US3895730A - Safety container - Google Patents

Safety container Download PDF

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Publication number
US3895730A
US3895730A US451863A US45186374A US3895730A US 3895730 A US3895730 A US 3895730A US 451863 A US451863 A US 451863A US 45186374 A US45186374 A US 45186374A US 3895730 A US3895730 A US 3895730A
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United States
Prior art keywords
neck
closure
container
tab
recesses
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
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US451863A
Inventor
Anthony J Koehne
Iii Harry O Baughan
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Poly Seal Corp
Original Assignee
Poly Seal Corp
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Filing date
Publication date
Application filed by Poly Seal Corp filed Critical Poly Seal Corp
Priority to US451863A priority Critical patent/US3895730A/en
Application granted granted Critical
Publication of US3895730A publication Critical patent/US3895730A/en
Anticipated expiration legal-status Critical
Assigned to FLEET NATIONAL BANK reassignment FLEET NATIONAL BANK SECURITY AGREEMENT Assignors: POLY-SEAL CORPORATION
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
    • B65D50/00—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures
    • B65D50/02—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions
    • B65D50/04—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one
    • B65D50/045—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring
    • B65D50/046—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring and such deformation causes the disengagement of locking means, e.g. the release of a pawl-like element from a tooth or abutment, to allow removal of the closure by simultaneous rotation

Definitions

  • ABSTRACT A safety container including an externally threaded tubular neck having an opening extending through the neck to the container wherein the neck extends outwardly from the container body to threadably receive a closure, the area of the top of the tubular neck being either perpendicular or tapered downwardly from the tubular neck in which at least the area adjacent the 1 Claim, 5 Drawing Figures 1 SAFETY?
  • CONTAINER The present invention relates to a safety container for storing medicines, poisons, etc., equipped with means adapted to engage the threads 6 cm the neck 2.
  • ,T ere. is normally provided a sealing element 12 posi- I I l tioned between the inner upper surface of the, closure 1 andthe outer end of the neck, as shown in FIG. 2.
  • the closure is provided with,a flexible; tab 14. Positioned on the upper surface of the tab. adjoining its outer end is a stop l6. The stop is positioned adjacent present invention to eliminate these difficult features in forming the closure in particular.
  • One object of the invention is to provide a closure of this type in which the holding means is outside the closure itself to allow the holding means to be observed to insure a positive operation of the closure in securing the same on the container neck.
  • Another object of the invention is to provide a holding means wherein one of the holding elements is car-
  • a further object of the invention is to provide the holding element carried by the closure with means for limiting the movement thereof.
  • Still another object of the invention is to provide means for completely engaging the two holding elements when the closure is in a closed position upon the container neck.
  • FIG. 1 is a view in elevation of the container and the closure therefor.
  • FIG. 2 is a view in elevation of the container shown in FIG. 1 rotated at a 90 degreeangle to the view shown in FIG. 1, having a portion broken away to show the detail construction of the locking elements.
  • FIG. 3 is a plan view of the container and closure shown in FIG. 1.
  • FIG. 4 is a fragmentary view in elevation of the specific portion of the container showing the closure having its locking means disengaged.
  • FIG. 5 is a fragmentary view in elevation of a modified form of the container and closure.
  • the container 1 shown in FIGS. 1-4, and l-A shown in FIG. 5 are shown as being in cylindrical form but may be in any desirable convenient form.
  • the containers are formed with an externally threaded cylindrical neck 2.
  • the adjacent area of the upper surface of the container surrounding the neck is either in a plane substantially perpendicular to the axis of the neck or in a tapered form as shown in FIG. 5.
  • This area adjacent the neck may be at any desired angle with the elongated axis of the neck as shown at 1" in FIG. 5 and is provided with a plurality of recesses to form a type of ratchet, each of the recesses having a sloping side 4' and a straight side 4 parallel with the side of the tubular neck.
  • a closure or cap member 8 Threadably receivable on the external threads 6 of the neck 2 is a closure or cap member 8.
  • the closure as previously stated is provided with an internal thread to the outer end of the tab 12, and is formed .or affixed to the upper surface of the tab. Formed or affixed to the under surface of the tab adjacent its .outer end is a I pawl 18, adapted to engage the ratchet teeth 4, formed in the upper surface 1 of the container. shown best in FIG. 2 and at 1 in FIG. 5.
  • the tab normally extends outwardly fromthe closure 8 substantially parallel to the surface surrounding the neck, as shown in FIGS. 1, 2 and 5, when the closure is tightly screwed downwardly on the neck to close the neck opening.
  • the pawl 18 will begin to engage'the recesses 4, and act as a ratchet holding means to prevent the closure from being rotated in the reverse direction.
  • the pawl will move from one of the recesses to the other as the clo sure is tightened downwardly upon the container neck.
  • the pawl 18 is provided with a bevelled side 18' which slides over the bevelled side 4' of the recess 4 when the closure is being applied to the neck.
  • the straight side 18" of the pawl will engage the straight side 4 of the recesses 4 and prevent the rotation of the closure and its removal from the container neck.
  • the outer end of the tab 14 is raised as shown in FIG. 4 to a point where the pawl 14 becomes disengaged from the recesses 4 whereby the closure may be rotated in the opposite direction to remove the closure from the container neck.
  • the stop 16 is adapted to engage the side wall of the closure 8 (see FIGS. 4 and 5); otherwise, the tab is subject to being raised to a point where it will be broken or it will lose its resilience and not return to its proper normal position to engage the recesses 4 in future operations.
  • the pawl 18 preferably does not extend to the bottom 4" (see FIG. 2) of the recess 4 when the closure is screwed on to the neck of the container, therefore, there will be no upward pressure on the side of the closure 8 to which the tab is attached when the pawl drops into one of the recesses. Having the member 18 extending upwardly from the bottom of the recess prevents any false impression that the closure is squarely and tightly fitted upon the neck.
  • Both the container and the closure are of such construction that each may be molded on a high production molding machine with a minimum number of molding operations. While the invention is shown in a specific form, it is not to be considered as a limitation as the scope of the invention is best defined the appended claims. l
  • I 5 A container and safety closure therefor, including in combination? l l.
  • a hollow container having an externally threaded tubular neck integrally molded thereon having its tubular opening extending into the hollow con- 3 disposed to the elongated axis of] the neck, the outer surface of the container adjacent the neck having a plurality of recesses extending inwardly from the'outer upper surface of the container and e'quidistantfrom' the neck;
  • said closure having a flexible tab formed integral 4 under surface of the flexible tab and positioned on the tab to engage the recesses in the container when the closure is threadably moved downwardly on the neck;
  • a stop member integrally formed on the tab and spaced outwardly'from the closure cap, said stop extending upwardly from the upper surface of the tab at a point to engage the closure cap after the tab has been flexed to a point to disengage the pawl from the said recess in order to rotate the closure cap in its off direction.

