée pour que lors de l'entraînement en rotation des roues dentées amenant les mâchoires (16-19) en contact contre les plis extrêmes de la bande pliée (figure 1), ladite extrémité arrière de la lame s'appuie contre un côté du dégagement (6a) ou un galet, en provoquant ainsi le basculement de la lame à l'encontre d'un ressort de rappel vers la bande pliée afin de pénétrer au fur et à mesure de la rotation des roues dentées, dans la bande pliée, et ainsi la détacher sous l'effet du coincement de la bande par les roues dentées et de la tension exercée par la traction (figure 4).In the jaw (19) and according to one embodiment, is mounted with free articulation (either on the axis (18), or on a different axis located above) a serrated cutting blade (22) with one or more teeth the rear end of which is housed in the recess (6a) and shaped so that when the toothed wheels are driven in rotation bringing the jaws (16-19) into contact with the extreme folds of the folded strip (FIG. 1), said rear end of the blade rests against one side of the clearance (6a) or a roller, thereby causing the blade to tilt against a return spring towards the folded strip in order to penetrate as and when measure the rotation of the cogwheels in the folded band, and thus detach it under the effect of the banding of the band by the cogwheels and of the tension exerted by the traction (figure 4).
Selon une autre forme de réalisation illustrée à la figure 5, la lame de coupe dentelée (22) est solidaire directement ou de manière rapportée de la roue dentée (6) qui présente à cet effet une saillie (6b) au milieu du dégagement (6a). Ladite saillie (6b) reçoit alors l'axe (18) d'oscillation de la mâchoire (19) qui peut pivoter dans ledit dégagement à l'encontre d'un ressort de rappel (23), lorsqu'elle entre en contact avec la mâchoire opposée (16) en dégageant ainsi la lame de coupe qui peut alors pénétrer dans la bande pliée pendant la rotation des roues dentées.According to another embodiment illustrated in Figure 5, the serrated cutting blade (22) is directly or attached to the toothed wheel (6) which has for this purpose a projection (6b) in the middle of the clearance (6a ). Said projection (6b) then receives the axis (18) of oscillation of the jaw (19) which can pivot in said clearance against a return spring (23), when it comes into contact with the opposite jaw (16) thereby releasing the cutting blade which can then penetrate the folded strip during the rotation of the toothed wheels.
Afin de ne pas marquer les plis de la bande et pour faciliter son passage, les dents des roues dentées (4) et (6) présentent de larges arrondis aussi bien dans leur profil que dans la largeur. De cette façon, lorsque la bande pliée et tirée est détachée, elle se déplie en partie tout naturellement et l'utilisateur peut ainsi disposer d'une surface importante d'essuyage.In order not to mark the folds of the strip and to facilitate its passage, the teeth of the toothed wheels (4) and (6) have wide rounded edges both in their profile and in their width. In this way, when the folded and pulled strip is detached, it partially unfolds quite naturally and the user can thus have a large wiping surface.
A noter également que les axes (14) et (18) de pivotement des mâchoires sont décalés vers la bas par rapport au centre desdites mâchoires afin d'assurer la superposition exacte des parties d'appui des mâchoires ainsi que le serrage ferme de la bande pliée pendant toute la durée de la coupe avec rotation correspondante des roues dentées.Note also that the axes (14) and (18) of pivoting of the jaws are offset downward relative to the center of said jaws in order to ensure the exact superposition of the support parts of the jaws as well as the firm tightening of the strip. folded for the duration of the cut with corresponding rotation of the gear wheels.
Comme on le voit encore à la figure 3, les roues dentées complètes (5) et (7) sont soumises à l'action d'un ressort (24) attaché de manière excentrée et destiné à emmagasiner l'énergie nécessaire à la coupe et au lancement des roues dentées après la coupe de la bande tirée en vue de repositionner en débordement de l'appareil l'extrémité de la bande suivante.As can still be seen in FIG. 3, the complete toothed wheels (5) and (7) are subjected to the action of a spring (24) attached eccentrically and intended to store the energy necessary for cutting and at the launching of the toothed wheels after the cut of the pulled strip in order to reposition in overflow of the device the end of the next strip.
