EP0840698A2 - Organe de fermeture en matiere plastique produit par un procede de moulage par injection - Google Patents

Organe de fermeture en matiere plastique produit par un procede de moulage par injection

Info

Publication number
EP0840698A2
EP0840698A2 EP96928383A EP96928383A EP0840698A2 EP 0840698 A2 EP0840698 A2 EP 0840698A2 EP 96928383 A EP96928383 A EP 96928383A EP 96928383 A EP96928383 A EP 96928383A EP 0840698 A2 EP0840698 A2 EP 0840698A2
Authority
EP
European Patent Office
Prior art keywords
valve flap
closure
valve
closure member
valve seat
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
EP96928383A
Other languages
German (de)
English (en)
Inventor
Clemens Schumacher
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.)
Zeller Plastik Deutschland GmbH
Original Assignee
Zeller Plastik Koehn Graebner and Co
Zeller Plastik 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
Priority claimed from DE19603369A external-priority patent/DE19603369A1/de
Application filed by Zeller Plastik Koehn Graebner and Co, Zeller Plastik GmbH filed Critical Zeller Plastik Koehn Graebner and Co
Publication of EP0840698A2 publication Critical patent/EP0840698A2/fr
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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/42—Closures with filling and discharging, or with discharging, devices with pads or like contents-applying means
    • B65D47/44—Closures with filling and discharging, or with discharging, devices with pads or like contents-applying means combined with slits opening when container is deformed or when pad is pressed against surface to which contents are to be applied

