EP0691284B1 - Distributeur pour masses pâteuses - Google Patents

Distributeur pour masses pâteuses Download PDF

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Publication number
EP0691284B1
EP0691284B1 EP95110328A EP95110328A EP0691284B1 EP 0691284 B1 EP0691284 B1 EP 0691284B1 EP 95110328 A EP95110328 A EP 95110328A EP 95110328 A EP95110328 A EP 95110328A EP 0691284 B1 EP0691284 B1 EP 0691284B1
Authority
EP
European Patent Office
Prior art keywords
push button
housing
valve
dispenser according
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95110328A
Other languages
German (de)
English (en)
Other versions
EP0691284A3 (fr
EP0691284A2 (fr
Inventor
Ludger Hackmann
Michael Hahl
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.)
RPC Bramlage GmbH
Original Assignee
RPC Bramlage 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 RPC Bramlage GmbH filed Critical RPC Bramlage GmbH
Publication of EP0691284A2 publication Critical patent/EP0691284A2/fr
Publication of EP0691284A3 publication Critical patent/EP0691284A3/fr
Application granted granted Critical
Publication of EP0691284B1 publication Critical patent/EP0691284B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/0033—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container the piston being a follower-piston and the dispensing means comprising a hand-operated pressure-device at the opposite part of the container

