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WO1994019252A1 - Distributeur - Google Patents

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Publication number
WO1994019252A1
WO1994019252A1 PCT/EP1994/000437 EP9400437W WO9419252A1 WO 1994019252 A1 WO1994019252 A1 WO 1994019252A1 EP 9400437 W EP9400437 W EP 9400437W WO 9419252 A1 WO9419252 A1 WO 9419252A1
Authority
WO
WIPO (PCT)
Prior art keywords
slider
roller
casing
teeth
tongues
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.)
Ceased
Application number
PCT/EP1994/000437
Other languages
English (en)
Inventor
Hans Halm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lingner and Fischer GmbH
Original Assignee
Lingner and Fischer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lingner and Fischer GmbH filed Critical Lingner and Fischer GmbH
Priority to JP6518630A priority Critical patent/JPH08506785A/ja
Publication of WO1994019252A1 publication Critical patent/WO1994019252A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
    • B65D35/28—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices for expelling contents

Definitions

  • This invention relates to a dispenser for viscous extrudable fluids contained in collapsible containers.
  • Various viscous extrudable fluids are supplied contained in collapsible containers, such as collapsible tubes, from which they can be dispensed by squeezing through a nozzle at one end ("the dispensing end"), the other end being closed.
  • collapsible containers such as collapsible tubes
  • examples of such fluids are toothpastes, creams, ointments, adhesives, food products, paints, sealing materials, modelling materials, fillers etc.
  • dispensers are known whereby the tube can be squeezed by mechanical action, eg.
  • Dispensers of this type are for example disclosed in GB 2088818A, GB
  • a dispenser for viscous extrudable fluids comprises a casing to support in a dispensing position a collapsible container containing a viscous extrudable fluid open at a dispensing end and closed at the other end; a roller located within the casing capable of longitudinal travel along at least part of the length of the casing and capable of causing compressive collapse of the collapsible container in the course of this travel toward the dispensing end; and one or more sliders slideably mounted on the wall of the casing, the slider(s) being adapted to cooperate with the roller and thereby urge the roller into travel, the urging cooperation between the roller and the slider(s) being by the intermeshing cooperation when the slider(s) move(s) in the dispensing direction of resilient tongues on, or portions connected by resilient tongues to, the roller or the slider(s) with cooperating portions on respectively the slider(s) or the roller, said resilient tongues being adapted to fold when the slider(s) move(s) in the reverse direction to
  • fluid refers to fluids of any viscosity between mobile liquids and this packs, for example toothpastes, including viscous toothpastes of the conventional type, and the newer so called “liquid toothpastes”.
  • collapsible container includes containers of all types which can collapse under compressive pressure to extrude their contents, but particularly includes collapsible tubes such as those from which toothpastes, ointments, creams, cosmetic products are commonly dispersed from.
  • the resilient tongues are on the slider(s) rather than on the roller.
  • the cooperating portions on the roller are cooperating teeth on the roller.
  • resilient tongues on the slider(s) intermesh directly with teeth on the roller, and the tongues are such that when the slider moves in the dispensing direction said tongues intermeshingly cooperate with the teeth on the roller so as to urge the roller to travel in the dispensing direction, and such that when the slider slides in the reverse direction the tongues fold on contact with the teeth on the roller to reduce partly or completely the urging cooperation between the tongues on the slider and the teeth on the roller.
  • the tongues are preferably angled in the dispensing direction so that there is an angle of less than 90° between the side of the tongue facing the dispensing direction and the slider.
  • the slider comprises parallel first and second longitudinal strips connected together by resilient tongues, a first strip having teeth thereon, said teeth being adapted such that when the slider slides in the dispensing direction said teeth intermeshingly cooperate with teeth on the roller so as to urge the roller to travel in the dispensing direction, and such that when the slider slides in the reverse direction the tongues fold on contact of the teeth on the slider with those on the roller to reduce partly or completely the urging cooperation between the teeth on the roller and the teeth on the first strip.
  • the tongues are preferably angled in the dispensing direction so that there is an angle of more than 90° between the side of the tongue facing the dispensing direction and the longitudinal direction of the first strip.
  • the folding of the resilient tongues reduces the ability of the slider to urge the roller to travel, ideally completely or to a practical minimum, so that an overall one-way non-return action on reciprocal sliding of the slider is provided, by which the roller is caused to travel in the dispensing direction within the casing.