Definitions

  • the invention relates to a closure member consisting of a valve flap and a valve seat and manufactured in a plastic injection molding process, with a line section, the valve flap, the valve seat and the line section being formed in one piece with one another, and furthermore the connected valve flap is formed in the area of the largest radius of movement for free support on the valve seat surface.
  • the range of the largest movement radius can extend to the connection of the valve flap that enables the folding movement.
  • the one-piece manufacture of the closure member, even with line sections going out on both sides, is generally difficult. Although almost all parameters regarding material selection, resilience, shrinkage adhesion etc. are largely taken into account, it is difficult to achieve to achieve the gap-free position of the valve flap, that is to say that the sprayed state of the valve flap in the closed position thereof corresponds to the exact valve seat desired. In addition, demolding is not without influence on the final one
  • Valve flap position since when the shaping slide is pulled, a vacuum situation occurs in the mutual environment of the valve flap. Depending on the selected sequence of core pulling, this leads to a gap-forming lifting of the valve flap from its valve seat or to a sucking in of the valve flap in the line section adjoining the valve seat surface. This can go as far as jamming clinging.
  • the object of the invention is to remedy this and to make a closure member produced by the plastic injection molding process more reliable.
  • Losing 15 valve seat surface is also effectively avoided that the valve flap gets stuck in the line section adjoining the valve seat. This is achieved with simple means in that the connection of the valve flap is deepened compared to the support on the valve seat in the area of the greatest movement radius.
  • the relevant line section itself forms an effective barrier. In other words: the arm length of the valve flap is greater than the clear hollow cross section of the line section.
  • valve flap can no longer immerse beyond the valve seat surface; a thought swiveling goes into the material. If, on the other hand, the shaping releases are to be carried out primarily in the opposite direction, the corresponding positional securing of the valve flap is left
  • valve flap 30 cause in a simple manner that the valve flap has on its side facing the valve seat a recess having an undercut.
  • the correspondingly designed end of the other slide can be inserted into this undercut like a mushroom head
  • valve flap has an essentially circular cross section and that the valve seat surface is formed in a plane which includes an acute angle with a central axis of the line section. Viewed perpendicularly to the valve seat surface, this leads to an elliptical edge contour of the line section with a naturally corresponding counter-contour of the periphery of the valve flap. It is also provided that the valve flap is molded onto the valve seat via two material bridges. This stabilizes the direction of folding, thus avoiding transverse displacement of the valve flap. In addition, a snap effect is excluded; the restoring force of the material can act unimpeded in the sense of the closure of the closure member.
  • the procedure is such that a connecting line of the material bridges with respect to the valve flap runs as a secant.
  • a double-armed valve flap with clearance is also created in the area of the periphery of the shorter arm.
  • the line section extends at both ends of the valve flap. The free line section acts to protect the flap.
  • the invention further relates to a method for producing a closure member in the plastic injection molding process, with a valve flap, a valve seat and a line section, the valve flap and the valve seat being made in one piece via a connecting material bridge be sprayed, further working on both sides of the valve flap with slides, it being advantageous according to the invention that a slide arranged on the valve seat side with the valve flap is more strongly arrested with the valve flap than the oppositely pressing slide and that withdrawal of the valve flap more strongly arrested slider is carried out by resting the valve flap on a stop surface. This can be the barrier preventing the valve flap from being immersed. On the other hand, it is advantageous if the stronger attachment is achieved by means of a clamp holder, that is to say in the sense of the undercut explained above.
  • valve flap takes place in such a way that there is essentially no movement of the valve flap, so that the sprayed state of the valve flap corresponds to the closed position and the "freezing" of the macromolecules essentially takes place in this closed position.
  • valve flap opens towards the interior of the closure member against a discharge direction of the medium predetermined on the closure member.
  • a valve flap which acts in this way can advantageously be used for rapid, reliable pressure compensation.
  • closure members are preferably used, for example, on spray dispensers if their liquid substance to be dispensed has a viscosity that leaves the liquid region to an even higher viscosity (eg oven cleaner), in which case the air balance via the outlet openings is otherwise too hesitant or would not set enough.
  • the invention also expediently relates to a closure member produced in the plastic injection molding process a domed cover, in which a plurality of outlet openings are formed, with an outlet direction, which outlet openings enclose an acute angle with a main direction of the closure member, it being advantageous according to the invention that when the closure cover is formed in one piece with a Closure wall, the outlet openings have a channel-like cross section which is practically constant over a substantial length. It is an outlet opening that has a jet-forming effect. Via the arched course of the sealing cover, the outlet openings can form a beam which widens outwards and is oriented practically towards a conical surface (like a watering can screen head).
  • An embodiment has the effect that the ejection openings are composed of two sections which are different in cross-section but essentially the same over the length, the smaller section being arranged on the outside. Accordingly, a kind of antechamber of larger volume is created on the inside, to which the spray nozzle of the other section, reduced in cross-section, expediently adjoins concentrically. De-molding can be done purely axially, despite the orientation-giving inclination of the channel-forming molded parts. The undercut areas that were briefly displaced are spontaneously and cleanly found, as was found. In addition, it is advantageous that a transition of the closure cover into the closure wall is of reduced thickness in relation to the thickness of the closure cover.
  • a mouth for extending the channel-like outlet openings is formed on the outside of the bend of the breech cover, while raising it above the outside of the breech cover.
  • the corresponding accumulation of material also leads to a stabilization of the surroundings of such channel-like outlet openings.
