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US3282478A - Captive closure cap - Google Patents

Captive closure cap Download PDF

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Publication number
US3282478A
US3282478A US417059A US41705964A US3282478A US 3282478 A US3282478 A US 3282478A US 417059 A US417059 A US 417059A US 41705964 A US41705964 A US 41705964A US 3282478 A US3282478 A US 3282478A
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United States
Prior art keywords
nozzle
frusto
cover
aperture
conical
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Expired - Lifetime
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US417059A
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Russell John Keith
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Individual
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    • 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
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
    • B65D47/14—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means
    • B65D47/147—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means for snap-on caps
    • B65D47/148—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means for snap-on caps with internal parts
    • 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
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/18—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages for discharging drops; Droppers

Definitions

  • This invention relates to closures and more particularly to closures for containers adapted to contain, paste, glue, mucilage and other fluid materials which congeal and set to hardness on contact with air.
  • Captive cap closures i.e., those closures constituted by a nozzle communicating with the interior of the container, a cap to close off the opening of the nozzle, and a strap connecting the cap to the nozzle, are now well known.
  • these existing captive cap closures are generally not suitable for use on containers adapted to contain paste, glue, etc., since they generally could not effectively exclude air from the nozzle opening. In general, then some of the paste, glue, etc., would set in the nozzle opening when the cap was in place, and thus make further use of the glue difficult since the set glue would have to be removed first.
  • a prime feature of the present invention is the provision of a captive cap closure wherein there is enhanced sealing of the opening in the nozzle by the cap.
  • a captive cap closure comprising a nozzle including an aperture therein, a cover to close said aperture, and a strap integral with said nozzle and with said cover and interconnecting the two; said nozzle being of frustoconical shape and having a frusto-conical interior surface adjacent said aperture; and said cover being provided with an interior upstanding centrally located frusto-conical projection, adapted to enter said aperture to provide sealing contact between the exterior frusto-conical face of said projection and the interior frusto-conical face of said aperture.
  • an integral onepiece captive cap closure formed of deformable, resilient material comprising a nozzle including an aperture therein, a cover to close said aperture, and a strap integral with said nozzle and with said cover and interconnecting the two; said nozzle being of frusto-conical shape and having a frusto-conical interior surface adjacent said aperture, the exterior surface of said nozzle being provided with an annular rib near said aperture; and said cover being provided with an interior upstanding centrally located frusto-conical projection, adapted to enter said aperture to provide primary sealing contact between the exterior frusto-conical face of said projection and the interior frusto-conical face of said aperture, the interior surface of said cover being provided with an annular rib, adapted to be moved beyond the annular rib on said frusto-conical nozzle and thereby to provide a secondary sealing contact between said nozzle and said cover.
  • FIGURE 1 is a perspective view of the captive closure cap of this invention
  • FIGURE 2 is a horizontal cross-section of the cap shown in FIG. 1, and
  • FIGURE 3 is a horizontal cross-section showing the cover on the nozzle.
  • the cap consists generally of three parts, namely a nozzle 10, a cover 11 and a connecting strap 12.
  • the nozzle comprises a lower hollow cylindrical 3,282,478 Patented Nov. 1, 1966 portion 13 which is adapted to be inserted into the neck of a container (not shown).
  • Enhanced fitting between the cylindrical portion 13 and the neck of the container is provided by an annular rib 14. Since the cap is made of a resilient non-rigid plastic material, for example, polyethylene or nylon, the rib 14 is deformed and presses against the interior surface of the neck of the container. Limit of movement of the cylindrical portion 13 into the neck of the container is provided by an outwardly pro jecting ring 15.
  • a hollow frustoconical nozzle portion 16 Extending upwardly from the ring 15 is a hollow frustoconical nozzle portion 16 terminating in an aperture 17.
  • the interior surface of the nozzle portion 16 is also frusto-conical in shape.
  • the nozzle portion 16 is provided with an annular rib 18 near the aperture 17, whose purpose will be described hereinafter.
  • the cover 11 is provided in inverted frusto-conical shape, and includes a flat integral lid portion 19.
  • a solid integral frusto-conical extension 20 is provided upstanding from the interior of the lid portion 19 at the center thereof.
  • an internal annular rib 21 is provided on the interior of the cover 11 near the opening 24 thereof. The purpose of the rib 21 and the extension 20 will be described hereinafter.
  • a pair of spaced apart annular ribs 22 is provided on the exterior of the cover 11, to provide finger gripping means to assist in removing the cover from the nozzle.
  • the cover is provided with an integral ring 23, which is integral with the connecting strap 12.
  • the con necting strap 12 is also integral with the ring 15.
  • the cover 11 In operation, when it is desired to close the nozzle, the cover 11 is rotated in a clock-wise direction (enabled by the bending of strap 12) until the opening 24 is in registry with the aperture 17.
  • the frusto-conical extension 20 enters the aperture 17 and primary sealing contact is provided between the exterior frusto-conical walls of extension 20 and the interior frusto-conical walls of the nozzle 16. Secondary sealing is provided when the annular rib 21 deforms annular rib 18 and extends downwardly beyond such rib 18, as shown in FIG. 3.
  • An integral one-piece captive cap closureformed of polyethylene and adapted to yieldably engage a dispensing aperture of a container comprising a nozzle including an outlet aperture therein, a cover to close said aperture, and a strap integral with said nozzle and with said cover and interconnecting the two; said nozzle having a major portion of hollow frusto-conical shape and of uniform thin walls providing a frusto-conical interior surface terminating in said outlet aperture, the exterior surface of said nozzle being provided with an annular rib near said outlet aperture and having a minor portion of generally cylindrical shape and of uniformly thin walls providing a cylindrical interior surface which terminates in an inlet aperture; said cover being of generally truncated conical shape and being provided with an interior upstanding centrally located frusto-conical projection, adapted to enter said outlet aperture of said nozzle to provide primary sealing contact between the exterior frusto-conical face of said projection and the interior frusto-conical face of said outlet aperture, the interior surface of said cover being provided with an inner annular
  • RAPHAEL M. LUPO Primary Examiner.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Description

