EP0312165A2 - Emballage distributeur du type tournant - Google Patents

Emballage distributeur du type tournant Download PDF

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Publication number
EP0312165A2
EP0312165A2 EP88202250A EP88202250A EP0312165A2 EP 0312165 A2 EP0312165 A2 EP 0312165A2 EP 88202250 A EP88202250 A EP 88202250A EP 88202250 A EP88202250 A EP 88202250A EP 0312165 A2 EP0312165 A2 EP 0312165A2
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EP
European Patent Office
Prior art keywords
elevator
feed screw
product
dispensing package
cams
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
Application number
EP88202250A
Other languages
German (de)
English (en)
Other versions
EP0312165B1 (fr
EP0312165A3 (fr
Inventor
Calvin Small Cook
Robert Calvin Johnson
Daniel R. Long
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP0312165A2 publication Critical patent/EP0312165A2/fr
Publication of EP0312165A3 publication Critical patent/EP0312165A3/fr
Application granted granted Critical
Publication of EP0312165B1 publication Critical patent/EP0312165B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
    • A45D40/04—Casings wherein movement of the lipstick or like solid is a sliding movement effected by a screw

Definitions

  • This invention relates to swivel-up type dispensing packages and, more particularly, to swivel-up type packages used to apply cream type deodorants or antiperspirants to the underarm.
  • Swivel-up dispensing packages have been used to dispense cosmetic cream products to the axillae of the user.
  • the product is moved to the outer end by manually turning a hand wheel, which drives a feed screw and, in turn, an elevator. Moving the elevator into the product pressurizes it, causing the product to be extruded through the orifice onto the applicating surface.
  • the user may not be able to visually judge the proper amount of deodorant or antiperspirant which should be applied to each underarm, much less dispense this amount on an ephemeral basis with any degree of precision. Applying too much deodorant results in product waste and staining of clothes, while applying too little deodorant prevents efficacious results from being obtained.
  • excess product will remain on the applicating surface creating a soiled and messy appearance.
  • a dispensing package for cream products comprises a container body which has a uniform cross section interior chamber to hold the product and a lengthwise central axis, an elevator congruent to and which axially moves within the interior chamber, and an axially rotatable means to cause the elevator to advance forward while axially reciprocating the elevator one cycle for each increment of forward movement.
  • the swivel-up dispensing package has a body 21 preferably made of polypropylene or other suitable material.
  • the size should allow the dispenser to be conveniently held by the user, yet large enough to accommodate the internal components discussed below and the desired charge of the cream product to be dispensed.
  • the body must also be sturdy enough to provide a frame to hold the components discussed below in the described relationship.
  • a wall thickness of approximately 1.4 to 1.7mm (0.055 to 0.065 inches) has been found adequate, without requiring excess material. All of the plastic parts discussed below are best made using standard injection molding techniques and a homopolymer polypropylene.
  • the axis of the body 21 is vertical as illustrated by Figures 1 and 2.
  • an applicating surface 22 which forms the outer end of the container body and serves two functions. First, if the cream product is dispensed by contact with the surface to which it is applied, the applicating surface 22 provides for a uniform distribution of the product without an excessive or wasteful amount being applied. Also, the surface protects the product from external contamination when the dispens­er is not in use.
  • the polypropylene applicating surface 22 may be generally flat, arcuate or any shape judged advantageous for applying the product in the desired manner.
  • the arcuate shape shown in Figures 1 and 5 has a compound curvature, with a radius of approximately 21mm (0.84 inches) in the short direction and a radius of approxi­mately 5.75cm (2.265 inches) in the longer direction. This curvature has been selected because it conforms well to the axilla area.
  • the applicating surface 22 has one or more orifices 23 positioned therein which allow the product to be conveyed from an interior product chamber to the desired surface.
  • the size, number, and distribution of the orifices 23 must be considered along with the shape of the applicating surface 22 and material properties of the cream product being dispensed to ensure proper application will result.
  • An applicating surface 22 having four to twelve orifices 23 with a diameter of about 4.3mm to about 7.4mm (.17 to .29 inches) has been found adequate.
  • the orifices 23 need not be round, as shown, but may be of any shape which provides for uniform application and distribution of the cream product.
  • An adhesive seal may be placed over the orifices 23 to prevent product from being jarred out of the dispenser during shipment, and then removed prior to the first use of the dispenser.
  • a cap 24 may be placed over the applicating surface to prevent dust and other contaminates from settling thereon.
  • the cap 24 may be engaged by a full or partial snap bead circum­ferentially disposed about the tubular body, a friction fit or other conventional means.
  • the cap 24 and the adhesive seal also provides a means to prevent loss of the cream product or its components through evaporation, weeping, etc.
  • the product is held in an interior chamber 25 as illustrated in Figure 2.
  • the sides 26 of the chamber 25 may be formed by the interior surface of the container body 21, eliminating the need for additional materials, or can be a separate cavity within the body as shown in Figure 2.
  • the chamber 25 is bounded on the top by the wall forming applicating surface 22.
  • the bottom of the chamber 25 is defined by the position of an elevator 27 as the elevator moves towards the applicating surface 22.
  • the volume of the interior chamber 25 is the product of its cross sectional area and the effective distance between the elevator 27 and the applicating surface 22. This volume should be sufficient to accommodate the total amount of product to be contained when the elevator 27 is in its initial or lowermost position.
  • a cross-sectional area of approximately 11 square centimeters (1.7 square inches) and an axial length of 43mm (1.69 inches) will accommodate 42.5 grams (1.5 ounces) of a typical cosmetic cream product. It is important to prevent leakage of the product from the interior chamber 25, prior to the first use of the dispensing package and between subsequent usages. Therefore, seals should be provided at the junctures between the interior chamber 25 and the wall forming the applicating surface 22 and the interior chamber 25 and the elevator 27.
  • the interior chamber side wall 26 and the wall forming the applicating surface 22 can be molded as a single piece, eliminat­ing the need for a seal at this juncture. If any other seams or leakage paths are present as a result of the manufacturing pro­cess, seals should also be provided at these locations.
