EP0733020A1 - Device for holding rolls of foil - Google Patents
Device for holding rolls of foilInfo
- Publication number
- EP0733020A1 EP0733020A1 EP95901435A EP95901435A EP0733020A1 EP 0733020 A1 EP0733020 A1 EP 0733020A1 EP 95901435 A EP95901435 A EP 95901435A EP 95901435 A EP95901435 A EP 95901435A EP 0733020 A1 EP0733020 A1 EP 0733020A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- separating
- cover
- profile
- housing
- film
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
- B65H35/0073—Details
- B65H35/008—Arrangements or adaptations of cutting devices
- B65H35/0086—Arrangements or adaptations of cutting devices using movable cutting elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2402/00—Constructional details of the handling apparatus
- B65H2402/60—Coupling, adapter or locking means
Definitions
- the invention relates to a device for receiving film rolls with a housing, each film roll having a compartment equipped with a lid and a dispensing opening, there being a separating device associated with a separating profile and movable transversely to the film longitudinal direction for separating film sections.
- the separating device is connected to a sliding shoe which is mounted transversely displaceably in a guide rail formed on the cover.
- the separating profile is designed as a cutting slot formed on the guide rail, which is penetrated by a separating knife connected to the sliding block.
- this device has functional deficiencies from time to time when separating pieces of film. Uncleanly separated pieces of film can be drawn into the cutting slot and clamp the separating device with a sliding block. In the worst case, shreds of film are drawn into the guide rail, so that the slide shoe is blocked in the guide rail. Attempts to remedy this problem by spacing the guide device and the separating profile with the separating device have so far shown further unsolved problems. In particular, it turned out to be difficult to create a guide device spaced from the separating device, which guarantees a precise interaction of the separating device and the separating profile without functional disturbances.
- the invention has for its object to provide a device of the type mentioned, which ensures trouble-free separation of film sections.
- the separating device is arranged above the cover and the dispensing opening on a slide bearing of the housing which is aligned parallel to the separating profile.
- the precise interaction of the separating profile and separating device can be brought about by aligning the slide bearing and separating profile.
- the guidance of the separating device is independent of the opening or closing movement of the cover. Any faults when cutting off a film section do not affect the sliding guide of the separating device on the housing. Such malfunctions on the separating device or the separating profile can be easily remedied.
- the storage of the separating device is thus independent of the pulling out of a foil tab hanging from the dispensing opening and the separating process itself.
- the upper end of the separating device is preferably displaceably mounted in the slide bearing with the aid of a form-fitting sliding piece.
- the separating device is precisely aligned with the slide bearing via the sliding piece and clearly positioned perpendicular to the direction of displacement. This also defines, for example, the position of a separating knife of the separating device which interacts with the separating profile.
- the dimensions of the sliding piece can be adapted to the dimensions of the sliding bearing, so that an exact fit of the sliding piece in the sliding bearing is always ensured. This advantageously defines the position and function of the entire separating device with a suitable fit of the sliding piece.
- the sliding piece particularly advantageously has an arrow tapering tip at its free end. The sliding piece can be inserted into the plain bearing with the tip.
- the tip of the sliding piece has an inclined contact surface for inserting it into the slide bearing.
- the inclined contact surface is particularly suitable for inserting the tip of the sliding piece into the slide bearing.
- the tip can initially center the sliding piece, while the inclined contact surface, for example, presses a gap of the sliding bearing apart when the sliding piece is inserted further.
- the gap walls of the plain bearing spring back, so that the sliding piece is positively received in the plain bearing.
- the assembly process of the separating device on the device is particularly simplified.
- the slide bearing can be prefabricated in one piece. This is particularly favorable for the fit of the sliding piece in relation to the plain bearing.
- the slide bearing can be made particularly precise, since it can be produced by a molding process of all slide bearing components.
- a holding shoulder for anchoring the sliding piece on the housing is favorably provided on the back of the inclined contact surface.
- the retaining shoulder secures the sliding piece out of the plain bearing before the sliding piece is released.
- the holding shoulder can be shaped as a fitting part with respect to the slide bearing.
- the holding shoulder together with the arrow shape of the tip is particularly favorable.
- the holding shoulder can be arranged following the inclined contact surface. The automatic assembly process of the sliding piece on the slide bearing is thereby simplified.
- the inclined contact surface creates the required insertion distance for the sliding piece.
- a part of the plain bearing behind the holding school engage and secure the slide in the slide bearing.
