US2555490A - Axially slidable and axially discharging outlet element operated by pressure of contents - Google Patents

Axially slidable and axially discharging outlet element operated by pressure of contents Download PDF

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US2555490A
US2555490A US772907A US77290747A US2555490A US 2555490 A US2555490 A US 2555490A US 772907 A US772907 A US 772907A US 77290747 A US77290747 A US 77290747A US 2555490 A US2555490 A US 2555490A
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axially
tube
contents
pressure
diaphragm
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US772907A
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Joseph A Horn
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/20Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2031Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/20Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure

Definitions

  • This invention relates to dispensing closures for collapsible tubes and particularly to a selfopening closure for such tubes.
  • a tube closure which opens readily andautomatically upon only the usual moderate squeezing of the tube and closes securely when squeezing pressure is removed.
  • This practical and satisfactory operation is due in general to 'the overall design of my device and in large measure to the fact that the squeezing pressure is arranged to act against a diaphragm whose extent is equal to the full cross-sectional area of the tube, whereby a very substantial force is available for effecting the closure opening operation.
  • Fig. 1 is a general elevational view of a collapsible tube having one form of the closure of my invention, portions of the tube being broken away to permit illustration on an enlarged scale;
  • Fig. 2 is a top plan View thereof
  • Fig. 3 is a central vertical cross sectional view of the upper end of the collapsible tube of Figs. 1 and 2;
  • Fig. 4 is a View similar to Fig. 3 but with the closure and its operating elements in open position;
  • Fig. 5 is a fragmentary cross-sectional View on the line 5-5 of Fig. 3;
  • Fig. 6 is a perspective view of one of the elements of the closure assembly.
  • Fig. '7 is a disassembled perspective view of two other elements of the closure assembly.
  • I0 designates the usual main body portion of a collapsible tube having a head or 1 Claim. (Cl. 222-493) crown portion I I, generally of stiffer construction, and a throat I2 which, in the illustrated embodiment is of square or rectangular crosssection.
  • diaphragm I4 Fitted within the upper end of tube at about the point where the tube body I0 and crown II meet is a diaphragm I4 whose area coincides with the cross sectional extent and coniiiguration of the tube body itself.
  • the marginal edges of diaphragm I4 are feathered as shown in Fig. 3 and are prevented from moving upwardly to any substantial degree by the rapidly reducing diameter of the crown II.
  • the diaphragm I4 may be of rubber or fabric, synthetic or natural, or of any other pliable and readily flexible material.
  • the diaphragm has a square or rectangular central opening over which seats a base flange I5 of a squareor rectangular tubular member I6, shown in detail in Fig. 6.
  • Tubular member I6 extends slidably into throat I2 of the tube proper and serves at all times to close oi the space within crown II from the interior of the tube body IIJ which contains the material for which the tube is provided, such as tooth paste, shaving cream, or the like.
  • This free space within crown II comprises a spring chamber and, as appears clearly from Fig. 3, a frusto-conical compression coil spring 20 acts between the upper interior portion of crown II and the upper surface of base ange I5 to normally urge the tubular member Ii and the diaphragm I4 to the position illustrated in Fig. 3, wherein, as will presently appear, the tube is in closed condition.
  • and 22 comprise the closure proper and are illustrated in detail in Fig. 7.
  • the element 22 has a pair of side ilanges 23 and 24 which abut plate element 2l when the elements are in assembled position in tubular member I6 as appears from Figs. 3 and 5, particularly the latter.
  • flanges 23 and 24 of plate element 22 are at the lower part thereof so that the parts of 'both plate elements 2l and 22 above flanges 23 and 24 may be flexed toward each other from the free positions shown in Fig. 7.
  • a base flange 26 is formed at the bottom of plate element 2I and base llanges 2l, 28 and 29 are provided at the bottom of plate element 22.
  • and 22 are assembled upwardly through the central opening in diaphragm I4 and through tubular member I6 the base flanges 26, 2l, 2B and 29 seat against the under side of the diaphragm.
  • the ange I5 and flanges 26 through 29 may be held in engagementA asta/19o with diaphragm I4 by the opposing pressures of spring 20 and the contents of the tube or they may be fastened by extraneous means if desired.
  • plate elements 2I and 22 are provided with head portions 3
  • the parts are normally held in'this position by the downward force of spring 20 against base iiange I5.
  • the heads 3I and 32 have cam surfaces 34 and 35, respectively, which engage the upper inside edges of throat I2 to retain the heads in 'the vthroatclosing position of Fig. 3.
  • crown I I and throatI2 there is a tapered portion 36 which facilitates assembly of the plate elements 2I and 22 by camming the head portions 3