  • the invention further relates to a method for producing a closure member with a curved closure cover, in which a plurality of outlet openings are formed with an outlet direction, which outlet openings form an acute angle with a main direction of the closure member, it being advantageous according to the invention that the closure cover is turned inside out from an essentially concave shape in the injection position into an essentially convex shape in the position of use.
  • Axial removal from the mold is also possible here, but the desired inclination of the channel-like outlet openings now arises from the aforementioned inversion, so that a radiation cone can also be built up in the case of closure members produced in this way.
  • the position of use is stable due to an over-dead-center effect.
  • the opening wall is connected to the opening wall via a transition that is thinner in relation to the thickness of the closure blanket.
  • the closure cover is designed with such a thickness and elasticity that when turned inside out there is a curvature contour composed of a concave and a convex area. This also leads to a favorable jet formation without any other directional shaping effort.
  • FIG. 6 shows a half section through a closure element, realized on a spray head designed as an insert of a container with a resilient wall, forming a valve-controlled air compensation opening, as a third exemplary embodiment, 7 is a top view of this,
  • FIG. 10 shows a variant of the closure member according to FIG. 6,
  • FIG. 11 shows the closure member in individual representation with the projection surfaces drawn in (in the last instance corresponding approximately to FIG. 2)
  • the container 1 according to FIG. 1 which contains, for example, a textile cleaning agent, shoe cream or similar spreading agent, consists of plastic and can be compressed to dispense the corresponding treatment liquid.
  • a bristle-like spreading body 2 serves as a top end of this dispenser.
  • the corresponding bristle attachment 3 is assigned to the mouth 4 of the container 1.
  • the whole is covered by a screwable protective cap 5. The latter is connected to the neck 6 of the container taking into account the originality and child safety that is common today.
  • the neck 6 of the container 1 carries a pouring spout attachment 7. Also in this second exemplary embodiment there is a protective cap 5, which is, however, implemented as a hinged lid hinged peripherally.
  • Both protective caps 5 have a stopper 9 on the inside.
  • the plug closes tightly into a line section containing a closure member V, through which the treatment liquid is applied.
  • the functional part of the closure member V controlling this flow path is a check valve.
  • the closure member V consists of a valve flap 10 and a stationary valve seat 11.
  • the side of the valve seat 11 facing the valve flap 10 forms a valve seat surface 12.
  • valve flap 10 is integrally connected to the valve seat 11. This takes place in the plastic injection molding process.
  • the articulation of the joints is used Plastic material allowing valve flap 10 and also having a sufficient restoring force in the closing direction, such as PP, LDPE-PP.
  • the line section mentioned which is integral with the valve flap 10 and the valve seat 11, extends at least on the output side, but preferably on both sides of the closure member V, so that with vertical alignment a line section a is implemented at the top and a line section b below, the whole either in one piece with the bristle attachment 3 or the pouring spout attachment 7.
  • valve flap 10 is located in a larger cross-sectional area of the line section, so that, in addition to the corresponding injection molding requirement, there is also a sufficiently large swivel clearance for the valve flap 10. In this respect, it is also favorable that the valve flap 10 tapers significantly in the peripheral direction toward the outside. It is practically a conical plate.
  • connection A is made in such a way that the valve flap 10 is designed in the region of the largest movement radius R for free support on the valve seat surface 12. It is an essentially gap-free, sealing overlay.
  • the valve seat 11 is embodied on a perforated transverse wall of the line section a, b, the opening being the line section denoted by b.
  • the movement connection A of the valve flap 10 determines the movement radius.
  • Said connection A is arranged in a recessed manner relative to the region of the largest movement radius R (see FIG. 3).
  • the depth is indicated by T ben and corresponds to about half the length of the longer valve arm of the valve flap 10.
  • the corresponding hinge formation takes place, as can be seen from the overall exemplary embodiment shown, over two material bridges 13. These lie, designed in the manner of spherical segments and projecting somewhat into the lower line section b, between valve flap 10 and valve seat surface 12 of the valve seat 11. They (13) extend on a secant xx of the valve flap 10, which is circular in the left-hand projection surface of FIG. 2, and is circumferentially spaced from one another in a quarter circle.
  • a connecting line L of the material bridges 13 shown in FIGS. 2 and 5 illustrates the position of the secant xx.
  • the clearly eccentrically lying secant xx which at the same time defines the geometric folding axis, leads to a longer arm I, including the largest movement radius R, and to a significantly smaller arm II on the valve flap 10.
  • the valve flap 10 When the valve flap 10 is opened, its blade-like edge dips from the valve seat surface 12, which also sharpens at an acute angle, into the interior of the lower guide section b without hindrance.
  • the longer arm I it is not possible for the longer arm I to plunge further in the direction of the lower line section b via the zone of the valve seat surface 12 that falls towards it. This is prevented by a blocking wall zone 14 of the lower line section b.
  • the lower connection A mentioned is responsible for this.
  • the line section a / b has a substantially circular cross section (see FIGS. 2 and 5).
  • the valve seat surface 12 is formed in a plane EE, which forms an acute angle alpha with a central axis yy of the elongated line section a / b. closes (see Fig. 3).
  • the angle alpha is approximately 60 degrees.
  • a projection perpendicular to the valve seat surface 12 or the practically gap-free edge of the valve flap 10 has an elliptical outline (see FIGS. 2 and 5). This results in a greater length in the pivoting plane of the valve flap 10 than the clear diameter D of the lower line section b.
  • the plane corresponding to the folding plane is identical to the longer ellipse axis z-z of the valve flap 10 (see FIGS. 2 and 5).
  • the shorter elliptical axis z ', z' of the valve flap 10 corresponds to said diameter D.
  • valve flap 10 When the slide of the plastic injection device forming the underside of the valve flap 10, etc. is withdrawn, the vacuum situation which occurs here is not able to "slide" the valve flap 10 into the lower line section b, which is caused by the demolding. Rather, the valve flap 10 is optimally supported.
  • valve flap 10 has an undercut 15 on its side facing the valve seat 11.
  • the latter is located in a recess 16 in the central region of the cup flap body which is inclined in this way.
  • the circumferential undercut has a flank angle of approximately 3 degrees.
  • Undercut 15 plus recess 16 are the impression of the lower slide of the plastic spraying device which has a corresponding projection.
  • the valve flap 10 thus holds on to the lower, still standing slide when the upper slide moves upward.
