EP0879768A1 - Verschlusskappe für Behälter - Google Patents

Verschlusskappe für Behälter Download PDF

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Publication number
EP0879768A1
EP0879768A1 EP98830303A EP98830303A EP0879768A1 EP 0879768 A1 EP0879768 A1 EP 0879768A1 EP 98830303 A EP98830303 A EP 98830303A EP 98830303 A EP98830303 A EP 98830303A EP 0879768 A1 EP0879768 A1 EP 0879768A1
Authority
EP
European Patent Office
Prior art keywords
tubular body
inner tubular
outer tubular
closure cap
thread
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.)
Withdrawn
Application number
EP98830303A
Other languages
English (en)
French (fr)
Inventor
Giacomo Turano
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.)
Prodotti Industriali Srl
Original Assignee
Prodotti Industriali Srl
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 Prodotti Industriali Srl filed Critical Prodotti Industriali Srl
Publication of EP0879768A1 publication Critical patent/EP0879768A1/de
Withdrawn legal-status Critical Current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

  • the present invention is related to closure caps for bottles and the like containing fluid substances, particularly hardenable bonding agents.
  • the invention is directed to a closure cap including an inner tubular body to be axially secured to the bottle mouth, in communication therewith, and having an outer thread and an end axial pin obturator, and an outer tubular body coaxial with the inner tubular body and having an inner thread engaged on said outer thread, and a terminal delivery nozzle with an outlet opening and along which said pin obturator is coaxially extending, and wherein the outer tubular body is rotatable relative to the inner tubular body between a screwed position, in which said outlet opening is plugged by the pin obturator, and an unscrewed position in which the outlet opening is unobstructed.
  • closure caps of the above mentioned type are known, for instance, from US-A-3216630 and US-A-4690304, as well as from EP-B-0412285.
  • the closure cap further includes sliding lateral sealing means provided between the inner tubular body and the outer tubular body to isolate the delivery nozzle from the outer and inner threads.
  • the inner tubular body is formed in proximity of the outer thread with an annular front sealing lip cooperating under closure contact with the outer tubular body, in proximity of said inner thread, in the screwed position of said outer tubular body.
  • the function of the lateral sealing means between the inner tubular body and the outer tubular body is to prevent both during as well as immediately after delivery, and in the rest condition (i.e. when the cap is closed) that the fluid substance contained within the bottle or the like may reach the threaded coupling between the inner tubular body and the outer tubular body.
  • the threaded coupling could be irreversibly locked thus preventing further opening of the cap.
  • the annular lip of the front seal contributes to the same function, isolating in the closed condition of the cap the threaded coupling from the adjacent annular space comprised between the outer tubular body and the inner tubular body, within which a certain amount of the fluid substance contained within the bottle might stagnate.
  • the object of the present invention is to further reduce any locking possibility of the threaded coupling of the cap in use, particularly improving safety thereof against the risk of leakage of the fluid substance contained within the bottle into the interspace comprised between the inner tubular body and the outer tubular body.
  • this object is achieved essentially by virtue or the fact that, in a closure cap for bottles and the like of the type set forth at the beginning, the inner tubular body is further provided with a second front annular sealing lip adjacent to that pin obturator and cooperating under closure contact with the outer tubular body in proximity of said terminal delivery nozzle, in the screwed condition of said outer tubular body.
  • the terminal delivery nozzle is provided with a radial annular base defining a bearing seat for said second front annular sealing lip.
  • the second front annular sealing lip may be conveniently arranged in immediate proximity of said sliding lateral sealing means.
  • reference F designates a bottle or like container for fluid substances, particularly for hardenable bonding agents, whose mouth is formed by an outerly threaded neck C.
  • a closure cap according to the invention, generally designated as 1, is applied on the neck C.
  • the cap 1 essentially comprises an inner tubular body 2 and an outer tubular body 3, both normally made of moulded plastic material.
  • the inner tubular body 2 has an attachment base 4 formed with an annular recess 5 having a shape complementary to that of the neck C of the bottle F and having an inner thread 6 screwed onto the outer thread of the neck C.
  • the base 4 is further provided at one end thereof with an annular appendage 7 formed with a circumferential tooth 8 for permanent anchoring thereof to the base of the neck C, and at the other end with a cylindrical projection 9 formed with an outer thread 10 and with a terminal front sealing lip 11.
  • the annular projection 9 is integrally and coaxially connected to a duct 12 projecting from the side opposite to the bottle F and whose free end carries an axial pin 13 constituting an obturator, the base of which is connected to the end of the duct 12 through a crown of radial ribs 14.
  • the free end of the duct 12 is further formed with a lateral annular sealing lip 15 and, according to the primary feature of the invention, with a front annular sealing lip 16, placed in immediate proximity to each other.
  • the outer tubular body 3 is provided at one end thereof with a base designed as a cylindrical bush 17 formed with an inner thread 18 screwed onto the outer thread 10 of the base 4 of the inner tubular body 2, and at the other end with a terminal delivery nozzle 19 formed by a cylindrical duct 20 followed by a frusto-conical duct 21.
  • the free end of the frusto-conical duct 21 defines an outlet opening 22.
  • the pin obturator 13 of the inner tubular body 2 is axially extending along the terminal delivery nozzle 19.
  • the bush 17 and the terminal delivery nozzle 19 are connected to each other through an intermediate cylindrical section 23 coaxial with the duct 12 and connected at one side to the bush 17 through a larger radial wall 24, and at the other side to the base of the duct 20 of the terminal delivery nozzle 19 through a smaller radial wall 25.
  • This radial wall 25 is facing towards the front sealing lip 16 of the duct 12, while the lateral sealing lip 15 of this duct 12 is placed in sliding contact with the inner wall of the intermediate cylindrical section 23.
  • Figure 1 shows the open condition of the cap 1 according to the invention: in this condition the outer tubular body 3 is unscrewed relative to the inner tubular body 2, so as to open the flow path between the interior of the bottle F and the outlet opening 22.
  • This flow path is evidently defined by the cavity of the base 4 and the duct 12 of the inner tubular body 2, and then by the terminal delivery nozzle 19: since the outer tubular body 3 is axially advanced with respect to the inner tubular body 2, the pin obturator 13 is spaced apart from the outlet opening 22, which is accordingly unobstructed.
  • the outer tubular body 3 At the end of delivery of the sustance, to perform closure of the cap 1 it is sufficient to fully screw the outer tubular body 3 relative to the inner tubular body 2. Owing to this action the outer tubular body 3 axially retracts, whereby the pin obturator 3 engages with its free end the outlet opening 22, so as to sealingly plug it. Simultaneously the first front sealing lip 11 closes against the larger radial wall 24, and the second front annular sealing lip 16 closes against the smaller radial wall 25. During displacement from the open condition to the closed condition of the cap, the lateral lip 15 sealingly slides against the wall of the intermediate cylindrical section 23.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP98830303A 1997-05-19 1998-05-19 Verschlusskappe für Behälter Withdrawn EP0879768A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO970419 1997-05-19
IT97TO000419A IT1292353B1 (it) 1997-05-19 1997-05-19 Cappuccio di chiusura per flaconi e simili.