- the holding shoulder can advantageously be formed integrally with the inclined contact surface or the separating device.
- the slide bearing is formed on one side by a longitudinal guide of the housing and on the other side by a bearing profile running parallel to the dispensing opening.
- the plain bearing is clearly and precisely placed against the housing of the device via the long guide.
- the bearing profile running on the other side is adapted to the individual shape of the slider, so that there is a positive connection together with the longitudinal guidance of the housing.
- the separation of the slide bearing into a longitudinal guide and into a separate bearing profile makes it easier to insert the sliding piece into the slide bearing.
- the two components can be easily shifted against each other and then automatically spring back into the exact plain bearing position.
- Due to the extension of the bearing profile parallel to the dispensing opening the bearing profile can be designed as a molded part delimiting the dispensing opening. As a result, an additional function is assigned to the bearing profile in addition to the slide bearing function. This saves the formation of a separate molded part for limiting the dispensing opening.
- the bearing profile can be T-shaped in cross-section, the top of the T-beam serving as a sliding surface for the sliding piece.
- the T-shaped design of the bearing profile ensures a good moment of resistance of the bearing profile against deformation.
- the bearing profile is relatively stable and can dodge when inserting the sliding piece without suffering damage.
- the bearing profile springs back automatically and defines a contact surface for the sliding piece due to the stable T-shape.
- the formation of the T-beam as a sliding surface for that Sliding piece is particularly favorable for a smooth and trouble-free displacement process of the separating device.
- the surface design of the upper side of the T-beam can be adapted to the conditions of a sliding surface. In this case, very little displacement forces are required by an operator.
- the sliding surface of the T-beam opposite the sliding piece prevents the sliding piece from tilting in the sliding bearing.
- the remaining part of the T-bar can be used in the dispensing compartment for other functions.
- the T-web be directed downward approximately parallel to the cover and form a closing stop for the same. Due to the parallel design of the T-web to the cover, the T-web can be designed as a molded part that limits the dispensing opening. Conveniently, the function of a closing stop for the T-web is realized at the same time.
- the opening for dispensing a foil flag can be limited by the T-bar and cover. As a result, the dispensing opening can be widened by opening the cover for the one-time insertion of a film flag and then reduced by closing the cover against the T-bar to make the dispensing opening effective during operation.
- the T-web is offset inwards into the interior of the housing approximately by the amount of the thickness of the cover.
- an essentially flat surface can be formed from the cover and the housing.
- the T-web is set back and arranged in the interior of the housing so that a closing stop for the cover is also arranged in the housing.
- the width of the upper T-bar of the T-profile can also be adapted to the measure of the thickness of the cover.
- the entire device thus has a flat front surface which protects an operator from injuries. It is proposed that the separating device be displaceably supported with a shoulder on the outer end of the T-shaped bar. The position of the separating device with respect to the T-shaped bar is defined via the paragraph.
- Cutting forces acting on the separating device can be supported on the T-shaped bar via the shoulder. As a result, the parts of the separating device which separate the film lug are relieved during the cutting process.
- the surface of the heel can be adapted to the shape of the T-shaped bar.
- the sliding pairing between heel and T-beam can be optimized with regard to sliding properties.
- the dispensing opening can be located between the vertical web of the T-profile and the upper end of the cover. This makes it possible to dispense with an additional dispensing opening formed in the housing.
- the dispensing opening is delimited by the vertical T-web and the upper end of the cover.
- the separating device is preferably mounted so that it can move in a slidable manner above the cover in the slide bearing, and the associated separating profile is located approximately in the middle of the height of the outside of the cover. As a result, a space is created between the slide bearing and the separating profile for a cut-off foil tab hanging out of the dispensing opening. In this area, the foil flag can be gripped and pulled out to the desired length beyond the separating profile.
- the separating device is displaced, part of the forces on the housing are supported via the slide bearing and the other part is distributed over the separating profile for a separating process.
- the forces acting on the separating profile are absorbed via the cover supports.
- the arrangement of the separating profile in the middle of the height of the cover ensures that the forces are evenly distributed over the bearings of the cover.
- the cover is pivotally mounted at the bottom in a horizontal axis.
- the lid can be opened or closed by a simple hand movement via the swivel bearing.
- the arrangement of the horizontal axis in the lower region of the cover ensures that the cover remains in an open position due to the weight of the cover when the cover is pivoted out. As a result, the compartment is accessible through the enlarged dispensing opening, so that an exchange of film rolls can be carried out.
