EP0337847A2 - Fermeture de décharge - Google Patents

Fermeture de décharge Download PDF

Info

Publication number
EP0337847A2
EP0337847A2 EP89400895A EP89400895A EP0337847A2 EP 0337847 A2 EP0337847 A2 EP 0337847A2 EP 89400895 A EP89400895 A EP 89400895A EP 89400895 A EP89400895 A EP 89400895A EP 0337847 A2 EP0337847 A2 EP 0337847A2
Authority
EP
European Patent Office
Prior art keywords
tube end
cap assembly
end portion
cap
dispensing closure
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
EP89400895A
Other languages
German (de)
English (en)
Other versions
EP0337847B1 (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 tube closure device for dispensing products contained within the tube. More particularly, this invention relates to a dispensing closure device which has a recessed upper surface allowing the tube to be stored in an upright position on top of the closure member.
  • 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 therebetween.
  • 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 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.
  • 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)
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 1988-04-13

Publications (3)

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

Cited By (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

Cited By (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

Also Published As

Publication number Publication date
DE68909474T2 (de) 1994-02-03
DE68909474D1 (de) 1993-11-04
EP0337847B1 (fr) 1993-09-29
ATE95135T1 (de) 1993-10-15
ES2044159T3 (es) 1994-01-01
CA1319649C (fr) 1993-06-29
EP0337847A3 (en) 1990-07-18

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