Description

Patented June 5, `1951 UNITED STATES PATENT OFFICE AXIALLY SLIDABLE AND AXIALLY DIS- CHARGING OUTLET ELEMENT OPER- ATED BY PRESSURE OF CONTENTS This invention relates to dispensing closures for collapsible tubes and particularly to a selfopening closure for such tubes.
It has been variously proposed in the prior art to provide collapsible tube closures which are adapted to open automatically when the tube is squeezed in the usual way to expel its contents. Such devices have in the past not been practical or feasible to produce commercially.
According to the present invention a tube closure is provided which opens readily andautomatically upon only the usual moderate squeezing of the tube and closes securely when squeezing pressure is removed. This practical and satisfactory operation is due in general to 'the overall design of my device and in large measure to the fact that the squeezing pressure is arranged to act against a diaphragm whose extent is equal to the full cross-sectional area of the tube, whereby a very substantial force is available for effecting the closure opening operation.
Conversely, the substantial opening force thus made available permits the employment of spring means of sufficient force to positively close the tube opening when squeezing pressure is terminated.
While a fully detailed embodiment of my invention is illustrated in the accompanying drawing and described in the following specification, it is to be understood that such embodiment is by way of example only, the scope of my invention being limited only as dened in the appended claim.
In the drawings:
Fig. 1 is a general elevational view of a collapsible tube having one form of the closure of my invention, portions of the tube being broken away to permit illustration on an enlarged scale;
Fig. 2 is a top plan View thereof;
Fig. 3 is a central vertical cross sectional view of the upper end of the collapsible tube of Figs. 1 and 2;
Fig. 4 is a View similar to Fig. 3 but with the closure and its operating elements in open position;
Fig. 5 is a fragmentary cross-sectional View on the line 5-5 of Fig. 3;
Fig. 6 is a perspective view of one of the elements of the closure assembly; and
Fig. '7 is a disassembled perspective view of two other elements of the closure assembly.
Throughout the several figures of the drawing like characters of reference denote like parts and the numeral I0 designates the usual main body portion of a collapsible tube having a head or 1 Claim. (Cl. 222-493) crown portion I I, generally of stiffer construction, and a throat I2 which, in the illustrated embodiment is of square or rectangular crosssection.
Fitted within the upper end of tube at about the point where the tube body I0 and crown II meet is a diaphragm I4 whose area coincides with the cross sectional extent and coniiiguration of the tube body itself. The marginal edges of diaphragm I4 are feathered as shown in Fig. 3 and are prevented from moving upwardly to any substantial degree by the rapidly reducing diameter of the crown II.
The diaphragm I4 may be of rubber or fabric, synthetic or natural, or of any other pliable and readily flexible material. The diaphragm has a square or rectangular central opening over which seats a base flange I5 of a squareor rectangular tubular member I6, shown in detail in Fig. 6. Tubular member I6 extends slidably into throat I2 of the tube proper and serves at all times to close oi the space within crown II from the interior of the tube body IIJ which contains the material for which the tube is provided, such as tooth paste, shaving cream, or the like.
This free space within crown II comprises a spring chamber and, as appears clearly from Fig. 3, a frusto-conical compression coil spring 20 acts between the upper interior portion of crown II and the upper surface of base ange I5 to normally urge the tubular member Ii and the diaphragm I4 to the position illustrated in Fig. 3, wherein, as will presently appear, the tube is in closed condition.
A pair of resilient up-standing plate elements 2| and 22 comprise the closure proper and are illustrated in detail in Fig. 7. The element 22 has a pair of side ilanges 23 and 24 which abut plate element 2l when the elements are in assembled position in tubular member I6 as appears from Figs. 3 and 5, particularly the latter. It will be noted that flanges 23 and 24 of plate element 22 are at the lower part thereof so that the parts of 'both plate elements 2l and 22 above flanges 23 and 24 may be flexed toward each other from the free positions shown in Fig. 7.
