EP0337847B1 - Fermeture de décharge - Google Patents

Fermeture de décharge Download PDF

Info

Publication number
EP0337847B1
EP0337847B1 EP89400895A EP89400895A EP0337847B1 EP 0337847 B1 EP0337847 B1 EP 0337847B1 EP 89400895 A EP89400895 A EP 89400895A EP 89400895 A EP89400895 A EP 89400895A EP 0337847 B1 EP0337847 B1 EP 0337847B1
Authority
EP
European Patent Office
Prior art keywords
cap
tube end
end portion
tube
sleeve
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
EP89400895A
Other languages
German (de)
English (en)
Other versions
EP0337847A2 (fr
EP0337847A3 (en
Inventor
William B. Kenyon, Jr.
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.)
McCormick and Co Inc
Original Assignee
McCormick and Co Inc
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 McCormick and Co Inc filed Critical McCormick and Co Inc
Priority to AT89400895T priority Critical patent/ATE95135T1/de
Publication of EP0337847A2 publication Critical patent/EP0337847A2/fr
Publication of EP0337847A3 publication Critical patent/EP0337847A3/en
Application granted granted Critical
Publication of EP0337847B1 publication Critical patent/EP0337847B1/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
    • 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
    • B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/241—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element
    • B65D47/242—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element moving helically