1966 J. K. RUSSELL CAPTIVE CLOSURE CAP Filed Dec. 9, 1954 United States Patent 3,282,478 CAPTIVE CLOSURE CAP John Keith Russell, 42 Valecrest Drive, Islington, Ontario, Canada Filed Dec. 9, 1964, Ser. No. 417,059 1 Claim. (Cl. 222542) This invention relates to closures and more particularly to closures for containers adapted to contain, paste, glue, mucilage and other fluid materials which congeal and set to hardness on contact with air.
Captive cap closures, i.e., those closures constituted by a nozzle communicating with the interior of the container, a cap to close off the opening of the nozzle, and a strap connecting the cap to the nozzle, are now well known. However, these existing captive cap closures are generally not suitable for use on containers adapted to contain paste, glue, etc., since they generally could not effectively exclude air from the nozzle opening. In general, then some of the paste, glue, etc., would set in the nozzle opening when the cap was in place, and thus make further use of the glue difficult since the set glue would have to be removed first.
A prime feature of the present invention is the provision of a captive cap closure wherein there is enhanced sealing of the opening in the nozzle by the cap.
By a broad aspect of the present invention, there is provided a captive cap closure comprising a nozzle including an aperture therein, a cover to close said aperture, and a strap integral with said nozzle and with said cover and interconnecting the two; said nozzle being of frustoconical shape and having a frusto-conical interior surface adjacent said aperture; and said cover being provided with an interior upstanding centrally located frusto-conical projection, adapted to enter said aperture to provide sealing contact between the exterior frusto-conical face of said projection and the interior frusto-conical face of said aperture. Preferably, there is provided an integral onepiece captive cap closure formed of deformable, resilient material comprising a nozzle including an aperture therein, a cover to close said aperture, and a strap integral with said nozzle and with said cover and interconnecting the two; said nozzle being of frusto-conical shape and having a frusto-conical interior surface adjacent said aperture, the exterior surface of said nozzle being provided with an annular rib near said aperture; and said cover being provided with an interior upstanding centrally located frusto-conical projection, adapted to enter said aperture to provide primary sealing contact between the exterior frusto-conical face of said projection and the interior frusto-conical face of said aperture, the interior surface of said cover being provided with an annular rib, adapted to be moved beyond the annular rib on said frusto-conical nozzle and thereby to provide a secondary sealing contact between said nozzle and said cover.
In the drawings,
FIGURE 1 is a perspective view of the captive closure cap of this invention,
FIGURE 2 is a horizontal cross-section of the cap shown in FIG. 1, and
FIGURE 3 is a horizontal cross-section showing the cover on the nozzle.
The cap consists generally of three parts, namely a nozzle 10, a cover 11 and a connecting strap 12.
The nozzle comprises a lower hollow cylindrical 3,282,478 Patented Nov. 1, 1966 portion 13 which is adapted to be inserted into the neck of a container (not shown). Enhanced fitting between the cylindrical portion 13 and the neck of the container is provided by an annular rib 14. Since the cap is made of a resilient non-rigid plastic material, for example, polyethylene or nylon, the rib 14 is deformed and presses against the interior surface of the neck of the container. Limit of movement of the cylindrical portion 13 into the neck of the container is provided by an outwardly pro jecting ring 15.