D'autre part, afin d'éviter tout retour en arrière des roues dentées, l'une des roues dentées (5) ou (7) coopère avec un cliquet (25) articulé élastiquement sur la plaque (1a).On the other hand, in order to avoid any backward movement of the toothed wheels, one of the toothed wheels (5) or (7) cooperates with a pawl (25) articulated elastically on the plate (1a).
Pour assurer en toutes circonstances le débordement de l'extrémité d'une bande pliée, on prévoit également l'entraînement en rotation depuis l'extérieur de l'appareil, de l'une des roues dentées. A cet effet, on peut par exemple fixer à pivotement élastique sur la plaque (1a) un levier (26) dont l'extrémité libre reçoit à oscillation un organe (27) agencé avec une extrémité profilée (27a) destinée à s'engager entre deux dents sous l'action manuelle exercée à son autre extrémité (27b) accessible sous l'appareil.To ensure in all circumstances the overflow of the end of a folded strip, provision is also made for the rotary drive from the outside of the device, of one of the toothed wheels. For this purpose, it is possible, for example, to pivot, resiliently to the plate (1a), a lever (26), the free end of which receives at oscillation a member (27) arranged with a profiled end (27a) intended to engage between two teeth under the manual action exerted at its other end (27b) accessible under the device.
La bande pliée qui est tirée à chaque traction ma nuelle, a une longueur correspondant à la circonférence des roues dentées, cela dans le cas où les organes de coupe sont combinés avec la rotation desdites roues. Pour distribuer des longueurs différentes de bandes, on prévoit d'établir l'ensemble roues dentées, mâchoires, lame de coupe sous la forme de jeux de cassettes interchangeables avec des roues dentées de différents diamètres.The folded strip which is pulled with each pull ma nuelle, has a length corresponding to the circumference of the toothed wheels, this in the case where the cutting members are combined with the rotation of said wheels. To distribute different lengths of bands, provision is made for the set of toothed wheels, jaws, cutting blade in the form of sets of interchangeable cassettes with toothed wheels of different diameters.
A cet effet, l'appareil est constitué essentiellement en quatre parties distinctes, à savoir : un support (A) de fixation par rapport à une surface quelconque, un élément (B) porte-bobine, un capot de fermeture (D), et un cassette interchangeable (E) portant tous les mécanismes nécessaires à l'entrainement et à la coupe des bandes précédemment pliées en accordéon par des moyens conformateurs établis sur le support (A) et sur le porte-bobine (B).To this end, the apparatus consists essentially of four distinct parts, namely: a support (A) for fixing relative to any surface, a spool-carrying element (B), a closure cover (D), and an interchangeable cassette (E) carrying all the mechanisms necessary for driving and cutting the strips previously folded into an accordion by conforming means established on the support (A) and on the reel holder (B).
La support (A) comprend une plaque de fond (40) pour la fixation de l'appareil et deux ailes triangulaires (41-42). Dans la partie supérieure de la plaque de fond sont réparties des saillies de pliage (43) de la bande qui sont destinées à s'insérer dans les intervalles entre des saillies de pliage complémentaires (44) disposées sur l'élément (B) porte-bobine, immédiatement en dessous d'un organe (45) de renvoi et de conformation de la bande déroulée de la bobine en direction des moyens de guidage et d'entrainement contenus dans la cassette (E). L'organe (45) est doté d'une certaine capacité de déformation élastique afin d'éviter tout risque de rupture de la bande sous l'effort de traction. Pour cela, l'organe (45) est monté sur un volet (46) portant les saillies (44) et articulé en (47) au support de bobine (48), avec possibilité de débattement angulaire limité dans le sens de traction (figure 11).The support (A) comprises a bottom plate (40) for fixing the device and two triangular wings (41-42). In the upper part of the bottom plate are distributed folding projections (43) of the strip which are intended to be inserted in the intervals between complementary folding projections (44) disposed on the element (B) reel, immediately below a member (45) for returning and shaping the unwound strip from the reel in the direction of the guide and drive means contained in the cassette (E). The member (45) is provided with a certain capacity for elastic deformation in order to avoid any risk of rupture of the strip under the tensile force. For this, the member (45) is mounted on a flap (46) carrying the projections (44) and articulated at (47) to the coil support (48), with the possibility of limited angular movement in the direction of traction (figure 11).