  • the elevator 27 is slidable within and tightly fitted to the sides of interior chamber 25. having a cross section that is generally perpendicular to and congruent with chamber 25. It is necessary that the fit of the elevator 27 to the interior chamber 25 be tight enough to accommodate the sealing means discussed above, but not so tight as to require excessive force to overcome the friction between the elevator 27 and interior chamber sides 26, or difficulty will be encountered when trying to move the elevator 27 towards or away from the applicating surface 22. To accommodate the preferred drive means discussed below, it is necessary that the elevator 27 not rotate with respect to the container body 21. This objective can be accomplished if the cross sections of the elevator 27 and interior chamber 25 are noncircular.
  • the upper surface 28 of the elevator 27 is shaped to conform to the wall forming the underside of the applicating surface 22 so that virtually all of the product is dispensed when the elevator 22 is advanced to the top of chamber.
  • either grooves or ribs may be placed near the lower elevation of sides, adjacent to elevator 27 to facilitate package filling.
  • the grooves provide a vent channel for air displaced by filling chamber 25 with the product.
  • the ribs radially deform elevator 27 allowing air to be vented during product fill. After filling is completed, the elevator 27 may be moved upwards to an elevation above the grooves or ribs and restore the seal with the sides 26 of chamber 25.
  • affixed to the top 28 of the elevator 27 are vertical nubs 29 and deformable fins 30. These fins 30 and nubs 29 serve to alert the user when the product is nearly deplet­ed.
  • the flexible fin 30 encounters the wall in a position adjacent to an orifice 23.
  • the fin 30 preferentially deflects towards an orifice 23 and begins to block the orifice 23 opening. After the side of the fin 30 has laterally crossed the orifice 23 a sufficient distance, it will become visible from the exterior of the package when one looks into the orifice 23, indicating to the user the product is nearly depleted.
  • the means to drive the elevator 27 from its initial position towards the applicating surface 22, comprises a feed screw 31, perpendicularly affixed to the underside of the elevator 27.
  • the elevator 27 and feed screw 31 may be molded from one piece of material, preferably polypropylene, or attached by known means such as a collar which prevent separation or rotation of the feed screw 31 relative to the elevator 27.
  • the feed screw 31 is also made of polypropylene and provides an axial advance ranging from about 1.0 to about 5.1 mm (0.040 to 0.20 inches) per rotation depending upon the number of cams 34 and dosage desired.
  • the length of the feed screw 31 must correspond to at least the axial dimension of the interior product chamber 25.
  • the diameter of the feed screw 31, is not critical, and can range from about 3.2 to about 17.3mm (0.125 to 0.680 inches). If the dispensing package is filled by injecting the product through a hollow feed screw, a diameter near the upper end of the range should be selected, and a plug should be inserted in the bottom of the hollow feed screw to prevent subsequent loss of the product.
  • the feed screw 31 is similarly nonrotatable with respect to the container body 21 and aligned with the central axis.
  • the feed screw 31 is advanced in the forward axial direction by the relative rotation of an internally threaded nut 32 which is threaded onto the feed screw 31 and aligned with the feed screw 31 along the axis of the body 21.
  • the nut 32 is molded into or otherwise made a part of a rotatable injection molded polypropylene hand wheel 33, which is large enough to extend outside of the container body 21 and be easily grasped by the user.
  • the threaded engagement of nut or hub 32 associated with the hand wheel 33 causes axial advance of the feed screw 31 and elevator 27, thus extruding the cream product through the orifice 23 in the applicating surface 22.
  • Continued rotation of the hand wheel 33 will advance the feed screw 31 and elevator 27 until the elevator 27 is restrained by the interior of the applicating surface 22.
  • the hand wheel 33 surface may be textured with vertical grooves or ribs which improve the user's grasp.
  • the yield pressure is defined as the pressure at which simple deformation of the structural matrix ceases and the product undergoes permanent loss of its structural integrity.
  • the yield pressure can be estimated by expelling the product through a representative applicating surface 22 with an elevator and record­ing the pressure which remains on the elevator after its motion is stopped, or the yield pressure can be measured by a viscometer as the maximum point on a shear stress versus shear rate curve. This residual pressure will cause the cream product, or its components, to weep onto the applicating surface 22, resulting in an undesir­able appearance and product waste.
  • a typical cosmetic cream product has a yield pressure ranging from 4 to 20 grams per square centimeter.
  • the dispensing package axially retracts the elevator 27, in a reciprocating cycle after each predetermined increment of forward axial movement. This is accomplished by superimposing alternating axial reciprocative displacements onto the unidirectional axial advance of the feed screw 31 due to its threaded engagement with nut 32. The axial advance of the feed screw 31 has been described in detail above and will not be repeated here.
  • the axially reciprocating dis­placement of the elevator 27, is accomplished by a cam 34 and follower 35. Either the cam 34, or follower 35, can be associated with the rotary input provided by the drive element, and either the cam 34, or follower 35, can be attached to the feed screw 31, hand wheel 33 or elevator 27.
  • the embodiment shown in Figure 3 includes uniformly sized saw tooth shaped cams 34 rigidly disposed about the end of a polypropylene vertical post 36 which is affixed in a stationary manner to the container body 21.
  • Cams 34 having an axial dimension ranging from about 0.25 to about 1.40mm (0.010 to 0.055 inches) and a forward face 37 that forms an angle between about 20° and about 50° with the horizontal plane have been found suitable for the cosmetic cream product discussed above.
  • the number of cams 34 on the vertical post 36 will vary with the diameter of the post 36 and the angle through which the feed screw 31 is driven in each cycle.
  • a 20.7mm (0.815 inch) diameter post having 26 cams is suitable.
  • Cams having a V-shape or other profile may also be used, but the saw tooth profile having a ramped forward face 37 and a secondary vertical face 38 which is parallel to the axis of the feed screw 31 has been found to yield the most favorable results.
  • the forward face 37 may be biased coincident with the lead angle of the feed screw 31 towards the center of the vertical post 36 such that planar contact is main­tained between the cam faces 37 and follower 35 to reduce wear.
  • the shape of the follower 35 is also sawtooth shaped or V-shaped to correspond with the profile of the cams 34.
  • the vertical post 36 which holds the cams 34, must be stationary relative to the container body 21.
  • a feasible manner to hold the post 36 and cams 34 stationary is to mold the post 36 and base of the container body 21 as a unitary piece with the base and post being mutually perpendicular.