Definitions

  • This invention relates to a dispensing device for dispensing a tubed product of the kind defined by the preamble of claim 1.
  • a device of this kind is shown by US-A-3 175 741 to Porter , which discloses a cap having a base portion with an overcap portion threadedly engaged thereto.
  • the overcap portion includes a lug which is adapted to bypass a stop member located within the base portion which is yieldable in the direction the overcap portion is rotated to threadedly engage the overcap portion on the base.
  • the stop member is constructed to engage with the lug for preventing the removal of the overcap portion when the overcap portion is rotated in the opposite direction for dispensing purposes.
  • Said lug is located on the innermost wall of the cap and requires the provision of two stops which are located in a relatively deep well of the tube end portion which is difficult and time consuming to manufacture accurately.
  • the closure generally comprises a two-piece cap system.
  • a first inner cap portion which includes a valve body and an outer threaded portion
  • a second outer cap portion which includes an inner threaded portion, to engage the outer thread portion of the inner cap, and a valve stem engaging hole.
  • the outer portion of the two-piece cap system threads over the inner portion, and by twisting the outer portion relative to the inner portion, the valve is thereby opened and closed. The twisting results in relative displacement between the outer and inner portions along the valve stem, thereby dislodging the valve stem from the hole in the outer cap member.
  • the present invention proposes a two-piece dispensing closure which has a recessed top surface on the outer cap assembly. This recessed upper surface allows the closure and the attached tube to be stored in an upright position with the tube arranged on top of the closure device.
  • the viscous tubed product is drawn by gravity to the end of the tube nearest the closure so that the product is readily dispensed immediately upon opening of the closure.
  • storage in an upright position allows the product to be drawn completely from the tube so as to permit dispensing in a normal manner.
  • the present invention also proposes a particular interrelationship between the threads of the respective cap and tube end. This relationship allows for maximum axial displacement between the cap and tube for minimal associated rotational displacement therebeween.
  • a dispensing device for dispensing a tubed product of the kind preliminarly defined, is characterized in that said tube end portion further includes a shoulder and a side wall extending axially from said shoulder with side wall of said tube end portion having an axial dimension less than that of said double threaded sleeve, said side wall of said tube end portion having at least one first stop block means disposed thereon and said side wall of said cap having at least one second stop block means formed thereon for cooperation with said first stop block means, the two stop blocks means limiting the twisting of said cap relative to said tube end portion between said closed to said most open position for the dispensing device, said shoulder of said tube end portion cooperating with said edge portion of said side wall of said cap to limit twisting of said cap relative to said tube end portion from said most open to said closed portion to maintain said thread of said first interior sleeve in contact with said double threaded sleeve of said tube end portion for all positions of said cap and tube end portion, the dispensing device being
  • the invention provides a stop block means on the side wall of the tube end portion and a second stop block means on the side wall of the cap which cooperates with the first stop block means to limit twisting of the cap between the closed to the open position.
  • the shoulder of the tube end portion cooperates with the edge portion of the side wall to limit twisting of the cap towards the closed position to prevent the user from destroying the threaded interconnection and seals of the cap with the tube end.
  • a closure assembly according to the present invention is made up of two major portions, a tube end portion, and a cap assembly.
  • the cap assembly and tube end portion interrelate to form a two-piece dispensing closure assembly.
  • the cap assembly is formed with an end wall that is concave to a degree sufficient to provide clearance for the protruding valve stem and exterior valve body.
  • a dispensing closure allows disposition of the closure and attached tube in an upright position wherein the viscous tubed product is arranged on top of and is drawn towards the closure assembly.
  • Another object of this invention is to provide a dispensing closure wherein the amount of relative rotational displacement between the cap and tube and member is comparatively small for the corresponding degree of opening between the cap and tube end member.
  • FIGURE 1 is a side view of a tube equipped with a dispensing closure according to the present invention.
  • FIGURE 2 is an end view of a tube equipped with a dispensing closure according to the present invention, shown in a closed position.
  • FIGURE 3 is an end view of a tube equipped with a dispensing closure according to the present invention, shown in an open position.
  • FIGURE 4 is a side view of the dispensing closure shown in FIGURE 1, rotated 90°, and positioned in an upright position on a surface.
  • FIGURE 5 is a top sectional view of the closure shown along line 5-5 of FIGURE 7.
  • FIGURE 6 is a top sectional view of the closure shown along line 6-6 of FIGURE 8.
  • FIGURE 7 is a cross-sectional view of a dispensing closure according to the present invention, along section 7-7 of FIGURE 4, and shown in a closed position.
  • FIGURE 8 is a cross-sectional view of a dispensing closure according to the present invention, along section 8-8 of FIGURE 3, and shown in an open position.
  • FIGURE 9 is a partial-sectional view of a dispensing closure according to the present invention rotated 180° from the section of FIGURE 7, showing the closure in the closed position.
  • FIGURE 10 is a partial section of a dispensing closure according to the present invention.