- the cover with lateral projections can detachably overlap lateral holding cams on the housing at least in the closed position for the purpose of locking.
- the holding cams can, for example, be attached to the housing on elastic tongues which are deflected when the cover is opened or closed and then spring back.
- the cover has a handle on its operating side for releasing the latching seat of the cover from the side holding cams.
- the plain bearing protrudes over at least one side of the cover in order to form a lateral, housing-fixed parking position for the separation device.
- the separating device can be positioned at a distance from the cover so that the lid can be opened.
- the separating device can be removed from an operator's access area to the dispensing compartment or to the lid. This simplifies the operation of the device and prevents damage to the separating device.
- the plain bearing protruding from one side of the cover ensures that the separating device is continuously inserted and removed into and out of the parking position.
- the separating profile can expediently also extend over this lateral parking position.
- a separating tool of the separating device which interacts with the separating profile can also be inserted into the parking position.
- the separating tool which is generally in the form of a sharp-edged knife or a tapered roller, is protected in the area of the separating profile which extends beyond the lateral parking position. This prevents injuries to an operator on the separating tool.
- the separating device can have a separating tool which interacts with the separating profile and has a track roller and a separating knife.
- the track roller supports the forces acting on the separating tool on the cover, so that the separating knife is relieved of these forces.
- the separating knife is always in the ideal position with respect to the separating profile for an optimal separating process with optimal separating quality.
- the separating profile running transversely to the longitudinal direction of the film has a tensioning bar, a separating groove cooperating with the separating knife and a track profile interacting with the track roller.
- a pulled-off foil strip is stretched over the tensioning strip so that the foil flag is stretched over the tensioning strip towards the side of the dispensing opening.
- the tension bar increases that Section modulus on the cover.
- the cover is additionally stabilized and can effectively withstand the forces acting on it during the separation process.
- the track roller runs in a track profile, so that the entire separating tool, in particular the separating knife, is aligned with respect to the separating profile.
- the separating knife is positioned precisely opposite the separating groove, so that it is possible to separate the foil flag properly.
- the separating groove also receives the resistance moment of the cover due to its specific shape.
- a pulled-off film flag is clamped and clamped between the track roller and the track profile, so that the film flag is always optimally positioned and tensioned in the area of the separating knife.
- the separating tool has a roller with a frusto-conical shoulder which engages in a separating groove, so that the separating groove also forms a track profile for the roller and rolls the roller on a running surface of the cover.
- the roller absorbs the forces acting on the separating tool and supports it on the running surface of the cover.
- the tread of the lid is conveniently shaped for smooth rolling of the roller.
- the pulled-off foil flag is clamped effectively between the roller and the running surface, so that the foil flag is optimally positioned and tensioned in the area to be separated.
- the truncated cone-shaped shoulder acts as a release agent for the film and can also be used as a contact shoulder opposite the separation groove. The truncated cone-shaped shoulder rotates together with the roller, so that the film flag undergoes a rolling separation process.
- Centering cheeks for aligning positioning of the film roll with the dispensing opening are particularly advantageously arranged in a compartment in the lateral area of the associated dispensing opening. This will roll the film onto the area of the donation opening aligned.
- a film roll When a film roll is inserted, it can already be inserted between the centering cheeks. A displacement of the film roll transversely to the film longitudinal direction is avoided, so that the lateral collision of a pulled-off film flag with one side of the dispensing opening is prevented.
- FIG. 1 shows a vertical section of a device according to the invention with two compartments along the section line I-I in FIG. 2,
- FIG. 2 shows a front view of a device according to the invention with two compartments
- FIG. 3 shows a horizontal section of a device according to the invention along the section line III-III in FIG. 2,
- FIG. 5 shows a vertical section of a cover of a device according to the invention with a clamping strip, separating groove and Spur ⁇ profile.
- a device 1 for receiving film rolls 2 is shown.
- the device has a housing 3 with two compartments 4 arranged one above the other.
- Each compartment 4 is provided on the front with a lid 5 and a dispensing opening 6.
- each compartment 4 is a separator 7, which interacts with a separating profile 8, provided.
- a film roll 2 for example a paper, aluminum or plastic film, is arranged in each compartment.
- a film web 10 is pulled off each film roll 9 and passed through the dispensing opening 6.