Abstract

A safety container including an externally threaded tubular neck having an opening extending through the neck to the container wherein the neck extends outwardly from the container body to threadably receive a closure, the area of the top of the tubular neck being either perpendicular or tapered downwardly from the tubular neck in which at least the area adjacent the neck is provided with means cooperating with a locking means carried by the closure to prevent the normal rotation of the closure in the opposite direction to the downward pitch of the thread carried by the neck, the locking means being manually operatable to disengage the locking means carried by the closure to allow the closure to be rotated to remove the closure from the container neck.

Description

Koehne et a].
[ SAFETY CONTAINER [75] Inventors: Anthony J. Koehne, Severna Park; Harry 0. Baughan, 111, Baltimore, both of Md. [73] Assignee: Poly-Seal Corporation, Baltimore County, Md.
[22] Filed: Mar. 18, 1974 [21] Appl. No.: 451,863
52 US. Cl 215/216; 215/221 [51] Int. Cl. B651) 55/02 [58] Field of Search 215/9, 216, 221
[56] References Cited UNITED STATES PATENTS 3,794,201 2/1974 Galer 215/9 3,826,395 7/1974 Montgomery.... 215/9 3,830,391 8/1974 Uhlig 215/9 3,831,797 8/1974 Stevens, Jr. 215/9 July 22, 1975 Primary Examiner-George T. Hall Attorney, Agent, or Firm.l. Wesley Everett [57] ABSTRACT A safety container including an externally threaded tubular neck having an opening extending through the neck to the container wherein the neck extends outwardly from the container body to threadably receive a closure, the area of the top of the tubular neck being either perpendicular or tapered downwardly from the tubular neck in which at least the area adjacent the 1 Claim, 5 Drawing Figures 1 SAFETY? CONTAINER The present invention relates to a safety container for storing medicines, poisons, etc., equipped with means adapted to engage the threads 6 cm the neck 2. ,T ere. is normally provided a sealing element 12 posi- I I l tioned between the inner upper surface of the, closure 1 andthe outer end of the neck, as shown in FIG. 2.
The closure is provided with,a flexible; tab 14. Positioned on the upper surface of the tab. adjoining its outer end is a stop l6. The stop is positioned adjacent present invention to eliminate these difficult features in forming the closure in particular.
One object of the invention is to provide a closure of this type in which the holding means is outside the closure itself to allow the holding means to be observed to insure a positive operation of the closure in securing the same on the container neck.
Another object of the invention is to provide a holding means wherein one of the holding elements is car- A further object of the invention is to provide the holding element carried by the closure with means for limiting the movement thereof.
Still another object of the invention is to provide means for completely engaging the two holding elements when the closure is in a closed position upon the container neck.
While several objects of the invention have been noted, other objects, uses and advantages, will become apparent as the nature of the invention is more fully described in the following specifications and the accompanying drawing.
FIG. 1 is a view in elevation of the container and the closure therefor.
FIG. 2 is a view in elevation of the container shown in FIG. 1 rotated at a 90 degreeangle to the view shown in FIG. 1, having a portion broken away to show the detail construction of the locking elements.
FIG. 3 is a plan view of the container and closure shown in FIG. 1.
FIG. 4 is a fragmentary view in elevation of the specific portion of the container showing the closure having its locking means disengaged.
FIG. 5 is a fragmentary view in elevation of a modified form of the container and closure.
In reference to the drawings like and similar references characters are used to point out like and similar parts throughout the several views.