Extending upwardly from the ring 15 is a hollow frustoconical nozzle portion 16 terminating in an aperture 17. The interior surface of the nozzle portion 16 is also frusto-conical in shape. The nozzle portion 16 is provided with an annular rib 18 near the aperture 17, whose purpose will be described hereinafter.
The cover 11 is provided in inverted frusto-conical shape, and includes a flat integral lid portion 19. A solid integral frusto-conical extension 20 is provided upstanding from the interior of the lid portion 19 at the center thereof. In addition, an internal annular rib 21 is provided on the interior of the cover 11 near the opening 24 thereof. The purpose of the rib 21 and the extension 20 will be described hereinafter.
A pair of spaced apart annular ribs 22 is provided on the exterior of the cover 11, to provide finger gripping means to assist in removing the cover from the nozzle. In addition, the cover is provided with an integral ring 23, which is integral with the connecting strap 12. The con necting strap 12 is also integral with the ring 15.
In operation, when it is desired to close the nozzle, the cover 11 is rotated in a clock-wise direction (enabled by the bending of strap 12) until the opening 24 is in registry with the aperture 17. The frusto-conical extension 20 enters the aperture 17 and primary sealing contact is provided between the exterior frusto-conical walls of extension 20 and the interior frusto-conical walls of the nozzle 16. Secondary sealing is provided when the annular rib 21 deforms annular rib 18 and extends downwardly beyond such rib 18, as shown in FIG. 3.
I claim:
An integral one-piece captive cap closureformed of polyethylene and adapted to yieldably engage a dispensing aperture of a container comprising a nozzle including an outlet aperture therein, a cover to close said aperture, and a strap integral with said nozzle and with said cover and interconnecting the two; said nozzle having a major portion of hollow frusto-conical shape and of uniform thin walls providing a frusto-conical interior surface terminating in said outlet aperture, the exterior surface of said nozzle being provided with an annular rib near said outlet aperture and having a minor portion of generally cylindrical shape and of uniformly thin walls providing a cylindrical interior surface which terminates in an inlet aperture; said cover being of generally truncated conical shape and being provided with an interior upstanding centrally located frusto-conical projection, adapted to enter said outlet aperture of said nozzle to provide primary sealing contact between the exterior frusto-conical face of said projection and the interior frusto-conical face of said outlet aperture, the interior surface of said cover being provided with an inner annular rib spaced from the base thereof adapted to be moved beyond the annular rib on said frusto-conical nozzle and thereby to provide secondary sealing contact between said nozzle and said cover; and said strap extending from the base of said cover to the area of union between the frustoconical and cylindrical portions of said nozzle.
References Cited by the Examiner Krautkramer 222543 10 Schiller 222-543 X Perkins 222569 X Yorker et a1 222563 X Nyden 222-546 X Gowdy et a1 222543 -X FOREIGN PATENTS France.
RAPHAEL M. LUPO, Primary Examiner.
US417059A 1964-12-09 1964-12-09 Captive closure cap Expired - Lifetime US3282478A (en)