  • FIGURE 11 is a section of a closure cap according to the present invention.
  • FIGURE 12 is a side view of a tube end according to the present invention with the cap removed.
  • FIGURE 13 is a side view of a tube end according to the present invention with the cap removed.
  • FIGURE 1 illustrates the physical arrangement of a tubed product equipped with a dispensing closure according to the present invention.
  • the combination tube and closure 1 comprises a closure assembly 2 located at one end of tube 4.
  • FIGURES 2 and 3 illustrate end views of the closure and tube assembly in closed and open positions, respectively.
  • FIGURE 4 illustrates the preferred method of storage of the tube and closure combination 1.
  • the tubed product may be stored in an upright position on surface B wherein the closure assembly 2 provides stable support for tube 4.
  • the closure assembly comprises the following major portions: a cap assembly 20 and a tube end portion 50.
  • the cap assembly 20 and tube end portion 50 interact to form a two-piece dispensing closure assembly.
  • Cap assembly 20 is made up of cap top portion 30 and side portion 24.
  • Top portion 30 is characterized by an inwardly concave upper surface 32.
  • Located on surface 32 is an upstanding exterior valve body 34.
  • Valve body 34 interacts with valve stem 76 to seal and unseal the closure member.
  • Top portion 30 also has two downwardly depending sleeves 39 and 31 located on its underside.
  • Inner cap sleeve 39 in combination with the bottom surface of the inwardly concave surface 32 form the upper limits of cap chamber A.
  • Inner cap sleeve 39 sealingly engages, in all relative positions of the cap and tube end portion, upstanding sleeve member 60 of the tube end portion 50. This sealing engagement between sleeves 39 and 60 prevents any product from escaping from the tube except when desired through exterior valve body 34 when the closure assembly is in the fully open position.
  • the second sleeve which depends from the cap top portion 30 is outer cap sleeve 31.
  • the inner surface of the outer cap sleeve 31 has a threaded portion 35 which engages the threaded portion 62 of upstanding sleeve member 60.
  • the interrelated threads provide relative axial displacement between the cap and tube end portion when the cap is twisted.
  • Side portion 24 has a peripheral notch 25 included along its lower most portion. Notch 25 engages stop block 54 located on a peripheral portion of tube end portion 50 when the fully open position of the closure is achieved. In this manner, sturdy blocking members of the cap and tube end portion engage to prevent overloosening of the cap from the tube end portion and thus preserve the shape of the cap and tube end portion in undistorted form.
  • Cap upper portion 30 is connected to the cap side wall 24 at rim 38.
  • the concave upper surface 32 of cap top portion 30 dips sufficiently to allow cap rim 38 to protrude beyond valve stem 76 and upstanding exterior valve body 34 so as to allow clearance between a supporting surface B and the protruding valve members.
  • Tube end portion 50 is made up of tube end side walls 40, end wall 52, upstanding sleeve member 60 and valve stem 70.
  • End wall 52 has upstanding sleeve member 60 connected thereto.
  • Sleeve member 60 interacts with the two downwardly depending sleeves 39 and 31 of cap top portion 30.
  • the threaded portion 35 of the outer cap sleeve 31 engages the threaded portion 62 of upstanding sleeve 60.
  • the respective threaded portion 62 and threaded portion 35 cooperate such that twisting of cap assembly 20 relative to tube end portion 50 results in displacement of the cap assembly either away from or towards the tube end portion for a given relative rotation of the cap and tube end portions.
  • the tube incorporates two threads 62 that start 180 degrees apart.
  • the pitch on both threads is .250.
  • the thread profile on both the cap and tube is that of a standard .125 pitch, 24mm thread. With the threads starting 180 degrees apart, the spacing between them, when they are parallel to one another, is the same as it would be if they were designed for a standard .125 pitch tube/cap engagement.
  • This condition on the tube contains the thread on the cap and guides it through the raising and lowering of the cap.
  • the tube and cap assembly of the present invention therefore benefits not only from the quick rise/fall of the .250 pitch thread, but also maintains control of the cap through the thread engagement.
  • the .250 pitch thread on both the cap and tube allow an operator to "raise" the cap's exterior valve body (34) off the tube valve stem (76) the required amount with only one-quarter to one-third of a revolution of the cap.
  • End wall 52 includes a passage containing surface 55.
  • Passage containing surface 55 has located therein passages 56 which allow movement of the product through chamber A and past the valve assembly.
  • Passage containing surface 55 supports valve stem 76.
  • Valve stem 76 comprises a main body portion 72, tapered sealing surfaces 74, and a valve stem tip portion. The valve stem 76, and passage containing surface 55 are molded as integral parts of tube end portion 50.
  • tapered sealing surfaces 74, of valve stem 76 interact with the inner surfaces of the cap valve body 34 to stop the movement of product through cap chamber A.
  • surfaces 74 and 34 are no longer in contact and thus tubed product may pass through chamber A and past the open valve.
  • FIGURE 4 illustrates the closure assembly oriented in an upright position on surface B.
  • cap rim 38 protrudes sufficiently to provide clearance between surface B and valve stem 76 and upstanding exterior valve body 34. In this manner, a tube equipped with a dispensing closure according to the present invention is easily stored in a nonuse upright position for ready and complete dispensing of the contained product.
  • the closure assembly 2 may be injection molded from any suitable plastic molding material.
  • the separate cap assembly and tube end portion, which together make up the closure assembly are each constructed as single integrally molded plastic pieces.