Dans sa partie médiane, le support de bobine (48) présente des moyens (49) de centrage et de positionnement à rotation libre de la bobine de matériau d'essuyage, avec un réglage ou une interchangeabilité possible pour monter des bobines de différentes largeurs. En outre, un couronne annulaire (50) fi xée de manière démontable sur l'un des moyens (49) est équipée de languettes flexibles (51) en appui et en pression contre les bras (48a) du support afin de freiner le déroulement de la bobine neuve jusqu'à environ la moitié de son déroulement en évitant ainsi la formation de boucles par réaction dûe à la traction sur la bande accessible.In its middle part, the reel support (48) has means (49) for centering and positioning with free rotation of the reel of wiping material, with adjustment or interchangeability possible for mounting reels of different widths. In addition, an annular crown (50) fi detachably attached to one of the means (49) is fitted with flexible tongues (51) pressing and pressing against the arms (48a) of the support in order to brake the unwinding of the new reel up to approximately half of its unfolding thus avoiding the formation of loops by reaction due to traction on the accessible strip.
la cassette interchangeable (E) est constituée d'un boîtier parallélipipédique (52) comprenant une face arrière (52a), deux côtés latéraux (52b), une face avant (52c) avec ouverture centrale (52c1) pour le passage de la bande au chargement, et un fond (52d), la face supérieure opposée au fond étant ouverte. Les côtés latéraux présentent de préférence de manière décalée dans la largeur une rainure (52e) débouchante à la partie supérieure avec une ouverture (52f) à proximité de ladite partie supérieure. Des glissières (53) sont fixées par leur partie inférieure et médiane sur la face interne des ailes (41-42) du support (A) afin d'engager à coulissement guidé la cassette par ses rainures (52e), jusqu'à ce que les ouvertures (52f) butent contre des saillies profilées (53a) formées près de l'extrémité supérieure des glissières. Des fenêtres (41a-42a) réalisées sur les ailes au niveau de la partie supérieure des glissières, permettent alors sous la poussée de la cassette, l'effacement des glissières à cet endroit et l'engagement des saillies (53a) dans des ouvertures (52f) en verrouillant ainsi la cassette par retour élastique des glissières (figure 9).the interchangeable cassette (E) consists of a parallelipipedic box (52) comprising a rear face (52a), two lateral sides (52b), a front face (52c) with central opening (52c1) for the passage of the strip to the loading, and a bottom (52d), the upper face opposite the bottom being open. The lateral sides preferably have, offset in width, a groove (52e) opening out at the upper part with an opening (52f) near said upper part. Slides (53) are fixed by their lower and middle part on the inner face of the wings (41-42) of the support (A) in order to engage in sliding guided cassette by its grooves (52e), until the openings (52f) abut against profiled projections (53a) formed near the upper end of the slides. Windows (41a-42a) produced on the wings at the level of the upper part of the slides, then allow under the thrust of the cassette, the erasing of the slides at this location and the engagement of the projections (53a) in openings ( 52f) thereby locking the cassette by elastic return of the slides (Figure 9).
A l'extrémité supérieure, les glissières présentent des formes massives (53b) permettant de déverrouiller la cassette manuellement par écartement élastique. Afin d'éviter tout risque de chute de la cassette déverrouillée et pour faciliter les manipulations, il est prévu un dispositif permettant la libération de la cassette d'une seule main, tandis que l'autre peut retenir la cassette libérée. Par exemple et comme illustré à la figure 3, les glissières (53) sont prolongées au-delà des saillies (53a) jusqu'à proximité de la partie supérieure des ailes (41-42) du support. La plaque de fond (40) présente trans versalement des guides parallèles (40a) dans lesquels sont engagés par clipsage des barrettes (54) pouvant coulisser librement dans les guides. Entre lesdites barettes est monté à rotation libre sur la plaque de fond un levier excentrique (55) permettant par un déplacement angulaire inférieur à 90°, l'écartement simultané des glissières qui peuvent se loger dans les fenêtres (41a-42a) rallongées à cet effet, et ainsi assurer le déverrouillage de la cassette au niveau des saillies (53a) et des ouvertures (52f).At the upper end, the slides have massive shapes (53b) allowing the cassette to be unlocked manually by elastic spacing. In order to avoid any risk of the unlocked cassette falling and to facilitate handling, there is a device allowing the cassette to be released with one hand, while the other can hold the released cassette. For example and as illustrated in Figure 3, the slides (53) are extended beyond the projections (53a) to near the upper part of the wings (41-42) of the support. The bottom plate (40) has trans versally parallel guides (40a) in which are engaged by clipping bars (54) which can slide freely in the guides. Between said bars is mounted with free rotation on the bottom plate an eccentric lever (55) allowing by an angular displacement less than 90 °, the simultaneous spacing of the slides which can be housed in the windows (41a-42a) extended to this effect, and thus ensure the unlocking of the cassette at the projections (53a) and the openings (52f).