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3454196A (en) * 1967-07-20 1969-07-08 Polytop Corp Fixed spout closure with auxiliary cap
US3578224A (en) * 1968-07-25 1971-05-11 Grow Chemical Corp Container and closure cap
US3750914A (en) * 1971-08-17 1973-08-07 Kendall & Co Container drainage valve
US3868051A (en) * 1971-02-18 1975-02-25 Sven Karl Lennart Goof Dripless plastic pour spout insert
US4090647A (en) * 1976-07-21 1978-05-23 Dunning Belford O Applicator container
US4132225A (en) * 1976-11-18 1979-01-02 Hynson, Westcott & Dunning, Inc. Micro blood collector
US4384960A (en) * 1979-11-13 1983-05-24 Polley R D Iodine dispenser and method of dispensing iodine
US4397879A (en) * 1982-07-14 1983-08-09 Warren Wilson Apparatus for and method of making funnel cakes
US4779766A (en) * 1987-02-13 1988-10-25 Seaquist Closures Dispensing closure for a container
US5090583A (en) * 1991-03-27 1992-02-25 Magenta Corporation Tamper-evident, tamper-resistant closure
US5150802A (en) * 1991-11-12 1992-09-29 Jeffers Christopher M Puncture and seal cap apparatus
US5154327A (en) * 1990-04-05 1992-10-13 Long Kyle D Sealable nozzle adaptor for use with a caulking tube cartridge
US5409145A (en) * 1994-02-22 1995-04-25 Payne; Donnie R. Bottle for containing and dispensing oil
US5626257A (en) * 1995-11-08 1997-05-06 Carlson; Leonard E. Paint bladder
USD385748S (en) * 1995-11-09 1997-11-04 Ansa Company Inc. Liquid dispensing cup for toddlers
US7537141B1 (en) 2005-07-26 2009-05-26 Rexam Closure Systems Inc. Dispensing closure and package
US8342351B2 (en) 2007-08-03 2013-01-01 Terry J. Hobbs, SR. Cap for caulking cartridge or similar container
JP2013224160A (en) * 2012-04-20 2013-10-31 Kokuyo S&T Co Ltd Container
US20140231444A1 (en) * 2011-07-23 2014-08-21 Giulio Di Molfetta Closure system and method for resealing a caulking tube nozzle
USD954277S1 (en) 2020-03-21 2022-06-07 Nippii LLC Teether
USD980064S1 (en) 2022-02-16 2023-03-07 Richard W. Jenkins Container cap
US20240359881A1 (en) * 2023-04-28 2024-10-31 TLK Diversified Investments, LLC One-piece cap, spout, and air vent