  • the base can then be snapped into position at the bottom of the container body 21, and held in place with a snap lock, an annular bead or other known means.
  • the post 36 will be in alignment with the axis of the dispensing package.
  • the cams 34 may be affixed directly to the base of the container body 21, eliminating post 36, if the geome­try of the package, particularly hand wheel 33, is adjusted to accommodate this arrangement.
  • the thickness of the base should generally correspond with the thickness of the walls of the container body 21, as discussed above.
  • the ramped or forward face 37 of the follower 35 will ride up the stationary ramped cam face 37 as shown by Figure 4, causing an additional component of axial displacement to be superimposed onto the advance of the feed screw 31.
  • the elevator 27 in turn, will receive the forward axial movement of two separate components, the axial advance due to rotation of the nut 32 relative to the feed screw 31 and the axial advance due to the component of the ramped cam face 37 oriented in the axial direction.
  • the axial displacement of the elevator 27 becomes sufficient to pressurize the product to cause it to flow through the orifices 23.
  • the follower 35 After the follower 35 has advanced slightly past the crest 39 of the forward face 37, the follower 35 will retract in an axial direction opposite to the direction of forward advance. When the follower 35 retracts, it will come to an intermediate position on the next ramped cam face 37 and ride down this face to the root where it is restrained by the secondary vertical face 38. By moving the follower 35 in a direction which is opposite to the forward travel, the elevator 27 retracts from the product and thereby relieves the residual pressure caused by the forward stroke. It should be obvious that the component of axial dis­placement the follower 35 moves as it rides up the ramped forward cam face 37 equals the axial distance the follower retracts 35 in the reverse direction to the root of the secondary vertical cam face 38. It should be noted however, that the net forward advance of the elevator 27 is greater than the retraction, due to the undirectional forward displacement caused by relative rotation of the feed screw 31 to nut 32. This net advance provides for dispensation of a predetermined quantity of the cream product.
  • cams 34 having an axial dimension between 0.25 and 1.40mm (0.010 to 0.055 inches) work well with a cream product having a Stevens Texture Analyzer Penetration Number from about 150 to about 600 grams and a yield pressure from about 4 to about 20 grams per square centimeter.
  • a suitable return spring 40 may be inserted in the dispenser to urge the follower in the retraction direction.
  • a wire.wound helical spring 40 can be inserted into a cylindrical recess in the hand wheel 33.
  • the force exerted by the return spring 40 will vary with the axial position of the follower 35, within a range of approximately 1.3 to 8.9 Newtons (0.3 to 2.9 pounds).
  • the spring 40 is restrained at the bottom by the cylindrical recess in the hand wheel 33 and at the top by a horizontal partition which is integral with the sides 26 of the interior chamber 25 and snapped into position inside the container body 21.
  • the ramp angle of the forward cam face 37 and force of the return spring 40 must be balanced to allow the follower 35 to back drive when placed at an intermediate position on the ramped cam face 37 or to retract after passing the crest 39 and yet not require undue difficulty to advance to the crest 39 of the ramp where the force due to spring 40 is greatest.
  • the number of cams 34, lead angle of the feed screw 31 and cross section of the interior chamber 25 will determine the amount of product dispensed per cycle. It is important that the retrac­tion displacement due to the height of the secondary cam faces 38 be sufficient to reduce residual pressure in the product to a level which does not cause weeping of the product or its compo­nents onto the applicating surface 22. Thus, the minimum amount of retraction desired is that which gives sufficient pressure relief, according to the properties of the product being dis­pensed, to prevent weeping onto the applicating surface 22. However retracting the elevator 27 too far in a given cycle will result in uneven product distribution on the next dispensing cycle. The preferred retraction is within the range of 0.51 to 0.89mm (.020 to .035 inches).
  • the user may be instructed, or judge for himself, that the hand wheel 33 should be rotated until three "clicks are felt and heard.
  • the hand wheel 33 By rotating the hand wheel 33 through an arc sufficient to obtain three "clicks", the user can dispense the desired amount of product with a high degree of precision.
  • a minimum dosage can be designed into the dispenser, preventing the user from applying an amount of product which is not sufficient to yield efficacious results. It has been found the predominant tendency of the user is to stop turning the hand wheel 33 shortly after the "click” is sensed.
  • product is dispensed in discrete incremental doses as the elevator 27 approaches the crest 39 of the ramped cam face 37, rather than in a continuous flow.
  • a second embodiment having an alternative means to drive the elevator is utilized in the dispensing package illustrated in Figures 5 through 9.
  • the dispensing package is similar to the embodiment discussed above, with the hand wheel 33 being replaced by a push button 41 which is made of injection molded acetal.
  • the button 41 pivots about the lower fixed end, causing the upper free end to move towards the drive means in a direction transverse the axis of container body 21′.
  • the button 34 has two horizontally oriented integral pegs which fit into coacting stationary mounts, affixed to the base of container body 21′. The upper part of the button 41 then pivots about these pegs when depressed by the user.
  • the base of the container body 21′ may be attached to the side walls by a snap lock, annular beading or other conventional means.
  • the pivot point can be positioned at the side or top of button 41.
  • the button 41 can still be depressed by the user in a direction which is transverse the axis of container body 21′, and the pawl 43 can be adapted to engage the wheel 42 in a generally tangential direction.
  • the button 41 can be made to translate perpendicular to the axis of the container body 21, so long as pawl 43 engages the wheel 42 in a generally tangential direction.
  • the button 41 is spring loaded so that it will return to position 45 when released by the user. The maximum spring force should not exceed 22.2 Newtons (5 pounds) when the button is fully depressed.
  • the geometry permits a wire.wound helical spring to be inserted between the button 41 and the vertical post 36′.
  • an integral pawl 43 moves inwardly and outwardly adjacent the periphery of wheel 42 through an arc or stroke S, as shown in Figure 6.
  • the wheel 42 is rotatable and perpendicular to the lengthwise axis of the dispensing package and feed screw 31′.
  • a plurality of one way ratchet teeth 44 are rigidly affixed to the circumference of the wheel 42.
  • the wheel is preferentially made of injection molded acetal, although polypropylene has been found to be acceptable and has a diameter of approximately 26mm (1.0 inch) and 26 ratchet teeth with faces ranging from 1.02 to 1.91mm (0.040 to 0.075 inches) in the radial direction.