Entre les faces avant (52c) et arrière (52a) de la cassette, sont montés à rotation libre deux trains de roues dentées coaxiales destinées au guidage et à l'entrainement de la bande pliée en amont, et passant entre les deux trains. Cependant, afin d'améliorer les conditions de fonctionnement les deux couples de roues dentées sont établis avec des modules différents. A l'arrière, les roues dentées de guidage (56-57) à denture complète ont un module inférieur à celui des roues dentées d'entrainement (58-59). De cette manière, les roues dentées de guidage engrènent entre elles sans jeu, tandis que les roues dentées d'entrainement engrènent entre elles avec un jeu régulier permettant le passage sans coincement de la bande pliée et maintenant correctement face à face et sans glissement les mâchoires d'appui (60) et de contre-appui (61) qui sont montées respectivement à articulation élastique sur un support fixe (62) et un support mobile (63) reliés aux roues dentées (58-59) au niveau de dégagements (58a-59a).Between the front (52c) and rear (52a) faces of the cassette, two sets of coaxial toothed wheels are mounted for free rotation intended for guiding and driving the folded strip upstream, and passing between the two trains. However, in order to improve the operating conditions, the two pairs of toothed wheels are established with different modules. At the rear, the guide toothed wheels (56-57) with full teeth have a lower module than that of the drive toothed wheels (58-59). In this way, the guide toothed wheels mesh with each other without play, while the drive toothed wheels mesh with each other with a regular play allowing the passage without jamming of the folded strip and maintaining correctly face to face and without sliding the jaws support (60) and counter-support (61) which are mounted respectively with elastic articulation on a fixed support (62) and a mobile support (63) connected to the toothed wheels (58-59) at the clearances (58a -59a).
D'autre part, les roues dentées d'entrainement (58-59) présentent du côté extérieur (figure (15) une bordure (58a-59a) arrondie facilitant l'engagement de la bande au chargement de l'appareil, tandis que l'intérieur des dents est strié.On the other hand, the drive gear wheels (58-59) have on the outside (figure (15) a rounded edge (58a-59a) facilitating the engagement of the strip when loading the device, while the the inside of the teeth is striated.
Selon une autre caractéristique, l'entrainement de la bande pliée est amélioré par des aménagements particuliers des mâchoires, à savoir : des micro-aspérités réalisées sur les faces en regard d'au moins une mâchoire, une saillie (61a) formée à la partie inférieure interne de la mâchoire de contre-appui (61) qui permet de pousser la bande à l'intérieur de la mâchoire d'appui et une séparation médiane (61b) formée à la partie supérieure interne pour maintenir la bande entre les deux dents de la lame de coupe (64) montée fixe la mâchoire (60). On voit encore entre les roues dentées de guidage (56-57) en haut et en bas, des zones triangulaires en relief (52a1) établies sur la face arrière de la cassette pour éviter l'engagement de la bande dans les roues dentées de guidage et la guider en direction de la sortie (F).According to another characteristic, the drive of the folded strip is improved by particular arrangements of the jaws, namely: micro-asperities produced on the facing faces of at least one jaw, a projection (61a) formed at the part internal lower of the counter-jaw (61) which makes it possible to push the strip inside the support jaw and a central separation (61b) formed at the internal upper part to hold the strip between the two teeth of the cutting blade (64) fixedly mounted the jaw (60). We can still see between the toothed guide wheels (56-57) at the top and bottom, triangular raised areas (52a1) established on the rear face of the cassette to avoid engagement of the band in the guide toothed wheels and guide it towards the exit (F).