Definitions

  • the invention relates to a dispenser for pasty masses with a housing in which a piston which can only be displaced in the emptying direction and can be supported in the opposite direction by a locking mechanism against the inner wall of the housing is arranged and which has a head part and a pushbutton for displacing a portion of the mass to be dispensed ,
  • This has a centrally arranged shut-off valve which can be opened or closed with the actuation of the pushbutton, the valve and the piston being coupled by a pull rod which axially penetrates the housing and interacting with each stroke of the pushbutton.
  • a dispenser is known from DE-U-83 07 898.
  • a different type of dispenser is known from EP 0 282 791 B1.
  • a portion of the mass to be dispensed is displaced from the contents of the housing by a stroke of the pushbutton with simultaneous opening of a valve arranged centrally in the head part and emerges from a concave wall of the head part designed as an application surface.
  • a vacuum is created in the level column below the head part that straightens up again, which pulls the piston in the direction of emptying.
  • the portion of pasty mass displaced by actuating the deformable head part is added for the next dispensing operation.
  • the known dispenser is consequently filled with the dispenser head pointing downward.
  • the initial area of the housing inner wall is formed with longitudinal grooves.
  • a dispenser for pasty masses is also known, with a piston which is displaceably arranged in the dispenser housing, migrates in the discharge direction and is blocked in the opposite direction, and with a pushbutton actuation on a bellows-type compressible head piece, with which a pull rod penetrating the piston is coupled.
  • the pull rod is coupled to the piston with the interposition of an axial free passage in the head piece.
  • the headpiece has a channel-shaped dispenser mouthpiece opening, the mouth of which can be closed with a stopper for storage. This stopper is removed when the dispenser is opened, after which the mouthpiece opening remains unlocked for further withdrawals.
  • the invention has for its object to further develop a dispenser for pasty masses of the type mentioned and to improve that the disadvantages and difficulties mentioned are overcome and the operating range of the push button is improved and in particular subsequent leakage of mass is prevented after actuation, and that a safe addition of the displaced portion Mass without damage even from small air pockets takes place and the dispenser is inexpensive to manufacture and assemble using simple structural means.
  • the object is achieved with the invention in a dispenser for pasty masses of the type mentioned in the preamble of claim 1 in that the push button is arranged laterally next to the head part and the head part is pressed together by a stroke of the push button (4) or Depressable head part is that the pull rod has a holder in the form of a perforated radial disc, with which it is held in a guide cylinder of the valve body with little axial clearance and with its end part facing the piston, with the interposition of an inner part acting on the piston head and acting opposite the wall-side locking mechanism Locked is non-positively coupled to the piston.
  • the valve is opened when the pushbutton is actuated and on the other hand a predetermined portion of mass is brought out of the valve opening through the opened valve and made available.
  • the valve closes, and the head part, which straightens up again to its relaxed shape, pulls the piston so far over the pull rod that it replenishes the dispensed mass regardless of a more or less large suction.
  • the clearance of the tie rod connection in the head part produces a shorter stroke of the piston compared to a relatively larger actuation stroke when the shape of the head part changes.
  • the design of the dispenser according to the invention results in a simple and safely functioning actuation with a tight closure of the dispensing opening of the dispenser after the actuation while avoiding subsequent leakage or drying of mass.
  • the special design of the actuators fulfills the requirement for using structurally simple means and a design that is favorable in terms of assembly, because the pull rod in the head part is gripped and held in such a way that it can be clipped in from the lower edge of the guide cylinder by its holder in the form of an open radial disk in the guide cylinder of the head part its end part can be inserted through the piston and clipped into the guide cylinder with the interposition of the internal locking mechanism present on the piston head without any assembly effort.
  • the dispenser for pasty masses shown in FIG. 1 has a housing (1) in which a piston (30) is arranged, which can only be moved in the emptying direction and supported in the opposite direction by a locking mechanism (31) against the inner wall (2) of the housing (1) is.
  • the latter has elastic sealing lips (34) that seal in both directions on its outer circumference in the usual way.
  • the dispenser has a head part (3) which can be pressed together or depressed by a stroke of a pushbutton (4), the pushbutton (4) being arranged laterally next to the head part (3) and pressing the pushbutton (4) openable or closable, in the middle arranged shut-off valve (5).
  • the head part (3) can be covered by a cap (23) which can be assigned to the dispenser.
  • the valve (5) and the piston (30) are coupled by a pull rod (25) which axially penetrates the housing (1), interacting with each other in a special manner with each stroke of the pushbutton (4).
  • This interaction is achieved according to the invention in that the pull rod (25) is held by a holder (26) in the form of a perforated radial disk in a guide cylinder (6) of the valve body (7) with little axial clearance and with its, the piston ( 30) facing end part (28) with the interposition of a locking mechanism (32) present on the piston crown (33) is non-positively coupled to the piston (30).
  • the housing cover (18) is pressed down and displaces a predetermined portion of the filling compound in the direction of the closing valve (5).
  • the housing cover (18) is designed to be very elastic in the manner of a membrane with a relatively thin wall thickness, so that it yields under the pressure of the pushbutton (4) and practically performs a "pump stroke".