  • the pawl 43 engages one of the ratchet teeth 44, imparting a force to the wheel 42 in a generally tangential direction and rotating the wheel an arcuate amount dependent on the size of the wheel 42, the stroke S of the button 41 and radial placement of the pawl 43.
  • the wheel 42 is horizontally mounted on a stationary vertical post 36′, which telescopes within an axial counterbore in the hub of wheel 42 and allows the wheel 42 to rotate about its own center.
  • the axial counterbore provides stability for the wheel 42 to float in the axial direction without falling off the vertical post 36′.
  • Vertical post 36′ is station­ary relative to the container body 21 and in alignment with the lengthwise axis and feed screw 31′.
  • the post may be integrally molded with the polypropylene base, or attached to the sides of the container body 21, such that there is no interference with the drive means.
  • the top of the post 36′ may be fitted with sawtooth or V-shaped cams 34′ or cams 34′ of any other shape judged advantageous and which react against similarly shaped teeth formed in the counterbore and oriented in the nonengaging direction to prevent reverse cycling of wheel 42 when the button 41 is released by the user.
  • Cams 34′ constructed according to the description of cams 34, above, are suitable.
  • the feed screw 31′ and elevator 27′ are not rotatable relative to the container body 21′ of the dispensing package. Therefore, when the feed screw 31′ is threadably insert­ed through the threaded bore of the hub of wheel 42′, rotation of the wheel 42′ relative to the feed screw 31′ will cause axial movement of the feed screw 31′ and elevator 27′ in a direction determined by the hand of the lead angle of the screw threads.
  • the wheel 42 rotates through an arc subtended by the displacement of the driven ratchet tooth 44 due to the action of the pawl 43 on the tooth.
  • the feed screw 31′ is held nonrotatable relative to the container body 21′.
  • the rela­tive motion between the internal threads of the wheel 42 and the external threads of the feed screw 31′ causes the feed screw 31′ to move a predetermined distance in an axial direction.
  • the feed screw 31′ is directly linked to the elevator 27′, causing it to undergo an identical axial displacement, which action eventually expels the product through the orifices 23′ in the applicating surface 22′.
  • the subsequent driven tooth 44 be positioned close enough to an adjacent prior driven tooth that the pawl 43 will move the second tooth into position after the forward stroke S, from position 45 to position 45′, nonengagingly slide past the subsequent tooth on the return stroke S, from position 45′ to position 45, then engage this tooth on the next forward stroke, imparting torque to the wheel 42′.
  • the angle of back face 46 of the ratchet teeth 44 and the back face 47 of pawl 43 must allow the pawl 43 to slide over the teeth 44 when the button 41 returns to its starting or outwardly biased position 45.
  • the wheel 42 can be rotated through a sufficient number of turns to ultimately advance the feed screw 31′ and elevator 27′ to the wall on which applicating surface 22′ is located.
  • the number of teeth 44 and lead angle of the feed screw 31′ can be advantageously adapted to provide a desired dose of product for a given cross-sectional interior chamber 25′.
  • the member 48 holding the pawl 43 is resiliant and advantageously designed to accommodate the preferred motion of the pawl 43. If the member 48 has a rectangular cross section oriented with the longer side facing the wheel 42 and the shorter side aligned radially with the wheel 42, the member 48 will easily bend in the radial direction. By bending away from the wheel 42, the member 48 more easily accommodates the return stroke S from position 45′ to position 45 of the button 41 and pawl 43 past the subsequent ratchet teeth 44. The longer side of the rectangle is designed to ensure sufficient torsional rigidity of the member 48. A member having a cross section with the shorter side ranging from 1.1 to 2.0mm (0.045 to 0.080 inches) and the longer side of 7.0mm (0.275 inches) works well. The member is made integral with the button by injection molding both pieces as a single unit, made of acetal.
  • the member 48 holding the pawl 43 is fashioned to serve as a tensioned spring clip, shaped like an inverted "L” which bears downward against the wheel 42, preventing separation of the follower 35′ from the vertical post 36 on which the follower 35′ is mounted.
  • a second spring clip 49, to equally load each side of the wheel 42, is included. The required spring forces ranges from approximately 1.3 to 8.9 Newtons (0.3 to 2.0 pounds), as discussed above.
  • the faces of the ratchet teeth 44 and pawl 43 can be oriented angularly with respect to the axis of feed screw 31′ so that the force imparted to the teeth 44 has a tangential component and a component parallel to the axis of the feed screw 31′.
  • the tangen­tial component serves the function of imparting torque to the wheel 42, while the component in the axial direction can be used to reduce the torque required to provide the reciprocation, due to the interaction of the cams 34′ and follower 35′ by displacing the wheel 42 in the axial direction. This feature becomes more desirable as the height of cams 34′ is increased to achieve the necessary pressure relief.
  • the teeth 44 will urge the wheel 42 against the sta­tionary post 36′.
  • the feed screw 31′ and elevator 27′ will be similarly advanced on an intermittent basis. This causes the product to be dispensed in discrete doses corresponding with the intermittent movements of the elevator 27′.
  • the dispensing package will accurately and repeatedly dispense a given dose size.
  • the dispenser is easily adapted to effective use since the user may be instructed, or judge for himself, that the proper dose is obtained only by depressing the button 41, a certain number of times; for example, three times. The user can therefore quickly and precisely obtain this dose through the simple action of depressing the button 41 the required three times.
  • a third embodiment illustrated in Figure 10 and similar to the embodiment of Figure 1, utilizes a rotatable hand wheel 33 located at the base of the container body 21 ⁇ .
  • a rotatable hand wheel 33 located at the base of the container body 21 ⁇ .
  • the applicating surface 22 ⁇ may be a separate element and retained in position, as shown, by a snap bead or other means known to one skilled in the art.
  • the interior wall of the body 21′ forms the product chamber, which holds the cream product, obviating the need for a separate cavity within the body 21 ⁇ .
  • axially movable elevator 27 ⁇ Disposed within the body 21 ⁇ is axially movable elevator 27 ⁇ congruent to the inside of the body 21 ⁇ . Rigidly and nonrotatably associated with the bottom of the elevator 27 ⁇ is internally threaded nut 32 ⁇ .