  • some travel of the roller in the reverse direction to the dispensing direction may occur the overall movement of the roller will be in the dispensing direction, causing the collapsible container to be progressively pinched between the roller and the wall of the casing resulting in collapse of the tube and extrusion of its fluid contents.
  • the casing is preferably openable to enable a collapsible container to be inserted therein, and removed and replaced when empty.
  • the casing casing may be made in two hinged shells which can be held closed by for example a snap-fit or clasp.
  • the casing may also have attached thereto or integral therewith a compartment for storage of accessories, for example to store a toothbrush in the case of a dispenser for toothpaste or applicators for adhesives etc.
  • the casing may also have a nozzle at the dispensing end arranged to direct the flow of fluid extruded from the open end of the collapsible container and/or a removeable closure.
  • the roller may be of any shape which allows it to travel along the casing in the dispensing direction.
  • the roller may simply slide along inside the casing, e.g. having a generally wedge-shaped face towards the dispensing end, but is preferably capable of rolling travel, e.g. being of circular section, and the co-operating portions on the roller are suitably circumferential teeth.
  • the roller is preferably cylindrical, but other alternative shapes may be used.
  • Preferred alternative shapes include spherical, oblate spherical or ellipsoidal.
  • Other alternative shapes include bi-conical, with the cones joined at their bases or apexes. Other modifications of these shapes, or further alternatives will be apparent to those skilled in the art
  • the cross section of the casing should be adapted to the shape of the roller so that there is a minimum of cross sectional clearance between the walls of the casing and the roller so that the collapsible container is pinched to the maximum practical extent between the roller and the walls of the casing to ensure efficient extrusion of the contents.
  • a square or rectangular cross sectioned casing is suitable for a cylindrical roller
  • a circular or "U" sectioned casing is suitable for a spherical roller.
  • the roller may have projecting axles which cooperate with guides, eg. grooves, in the walls of the casing and this is particularly desirable in the case of a spherical roller.
  • the teeth on a circular section roller may occupy the whole circumferential surface of the roller, or a portion thereof. Alternatively the teeth may be circumferentially located on an axle of the roller. To assist the non-return action the teeth on the roller are preferably asymmetrically edged, the edge cooperating with the tongues or with the teeth on the first strip when the slider slides in the dispensing direction forming a steeper angle with the circumference of the roller than the other edge.
  • the teeth on the first strip on the preferred embodiment are also preferably asymmetrically edged, the edge facing the dispensing direction forming a steeper angle with the strip than the edge facing the reverse direction.
  • the slider may occupy a substantial part of the width of the casing.
  • the dispenser may be provided with two sliders in parallel, for example joined by a bridge, their tongues cooperating with teeth on the roller occupying the entire surface of the roller or alternatively on portions thereof corresponding with the two sliders.
  • the slider may be operated in various ways.
  • at least part of the slider, or in the preferred embodiment part of the second strip, or a handle thereon which may be integral with the strip or attached to the strip, extends through the wall of the of the casing eg. via a slot or hole so as to allow the slider to be operated by hand action, eg. by the thumb or a finger whilst the casing is being held in the hand.
  • a handle may be provided which is pivoted about a fulcrum on the casing and arranged to cooperate with the slider so that application of force to the handle operates the slider via a lever action of the handle. Such arrangements allow convenient single hand operation.
  • the casing may be provided with a closure, eg. a cap or plug arranged to seal the open end of the collapsible container when dispensing of the fluid is not required, and this closure may be interconnected with the slider(s) so that movement of the slider(s), particularly in the dispensing direction, causes the closure to move to unseal the open end of the container, and a subsequent movement of the slider(s), particularly in the reverse direction, causes the closure to reseal the open end.
  • the interconnection of the slider(s) and closure may be arranged that operation of the closure to unseal the open end of the container causes movement of the slider(s) in the dispensing direction, and vice versa.
  • the closure may also be arranged to be operated to the handle, for example by being cooperatingly connected to the handle. Additionally or alternatively the closure may be mounted on the handle or the casing in such a position that the closure may be independently operated by hand action as the handle is operated, either simultaneously with the operation of the handle, or preferably immediately before the handle is operated to minimise the possibility of extrusion of the contents of the collapsible container commencing before the closure is opened.