  • the valve mechanism is activated and the valve (5) opens by the head part (3) connected to the housing cover (18) with the funnel-shaped discharge (19) and the discharge tube (12) arranged thereon within the cap (11) of the Applicator (10), as can be seen from the enlarged representation of Figures 1a and 3, slides down in the direction of arrow (24) and thereby releases the valve plug (14) from its closed position in the valve opening (8) and releases it.
  • the housing (1) forms a neck (9) with a reduced diameter on the upper area, which receives the applicator (10), said neck having a cylindrical cap (11) which is provided with a valve opening (8) and can be opened downwards, in which a tube (12), which first extends upward from the head part (3) and forms part of the valve (5), slides axially displaceably and carries a valve plug (14) at its tip on star-shaped arms (13).
  • the tube (12) is designed with an annular, elastic sealing bead (50), as is better can be seen from Figure 3. This seal could alternatively be formed with a highly elastic sealing lip or with an O-ring.
  • the applicator (10) has a lateral opening (15) within which the pushbutton (4) is arranged, said pushbutton (4) being movably articulated on the gusset-like ribs (16) formed inside the applicator (10). Furthermore, the pushbutton (4) has on its outside a stop bead (17) designed as a stroke limiting element. This sits on the outer edge of the recess (15) and in this way limits the stroke. This prevents the housing cover (18) from being deformed too much and thus being overstretched or overstressed.
  • the pull rod (25) protrudes into the discharge (19) and is thus extended upwards over the holder (26). At the extended end it carries a centering plate (27). This has a valve function, by pressing the Housing cover (18) first reduced an annular gap with respect to the discharge (19) and then blocked, whereby the amount of filling material escaping during the working stroke of the key (4) is limited.
  • the centering plate (27) and the pull rod (25) are each designed as an independent molded part and the two parts can be joined together by plugging on. The assembly of both parts - as is common in the mass production of small parts - can then be carried out inexpensively using automatic assembly machines.
  • the dispenser has an advantageous embodiment in that the pull rod (25) is provided with a corrugation (29) in an area just below the neck (9) of the housing (1). If the piston (30) slides over this corrugation (29) shortly before the final emptying, a clicking noise is caused, which indicates that the dispenser is about to be emptied.
  • the very advantageous embodiment shown in Figure 1 also provides that the housing (1) with stand base (20), storage cylinder (21), neck (9), cover (18) and head part (3) consists in one piece of medium-hard thermoplastic material. This simplifies assembly, reduces the number of parts belonging to the dispenser assembly and enables very economical production in large quantities.
  • the more highly stressed elements of the dispenser such as the piston (30), applicator (10), pushbutton (4), assignable cap (23) and the pull rod (25), on the other hand, can consist of a comparatively hard thermoplastic material.
  • Figure 1a shows the top of the dispenser in an enlarged view, from which the assignments of the aforementioned elements can be seen better. All elements are provided with reference numerals corresponding to FIG. 1.
  • FIG. 2 shows the dispenser in a side view, from which the shape of the applicator (10), which can be recognized, for example, by a transparent cap, can be seen.
  • valve plug (14) which tapers conically at both ends, is suitable for achieving a hermetic seal of the valve opening (8) with a low axial sealing force.
  • the valve plug (14) is moved downward and releases the valve opening (8).
  • the valve arrangement is uncomplicated, expedient and suitable for inexpensive manufacture.
  • FIG 4 shows a slightly different embodiment of the dispenser.
  • the housing (1) is open at the top and forms an annular groove (35) with an inward diameter and open at the top and a collar (36) with a clip groove (37) on the outside.
  • the head part (3) has a dome-shaped attachment (38) which can be inserted into the annular groove (35) and has a flange (39) which overlaps the annular groove (35) and which is separated from an inner flange (40) of the collar (36).
  • clip-on applicator (10) is held.
  • This version also shows a corrugation (29) on the piston rod (25).
  • the head part of the piston (30) is Dome-shaped in accordance with the dome-shaped design of the attachment (38) in a compatible design, whereby an almost complete emptying of the filling content of the dispenser is achieved.
  • the remaining elements of the head part (3) with the valve body (7) and further elements correspond to the design and arrangement according to FIG. 1.
  • Figure 5 shows a section of the plane (VV) in Fig. 4, the tie rod holder (26) in the form of a perforated disc within the guide cylinder (6), the arrangement of the push button (4) and the applicator (10) and also the housing with the open annular groove (35) only partially indicated for reasons of clarity.
  • Figure 6 shows a side view of a dispenser with the cap removed and a double push button (4 ', 4'') designed as a child safety device.
  • the element (4 '') in the part (4 ') is axially telescopically displaced against the pressure of a spring in the locked state, as shown in FIG. 6, and lies on the edge (47) of the opening (15) of the applicator (10). In this state, it is not possible to depress the actuation button (4 ', 4'') for the working stroke. For this purpose, the part (4 '') must be pushed telescopically into the part (4 ') against the pressure of a return spring in the direction of the arrow (48).
  • Figure 10 shows another version of the child lock.
  • the dispenser has a locking ring (46) on the housing (1). This is designed in cooperation with the push button (4) so that it only releases the push button (4) in a certain position and recognizable by markings (44) if they match.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Automatic Assembly (AREA)
  • Lift Valve (AREA)
  • Closures For Containers (AREA)