  • the nut 32 ⁇ should have an axial length approximately equal to the internal diameter of the nut 32 ⁇ to help provide stability to the elevator 27 ⁇ during its travel.
  • the base of the body 21 ⁇ is arcuate, having a recess which is convex towards the applicating surface 22 ⁇ .
  • the base recess is disposed above the hand wheel 33′ and has a centrally located axially tapered hole 50 therein.
  • the lowest elevation of hole 50 is at the base recess.
  • the hole 50 is centered between a plurality of cantilevered fingers 51, typically four. Each finger 51 has one end affixed to the container body 21 ⁇ base and extends upwardly towards the applicating surface 22 ⁇ and radially inwardly towards the central axis, terminating in a free end.
  • the free ends of the fingers 51 are disposed at an elevation above the base and define the circumference of the top of hole 50, which circumference is smaller than that of hole 50 at the elevation of the base.
  • the free ends of fingers 51 also define the highest axial position of hole 50.
  • Each finger 51 is separated from the adjacent fingers 51 by slots, allowing each finger 51 to deflect independently of the other fingers 51.
  • Fingers 51 having fixed ends disposed about the circumference of base hole 50 and which form an angle of about 70° relative to the horizontal are suitable. It will be apparent to one skilled in the art that the fingers 51 could also be cantilevered from other positions on the base or from the inside wall of the container body 21 ⁇ , so long as the fingers 51 do not interfere with the movement of elevator 27 ⁇ . It will be further apparent that the fingers 51 could be oriented at other angles, including parallel to the horizontal.
  • each finger 51 Disposed on the free end of each finger 51, is a plurality of cams 34 ⁇ .
  • the cams 34 ⁇ as described above, may be shaped like saw tooth ratchet teeth, as shown, may be V-shaped, or any other profile judged to be advantageous by the user may be employed.
  • cams 34 ⁇ having a forward face 37 ⁇ ramped from about 20° to about 50°, preferably about 40° relative to the horizontal and an abrupt secondary face 38 ⁇ having an axial dimension ranging from about 0.25 mm to about 1.40 mm (0.010 to 0.055 inches) are generally suitable.
  • the free end of finger 51 will accommodate five to seven cams 34 ⁇ thereon.
  • a space or land may be interposed between adjacent cams 34 ⁇ to provide for a desired number of cams 34 ⁇ on a finger 51 at a specified diameter and having a specified forward face 37 ⁇ ramp angle.
  • an axially rotatable hand wheel 33′ is disposed beneath the arcuate base of the body 21 ⁇ in the recess of the base.
  • the hand wheel 33′ should have a exterior profile generally conforming to the recess of the base and extend­ing outwardly from the sides of the body 21 ⁇ so that the hand wheel 33′ may be easily grasped by the user.
  • a plurality of ratchet teeth, or followers 35 ⁇ Disposed about the periph­ery of the feed screw 31 ⁇ is a plurality of ratchet teeth, or followers 35 ⁇ , adapted to coact with the cams 34 ⁇ disposed on the free ends of the fingers 51 and preferably equal in number to the number cams 34 ⁇ on the fingers 51.
  • a minimum of about four teeth 35 ⁇ are necessary to provide stability for the mechanism and prevent erratic movement of the elevator 27 ⁇ .
  • the ratchet teeth, or followers 35 ⁇ , of the feed screw 31 ⁇ may depend from a circumferential collar 52, as shown, or otherwise protrude laterally from the circumference of the feed screw 31 ⁇ .
  • Either the cams 34 ⁇ or followers 35 ⁇ should not be equally spaced about the central axis, such that any point in time, not all of the followers 35 ⁇ are in an azmuthal position corre­sponding to the slots between the fingers 51. This can be accomplished by having each of the four fingers 51 subtend an arc not equal to 90°.
  • the slots are no wider than three-fourths of a tooth 37 ⁇ , to provide stability to the followers 35 ⁇ .
  • at least four followers 35 ⁇ , spaced approximately 90° apart, are engaged with the cams 34 ⁇ at all times.
  • the hand wheel 33 and feed screw 31 ⁇ assembly has a return spring 53 associated therewith.
  • the return spring 53 is preferentially incorporated into the hand wheel 33′, as shown, to prevent accidental dispensing of product should the hand wheel 33′ be bumped, as for example, during packing of the dispensing containers.
  • One manner in which the return spring 53 can be incorporated into the hand wheel 33′ is to provide a plurality of spokes extending from the central portion of the hand wheel 33′ to the periphery of the hand wheel 33′ and radiating in a spiral pattern as shown. The spokes flex, allowing relative axial displacement between feed screw 31 ⁇ and hand wheel 33′. The spiral pattern of the spokes should be such that the spokes are tensioned as the hand wheel 33′ is rotated.
  • the return spring 53 may be external the hand wheel 33′, such as a leaf spring (not shown) cantilevered from the interior of the container body 21 ⁇ .
  • an acetal hand wheel 33′ having a diameter at the lowermost portion of approximately 37.3 mm (1.47 inches) and a thickness of approximately 1.4 to 1.5 mm (.055 to .060 inches) is suitable.
  • the plurality of followers 35 ⁇ may be disposed approximately 9.0 mm (.355 inches) above the top of the hand wheel 33′.
  • Approximately 14.3 mm (.562 inches) above the top of the hand wheel 33′ is a suitable elevation for the axial position of the collar 52.
  • a collar 52 having a diameter of about 7.5 mm (.297 inches) is sufficiently narrow to push through the hole 50 between the free ends of the fingers 51.
  • the proximal end of the feed screw 31 ⁇ is preferentially disposed immediately above the collar 52.
  • a spring 53 having a rate of approximately 3600 gm/cm (20 pounds per inch) is suitable. Such a spring rate can be approximated by a triskelion shaped spring 53 having spokes approximately 0.8 to 0.9 mm (.030 to .035 inches) in thickness, approximately 4.6 mm wide (.180 inches) and separated by slots approximately 1.0 mm (.040 inches) wide.
  • One suitable drive means has an elevator 27 ⁇ of approximately 11 square centimeters (1.7 square inches) and a feed screw 31 ⁇ of approximately 5.6mm (.220 inches) diameter.