- Each separating device 7 is arranged on a slide bearing 11 above the associated cover 5 and the associated dispensing opening 6.
- the slide bearing 11 extends parallel to the associated separating profile 8 and is formed from a sliding piece 12 connected to the separating device, a longitudinal guide 13 of the housing and a bearing profile 14.
- the bearing profile 14 has a T-shaped cross-sectional shape, the upper side of the T-beam 15 being aligned horizontally and parallel to the separating profile 8 and serving as a sliding surface for the sliding piece 12.
- the T-web 16 is directed approximately parallel to the cover 5 and is used as a closing stop for the cover 5.
- the T-web 16 is offset inwards by approximately the thickness a of the cover 5 into the interior of the housing .
- a lateral end of the T-bar 15 is arranged in the closed position of the cover 5 in the front plane of the cover 5.
- the dispensing opening 6 is formed between the upper edge 17 of the cover and the T-bar 16.
- the separating device 7 is mounted so that it can move in a slidable manner above the cover 5 in the slide bearing 11.
- the separating device 7 has the arrow-shaped sliding piece 12.
- an inclined contact surface 19 extends.
- the sliding piece 12 On the side of the sliding piece 12 opposite the inclined contact surface 19, the sliding piece 12 is parallel to the surface to the top of the T-beam 15.
- the sliding piece 12 is adjoined by a shoulder 21 which is formed on the separating device 7 and is displaceably supported on an outer end of the T-bar 15. The sliding piece 12 is thus positioned over the holding shoulder 20, the contact surface 19 and between the longitudinal guide 13 and the top of the T-beam 15 in the slide bearing 11.
- the separating device 7 extends downward from its hanging slide bearing position substantially parallel to the cover 5 and interacts with the separating profile 8 arranged approximately in the middle of the height of the outside of the cover 5. At the level of the separating profile 8, the separating device 7 has a separating tool 22.
- the separating tool 22 is formed from a track roller 23 and a separating knife 24.
- the track roller 23 engages in a form-fitting manner in a track profile 25 formed on the separating profile 8.
- the separating knife 24 engages in a separating groove 26 formed on the separating profile 8.
- a clamping bar 27 is arranged above the separating groove 26 and protrudes from the front surface of the cover 5.
- Tensioning strip 27, separating groove 26 and track profile 25 are arranged one below the other in the longitudinal direction of the film.
- the separating device 22 is formed from a roller 28 which has a frustoconical shoulder 29.
- the separating profile 8 has a separating groove 26 into which the frustoconical shoulder 29 engages.
- the frustoconical shoulder 29 rests with the larger of its frustoconical surfaces on one side of the separating groove 26.
- the rest of the roller 28 runs on a tread 30 of the cover 5.
- Each of the covers 5 has a horizontal axis 31 in its lower region.
- a projection 33 is formed on the inside of the housing on the cover 5.
- the protrusion 33 overlaps a retaining cam 34 formed on the housing on an elastic tab 40.
- a handle 35 for releasing the snap fit of the cover 5 is formed on the front operating surface of the cover 5.
- Each separating profile 8 and the associated slide bearing 11 each protrude laterally beyond the end region of the cover 5 as far as parking positions 36.
- the parking positions 36 are each formed on the housing 3.
- the device has two holding rods 37 arranged vertically and at a distance from one another.
- Each support rod 37 has an axis groove 38, into which, for example, an axis provided with a kitchen paper roll can be introduced.
- each compartment has two centering cheeks 39 arranged in the lateral area of each cover 5.
- the centering cheeks 39 are arranged essentially vertically and spaced apart from one another by the width of a film roll.
- the separating device 7 of the respective compartment 4 is pushed into a lateral parking position 36.
- the cover 5 is released from the latching position of the projections 33 with the holding cams 34 via the handle 35.
- the cover 5 is opened around its horizontal axis 31 and a film roll 2 is placed in the compartment 4 between the two centering cheeks 39 inserted.
- a film flag is pulled off the film roll 2 and placed over the cover 5.
- the cover 5 is closed and locked by means of the retaining cams 34.
- the film flag is pulled down to the desired length from the dispensing opening 6 formed between the upper edge 17, the cover 5 and the T-web 16.
- the associated separating device 7 is then moved from the lateral parking position 36 over the longitudinal extent of the cover 5 to the opposite parking position 36.
- the film web 10 is separated in the area of the separating profile 8.