  • the interlocking of the projection and the valve flap 10 can be removed by deliberately pulling off the lower slide, the support explained reaching through the wall zone 14.
  • the adjustment is such that the demolding of the valve flap 10 takes place in such a way that there is essentially no movement of the valve flap 10, so that • ac the spraying state of the valve flap 10 of the closure part * lung corresponds and the "freezing" of the macromolecules takes place essentially in this closed position.
  • the bristle attachment 3 is troughed.
  • the upper line section a connects at a central, deepest point.
  • the bristles 17 are surrounded by an annular wall 18. This extends approximately to half the bristle height and forms a pot which, for example in the tilt / use position, retains any excess treatment liquid. Resetting the collapsible wall of the container 1 has a closing effect on the valve flap 10 for a while.
  • the terms "above” and “below” refer to the dispenser in the standing position.
  • valve member V shows the valve flap 10 not in connection with a media outlet opening, but rather an air compensation opening LA.
  • the folding movement accordingly does not occur in the direction of discharge arrow 19, but in the direction of the container 1.
  • this is a so-called squeeze container with at least partially collapsible, resilient wall.
  • the medium is loaded via this so that, for example, it passes through a plurality of outlet openings 20, essentially in the direction of application arrow 19, in a spray bundle.
  • the latter are correspondingly beam-forming or -forming and in their clear cross-section they are considerably smaller than the line section bringing the air equalization, in FIG. 6 only realized as the upper line section a.
  • the problem of rapid air balancing which is frequently observed in spray dispensers, is removed, which is particularly evident when the liquid to be dispensed has a relatively high viscosity.
  • a practically sieve-forming distribution of cross-sectionally smaller outlet openings 20, which brings about a spray cone is useful in itself.
  • the medium is applied as a multi-jet spray cone.
  • the closure member V can also be extended in a tube-like manner with respect to its line section, beyond the valve seat surface 12, so that a lower line section b is also present here.
  • a lower line section b is also present here.
  • valve flap 10 opening towards the inside of the closure member V, the same design features as for the previous two exemplary embodiments apply.
  • the reference numbers are transferred accordingly, that is to say they can be read.
  • the closure member V is implemented as an insert 21. It sits in the opening of the neck 6 of the container 1.
  • the plug-in part is formed by an outer wall 22. This merges via an annular base 23 lying on the reservoir side into a free-standing closure wall 24 which is parallel to the space and runs concentrically to the outer wall 22.
  • the walls are circular.
  • the closure wall 24 carries a closure cover 25.
  • outlet openings 20 which form an oblique jet are realized.
  • E ⁇ is referred to Figure 7.
  • the outlet openings 20 are well distributed over two imaginary circles K 1 and K 2.
  • Kl is the inner circle. Its four outlet openings 20 lie on the bisector of the four outlet openings 20 of the outer circle K2. It is also possible to provide outlet openings 20 which go beyond the number mentioned.
  • All of the outlet openings 20 extend essentially by the shortest route between the outside and the inside of the arched closure ceiling 25.
  • a beam-forming effect is advantageous if the outlet openings 20 form a channel-like cross section that is practically constant over a substantial length. This can be done via appropriately inclined core pins which can be moved in the exit direction arrow 26. A more pronounced inclination of the outlet openings 20, on the other hand, leads to an even greater channel length thereof.
  • the outlet openings 20 are composed of two sections 20 ′ and 20 ′′ having different cross sections.
  • Shaping are an upper mold core 27 and a lower mold core 28.
  • the section 20 'with the smaller diameter faces the outside of the closure cover 25.
  • the upper mold core 27 follows the curvature of the comparison circuit 0 ceiling 25.
  • the Formkere 27.28 are axially moved in the opposite direction to each other to release the molding, specifically in the central axis yy. First the upper one is drawn; A certain solidification of the spraying mass already arises.
  • Beta includes an angle of approximately 25 degrees to the central axis yy, the appropriate axial alignment of the outer _ ⁇ Austritt ⁇ ö réelleen 20 is approximately 35 degrees.
  • the closure wall 24 continues beyond the spherically curved closure cover 25 as a free ring wall. In terms of height, it extends beyond the zenith and merges from there into a funnel-shaped lip 31. This is placed in such a way that it does not interfere with the jacket of the spray cone, which is determined by the outer outlet openings 20.
  • a spot-like application can be achieved by strongly approaching or even placing the lip 31 on the target location.
  • the fourth exemplary embodiment shows a similar insert 21, in which, however, the spray position according to FIG. 13 is different with regard to the course of the closure cover 25 than the finished use position of the closure member V shown in FIG. 12.
  • the closure member also produced here by injection molding, that is to say the entire insert 21 is produced in such a way that, starting from an essentially concave shape in the spray position, the closure cover 25 is turned inside out in an essentially convex shape in the position of use.
  • undivided core pins can be used, ie the core pin can extend continuously from the upper molded part 27 or the lower molded part 28, namely axially parallel to the central axis yy. Reference is made to FIG. 13. After the closing cover 25, which is then curved as shown in FIG.
  • FIG. 12 The degree of curvature in FIG. 12 is shown somewhat exaggerated for the sake of clarity of the inversion.
  • the valve formed in the center is not adversely affected during the inversion process. This applies both with regard to the valve flap 10 and the valve seat surface 12 or the valve seat 11 realized on the connection-like line section and the connection A.
  • there is a material-reduced, inner transition 35 between the inner region of the closure cover 25 and the connection-forming part Opening wall 36 of line section a is taken into account, again by an upper and lower annular groove 37 and 38 respectively.
  • FIG. 14 shows a variant of the peripheral connection zone of the transition 32 there.
  • FIG. 16 shows a possibility of simultaneously fitting the closure member V on an insert 21 with an air compensation opening LA and also providing a media outlet opening, here formed by the line section a / b explained in detail.
  • the valve flap 10 of the first-mentioned device opens inwards, thus in the direction of the container 1; the valve flap 10 of the other device opens outwards, that is to say in the direction of application arrow 19. Both parts are in the center of the relevant insert 21. In addition to a, no further outlet openings need to be arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Lift Valve (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