Publications (1)

Publication Number Publication Date
EP0879768A1 true EP0879768A1 (de) 1998-11-25

Family

ID=11415712

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98830303A Withdrawn EP0879768A1 (de) 1997-05-19 1998-05-19 Verschlusskappe für Behälter

Country Status (2)

Country Link
EP (1) EP0879768A1 (de)
IT (1) IT1292353B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2453018A (en) * 2007-09-24 2009-03-25 Chemence Ltd Two-part closure cap for a container
WO2011016753A1 (ru) * 2009-08-07 2011-02-10 Дансмар Холдингс Лимитед Венчик горловины бутылки

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR814320A (fr) * 1935-11-12 1937-06-21 Fermeture pour tubes
FR1370761A (fr) * 1963-07-16 1964-08-28 Bordelaise De Matieres Plastiq Dispositif perfectionné de bouchage et de distribution dosée pour récipient
US3216630A (en) * 1963-03-08 1965-11-09 Stull Engraving Co Closure for containers
EP0412285A1 (de) * 1989-08-11 1991-02-13 S. KISLING & Cie AG Zweiteiliger Verschluss aus Kunststoff für einen eine fliessfähige Substanz enthaltenden Behälter
DE4328582A1 (de) * 1993-08-25 1995-03-02 Huber Verpackungen Gmbh & Co Verschluß für einen Flüssigkeitsbehälter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR814320A (fr) * 1935-11-12 1937-06-21 Fermeture pour tubes
US3216630A (en) * 1963-03-08 1965-11-09 Stull Engraving Co Closure for containers
FR1370761A (fr) * 1963-07-16 1964-08-28 Bordelaise De Matieres Plastiq Dispositif perfectionné de bouchage et de distribution dosée pour récipient
EP0412285A1 (de) * 1989-08-11 1991-02-13 S. KISLING & Cie AG Zweiteiliger Verschluss aus Kunststoff für einen eine fliessfähige Substanz enthaltenden Behälter
DE4328582A1 (de) * 1993-08-25 1995-03-02 Huber Verpackungen Gmbh & Co Verschluß für einen Flüssigkeitsbehälter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2453018A (en) * 2007-09-24 2009-03-25 Chemence Ltd Two-part closure cap for a container
WO2011016753A1 (ru) * 2009-08-07 2011-02-10 Дансмар Холдингс Лимитед Венчик горловины бутылки

Also Published As

Publication number Publication date
IT1292353B1 (it) 1999-01-29
ITTO970419A1 (it) 1998-11-19
ITTO970419A0 (de) 1997-05-19

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