The container 1 shown in FIGS. 1-4, and l-A shown in FIG. 5 are shown as being in cylindrical form but may be in any desirable convenient form. The containers are formed with an externally threaded cylindrical neck 2. The adjacent area of the upper surface of the container surrounding the neck is either in a plane substantially perpendicular to the axis of the neck or in a tapered form as shown in FIG. 5. This area adjacent the neck may be at any desired angle with the elongated axis of the neck as shown at 1" in FIG. 5 and is provided with a plurality of recesses to form a type of ratchet, each of the recesses having a sloping side 4' and a straight side 4 parallel with the side of the tubular neck.
Threadably receivable on the external threads 6 of the neck 2 is a closure or cap member 8. The closure as previously stated is provided with an internal thread to the outer end of the tab 12, and is formed .or affixed to the upper surface of the tab. Formed or affixed to the under surface of the tab adjacent its .outer end is a I pawl 18, adapted to engage the ratchet teeth 4, formed in the upper surface 1 of the container. shown best in FIG. 2 and at 1 in FIG. 5. The tab normally extends outwardly fromthe closure 8 substantially parallel to the surface surrounding the neck, as shown in FIGS. 1, 2 and 5, when the closure is tightly screwed downwardly on the neck to close the neck opening.
As the closure is screwed downwardly on the: neck the pawl 18 will begin to engage'the recesses 4, and act as a ratchet holding means to prevent the closure from being rotated in the reverse direction. The pawl will move from one of the recesses to the other as the clo sure is tightened downwardly upon the container neck. It will be noted that the pawl 18 is provided with a bevelled side 18' which slides over the bevelled side 4' of the recess 4 when the closure is being applied to the neck. When the motion of the closure is reversed on the neck, the straight side 18" of the pawl will engage the straight side 4 of the recesses 4 and prevent the rotation of the closure and its removal from the container neck.
To remove the closure 8, the outer end of the tab 14 is raised as shown in FIG. 4 to a point where the pawl 14 becomes disengaged from the recesses 4 whereby the closure may be rotated in the opposite direction to remove the closure from the container neck.
In order to prevent the tab 14 from being broken off, the stop 16 is adapted to engage the side wall of the closure 8 (see FIGS. 4 and 5); otherwise, the tab is subject to being raised to a point where it will be broken or it will lose its resilience and not return to its proper normal position to engage the recesses 4 in future operations.
It will be noted that the pawl 18 preferably does not extend to the bottom 4" (see FIG. 2) of the recess 4 when the closure is screwed on to the neck of the container, therefore, there will be no upward pressure on the side of the closure 8 to which the tab is attached when the pawl drops into one of the recesses. Having the member 18 extending upwardly from the bottom of the recess prevents any false impression that the closure is squarely and tightly fitted upon the neck.
Both the container and the closure are of such construction that each may be molded on a high production molding machine with a minimum number of molding operations. While the invention is shown in a specific form, it is not to be considered as a limitation as the scope of the invention is best defined the appended claims. l
I claim: I 5 1. A container and safety closure therefor, including in combination? l l.
a. a hollow container having an externally threaded tubular neck integrally molded thereon having its tubular opening extending into the hollow con- 3 disposed to the elongated axis of] the neck, the outer surface of the container adjacent the neck having a plurality of recesses extending inwardly from the'outer upper surface of the container and e'quidistantfrom' the neck; g H
b. an internal threaded closure cap adapted to screw on to and off the externally threaded neck;
c'. said closure having a flexible tab formed integral 4 under surface of the flexible tab and positioned on the tab to engage the recesses in the container when the closure is threadably moved downwardly on the neck;
a stop member integrally formed on the tab and spaced outwardly'from the closure cap, said stop extending upwardly from the upper surface of the tab at a point to engage the closure cap after the tab has been flexed to a point to disengage the pawl from the said recess in order to rotate the closure cap in its off direction.