Lorsqu'on a tiré sur la bande débordante et effectué la coupe entre deux mâchoires (figure 14), les deux trains de roues dentées qui sont lancés par un ressort (65) attaché d'une manière excentrée (figure 9) sur l'axe de la roue dentée (59) continuent leur rotation pour permettre la sortie d'une nouvelle bande prête à être tirée. En fin de course, un doigt (61c) de la mâchoire (61) fait pivoter la branche vertical (66a) d'un levier (66) articulé sur la face avant (52c) de la cassette, et l'autre branche perpendiculaire (66b) du levier s'engage entre les roues dentées (57) et (59) pour buter contre une saillie (67) lorsque le doigt (61c) échappe de la branche (66a), et arrêter ainsi le train de roues dentées. Le levier (66) rappelé par ressort revient dans sa position initiale et la saillie (61a) de la mâchoire (61) vient s'appuyer contre un cliquet anti-retour (68).When the protruding strip is pulled and the cut made between two jaws (figure 14), the two sets of toothed wheels which are launched by a spring (65) attached eccentrically (figure 9) to the axis of the toothed wheel (59) continue their rotation to allow the exit of a new strip ready to be pulled. At the end of the stroke, a finger (61c) of the jaw (61) rotates the vertical branch (66a) of a lever (66) articulated on the front face (52c) of the cassette, and the other perpendicular branch ( 66b) of the lever engages between the toothed wheels (57) and (59) to abut against a projection (67) when the finger (61c) escapes from the branch (66a), and thus stop the train of toothed wheels. The lever (66) returned by spring returns to its initial position and the projection (61a) of the jaw (61) comes to rest against a non-return pawl (68).
La sortie (F) de la bande pliée est délimitée par un entonnoir formé d'un triangle (52c1) de deux parois inclinées (69), de deux rouleaux fous latéraux (70) portés par les faces (52a et 52c) et d'un troisième rouleau fou frontal (71) porté par le porte bobine (B).The outlet (F) of the folded strip is delimited by a funnel formed by a triangle (52c1) of two inclined walls (69), two crazy side rollers (70) carried by the faces (52a and 52c) and a third front idler roller (71) carried by the reel holder (B).
Enfin, un dispositif annexe de levier à cliquet (72) permet d'agir sur l'une des roues dentées de guidage pour faire déborder la bande de matériau lors du chargement de l'appareil.Finally, an additional ratchet lever device (72) makes it possible to act on one of the toothed guide wheels to cause the strip of material to overflow when the device is loaded.
D'autre part, les rouleaux de matériaux d'essuyage peuvent avoir des largeurs différentes. Pour que l'appareil accepte plusieurs formats, on prévoit des organes de centrage de la bobine soit réglables en écartement (par vissage ou dévissage notamment), soit interchangeables comme ceux illustrés à la figure 7 où lesdits organes (28) et (29) peuvent être soit mis l'un derrière l'autre avec un flasque intercallaire (30) soit dissociés en obtenant ainsi trois écartements distincts et plus, du fait de l'élasticité de construction des bras (2c).On the other hand, the rolls of wiping materials can have different widths. In order for the device to accept several formats, the centering devices of the coil are adjustable in spacing (by screwing or unscrewing in particular), either interchangeable like those illustrated in FIG. 7 where said members (28) and (29) can be either placed one behind the other with an intercalated flange (30) or dissociated, thus obtaining three distinct and more spacings , due to the elasticity of construction of the arms (2c).
Compte-tenu de certains impératifs d'encombrement, il peut être nécessaire de prévoir une autre disposition des différents éléments de l'appareil. On a illustré schématiquement à la figure 6, une autre forme de réalisation de l'appareil.Given certain space requirements, it may be necessary to provide another arrangement of the various elements of the device. FIG. 6 schematically illustrates another embodiment of the apparatus.