Claims (12)

  1. Distributeur de masses pâteuses, comprenant :
    • un boîtier (1) dans lequel est logé un piston (30) mobile seulement dans le sens de vidange, tandis que dans le sens opposé il est en appui, par l'intermédiaire d'un cliquetage (31), sur la paroi interne (2) de boîtier (1),
    • une pièce de tête (3) ainsi qu'un bouton-poussoir (4) permettant de chasser une portion (45) de la masse, pour la distribuer, la tête étant équipée, en son milieu, d'une soupape de fermeture (5) qui peut s'ouvrir ou se fermer lorsqu'on actionné le bouton-poussoir,
    • une tige de traction (25), traversant axialement le boîtier (1) et accouplant la soupape (5) et le piston (30) de manière à les faire coopérer à chaque course du bouton-poussoir (4)
       caractérisé en ce que
    • le bouton-poussoir (4) est placé sur le côté de la tête (3), qui, à chaque course de ce bouton, est comprimée c'est-à-dire descend en même temps que lui,
    • la tige de traction (25) est équipée d'un organe de maintien (26) ayant la forme d'un disque percé radialement maintenant la tige à l'intérieur d'un cylindre de guidage (6) du corps de soupape (7), avec un faible jeu axial,
    • à son extrémité (28), tournée vers le piston (30), la tige de traction (25) est accouplée à celui-ci, avec entraînement par la force, par l'intermédiaire d'un encliquetage (32) monté sur le fond (33) du piston opérationnel dans le sens contraire à celui de l'encliquetage (31) agissant le long de la paroi interne (2) du boîtier.
  2. Distributeur selon la revendication 1,
    caractérisé en ce que
    le boîtier (1), le long de son bord supérieur, présente un col (9) de plus petit diamètre, sur lequel est monté un applicateur (10) surmonté d'un capot (11) en forme de cylindre ouvert vers le bas, percé d'un orifice de soupape (8) et à l'intérieur duquel un petit tube (12) partant de la tête (3) vers le haut et constituant une partie de la soupape (5), coulisse télescopiquement avec étanchéité assurée par un joint annulaire (50), le petit tube portant à sa pointe, sur des bras (13) en étoile, un bouchon de soupape (14).
  3. Distributeur selon la revendication 1 ou 2,
    caractérisé en ce que
    l'applicateur (10) présente une ouverture latérale (15) dans laquelle est monté le bouton-poussoir (4) qui est articulé sur des nervures (16) formant gousset, situées à l'intérieur de l'applicateur, à l'opposé de l'ouverture (15).
  4. Distributeur selon une ou plusieurs des revendications 1 à 3
    caractérisé en ce que
    le bouton-poussoir (4), sur son côté extérieur, porte un bossage de butée (17) jouant le rôle d'organe limiteur de course.
  5. Distributeur selon une ou plusieurs des revendications 1 à 4,
    caractérisé en ce que
    la tête (3) comprend un couvercle plat de boîtier (18) surmonté d'un cylindre de guidage (6) suivi par un chapeau (19) en forme d'entonnoir se rétrécissant vers le haut pour se terminer par un petit tube de soupape (12).
  6. Distributeur selon une ou plusieurs des revendications 1 à 5,
    caractérisé en ce que
    la tige de traction (25) pénétrant dans le chapeau (19) se prolonge au-dessus de l'organe de maintien (26) par une extrémité portant une plaque de centrage (27), emmanchée de préférence.
  7. Distributeur selon une ou plusieurs des revendications 1 à 6,
    caractérisé en ce que
    la tige de traction (25) présente, dans une zone située en dessous du col (9) du boîtier (1), des stries (29).
  8. Distributeur selon une ou plusieurs des revendications 1 à 7,
    caractérisé en ce que
    le boîtier (1), avec son socle (20), son cylindre-réservoir (21), son col (9), son couvercle (18) et sa tête (3) est une seule pièce d'un matériau thermoplastique de dureté moyenne.
  9. Distributeur selon une ou plusieurs des revendications 1 à 8,
    caractérisé en ce que
    le piston (30), l'applicateur (10), le bouton-poussoir (4), un capot (23) associé ainsi que la tige de traction (25) sont des pièces faites d'un matériau thermoplastique relativement dur.
  10. Distributeur selon une ou plusieurs des revendications 1 à 9,
    caractérisé en ce que
    le boîtier (1) est ouvert en haut et à cet endroit présente une gorge annulaire (35) ouverte vers le haut et reculée vers l'intérieur, ainsi qu'à l'extérieur un collet (36) portant une rainure de clipsage (37), tandis que la tête (3) comporte un chapeau (38) bombé en coupole qui peut être emmanchée dans la gorge annulaire (35) que vient coiffer une bride (39) qui fait partie du chapeau (38) et qui est maintenue par une bride interne (40) de l'applicateur (10) clipsé sur le collet (36) (figure 4).
  11. Distributeur selon une ou plusieurs des revendications 1 à 10,
    caractérisé en ce qu'
    il comporte une sécurité vis-à-vis des enfants, à savoir que le bouton-poussoir (4') est en deux parties dont l'une est un bouton d'arrêt (4'') débrayable télescopiquement contre l'action d'une force de rappel, ce bouton étant déverrouillé par pression axiale exercée contre la force de rappel d'un ressort, avant enfoncement du bouton-poussoir (4').
  12. Distributeur selon une ou plusieurs des revendications 1 à 11,
    caractérisé en ce que
    la sécurité vis-à-vis des enfants comporte une bague d'arrêt (46) qui, dans une position préférentielle, libère le bouton-poussoir (4) en vue de son enfoncement.
EP95110328A 1994-07-06 1995-07-03 Distributeur pour masses pâteuses Expired - Lifetime EP0691284B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4423608A DE4423608C2 (de) 1994-07-06 1994-07-06 Spender für pastöse Massen
DE4423608 1994-07-06