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1022698A (en) * 1950-08-01 1953-03-09 Plug
US2757824A (en) * 1951-02-16 1956-08-07 Savary Andre Dispensing closure for receptacles
US2792975A (en) * 1954-04-29 1957-05-21 Oscar B Yorker Closures for liquid containers
US2792976A (en) * 1955-06-03 1957-05-21 Stewart Hall Container and spout therefor
US2884151A (en) * 1956-11-01 1959-04-28 Joseph B Biederman Bottle cap
US2911128A (en) * 1951-10-22 1959-11-03 Krautkramer Adam Spout and cap for a container
US2921716A (en) * 1957-10-08 1960-01-19 Fred J Schiller Self clutching container closure
US2981449A (en) * 1957-10-31 1961-04-25 Rutland Fire Clay Company Caulking compound cartridge with improved spout
US3133310A (en) * 1959-09-03 1964-05-19 Yorker & Sons Inc Spouted cap and closure therefor
US3192555A (en) * 1963-06-19 1965-07-06 Pittsburgh Plastics Division H Container dispenser cap with captive closure member and applicator
US3227332A (en) * 1963-09-27 1966-01-04 Procter & Gamble Captive closure

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1022698A (en) * 1950-08-01 1953-03-09 Plug
US2757824A (en) * 1951-02-16 1956-08-07 Savary Andre Dispensing closure for receptacles
US2911128A (en) * 1951-10-22 1959-11-03 Krautkramer Adam Spout and cap for a container
US2792975A (en) * 1954-04-29 1957-05-21 Oscar B Yorker Closures for liquid containers
US2792976A (en) * 1955-06-03 1957-05-21 Stewart Hall Container and spout therefor
US2884151A (en) * 1956-11-01 1959-04-28 Joseph B Biederman Bottle cap
US2921716A (en) * 1957-10-08 1960-01-19 Fred J Schiller Self clutching container closure
US2981449A (en) * 1957-10-31 1961-04-25 Rutland Fire Clay Company Caulking compound cartridge with improved spout
US3133310A (en) * 1959-09-03 1964-05-19 Yorker & Sons Inc Spouted cap and closure therefor
US3192555A (en) * 1963-06-19 1965-07-06 Pittsburgh Plastics Division H Container dispenser cap with captive closure member and applicator
US3227332A (en) * 1963-09-27 1966-01-04 Procter & Gamble Captive closure

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3454196A (en) * 1967-07-20 1969-07-08 Polytop Corp Fixed spout closure with auxiliary cap
US3578224A (en) * 1968-07-25 1971-05-11 Grow Chemical Corp Container and closure cap
US3868051A (en) * 1971-02-18 1975-02-25 Sven Karl Lennart Goof Dripless plastic pour spout insert
US3750914A (en) * 1971-08-17 1973-08-07 Kendall & Co Container drainage valve
US4090647A (en) * 1976-07-21 1978-05-23 Dunning Belford O Applicator container
US4132225A (en) * 1976-11-18 1979-01-02 Hynson, Westcott & Dunning, Inc. Micro blood collector
US4384960A (en) * 1979-11-13 1983-05-24 Polley R D Iodine dispenser and method of dispensing iodine
US4397879A (en) * 1982-07-14 1983-08-09 Warren Wilson Apparatus for and method of making funnel cakes
US4779766A (en) * 1987-02-13 1988-10-25 Seaquist Closures Dispensing closure for a container
US5154327A (en) * 1990-04-05 1992-10-13 Long Kyle D Sealable nozzle adaptor for use with a caulking tube cartridge
US5090583A (en) * 1991-03-27 1992-02-25 Magenta Corporation Tamper-evident, tamper-resistant closure
US5150802A (en) * 1991-11-12 1992-09-29 Jeffers Christopher M Puncture and seal cap apparatus
US5409145A (en) * 1994-02-22 1995-04-25 Payne; Donnie R. Bottle for containing and dispensing oil
US5626257A (en) * 1995-11-08 1997-05-06 Carlson; Leonard E. Paint bladder
USD385748S (en) * 1995-11-09 1997-11-04 Ansa Company Inc. Liquid dispensing cup for toddlers
US7537141B1 (en) 2005-07-26 2009-05-26 Rexam Closure Systems Inc. Dispensing closure and package
US8342351B2 (en) 2007-08-03 2013-01-01 Terry J. Hobbs, SR. Cap for caulking cartridge or similar container
US20140231444A1 (en) * 2011-07-23 2014-08-21 Giulio Di Molfetta Closure system and method for resealing a caulking tube nozzle
US9475625B2 (en) * 2011-07-23 2016-10-25 Giulio Di Molfetta Closure system and method for resealing a caulking tube nozzle
JP2013224160A (en) * 2012-04-20 2013-10-31 Kokuyo S&T Co Ltd Container
USD954277S1 (en) 2020-03-21 2022-06-07 Nippii LLC Teether
USD980064S1 (en) 2022-02-16 2023-03-07 Richard W. Jenkins Container cap
US20240359881A1 (en) * 2023-04-28 2024-10-31 TLK Diversified Investments, LLC One-piece cap, spout, and air vent

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