Dans ce cas, la partie fixe (31) de liaison avec un support vertical est composée d'une plaque de fond (31a) et d'une plaque latérale perpendiculaire (31b). La plaque de fond reçoit perpendiculairement la bobine de matériau par un mandrin (32), tandis que la plaque latérale porte du côté intérieur et à sa partie supérieure l'organe (33) de renvoi et de conformation de la bande, du côté extérieur une partie des saillies de pliage (34) et les moyens (35) de guidage et d'entraînement de la bande pliée, avec éventuellement les organes de coupe. A son extrémité inférieure, la plaque latérale reçoit à articulation une plaque (36) portant la partie complémentaire (37) des saillies de pliage et permettant le passage de la bande pliée en vue de son tirage manuel.In this case, the fixed part (31) connecting with a vertical support is composed of a bottom plate (31a) and a perpendicular side plate (31b). The bottom plate receives the reel of material perpendicularly by a mandrel (32), while the side plate carries on the internal side and at its upper part the member (33) for returning and shaping the strip, on the external side a part of the folding projections (34) and the means (35) for guiding and driving the folded strip, possibly with the cutting members. At its lower end, the side plate hingedly receives a plate (36) carrying the complementary part (37) of the folding projections and allowing the passage of the folded strip for manual pulling.
Enfin, un capot de fermeture (38), équipé d'un organe (39) de maintien de la bobine, assure la retenue de la plaque (36) contre la plaque latérale (31b).Finally, a closing cover (38), equipped with a reel holding member (39), ensures the retention of the plate (36) against the side plate (31b).
Les avantages ressortent bien de la description. On souligne notamment la possibilité de distribuer tous les types de matériaux d'essuyage même les plus fragiles grâce au pliage en accordéon qui multiplie de manière très importante la résistance à la traction et évite ainsi des déchirures intempestives lorsque l'utilisateur a les mains mouillées.The advantages are apparent from the description. In particular, the possibility of distributing all types of wiping materials, even the most fragile, is emphasized thanks to the folding accordion which very significantly increases the tensile strength and thus avoids untimely tears when the user has wet hands.
On peut encore citer la possibilité d'utiliser des matériaux de différentes largeurs du fait du réglage d'écartement du support de bobine, les longueurs variables de bandes pliées par la réalisation des moyens de distribution sous forme de cassettes interchangeables, le dépliage naturel des bandes tirées permettant une utilisation efficace, l'automatisation complète de l'appareil et sa simplicité de fabrication et d'emploi ; les cassettes interchangeables contenant tous les mécanismes, ce qui permet de distribuer aisément des longueurs variables de matériaux suivant le diamètre des roues dentées choisies, et un dépannage rapide par remplacement des cassettes, ainsi que la possibilité de fixer et de faire fonctionner l'appareil dans n'importe quelle position, c'est-à-dire en tirant sur la bande soit verticalement de haut en bas, ou de bas en haut, soit horizontalement, soit de manière inclineé.We can also cite the possibility of using materials of different widths due to the adjustment of the spacing of the coil support, the variable lengths of strips. folded by the realization of the distribution means in the form of interchangeable cassettes, the natural unfolding of the drawn bands allowing an efficient use, the complete automation of the device and its simplicity of manufacture and use; the interchangeable cassettes containing all the mechanisms, which makes it possible to easily distribute variable lengths of materials according to the diameter of the selected toothed wheels, and rapid troubleshooting by replacing the cassettes, as well as the possibility of fixing and operating the device in any position, i.e. by pulling the strip either vertically from top to bottom, or from bottom to top, either horizontally or at an angle.