A base flange 26 is formed at the bottom of plate element 2I and base llanges 2l, 28 and 29 are provided at the bottom of plate element 22. When the plate elements 2| and 22 are assembled upwardly through the central opening in diaphragm I4 and through tubular member I6 the base flanges 26, 2l, 2B and 29 seat against the under side of the diaphragm. The ange I5 and flanges 26 through 29 may be held in engagementA asta/19o with diaphragm I4 by the opposing pressures of spring 20 and the contents of the tube or they may be fastened by extraneous means if desired.
At their upper ends plate elements 2I and 22 are provided with head portions 3| and 32, respectively, which cooperate to close the throat of the tube as illustratedin Fig. 3. The parts are normally held in'this position by the downward force of spring 20 against base iiange I5. The heads 3I and 32 have cam surfaces 34 and 35, respectively, which engage the upper inside edges of throat I2 to retain the heads in 'the vthroatclosing position of Fig. 3.
At the junction of crown I I and throatI2 there is a tapered portion 36 which facilitates assembly of the plate elements 2I and 22 by camming the head portions 3| and 32 toward-eachother as they are moved upwardly toward throat -I2 during assembly.
However, when squeezing pressure is exerted against the tube body, diaphragm I 4 is forced upsistance of spring20. This movesplate elements 2I and 22 and tubular member I6 upwardly and cam surfaces '34 and 35` permit the heads to spread because of the natural tendency o1" elements 2I kand 22 to straighten. This spring tendency is 'augmented by the 'pressure of the contents of the tube passing upwardly between plate elements 2I and 22. It willbenoted from"Fig. 6 that two of the upper edges of tubularmernbers are recessed as at 31 and `38 to 5 permit the spreading "movement of heads 3I and 32. Whensqueezingpresfsure `on the tube is stopped spring 20 returns the Vparts from the position of Fig. 4 to the position of Fig. 3.
What is 'claimed is:
A dispensing closure for a collapsible 'tube having a collapsible body portion, ahead at one end ments having closure heads which cooperate to fclose the outerend of said throat when in closed .position anda Avertical resilient plate element supporting each closure head from said diaphragm, Jsaidplate elements being biased to move apart and said heads having inclined lateral cam sur- -face's for engagement against the outer end of said `throat whereby upward movement of said diaphragm due to squeezing pressure on the tube body causes the closure heads to move outwardly from said throat and separate by reason of the bias of the plate elements, a compression coil spring acting between said diaphragm and the inner surface of saidhead for returning the 'closure heads to'throa't closing position when squeezing pressure on the tube body is terminated.
JOSEPH A. HORN.
' REFERENCES CITED The following references 'are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 1,859,382 CruzeV May 24, 1932 1,969,395 Chcone Aug. .'7, 1934 2,270,794 Feldmar Jan. `20, 1942 2,378,061 Buhler et al June l2, 1945
US772907A 1947-09-09 1947-09-09 Axially slidable and axially discharging outlet element operated by pressure of contents Expired - Lifetime US2555490A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2596592A (en) * 1950-07-19 1952-05-13 Leonard A Parker Self-closing paste tube
US2980303A (en) * 1957-03-18 1961-04-18 Donald A Jacobson Flexible closure for dispensers
US3336000A (en) * 1966-05-31 1967-08-15 Du Pont Aerosol valve for food products
US3406944A (en) * 1966-05-31 1968-10-22 Du Pont Aerosol valve
US3995780A (en) * 1975-10-23 1976-12-07 Union Oil Company Of California Pressure-responsive valve mechanism
US6065642A (en) * 1998-12-09 2000-05-23 Aptargroup, Inc. Non-venting valve and dispensing package for fluid products and the like
WO2003010062A1 (en) * 2001-07-23 2003-02-06 Mcgill Technology Limited Container with outlet
WO2002101269A3 (en) * 2001-06-13 2003-03-20 Baxter Int Vacuum actuated valve
US6554023B2 (en) 2001-06-13 2003-04-29 Baxter International Inc. Vacuum demand flow valve
WO2003047981A2 (en) * 2001-12-06 2003-06-12 Gabriel Cabelli Hand held fluent dispensing containers
US20040011405A1 (en) * 2002-03-12 2004-01-22 Danby Hal C. Vacuum demand flow valve
US20040060598A1 (en) * 2001-06-13 2004-04-01 Hal Danby Vacuum demand flow valve
USD493866S1 (en) 2001-06-13 2004-08-03 Baxter Intl. Inc Valve
USD499793S1 (en) 2003-03-17 2004-12-14 Baxter International Inc. Valve
US20050017213A1 (en) * 2002-03-12 2005-01-27 Swan Julian F.R. Valve stop
JP2016034855A (en) * 2013-05-16 2016-03-17 マックギル テクノロジー リミテッド Container with pouring port