Landscapes

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

Claims (4)

  1. Dispositif distributeur pour la distribution d'un produit en tube, comprenant un capuchon (20) ayant une forme en coupelle avec une paroi d'extrémité concave (32) et une paroi latérale (24) située de manière périphérique d'un seul tenant, ladite paroi d'extrémité concave (32) comportant un élément de clapet extérieur (34) placé de manière centrale, ledit capuchon (20) ayant également un premier manchon intérieur (31), avec un seul filet continu (35) situé sur une surface intérieure de celui-ci, partant de ladite paroi d'extrémité concave et un second manchon (39) situé à l'intérieur dudit premier manchon intérieur (31), ledit second manchon (39) ayant une dimension axiale plus petite que celle dudit premier manchon (31) ; et
       une partie d'extrémité de tube (50) ayant une paroi d'extrémité (52) comportant des passages (56) et une enveloppe (60) à deux filets en saillie vers l'extérieur formée d'un seul tenant avec elle, ladite enveloppe (60) à deux filets comprenant un élément tubulaire comportant une surface cylindrique interne ayant une étendue axiale sélectionnée, ladite paroi d'extrémité de tube ayant aussi une tige de clapet conique (76), située de manière centrale en saillie et s'étendant à partir d'elle, ledit second manchon (39) dudit capuchon comprenant une partie de surface tubulaire, ladite partie de surface tubulaire étant dimensionnée de manière à venir en contact étanche avec ladite surface cylindrique interne de ladite enveloppe (60) à deux filets de ladite partie d'extrémité de tube sur une partie sensible de ladite étendue axiale sélectionnée pour toutes les positions dudit capuchon par rapport à ladite partie d'extrémité de tube, ladite partie d'extrémité de tube (50) étant dimensionnée de manière à s'adapter télescopiquement dans le capuchon (20), ledit filet (35) du manchon intérieur de capuchon et ladite partie d'enveloppe (60) à deux filets en saillie de la partie d'extrémité de tube coopérant de manière à assurer un déplacement axial relatif entre ledit capuchon (20) et ladite partie d'extrémité de tube (50) lorsque ledit capuchon est tourné par rapport à ladite partie d'extrémité de tube, ladite tige de clapet (76) et ledit élément de clapet (34) coopérant pour obturer et dégager ladite fermeture distributrice lors d'un déplacement axial entre eux, les limites respectives du déplacement axial étant la position fermée et la position de pleine ouverture de la fermeture distributrice, ladite paroi d'extrémité concave (32) dudit capuchon étant suffisamment concave pour qu'un bord périphérique (38) dudit capuchon s'étende axialement au-delà dudit élément de clapet extérieur (34), caractérisé en ce que ladite partie d'extrémité de tube (50) comprend en outre un épaulement (41) et une paroi latérale (40) qui s'étend axialement à partir dudit épaulement, la paroi latérale de ladite partie d'extrémité de tube ayant une dimension axiale inférieure à celle de ladite enveloppe à deux filets, ladite paroi latérale (40) de ladite partie d'extrémité de tube ayant au moins un premier moyen de butée (54) disposé sur elle et ladite paroi latérale dudit capuchon ayant au moins un second moyen de butée (25) formé sur elle pour coopérer avec ledit premier moyen de butée, les deux moyens de butée (54, 25) limitant la rotation dudit capuchon par rapport à ladite partie d'extrémité de tube entre lesdites positions fermée et de pleine ouverture pour le dispositif distributeur, ledit épaulement (41) de ladite partie d'extrémité de tube coopérant avec ladite partie de bord de ladite paroi latérale (24) dudit capuchon pour limiter la rotation dudit capuchon par rapport à ladite partie d'extrémité de tube depuis ladite position de pleine ouverture jusqu'à ladite position fermée pour maintenir ledit filet (35) dudit premier manchon intérieur (31) en contact avec ladite enveloppe (62) à deux filets de ladite partie d'extrémité de tube pour toutes les positions dudit capuchon et de ladite partie d'extrémité de tube, le dispositif distributeur étant propre à être stocké sur ladite paroi d'extrémité dudit capuchon de telle manière que le produit contenu dans le tube soit attiré par gravité en direction de ladite paroi d'extrémité dudit tube lorsqu'il est ainsi stocké.
  2. Fermeture distributrice selon la revendication 1, dans laquelle ladite partie d'extrémité de tube (50), ladite paroi d'extrémité de tube (52) l'enveloppe en saillie (60) et la tige de clapet (76) constituent une seule pièce moulée d'un seul tenant.
  3. Fermeture distributrice selon la revendication 1 ou la revendication 2, dans laquelle ledit second moyen de butée (25) est un cran périphérique orienté vers l'intérieur et situé sur la paroi latérale périphérique (24) dudit ensemble capuchon (20).
  4. Fermeture distributrice selon l'une quelconque des revendications 1 à 3, dans laquelle ledit ensemble capuchon (20) est moulé par injection et ladite partie d'extrémité de tube (50) est faite de matière plastique moulée par compression.
EP89400895A 1988-04-13 1989-03-31 Fermeture de décharge Expired - Lifetime EP0337847B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89400895T ATE95135T1 (de) 1988-04-13 1989-03-31 Ausgabeverschluss.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18107088A 1988-04-13 1988-04-13
US181070 1998-10-27

Publications (3)

Publication Number Publication Date
EP0337847A2 EP0337847A2 (fr) 1989-10-18
EP0337847A3 EP0337847A3 (en) 1990-07-18
EP0337847B1 true EP0337847B1 (fr) 1993-09-29

Family

ID=22662788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89400895A Expired - Lifetime EP0337847B1 (fr) 1988-04-13 1989-03-31 Fermeture de décharge

Country Status (5)

Country Link
EP (1) EP0337847B1 (fr)
AT (1) ATE95135T1 (fr)
CA (1) CA1319649C (fr)
DE (1) DE68909474T2 (fr)
ES (1) ES2044159T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0690008A3 (fr) * 1994-07-01 1997-02-26 Duering Ag Fermeture de bouteille à vis

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175741A (en) * 1964-03-12 1965-03-30 Product Design & Engineering I Closure and dispensing cap for the neck of a container
US3572559A (en) * 1968-02-16 1971-03-30 Morton B Stull Multiposition dispensing cap
ES378747A1 (es) * 1969-11-14 1972-06-16 American Can Co Nuevo sistema de cierre a presion para recipientes.
US4383623A (en) * 1981-03-17 1983-05-17 Ethyl Products Company Dispensing closure with stationary axial plug

Also Published As

Publication number Publication date
CA1319649C (fr) 1993-06-29
ATE95135T1 (de) 1993-10-15
EP0337847A2 (fr) 1989-10-18
DE68909474D1 (de) 1993-11-04
ES2044159T3 (es) 1994-01-01
DE68909474T2 (de) 1994-02-03
EP0337847A3 (en) 1990-07-18

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