Claims (1)

1. A container and safety closure therefor, including in combination: a. a hollow container having an externally threaded tubular neck integrally molded thereon having its tubular opening extending into the hollow container, the area of the container extending outwardly from the neck being in a plane angularly disposed to the elongated axis of the neck, the outer surface of the contAiner adjacent the neck having a plurality of recesses extending inwardly from the outer upper surface of the container and equidistant from the neck; b. an internal threaded closure cap adapted to screw on to and off the externally threaded neck; c. said closure having a flexible tab formed integral with the lower edge of the cap and extending outwardly from one side thereof and parallel with the outer surface of the container adjacent the neck to a point overlying the recesses and out of engagement therewith, a pawl formed integrally with the under surface of the flexible tab and positioned on the tab to engage the recesses in the container when the closure is threadably moved downwardly on the neck; d. a stop member integrally formed on the tab and spaced outwardly from the closure cap, said stop extending upwardly from the upper surface of the tab at a point to engage the closure cap after the tab has been flexed to a point to disengage the pawl from the said recess in order to rotate the closure cap in its off direction.
US451863A 1974-03-18 1974-03-18 Safety container Expired - Lifetime US3895730A (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106651A (en) * 1977-08-12 1978-08-15 Lemons John B Left and right handed child-resistant safety cap
US4392279A (en) * 1981-09-14 1983-07-12 Mattel, Inc. Self-locking two-part fastener
US4572376A (en) * 1982-09-16 1986-02-25 Wrennall Richard K Dial pill box
GB2164325A (en) * 1984-09-11 1986-03-19 Mardon Illingworth Child-resistant cap and container
US5038454A (en) * 1988-12-29 1991-08-13 The Procter & Gamble Company Injection blow molding process for forming a package exhibiting improved child resistance
US5186344A (en) * 1990-10-02 1993-02-16 The Procter & Gamble Company Container and closure having means for producing an audible signal when a seal has been established
US5230433A (en) * 1992-01-28 1993-07-27 The Procter & Gamble Company Adult friendly child-resistant attachment for containers used to store potentially dangerous materials
US5460281A (en) * 1994-09-15 1995-10-24 West Penn Plastics Safety lock screw cap and container
US5462182A (en) * 1994-01-27 1995-10-31 Weatherchem Corporation Screws-on child resistant consumer-friendly closure
US5586671A (en) * 1993-08-06 1996-12-24 The Procter & Gamble Company Child resistant package
US5603421A (en) * 1995-08-10 1997-02-18 Weatherchem Corporation Two-finger child resistant closure
US5664693A (en) * 1993-05-06 1997-09-09 Owens-Illinois Closure Inc. Child resistant package
US5908125A (en) * 1997-04-16 1999-06-01 Weatherchem Corporation Child-resistant screw-on cap and bottle
USD421909S (en) * 1999-04-07 2000-03-28 Weatherchem Corporation Child-resistant screw-on cap
US6053343A (en) * 1998-05-14 2000-04-25 Kerr Group, Inc. Child-resistant closure and container with tamper indication
US6296130B1 (en) * 1999-05-19 2001-10-02 Weatherchem Corporation Anti back off screw on closure
US20090320590A1 (en) * 2007-09-07 2009-12-31 Dwyer Instruments, Inc. Gage Cover Retention Mechanism
WO2020219509A1 (en) * 2019-04-23 2020-10-29 Berry Global, Inc. Selectively openable closure for a container
US20240025604A1 (en) * 2022-07-20 2024-01-25 Closure Systems International Inc. Child-resistant closure and package