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1859382A (en) * 1931-04-28 1932-05-24 George R Cruze Stopper and retracting device for collapsible tubes
US1969395A (en) * 1933-01-07 1934-08-07 Edward Mcdonald Collapsible paste tube
US2270794A (en) * 1939-09-01 1942-01-20 Feldmar Bela Automatic closure for collapsible tubes
US2378061A (en) * 1943-02-16 1945-06-12 Buhler Heinrich Nozzle for pressure-operated containers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1859382A (en) * 1931-04-28 1932-05-24 George R Cruze Stopper and retracting device for collapsible tubes
US1969395A (en) * 1933-01-07 1934-08-07 Edward Mcdonald Collapsible paste tube
US2270794A (en) * 1939-09-01 1942-01-20 Feldmar Bela Automatic closure for collapsible tubes
US2378061A (en) * 1943-02-16 1945-06-12 Buhler Heinrich Nozzle for pressure-operated containers

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2596592A (en) * 1950-07-19 1952-05-13 Leonard A Parker Self-closing paste tube
US2980303A (en) * 1957-03-18 1961-04-18 Donald A Jacobson Flexible closure for dispensers
US3336000A (en) * 1966-05-31 1967-08-15 Du Pont Aerosol valve for food products
US3406944A (en) * 1966-05-31 1968-10-22 Du Pont Aerosol valve
US3995780A (en) * 1975-10-23 1976-12-07 Union Oil Company Of California Pressure-responsive valve mechanism
US6065642A (en) * 1998-12-09 2000-05-23 Aptargroup, Inc. Non-venting valve and dispensing package for fluid products and the like
WO2000034139A1 (en) * 1998-12-09 2000-06-15 Seaquist Closures Foreign, Inc. Non-venting valve and dispensing package for fluids
US6273296B1 (en) * 1998-12-09 2001-08-14 Seaquist Closures Foreign, Inc. Non-venting valve and dispensing package for fluid products and the like
AU751142B2 (en) * 1998-12-09 2002-08-08 Aptargroup, Inc. Non-venting valve and dispensing package for fluids
US6672333B2 (en) 2001-06-13 2004-01-06 Baxter International Inc. Vacuum demand valve
US6684903B2 (en) 2001-06-13 2004-02-03 Baxter International Inc. Vacuum demand valve
US6550493B2 (en) 2001-06-13 2003-04-22 Baxter International Inc. Vacuum demand valve
US6554023B2 (en) 2001-06-13 2003-04-29 Baxter International Inc. Vacuum demand flow valve
US6863083B2 (en) 2001-06-13 2005-03-08 Baxter International Inc. Vacuum demand flow valve
US6604545B2 (en) 2001-06-13 2003-08-12 Baxter International Inc. Vacuum demand valve
US6648011B2 (en) 2001-06-13 2003-11-18 Baxter International Inc. Vacuum demand valve
US20050028870A1 (en) * 2001-06-13 2005-02-10 Baxter International Inc. Vacuum demand flow valve
US6679288B2 (en) 2001-06-13 2004-01-20 Baker International Inc. Vacuum demand valve
USD493866S1 (en) 2001-06-13 2004-08-03 Baxter Intl. Inc Valve
US20040060598A1 (en) * 2001-06-13 2004-04-01 Hal Danby Vacuum demand flow valve
WO2002101269A3 (en) * 2001-06-13 2003-03-20 Baxter Int Vacuum actuated valve
US6712095B2 (en) 2001-06-13 2004-03-30 Baxter International Inc. Vacuum demand valve
US20040238576A1 (en) * 2001-07-23 2004-12-02 Mcgill Shane Robert Container with outlet
WO2003010062A1 (en) * 2001-07-23 2003-02-06 Mcgill Technology Limited Container with outlet
WO2003047981A3 (en) * 2001-12-06 2004-03-18 Gabriel Cabelli Hand held fluent dispensing containers
WO2003047981A2 (en) * 2001-12-06 2003-06-12 Gabriel Cabelli Hand held fluent dispensing containers
US20040011410A1 (en) * 2002-03-12 2004-01-22 Danby Hal C. Vacuum demand flow valve
US20040069350A1 (en) * 2002-03-12 2004-04-15 Danby Hal C. Vacuum demand flow valve
US20040011405A1 (en) * 2002-03-12 2004-01-22 Danby Hal C. Vacuum demand flow valve
US20050017213A1 (en) * 2002-03-12 2005-01-27 Swan Julian F.R. Valve stop
US6863261B2 (en) 2002-03-12 2005-03-08 Baxter International Inc. Valve stop
USD499793S1 (en) 2003-03-17 2004-12-14 Baxter International Inc. Valve
JP2016034855A (en) * 2013-05-16 2016-03-17 マックギル テクノロジー リミテッド Container with pouring port

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