  • a closure is provided which is interconnected with the slider(s) it is desirable that the slider(s) cannot be operated independently of the closure, so that compression of a tube sealed by the closure cannot occur.
  • the cooperation between the slider(s) and the roller may have a geared relationship, so that by selecting the relative size of the teeth on the roller and the teeth on the first strip a convenient movement of the slider(s) may result in extrusion of a desired amount of the fluid. For example about 1 to 3, eg, 2 cm of movement of a slider resulting in extrusion of a typical dose of toothpaste from a tube thereof may be convenient in a dispenser intended to be held in one hand and operated by the thumb of the same hand.
  • the geared relationship facilitates metered extrusion of fluids, for example by incorporating a metering scale on the slider(s) and/or the wall of the casing.
  • Metering may be useful in for example the extrusion of two part adhesives where one part is the adhesive and the other is a hardening catalyst, and extrusion of a relatively precise quantity of each is important for achieving or controlling hardening.
  • Methods of slideably mounting the slider(s) on the wall of the casing will be apparent to skilled in the art, for example the wall of the casing may have one or more longitudinal grooves into which a corresponding portion of the slider(s) slideably fits.
  • the slider may be located on one wall of the casing, preferably in the same wall as the slider(s) at least one longitudinal third strip, connected to the wall of the casing by resilient tongues angled in the dispensing direction such that there is an angle of more than 90° between the side of the tongues facing in the dispensing direction and the wall of the casing, the third strip having teeth thereon adapted to cooperate with the teeth on the roller.
  • the teeth on the strip are preferably asymmetrically edged, the edge facing the dispensing direction forming a steeper angle with the strip than the edge facing in the reverse direction.
  • the shape of this longitudinal third strip, its tongue and teeth may be the same as, or substantially the same as, those on the first strip of the slider(s).
  • the dispenser is preferably made of plastics materials, which lend themselves to manufacture of the dispenser in an aesthetic design and colour, for example in the case of a toothpaste dispenser matching bathroom accessories such as toothbrush, soap dish etc. in a coordinated set
  • the invention also provides a method of making a dispenser for tubes of viscous extrudable fluids, comprising the step of making a dispenser as described above.
  • the invention also provides a method of dispensing a viscous extrudable fluid, which involves the use of a dispenser as described above.
  • Fig 1 shows longitudinal and cross sectional views of a dispenser having a cylindrical roller.
  • Fig 2 shows longitudinal and cross sectional views of a dispenser having a spherical roller, and a suitable roller.
  • Fig 3 shows in longitudinal section the general operation of the dispenser of
  • Fig 4 shows a cross section through the dispenser of Fig 1 when provided with further toothed strip.
  • Fig 5 shows the single handed operation of the dispenser of Fig 1.
  • Fig 6 shows two types of openable casing.
  • Fig 7 shows in longitudinal section a dispenser provided with a handle for operation of the slider, and having a closure.
  • Fig 8 shows part of a dispenser in which resilient tongues on the slider intermesh directly with teeth on the roller.
  • a dispenser having a casing of rectangular cross section is shown in longitudinal part sectional view in Fig 1, and in cross section about the line A- A of Fig 1 in Fig 1 A.
  • the casing is openable being made in two parts closed by a snap-fit join (2).
  • the casing (1) supports a toothpaste tube (3) having an open dispensing end (4) projecting through an opening (5) in the dispensing end of the casing (1).
  • the casing has a removeable closure (6) covering the dispensing end (4) of the tube (3).
  • a cylindrical roller (7) having circumferential teeth (8) and a short axle (9) resting in a guiding ledge (10) in the walls of the casing (1).
  • the teeth (8) are asymmetrical, having one edge (8a) meeting the circumference of the roller (8) almost tangentially and the other edge (8b) meeting the circumference almost radially.
  • a grooved longitudinal moulding (11) in which is slideably fitted a slider consisting of a longitudinal second strip (12), connected to a first strip (13) by resilient tongues (14) angled in the dispensing direction.
  • the side of the tongues (14) facing in the dispensing direction forms an angle of greater than 90° with the longitudinal direction of the first strip (13).
  • teeth (15) On the face of first strip (13) are teeth (15) which are asymmetrical, the face (15a) facing the dispensing direction meeting the strip (13) at about 90° and the face (15b) facing the reverse direction meeting the strip at a less steep angle.
  • a push button (16) extending through a slot (17) in the wall (la) of the casing (1) by means of which the slider (12, 13, 14, 15) may be operated.