Claims (31)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89420142T ATE74873T1 (en) | 1988-04-26 | 1989-04-20 | DEVICE FOR DISPENSING HARMONICA-FOLDED WIPES FROM FLAT-WOUND WEBS. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8805939 | 1988-04-26 | ||
FR8805939A FR2630417A1 (en) | 1988-04-26 | 1988-04-26 | Apparatus intended for automatically dispensing concertina-folded wiping materials, from webs wound flat |
FR8807823A FR2632292B2 (en) | 1988-04-26 | 1988-06-06 | |
FR8807823 | 1988-06-06 |
Publications (2)
Publication Number | Publication Date |
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EP0340124A1 true EP0340124A1 (en) | 1989-11-02 |
EP0340124B1 EP0340124B1 (en) | 1992-04-15 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP19890420142 Expired - Lifetime EP0340124B1 (en) | 1988-04-26 | 1989-04-20 | Device for distributing zig-zag-folded sanitary materials from flat wound webs |
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US (2) | US5013291A (en) |
EP (1) | EP0340124B1 (en) |
JP (1) | JP2763331B2 (en) |
KR (1) | KR0136865B1 (en) |
AU (1) | AU624605B2 (en) |
CA (1) | CA1334396C (en) |
DE (1) | DE68901209D1 (en) |
ES (1) | ES2030995T3 (en) |
FR (1) | FR2632292B2 (en) |
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OA (1) | OA09072A (en) |
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WO2000020313A1 (en) * | 1998-10-07 | 2000-04-13 | Vincent Huret | Step-by-step recovery of a strip |
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FR2332215A1 (en) * | 1975-11-19 | 1977-06-17 | Granger Maurice | EQUIPMENT FOR SIMULTANEOUS CUTTING AND DISTRIBUTION OF BANDS OF WOUNDED MATERIALS |
US4404880A (en) * | 1977-10-14 | 1983-09-20 | Georgia-Pacific Corporation | Method for web cutting in rolled sheet material dispensers |
FR2555975B1 (en) * | 1983-12-06 | 1986-11-21 | Granger Maurice | APPARATUS FOR DISTRIBUTING AND SIMULTANEOUSLY CUTTING TAPES OF WOUND MATERIALS, WITH AT LEAST ONE ROLL OF MATERIAL IN SERVICE |
US4795417A (en) * | 1987-03-05 | 1989-01-03 | W. R. Grace & Co. | Apparatus and method for pleating film |
FR2632292B2 (en) | 1988-04-26 | 1991-10-04 | Granger Maurice |
-
1988
- 1988-06-06 FR FR8807823A patent/FR2632292B2/fr not_active Expired - Lifetime
- 1988-07-26 US US07/224,408 patent/US5013291A/en not_active Expired - Fee Related
-
1989
- 1989-03-02 CA CA 592525 patent/CA1334396C/en not_active Expired - Fee Related
- 1989-04-20 DE DE8989420142T patent/DE68901209D1/en not_active Expired - Lifetime
- 1989-04-20 EP EP19890420142 patent/EP0340124B1/en not_active Expired - Lifetime
- 1989-04-20 ES ES89420142T patent/ES2030995T3/en not_active Expired - Lifetime
- 1989-04-24 AU AU33387/89A patent/AU624605B2/en not_active Ceased
- 1989-04-25 JP JP1105693A patent/JP2763331B2/en not_active Expired - Lifetime
- 1989-04-26 OA OA59568A patent/OA09072A/en unknown
- 1989-04-26 KR KR1019890005505A patent/KR0136865B1/en not_active IP Right Cessation
-
1991
- 1991-01-15 US US07/641,723 patent/US5147279A/en not_active Expired - Fee Related
-
1992
- 1992-03-19 GR GR920400479T patent/GR3004112T3/el unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2873965A (en) * | 1955-06-09 | 1959-02-17 | Celanese Corp | Folding device for strip material |
GB2084626A (en) * | 1980-09-24 | 1982-04-15 | Plessey The Co & Ltd | Machine for producing pleated capacitors |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2243598A (en) * | 1990-05-01 | 1991-11-06 | Tam Ming Cheong | Folding web |
GB2243598B (en) * | 1990-05-01 | 1994-08-17 | Tam Ming Cheong | Folding apparatus |
WO2000020313A1 (en) * | 1998-10-07 | 2000-04-13 | Vincent Huret | Step-by-step recovery of a strip |
US6409067B1 (en) * | 1998-10-07 | 2002-06-25 | Vincent Huret | Step-by-step recovery of a strip |
Also Published As
Publication number | Publication date |
---|---|
OA09072A (en) | 1991-10-31 |
CA1334396C (en) | 1995-02-14 |
DE68901209D1 (en) | 1992-05-21 |
AU3338789A (en) | 1989-11-02 |
AU624605B2 (en) | 1992-06-18 |
ES2030995T3 (en) | 1992-11-16 |
GR3004112T3 (en) | 1993-03-31 |
EP0340124B1 (en) | 1992-04-15 |
JP2763331B2 (en) | 1998-06-11 |
US5013291A (en) | 1991-05-07 |
KR890015708A (en) | 1989-11-25 |
KR0136865B1 (en) | 1998-05-15 |
FR2632292B2 (en) | 1991-10-04 |
US5147279A (en) | 1992-09-15 |
JPH02152873A (en) | 1990-06-12 |
FR2632292A2 (en) | 1989-12-08 |
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