- the film is stretched over the tensioning strip 27 and fixed by the track roller 23 between the track roller 23 and the track profile 25.
- the separating knife 24 cuts through the film in the tensioned state in cooperation with the separating groove 26.
- the film web 10 is held firmly between the roller 28 and the running surface 30 and severed by the frustoconical shoulder 29 in cooperation with the separating groove 26.
- the tip of the sliding piece 12 is inserted between the longitudinal guide 13 and the bearing profile 14.
- the bearing profile 14 and the longitudinal guide 13 are slightly pushed apart by the inclined contact surface 19 until the holding shoulder 20 engages behind the longitudinal guide 13 of the housing 3 and the longitudinal guide 13 and bearing profile 14 snap back into their original shape.
- the sliding piece 12 can be inserted until the shoulder 21 abuts the T-beam 15 of the bearing profile 14.
- the position of the separating device 7 and in particular of the separating tool 22 with respect to the separating profile 8 is determined by the abutment of the holding shoulder 20 and the sets 21 to bearing profile 14 or longitudinal guide 13.
- the centering cheeks 39 ensure that the film roll 2 is always positioned centered on the dispensing opening 6.
Landscapes
- Unwinding Webs (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Replacement Of Web Rolls (AREA)
- Polarising Elements (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Advancing Webs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9318632U DE9318632U1 (en) | 1993-12-06 | 1993-12-06 | Device for receiving film rolls |
DE9318632U | 1993-12-06 | ||
PCT/EP1994/003909 WO1995015904A1 (en) | 1993-12-06 | 1994-11-25 | Device for holding rolls of foil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0733020A1 true EP0733020A1 (en) | 1996-09-25 |
EP0733020B1 EP0733020B1 (en) | 1999-04-07 |
Family
ID=6901563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95901435A Expired - Lifetime EP0733020B1 (en) | 1993-12-06 | 1994-11-25 | Device for holding rolls of foil |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0733020B1 (en) |
AT (1) | ATE178560T1 (en) |
DE (2) | DE9318632U1 (en) |
WO (1) | WO1995015904A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6641849B1 (en) * | 1999-10-08 | 2003-11-04 | Sigma-Tau Healthscience S.P.A. | Composition for the prevention and/or treatment of circulatory disorders, comprising derivatives of L-carnitine and extracts of ginkgo biloba |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2294378A (en) * | 1994-10-15 | 1996-04-24 | Nokia Telecommunications Oy | Radio telephone base station |
DE29622214U1 (en) * | 1996-12-20 | 1998-04-23 | Emsa-Werke Wulf GmbH & Co, 48282 Emsdetten | Foil dispenser |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2849457C2 (en) * | 1978-11-15 | 1983-03-10 | Leifheit International Günter Leifheit GmbH, 5408 Nassau | Device for receiving at least one paper, fleece, film roll or the like. |
EP0265552B1 (en) * | 1986-10-31 | 1990-01-17 | LEIFHEIT Aktiengesellschaft | Refillable dispenser for paper and/or foil rolls |
DE3823335C2 (en) * | 1988-07-09 | 1994-03-24 | Wulf & Co Emsa Werk | Device for receiving a film roll and for cutting film sections |
DE9303314U1 (en) * | 1993-03-08 | 1993-07-08 | Leifheit AG, 5408 Nassau | Refillable dispenser |
-
1993
- 1993-12-06 DE DE9318632U patent/DE9318632U1/en not_active Expired - Lifetime
-
1994
- 1994-11-25 WO PCT/EP1994/003909 patent/WO1995015904A1/en active IP Right Grant
- 1994-11-25 EP EP95901435A patent/EP0733020B1/en not_active Expired - Lifetime
- 1994-11-25 AT AT95901435T patent/ATE178560T1/en not_active IP Right Cessation
- 1994-11-25 DE DE59408092T patent/DE59408092D1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9515904A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6641849B1 (en) * | 1999-10-08 | 2003-11-04 | Sigma-Tau Healthscience S.P.A. | Composition for the prevention and/or treatment of circulatory disorders, comprising derivatives of L-carnitine and extracts of ginkgo biloba |
Also Published As
Publication number | Publication date |
---|---|
DE59408092D1 (en) | 1999-05-12 |
WO1995015904A1 (en) | 1995-06-15 |
EP0733020B1 (en) | 1999-04-07 |
DE9318632U1 (en) | 1995-04-06 |
ATE178560T1 (en) | 1999-04-15 |
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