Publications (3)

Publication Number Publication Date
EP0691284A2 EP0691284A2 (fr) 1996-01-10
EP0691284A3 EP0691284A3 (fr) 1996-05-29
EP0691284B1 true EP0691284B1 (fr) 1997-09-17

Family

ID=6522333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95110328A Expired - Lifetime EP0691284B1 (fr) 1994-07-06 1995-07-03 Distributeur pour masses pâteuses

Country Status (6)

Country Link
US (1) US5788123A (fr)
EP (1) EP0691284B1 (fr)
JP (1) JP3545845B2 (fr)
AT (1) ATE158253T1 (fr)
DE (2) DE4423608C2 (fr)
ES (1) ES2109755T3 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6767151B1 (en) * 2003-04-22 2004-07-27 Richard L. Owens Dispenser/spreader article for spackling and paste
US8595194B2 (en) * 2009-09-15 2013-11-26 At&T Intellectual Property I, L.P. Forward decay temporal data analysis
CN101700209B (zh) * 2009-10-27 2013-07-10 北京欧迈世纪科技有限公司 药品食品贮发瓶
KR200461424Y1 (ko) * 2010-02-12 2012-07-11 주식회사 에프에스코리아 에어리스펌프를 갖는 콤팩트 용기
WO2012068092A2 (fr) 2010-11-15 2012-05-24 Milwaukee Electric Tool Corporation Outil de distribution motorisé
WO2012067801A1 (fr) 2010-11-15 2012-05-24 Milwaukee Electric Tool Corporation Outil de distribution motorisé
US8857672B2 (en) 2011-06-20 2014-10-14 Milwaukee Electric Tool Corporation Carriage assembly for dispensing tool
US9039557B2 (en) 2011-09-02 2015-05-26 Milwaukee Electric Tool Corporation Powered dispensing tool
US10413930B2 (en) 2013-07-18 2019-09-17 Lisa Marie Evans System and method for application of a surface compound
US9272305B2 (en) 2013-07-18 2016-03-01 Lisa Marie Evans System and method for application of a surface compound
FR3081113B1 (fr) * 2018-05-18 2020-05-29 Albea Le Treport Piston pour reservoir d'un distributeur d'un produit fluide sans reprise d'air

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3045048C2 (de) * 1980-11-29 1986-04-17 Bramlage Gmbh, 2842 Lohne Spender für pastöse Massen
DE8307898U1 (de) * 1983-03-18 1984-07-12 Wella Ag, 6100 Darmstadt Zylindrischer Behaelter fuer pastoeses Fuellgut
DE3526804A1 (de) * 1985-07-26 1987-01-29 Bramlage Gmbh Spender fuer pastoese massen
DE3708713A1 (de) * 1987-03-18 1988-09-29 Bramlage Gmbh Spender fuer pastoese massen
US4836415A (en) * 1987-11-02 1989-06-06 Grussmark Stephen M Dental timer
US4838461A (en) * 1988-04-14 1989-06-13 Owens-Illinois Closure Inc. Dispensing package for a viscous product
CA2020223C (fr) * 1989-07-19 1996-02-27 Shinya Kobayashi Bouchon pour aerosols
US5052592A (en) * 1989-08-14 1991-10-01 Bramlage Gesellschaft Mit Beschrankter Haftung Dispenser for paste compositions
US5044523A (en) * 1990-02-28 1991-09-03 Photofinish Cosmetics Inc. Method and apparatus for dispensing of volatile fluids

Also Published As

Publication number Publication date
EP0691284A3 (fr) 1996-05-29
DE59500672D1 (de) 1997-10-23
EP0691284A2 (fr) 1996-01-10
DE4423608C2 (de) 1996-07-04
JPH08169479A (ja) 1996-07-02
JP3545845B2 (ja) 2004-07-21
ATE158253T1 (de) 1997-10-15
DE4423608A1 (de) 1996-02-08
ES2109755T3 (es) 1998-01-16
US5788123A (en) 1998-08-04

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