  • the feed screw 31 ⁇ is centered between approximately 28 cams 34 ⁇ on a diameter of about 13.8mm (.540 inches).
  • the cams 34 ⁇ have a forward face 37 ⁇ inclined at approximately 40° relative to the horizontal and an axial dimension of about 0.51mm (.020 inches).
  • a feed screw 31 ⁇ which axially advances about 1.3mm (.05 inches) per rotation will dispense approximately .045 cubic centimeters of the cream product described above each time a cam 34 is traced. If the feed screw 31 ⁇ is made to advance about 5.1mm (.20 inches) per rotation, approximately .18 cubic centimeters of the product is dispensed each time a cam 34 ⁇ is traced.
  • the package is assembled by inserting the elevator 27 ⁇ in the top of the product chamber and pushing the elevator 27 ⁇ downwardly until the nut 32 ⁇ protrudes through the hole 50 in the base.
  • the feed screw 31 ⁇ is then threadably engaged with the nut 32 ⁇ , and the hand wheel 33′, feed screw 31 ⁇ and elevator 27 ⁇ are pushed upwardly towards the top of the container body 21 ⁇ , until the collar 52 snaps into place above the plurality of fingers 51.
  • the fingers 51 will spring outwardly until admitting the collar 52, but will be compressed and engage the collar 52 should one attempt to retract or pull the hand wheel 33′ back out of the bottom of the dispensing package.
  • the feedscrew 31 ⁇ is rotated via hand wheel 33′, drawing the elevator 27 ⁇ assembly to its proximal, or lowermost, position.
  • the graphs illus­trate that when less force is applied to expel the product through orifices 23, less residual pressure will remain on the product.
  • the amount of force applied to expel the product is related to the axial advance caused by rotation of the feedscrew and the cross-­sectional area, and to a lesser extent distribution, of orifices 23.
  • the amount of axial retraction caused by cams 34 must be proportionally increased. This will prevent the product or its components from weeping onto the applicating surface 22.
  • the container body 21 is not perfectly rigid and may be placed in tension by high residual yield pres­sures.
  • the elevator displacement is graphically illustrated by Figure 14, which shows the relationships between elevator dis­placement and product dispensed on the vertical axis and hand wheel 33 or ratchet wheel 42 rotation on the horizontal axis.
  • a line 61 drawn from the first origin represents the elevator 27 displacement due to advance of the feed screw 31 caused by rota­tion relative to nut 32, without riding on the cams 34.
  • Lines 62-63-62 of the same graph represent the axial advance of elevator 27 due to the follower 35 tracing the profile of the saw tooth shaped cams 34.
  • the two curves shown on the first horizontal axis of Figure 14, can be superimposed, as shown by the resultant curve on the second horizontal axis, to give the axial displacement of the elevator 27.
  • This superposition is shown by points 62 and 63 of the first graph shifting to points 62′ and 63′ in the second graph.
  • the displacement of the follower 35 as it rides on cams 34 is superimposed with the axial displacement of the feed screw 31 to give the resultant cycle shown by lines 62′-63′-62′. If the feed screw displacement line 61 is superimposed on the resultant cycle 62′-63′-62′, line 61 will intersect at points 62′.
  • the retraction of the elevator 27 occurs along the vertical line 63′-62′ in Figure 14 after the product has been dispensed.
  • pressure on the product is re­lieved. This results in a deadband, shown as line segment 63′-65 in Figure 14.
  • the deadband 63′-65 is the portion of the cycle in which no dispensing of product occurs during the initial phase of forward axial movement.
  • product is not dispensed until the elevator 27 is near point 65, the furthest axial position attained during the preced­ing cycle.
  • the pressure relief characteristic of the dispensing package can be reduced.
  • the lead angle of the feed screw 31 is adjusted, as described above, to provide a small advance of the elevator 27, relative to the advance due to the cams 34, the dosing feature described above is maintained.
  • This dosing effect is characterized by dispensing product only during a short part of each cycle.
  • dispensing product typically, when approxi­mately one quarter or less of the rotation between "clicks" dispenses product, and the remaining rotation advances the eleva­tor 27 a distance which is insufficient to dispense product, the dosing effect defined by this invention is maintained.
  • Dispens­ing, at a non-uniform rate, which gives discrete dosing can be maintained with a deadband 63′-65 of less than one-half the dispensing cycle, but a deadband of three-fourths cycle or greater is preferred.
  • This dosing effect can be amplified, as graphically illus­trated in Figure 15, by adding spaces or lands between the cams 34 which cause the follower 35 to dwell in the axial direction.
  • product dispensed in the large part of the cycle 62 ⁇ -65′ that is characterized only by the advance of the feed screw 31 and by riding up the cam to the maximum forward displacement of the previous cycle.
  • the dispensation of the product will be effectively limited to that portion of the cycle 65′-63 ⁇ , which includes both the axial advance of the cam 34 and feed screw 31 beyond the furthest axial position of the previous cycle.
  • the invention can be adapted to a dispensing package which emphasizes pressure relief but not the dosing effect. If the lead angle of the feed screw 31 is in­creased, and the height of cams 34 retracts the elevator 27 a distance which is sufficient to relieve the residual pressure to a degree which prevents weeping onto surface 22, as graphically illustrated by the increased slope of line 61 ⁇ of Figure 16, the invention increases the pressure relief without increasing the dosing effect.
  • the height of the cams 34 will provide enough pressure relief to prevent weeping and the increased lead angle of the thread of the feed screw 31, will cause an exaggerated part of the cycle 65 ⁇ -63′′′ to dispense product, as shown on the second horizontal axis of Figure 16.
  • the dispenser can be designed to amplify either the dosing characteristic, pressure relief characteristic, or both.
  • feed screw 31 could be fitted with gear teeth. These gear teeth could then be engaged with the teeth of a mating gear which extends outside of the container body to be rotated by the user and in turn drive the feed screw 31.
  • a device is closely related to the first and third embodiments as described above, differing only in that the rotatable hand wheel 33 is a gear which drives feed screw 31.
  • the means to convert transverse movement of the button 41 into relative rotary movement between the feed screw 31′ and nut 32′ could be arranged to suit the elevator drive arrangement.
  • the feed screw 31′ could be made integral with the ratchet wheel 42 so that one portion of the feed screw 31′ has ratchet teeth 44 and a second portion of the feed screw 31′ has exterior threads.