  • the "U" shaped casing (18) is of a cross section adapted to contain a spherical roller (21) shown end-on in Fig 2A and sideways as in Fig 2B.
  • the roller (21) has circumferential teeth (22) that are asymmetrically shaped, one edge (22a) meeting the circumference almost radially, and the other edge (22b) meeting the circumference almost tangentially.
  • the roller (21) is provided with a short axle (23), and when the roller is in place within the casing (18) the ends of the axle rest in the guiding grooves (24) in opposite walls of the casing (18).
  • a moulding (25) having a longitudinal slot (26) into which slots a slider consisting of a longitudinal strip (27) connected to a strip (28) by longitudinal tongues (29) angled in the dispensing direction.
  • teeth (30, not all shown) which are asymmetrically shaped identically to the teeth (15) of Fig 1.
  • the strip (27) is formed into a "T" section, of which the upper bar of the "T” (31) is moulded into a push button (32) near the dispensing end of the dispenser.
  • the bar (31) and consequently the button (32) extend through the wall (18a) of the casing (18) via the slot (26) and form a handle portion by means of which the slider may be operated.
  • FIG 3 the general mode of operation of the dispenser of Figs 1 and 2 is shown.
  • the teeth (15, 30) intermesh with teeth (8, 22) on the roller (9, 21) causing collapse of the pinched portion (3a) of the tube and extrusion of the contents of the tube, (not shown).
  • a cross sectional view of a casing (32) is shown, on a wall (32a) of which are located two sets of grooved longitudinal mouldings (33) in which are slideably fitted two respective longitudinal second strips (34) connected by resilient tongues (35) to toothed first strips (36).
  • Mouldings (33), strips (34) and (36) and tongues (35) are identical to mouldings (11), strips (12) and (13) and tongues (14).
  • Figs 4B and 4C show respectively sections about lines B-B and C-C along part of the length of strip (36) and (37) viewed from the direction of the arrow, showing the identical shape of toothed strips
  • FIG. 5 the single handed operation of the dispenser of Fig 1 is shown, in which the push button (16) of the dispenser of Fig 1 is being reciprocally moved by the thumb (39), to cause an overall movement of the roller (9) in the dispensing direction to cause extrusion of the toothpaste contents (40).
  • FIG. 6A and 6B two methods of making the casing openable are shown, the casing (1), (18) is shown made in two shells joined by a hinge (41), (42) respectively at the reverse end to the dispensing end and longitudinally, so that the casing (1), (18) may be opened and a replacement tube inserted.
  • a dispenser having a casing (1), a roller (9) and a slider in the form of a first strip (13) having teeth (15), connected to a second strip (12) by resilient tongues (14) in an arrangement identical to that of Figs 1-6.
  • the second strip is slideably mounted in a wall of the casing (1) by means not shown.
  • the casing contains a toothpaste tube (3), having a nozzle (4) projecting from the dispensing end of the dispenser.
  • the rearward end (3b) of the tube has been compressed by the roller (9).
  • a handle (41) pivotally mounted in the walls (not shown) of the casing (1) by an axle (42) forming a fulcrum.
  • Part (41a) of the handle (41) extends outside the casing (1) through an aperture (43).
  • Another part (41b) of the handle (41) is pivotally connected to the second strip (12) by a pivot (44) passing through a corresponding hole (not shown) in the second strip (12).
  • a closure (45) is pivotally mounted on the handle (41) and seals the nozzle (4) of the tube (3).
  • the closure (45) has a handle portion (45a). Referring to Fig 7B, by thumb action applied to the handle portion (44a) the closure (44) has been caused to pivot in the direction of the arrow and unseal the nozzle (4).
  • the handle On pivoting the handle (41) in the reverse direction to that of the arrows, the handle may be returned to the position shown in Fig 7B, causing the slider (12, 13, 14, 15) to move in the reverse direction to the dispensing direction, and the tongues (14) to fold as explained above so that the teeth (15) do not intermesh with those (not shown) on the roller (9).
  • This procedure may then be repeated by a rocking motion of the handle (41) about pivot (42) so that a reciprocal movement of the slider (12, 13, 14, 15) occurs and a desired amount of toothpaste (46) can be extruded, subsequent to which the closure (45) may be returned to the position shown in Fig 7A thereby sealing the nozzle (4).
  • a slider (81), from which project resilient tongues (82) angled in the dispensing direction indicated by the arrow in Fig 8A, and a roller (83) having circumferential teeth (84) thereon. Only those teeth 84 in the vicinity of slider (81) are shown for convenience.
  • the teeth 84 are asymmetrical, having one edge (84a) meeting the circumference of the roller (82) at a steeper angle than the other (82b).
  • the tongues (82) intermeshingly cooperate with the teeth (84), one part (82a) of the tongues (82) being shaped so as to enhance the cooperation.
  • the roller (81) is consequently urged to rotate and roll in the direction of the arrow in Fig 8A.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tubes (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Abstract