L'organe de fermeture décrit (V) est produit en matière plastique par un procédé de moulage par injection et comprend un clapet de soupape (10), un siège de soupape (11) et une section de conduit, tous solidaires. Le clapet attaché (10) s'appuie librement sur la surface (12) du siège de soupape dans la zone de son plus grand rayon de déplacement (R). Afin d'obtenir un organe de fermeture avec un fonctionnement fiable, la jonction (A) du clapet de soupape (10) se situe à un niveau inférieur par rapport à l'appui sur le siège de soupape (11) dans la zone du plus grand rayon de déplacement (R).
EP96928383A 1995-07-27 1996-07-26 Organe de fermeture en matiere plastique produit par un procede de moulage par injection Ceased EP0840698A2 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19527387 1995-07-27
DE19527387 1995-07-28
DE19603369A DE19603369A1 (de) 1995-07-28 1996-01-31 Im Kunststoffspritzverfahren hergestelltes Verschlußorgan
DE19603369 1996-01-31
PCT/EP1996/003310 WO1997005033A2 (fr) 1995-07-27 1996-07-26 Organe de fermeture en matiere plastique produit par un procede de moulage par injection

Publications (1)

Publication Number Publication Date
EP0840698A2 true EP0840698A2 (fr) 1998-05-13

Family

ID=26017169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96928383A Ceased EP0840698A2 (fr) 1995-07-27 1996-07-26 Organe de fermeture en matiere plastique produit par un procede de moulage par injection

Country Status (5)

Country Link
EP (1) EP0840698A2 (fr)
AU (1) AU6787596A (fr)
BR (1) BR9609722A (fr)
CA (1) CA2227603A1 (fr)
WO (1) WO1997005033A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6739781B2 (en) * 2002-04-22 2004-05-25 Seaquist Closures Foreign, Inc. Scrubbing structure
CN103796564A (zh) 2011-09-13 2014-05-14 雷克特本克斯尔荷兰有限公司 设备和利用该设备的方法
CN104224536B (zh) * 2013-06-10 2018-10-09 富士胶片株式会社 内塞及配有内塞的容器
JP2025521672A (ja) * 2022-06-28 2025-07-10 ランウェイ ブルー，エルエルシー 飲料容器のための密閉機構

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1355973A (en) * 1919-01-20 1920-10-19 Elyria Specialty Company Elastic sprinkler-cap
FR1035103A (fr) * 1951-04-05 1953-08-17 Emballage notamment pour produit liquide <<antimite>>
GB1042211A (en) * 1964-01-04 1966-09-14 Paton Co Ltd Calvert A sprinkling or pourer dispensing closure
JPS4886043U (fr) * 1972-01-18 1973-10-18
DE8400943U1 (de) * 1984-01-14 1984-03-01 Robert Finke KG, 5950 Finnentrop Ventil-Klappenverschluss
DE8705628U1 (de) * 1986-04-26 1987-08-27 Robert Finke KG, 5950 Finnentrop Aufsatz für Tuben, Flaschen od.dgl.
DE9405661U1 (de) * 1994-04-06 1994-06-01 Gottfried Schmalfuss Gmbh, 50169 Kerpen Abgabevorrichtung für Flaschen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9705033A3 *

Also Published As

Publication number Publication date
CA2227603A1 (fr) 1997-02-13
MX9800777A (es) 1998-10-31
WO1997005033A2 (fr) 1997-02-13
AU6787596A (en) 1997-02-26
BR9609722A (pt) 1999-03-16
WO1997005033A3 (fr) 1997-04-24

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