  • the feed screw 31′ will rotate relative to nut 32′ and thereby provide axial advance as described above. If such a feed screw 31′ is rotatable and affixed to the elevator 27′, the part with the ratchet teeth 44 will have an axial length equivalent to the total travel of the elevator 27.
  • a variety of related drive means are known to advance the elevator 27 of any swivel-up dispensing package described above. These rely on relative motion between a feed screw 31 and a nut 32 in the package. Either can be rotated to provide the movement of the elevator 27, depending on the arrangement.
  • a family of mechanisms could be constructed having a non-rotating nut 32 and rotating feed screw 31.
  • the nut 32 can be attached to the elevator 27 and an axially affixed feed screw 31 rotated, or the nut 32 could be mounted in fixed relationship with the package body 21 and a feed screw 31, rotatably affixed to the elevator 27, turned to effect dispensing.
  • a family of other mechanisms can be constructed having a rotating nut 32 and a non-rotating feed screw 31. So long as this relative rotation between the nut 32 and feed screw 31 is maintained, either family of mechanisms would be a feasible drive means for the dispensing package.
  • cam 34 and follower 35 there is also a variety of closely related and feasible alternative embodiments for the cam 34 and follower 35 system.
  • the embodiments illustrated by the figures show a plurality of stationary cams 34 and followers 35 which are associated with the elevator 27 through a rotating hand wheel 33 or ratchet wheel 42.
  • the illustrated followers 35 are specifically adapted to the saw tooth shaped profile of cams 34.
  • a generic follower having one or more axial tines, equally suited to tracing a variety of cam 34 profiles could be utilized.
  • the designer may additionally wish to interchange the positions of the cam 34 and follower 35, such that the follower 35 is stationary, and the cam 34 is associated with the rotating component and elevator. This is easily accomplished since the elevator 27 and follower 35 can be associated with and driven either by riding on the axial motion of a follower 35 or a cam 34.
  • Many other changes can be made without departure from the spirit and scope of the present inven­tion.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Confectionery (AREA)
  • Closures For Containers (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Formation And Processing Of Food Products (AREA)
EP88202250A 1987-10-15 1988-10-07 Emballage distributeur du type tournant Expired - Lifetime EP0312165B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10884087A 1987-10-15 1987-10-15
US108840 1987-10-15

Publications (3)

Publication Number Publication Date
EP0312165A2 true EP0312165A2 (fr) 1989-04-19
EP0312165A3 EP0312165A3 (fr) 1991-02-06
EP0312165B1 EP0312165B1 (fr) 1994-05-18

Family

ID=22324356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88202250A Expired - Lifetime EP0312165B1 (fr) 1987-10-15 1988-10-07 Emballage distributeur du type tournant

Country Status (6)

Country Link
EP (1) EP0312165B1 (fr)
AT (1) ATE105680T1 (fr)
AU (1) AU623350B2 (fr)
BR (1) BR8805360A (fr)
DE (1) DE3889613T2 (fr)
ES (1) ES2052689T3 (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5007755A (en) * 1989-10-05 1991-04-16 The Gillette Company Cosmetic product
FR2664509A1 (fr) * 1990-07-10 1992-01-17 Lvmh Rech Dispositif applicateur pour produits liquides plus ou moins visqueux.
WO1996003899A1 (fr) * 1994-07-29 1996-02-15 The Procter & Gamble Company Distributeur de produit ameliore du type a actionnement par vis comportant une surface d'application perforee adaptable
WO1997016088A1 (fr) * 1995-10-27 1997-05-09 Unilever Plc Conditionnement distributeur
US5833382A (en) * 1996-08-19 1998-11-10 Helene Curtis, Inc. Push-up dispenser suitable for dilatant materials
WO2000064303A1 (fr) * 1999-04-23 2000-11-02 Henkel Kommanditgesellschaft Auf Aktien Distributeur de creme et de deodorant
US6398439B1 (en) 2001-08-13 2002-06-04 The Plastek Group Oval rotary dispenser with pressure relief
US6450716B1 (en) 2001-08-13 2002-09-17 The Plastek Group Round rotary dispenser with pressure relief
WO2007141146A1 (fr) * 2006-06-07 2007-12-13 Beiersdorf Ag Kit pour l'application d'une préparation de fluide
JP2008213858A (ja) * 2007-02-28 2008-09-18 Yoshino Kogyosho Co Ltd 定量繰り出し容器
DE102007022255A1 (de) 2007-05-09 2008-11-13 Beiersdorf Ag Ausgabeöffnungsplatte für optisch attraktive Antitranspirant Formulierungen
EP2181692A1 (fr) 2008-10-27 2010-05-05 Unilever PLC Compositions anti-transpirantes
EP2181691A1 (fr) 2008-10-27 2010-05-05 Unilever PLC Compositions anti-transpirantes
EP2221039A1 (fr) 2009-02-18 2010-08-25 Unilever Plc, A Company Registered In England And Wales under company no. 41424 of Unilever House Compositions anti-transpirantes
WO2010149531A2 (fr) 2009-06-22 2010-12-29 Unilever Plc Compositions antisudorifiques
WO2016062584A1 (fr) * 2014-10-24 2016-04-28 Unilever Plc Distributeur pour crème, gel ou composition solide molle
WO2018129219A1 (fr) * 2017-01-04 2018-07-12 Reflex Medical Corporation Applicateur topique doseur
US10194730B2 (en) 2014-10-24 2019-02-05 Conopco, Inc. Method of controlling perspiration
USD848611S1 (en) 2018-01-24 2019-05-14 Reflex Medical Corp. Metered dose topical applicator
US10315832B2 (en) 2016-09-23 2019-06-11 The Procter & Gamble Company Consumer product package
US10625927B2 (en) 2016-09-23 2020-04-21 The Procter & Gamble Company Consumer product package
USD890434S1 (en) 2016-11-10 2020-07-14 Steven Tyler BROWN Hand-held fluid-substance applicator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756730A (en) * 1971-12-08 1973-09-04 Spatz Corp Fluent material dispenser having ooze prevention means
US4356938A (en) * 1980-10-10 1982-11-02 Kayser Steven J Caulking gun with pressure release mechanism
US4461407A (en) * 1981-04-10 1984-07-24 Danny Finnegan Automatic pressure release mechanism for caulk gun
GB2146612A (en) * 1983-07-25 1985-04-24 Unit Moulders Limited Piston-type dispenser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756730A (en) * 1971-12-08 1973-09-04 Spatz Corp Fluent material dispenser having ooze prevention means
US4356938A (en) * 1980-10-10 1982-11-02 Kayser Steven J Caulking gun with pressure release mechanism
US4461407A (en) * 1981-04-10 1984-07-24 Danny Finnegan Automatic pressure release mechanism for caulk gun
GB2146612A (en) * 1983-07-25 1985-04-24 Unit Moulders Limited Piston-type dispenser

Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5007755A (en) * 1989-10-05 1991-04-16 The Gillette Company Cosmetic product
WO1991004690A1 (fr) * 1989-10-05 1991-04-18 The Gillette Company Produit cosmetique
USRE34751E (en) * 1989-10-05 1994-10-04 The Gillette Company Cosmetic product
FR2664509A1 (fr) * 1990-07-10 1992-01-17 Lvmh Rech Dispositif applicateur pour produits liquides plus ou moins visqueux.