Distributeur pour des fluides visqueux aptes à être extrudés, et comprenant une enveloppe (1) pour un récipient repliable (3) contenant le fluide; un rouleau (7) situé dans l'enveloppe, et pouvant se déplacer le long de l'enveloppe (1) pour replier le récipient repliable (3); et un ou plusieurs coulisseaux (12, 13) coopérant avec le rouleau (7) de manière unidirectionnelle par l'engrènement respectif de languettes élastiques (14) avec le ou les coulisseau(x) (12, 13) ou le rouleau (7) de sorte que ce dernier se déplace de préférence dans le sens de distribution du fluide.
PCT/EP1994/000437 1993-02-27 1994-02-15 Distributeur Ceased WO1994019252A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6518630A JPH08506785A (ja) 1993-02-27 1994-02-15 ディスペンサー

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939304014A GB9304014D0 (en) 1993-02-27 1993-02-27 Dispenser
GB9304014.5 1993-02-27

Publications (1)

Publication Number Publication Date
WO1994019252A1 true WO1994019252A1 (fr) 1994-09-01

Family

ID=10731163

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1994/000437 Ceased WO1994019252A1 (fr) 1993-02-27 1994-02-15 Distributeur

Country Status (3)

Country Link
JP (1) JPH08506785A (fr)
GB (1) GB9304014D0 (fr)
WO (1) WO1994019252A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000063086A1 (fr) * 1999-04-05 2000-10-26 Alexandr Ivanovich Solopov Dispositif de a. i. solopov permettant d'extruder de la pate d'un tube, et de ranger des brosses a dents et ledit tube
US6789703B2 (en) * 2002-01-18 2004-09-14 Jean Pierre-Louis Toothpaste holder and dispenser
US6968977B1 (en) * 2005-03-08 2005-11-29 Beene Jerahmy J Apparatus to dispense toothpaste
US20110219623A1 (en) * 2010-03-15 2011-09-15 Barry Keith Rockell Liquid Dispensing Device Comprising A Peristaltic Pump
WO2013163364A1 (fr) * 2012-04-27 2013-10-31 Covidien Lp Dispositif de distribution de fluide pourvu d'un connecteur et d'un réservoir compressible
CN110937243A (zh) * 2019-11-10 2020-03-31 赵梦艳 一种无序去除皮口内壁处牙膏的儿童专用牙膏盒

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1695599A (en) * 1927-05-24 1928-12-18 Edward L Merzoian Dispenser
US2261877A (en) * 1940-05-15 1941-11-04 John G Erickson Dispensing device
US2712400A (en) * 1952-04-28 1955-07-05 Wayne C Stauffer Dispensing means for paste tubes
US3780911A (en) * 1972-01-03 1973-12-25 D Paige Dispensing apparatus for collapsible tube container
US4575375A (en) * 1984-11-02 1986-03-11 George Kozam Periodontal pocket irrigating and medication delivery dispenser and gel system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1695599A (en) * 1927-05-24 1928-12-18 Edward L Merzoian Dispenser
US2261877A (en) * 1940-05-15 1941-11-04 John G Erickson Dispensing device
US2712400A (en) * 1952-04-28 1955-07-05 Wayne C Stauffer Dispensing means for paste tubes
US3780911A (en) * 1972-01-03 1973-12-25 D Paige Dispensing apparatus for collapsible tube container
US4575375A (en) * 1984-11-02 1986-03-11 George Kozam Periodontal pocket irrigating and medication delivery dispenser and gel system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000063086A1 (fr) * 1999-04-05 2000-10-26 Alexandr Ivanovich Solopov Dispositif de a. i. solopov permettant d'extruder de la pate d'un tube, et de ranger des brosses a dents et ledit tube
US6789703B2 (en) * 2002-01-18 2004-09-14 Jean Pierre-Louis Toothpaste holder and dispenser
US6968977B1 (en) * 2005-03-08 2005-11-29 Beene Jerahmy J Apparatus to dispense toothpaste
US20110219623A1 (en) * 2010-03-15 2011-09-15 Barry Keith Rockell Liquid Dispensing Device Comprising A Peristaltic Pump
US8365416B2 (en) * 2010-03-15 2013-02-05 The Gillette Company Liquid dispensing device comprising a peristaltic pump
WO2013163364A1 (fr) * 2012-04-27 2013-10-31 Covidien Lp Dispositif de distribution de fluide pourvu d'un connecteur et d'un réservoir compressible
CN110937243A (zh) * 2019-11-10 2020-03-31 赵梦艳 一种无序去除皮口内壁处牙膏的儿童专用牙膏盒
CN110937243B (zh) * 2019-11-10 2021-11-26 扬州三峰刷业有限公司 一种无序去除皮口内壁处牙膏的儿童专用牙膏盒

Also Published As

Publication number Publication date
GB9304014D0 (en) 1993-04-14
JPH08506785A (ja) 1996-07-23

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