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794201A (en) * 1971-02-25 1974-02-26 United States Steel Corp Securely closed containers
US3826395A (en) * 1973-05-03 1974-07-30 Sunbeam Plastics Corp Leak-proof closure for a liquid container
US3830391A (en) * 1970-03-04 1974-08-20 G Uhlig Safety closure container
US3831797A (en) * 1972-10-02 1974-08-27 P Stevens Child resistant safety closure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3830391A (en) * 1970-03-04 1974-08-20 G Uhlig Safety closure container
US3794201A (en) * 1971-02-25 1974-02-26 United States Steel Corp Securely closed containers
US3831797A (en) * 1972-10-02 1974-08-27 P Stevens Child resistant safety closure
US3826395A (en) * 1973-05-03 1974-07-30 Sunbeam Plastics Corp Leak-proof closure for a liquid container

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106651A (en) * 1977-08-12 1978-08-15 Lemons John B Left and right handed child-resistant safety cap
US4392279A (en) * 1981-09-14 1983-07-12 Mattel, Inc. Self-locking two-part fastener
US4572376A (en) * 1982-09-16 1986-02-25 Wrennall Richard K Dial pill box
GB2164325A (en) * 1984-09-11 1986-03-19 Mardon Illingworth Child-resistant cap and container
US5038454A (en) * 1988-12-29 1991-08-13 The Procter & Gamble Company Injection blow molding process for forming a package exhibiting improved child resistance
US5186344A (en) * 1990-10-02 1993-02-16 The Procter & Gamble Company Container and closure having means for producing an audible signal when a seal has been established
US5564580A (en) * 1992-01-28 1996-10-15 The Procter & Gamble Company Adult friendly child-resistant attachment for containers used to store potentially dangerous materials
US5230433A (en) * 1992-01-28 1993-07-27 The Procter & Gamble Company Adult friendly child-resistant attachment for containers used to store potentially dangerous materials
US5383564A (en) * 1992-01-28 1995-01-24 The Procter & Gamble Company Adult friendly child-resistant attachment for containers used to store potentially dangerous materials
US5562218A (en) * 1992-01-28 1996-10-08 The Procter & Gamble Company Adult friendly child-resistant attachment for containers used to store potentially dangerous materials
US5664693A (en) * 1993-05-06 1997-09-09 Owens-Illinois Closure Inc. Child resistant package
US5586671A (en) * 1993-08-06 1996-12-24 The Procter & Gamble Company Child resistant package
US5462182A (en) * 1994-01-27 1995-10-31 Weatherchem Corporation Screws-on child resistant consumer-friendly closure
US5460281A (en) * 1994-09-15 1995-10-24 West Penn Plastics Safety lock screw cap and container
US5603421A (en) * 1995-08-10 1997-02-18 Weatherchem Corporation Two-finger child resistant closure
US5908125A (en) * 1997-04-16 1999-06-01 Weatherchem Corporation Child-resistant screw-on cap and bottle
US6053343A (en) * 1998-05-14 2000-04-25 Kerr Group, Inc. Child-resistant closure and container with tamper indication
USD421909S (en) * 1999-04-07 2000-03-28 Weatherchem Corporation Child-resistant screw-on cap
US6296130B1 (en) * 1999-05-19 2001-10-02 Weatherchem Corporation Anti back off screw on closure
US20090320590A1 (en) * 2007-09-07 2009-12-31 Dwyer Instruments, Inc. Gage Cover Retention Mechanism
US8424705B2 (en) * 2007-09-07 2013-04-23 Dwyer Instruments, Inc. Gage cover retention mechanism
WO2020219509A1 (en) * 2019-04-23 2020-10-29 Berry Global, Inc. Selectively openable closure for a container
US11745922B2 (en) 2019-04-23 2023-09-05 Berry Global, Inc. Selectively openable closure for a container
US20240025604A1 (en) * 2022-07-20 2024-01-25 Closure Systems International Inc. Child-resistant closure and package

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AS Assignment

Owner name: FLEET NATIONAL BANK, MASSACHUSETTS

Free format text: SECURITY AGREEMENT;ASSIGNOR:POLY-SEAL CORPORATION;REEL/FRAME:013138/0648

Effective date: 20020722