WO1992000689A1 (fr) * 1990-07-10 1992-01-23 Lvmh Recherche Dispositif applicateur pour produits liquides plus ou moins visqueux
US5372444A (en) * 1990-07-10 1994-12-13 Lvmh Recherche Applicator device with side actuated rachet wheel
WO1996003899A1 (fr) * 1994-07-29 1996-02-15 The Procter & Gamble Company Distributeur de produit ameliore du type a actionnement par vis comportant une surface d'application perforee adaptable
US5547302A (en) * 1994-07-29 1996-08-20 The Procter & Gamble Company Twist-up product dispenser having conformable apertured applicator surface
WO1997016088A1 (fr) * 1995-10-27 1997-05-09 Unilever Plc Conditionnement distributeur
US5839622A (en) * 1995-10-27 1998-11-24 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Dispensing package
AU720962B2 (en) * 1995-10-27 2000-06-15 Unilever Plc Dispensing package
US5833382A (en) * 1996-08-19 1998-11-10 Helene Curtis, Inc. Push-up dispenser suitable for dilatant materials
WO2000064303A1 (fr) * 1999-04-23 2000-11-02 Henkel Kommanditgesellschaft Auf Aktien Distributeur de creme et de deodorant
AU746964B2 (en) * 1999-04-23 2002-05-09 Henkel Kommanditgesellschaft Auf Aktien Cream and deodorant dispenser
US6592278B1 (en) 1999-04-23 2003-07-15 Henkel Kommanditgesellschaft Auf Aktien Cream and deodorant dispenser
US6398439B1 (en) 2001-08-13 2002-06-04 The Plastek Group Oval rotary dispenser with pressure relief
US6450716B1 (en) 2001-08-13 2002-09-17 The Plastek Group Round rotary dispenser with pressure relief
WO2007141146A1 (fr) * 2006-06-07 2007-12-13 Beiersdorf Ag Kit pour l'application d'une préparation de fluide
US7874756B2 (en) 2006-06-07 2011-01-25 Beiersdorf Ag Kit for the application of a fluid preparation
JP2008213858A (ja) * 2007-02-28 2008-09-18 Yoshino Kogyosho Co Ltd 定量繰り出し容器
DE102007022255B4 (de) * 2007-05-09 2009-07-09 Beiersdorf Ag Ausgabeöffnungsplatte für optisch attraktive Antitranspirant Formulierungen
DE102007022255A1 (de) 2007-05-09 2008-11-13 Beiersdorf Ag Ausgabeöffnungsplatte für optisch attraktive Antitranspirant Formulierungen
US8403584B2 (en) 2007-05-09 2013-03-26 Beiersdorf Ag Dispensing opening plate for optically attractive antiperspirant formulations
EP2181692A1 (fr) 2008-10-27 2010-05-05 Unilever PLC Compositions anti-transpirantes
EP2181691A1 (fr) 2008-10-27 2010-05-05 Unilever PLC Compositions anti-transpirantes
EP2221039A1 (fr) 2009-02-18 2010-08-25 Unilever Plc, A Company Registered In England And Wales under company no. 41424 of Unilever House Compositions anti-transpirantes
WO2010094546A2 (fr) 2009-02-18 2010-08-26 Unilever Plc Compositions anti-transpiration
WO2010149531A2 (fr) 2009-06-22 2010-12-29 Unilever Plc Compositions antisudorifiques
WO2016062584A1 (fr) * 2014-10-24 2016-04-28 Unilever Plc Distributeur pour crème, gel ou composition solide molle
US10194730B2 (en) 2014-10-24 2019-02-05 Conopco, Inc. Method of controlling perspiration
US10427859B2 (en) 2014-10-24 2019-10-01 Conopco, Inc. Dispenser for a cream, gel or soft solid composition
US10315832B2 (en) 2016-09-23 2019-06-11 The Procter & Gamble Company Consumer product package
US10625927B2 (en) 2016-09-23 2020-04-21 The Procter & Gamble Company Consumer product package
USD890434S1 (en) 2016-11-10 2020-07-14 Steven Tyler BROWN Hand-held fluid-substance applicator
WO2018129219A1 (fr) * 2017-01-04 2018-07-12 Reflex Medical Corporation Applicateur topique doseur
US11040181B2 (en) 2017-01-04 2021-06-22 Reflex Medical Corp. Metered dose topical applicator
USD848611S1 (en) 2018-01-24 2019-05-14 Reflex Medical Corp. Metered dose topical applicator
USD940303S1 (en) 2018-01-24 2022-01-04 Reflex Medical Corp. Metered dose topical applicator

Also Published As

Publication number Publication date
AU2392288A (en) 1989-04-20
EP0312165B1 (fr) 1994-05-18
DE3889613T2 (de) 1995-01-12
AU623350B2 (en) 1992-05-14
ES2052689T3 (es) 1994-07-16
EP0312165A3 (fr) 1991-02-06
BR8805360A (pt) 1989-06-13
ATE105680T1 (de) 1994-06-15
DE3889613D1 (de) 1994-06-23

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