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US2143661A - Dispensing head for collapsible tubes - Google Patents

Dispensing head for collapsible tubes Download PDF

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Publication number
US2143661A
US2143661A US19205638A US2143661A US 2143661 A US2143661 A US 2143661A US 19205638 A US19205638 A US 19205638A US 2143661 A US2143661 A US 2143661A
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Prior art keywords
dispensing
tube
material
paste
opening
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Expired - Lifetime
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Arthur W Schrader
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Arthur W Schrader
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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
    • B65D35/00Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
    • B65D35/40Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices for metering discharge
    • 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

Description

A. W. SCHRADER DISPENSING HEAD FOR COLLAPSIBLE TUBES Jan. 10, 1939.

Filed Feb. 25, 1958 #rf/mr M Sc/z rader.

Patented Jan. 10, 1939 UNITED STATES 2,143,661 DISPENSING HEAD FOR COLLAPSIBLE TUBES Arthur W. Schrader, Longmont, Colo.

Application February 23, 1938, Serial No. 192,056 Claims. (Cl. 221-60) This invention relates to improvements in paste dispensing devices and has reference more particularly to an attachment that can be readily applied to and removed from an ordinary collapsible tube of the type in which tooth paste, shaving cream and similar articles are sold.

Pastes of different kinds are frequently dispensed in collapsible metal tubes provided with screw caps and when a portion is desired the cap is removed and the tube squeezed until the requiredamount of paste is extruded.

Pastes have a way of flowing over the edge of .the tubular neck and onto the sides and into the threads, which leaves the whole dispensing end smeared. Caps have a very annoying tendency for getting lost and attempts have been made to anchor them to the tubes when they are not in use. The dispensing opening in the ordinary tube is also quite large with the result that more paste is extruded than necessary, which is wasteful and sometimes annoying.

It is the object of this invention to produce an attachment, in the form of a hollow pear shaped member of rubber or rubber-like material having an internally threaded inlet opening at one end that can be screwed onto the discharge nipple of the collapsible tube. The wall of the chamber is provided with a discharge slit, preferably located at the tip, which is normally closed but which opens in response to internal pressure. A flap valve, or other form of check valve, is provided at the inlet opening and so arranged that it'opens to permit paste to enter but closes in response to internal pressure.

Another object is to provide a two compartment paste containing and dispensing container having compartments of different capacities that stores the paste in the larger compartment until the material in the smaller compartment has been dispensed, or until'it is desired that more material shall be transferred from the larger to the smaller compartment, and which in addition does not permit material to be transferred from thesmaller to the larger compartment.

Another object is to produce a dispensing device of the kind pointed out that will be self seal- ,ing and easily kept clean.

The above and any other objects that may become apparent as this description proceeds are attained by means of a construction and an arrangement of parts that will now be described in detail and reference for this purpose will be had to the accompanying drawing in which the invention has been illustrated and in which:

Figure l is a 'view showing the collapsible tube in elevationand the smaller or dispensing compartment in section;

Figure 2 is a side elevation, partly in section, showing the dispensing container detached from the collapsible tube;

Figure 3 is a section taken on line 3-3 Fig. 1; and

Figure 4 is a section taken on line 4-4 Fig. 1.

In the drawing reference numeral 5 designates an ordinary collapsible metal tube having a tubular discharge nipple 6 whose outer surface is threaded. Such tubes are usually provided with screw caps of well known construction. In Figure 1 the usual screw cap has been removed and replaced by the dispensing attachment that forms the subject of this invention and which will now be described. The dispensing device consists of a hollow member 7 which is preferably made from rubber so compounded and heat treated that it is tough and flexible and has sufiicient elasticity to resume its original shape after it has-been distorted by external pressure. The hollow member may be of almost any shape and size but has been illustrated as pear shaped, terminating in a wedge like tip 8, somewhat as shown in Fig. 4. The extreme tip is cut with a sharp instrument so as to provide a slit 9 that is normally closed and which acts as a check valve, permitting material to flow outwardly in response to internal pressure but closing more firmly in response to an outside pressure.

Moulded in the base of member I is a cap l0 which is shaped like the ordinary screw cap that is used as closures for this kind of tube. Gap in may be made of metal, hard rubber, Bakelite, Duprene-or any other suitable material, preferably one to which the rubber of member 7 will vulcanize. Cap I0 is provided with an opening II, which has been shown as of the same size as the opening in the discharge nipple. It will be observed that the material of which the member I is made completely covers the outer end of the cap Ill and that a flap I2 is formed by an arcuate bevel cut l3. Flap l2 functions as a check valve and seats in response to internal pressure. 1

Attention is directed in particular to the check valve construction and to the fact that it operates positively to prevent material from returning to the tube as distinguished from valves that move to open position when pressure is applied to the wall to expel material.

Let us now assume that the tube .5 is filled with a semi-liquid or a paste, the nature of which is pletely filled with paste, the air will first escape through slit 9, after which paste will be extruded in aflat thin ribbon. If the paste is tooth paste it is deposited directly on the bristles of a tooth brush and all of the paste is wiped from" the tip of the dispenser. The pressure on the side of member 1 is now released, whereupon it tends to resume its original form. The slit 8 does not permit air to enter and the wall therefore expands until the difference in the pressure on the insideand on the outside prevents fur.- ther expansion. Chamber B is hermetically sealed and there is no tendency for its contents to flow outwardly, wherefore the tube can be carried in a satchel along with clothes without any danger of soiling them. Unless chamber B is completely fllled with paste a considerable reduction in volume is necessary to extrude any paste therefrom.

The paste in chamber B can be almost entirely used up before any more needs to be transferred from the tube.

Particular attention is directed to the flap or check valve i2 which prevents material from flow'ing back into tube 5 as this assures a progressive outward flow of the material and also assures that none of it will be returned to the tube. This is particularly valuable if the device is used to dispense mucilage glue or adhesive pastes which have a tendency to prevent the slit from opening, and is desirable with all materials.

It is also possible to flll the chamber B and remove it from the tube 5, which is often a great convenience where the tube 5 is large.

The device described can be manufactured in quantities and sold independently of the tube 5, to which it may be afterwards attached. The cleanliness of this attachment, and the economical manner in which pastes may be dispensed by it recommends it to the users of tooth pastes, shaving creams and analogous articles and also for the dispensing of glue and other adhesives. Having described the invention what is claimed is:

1. In a dispensing device for pastes, in combination, a collapsible tube having a discharge opening at one end, a hollow dispensing head of flexible material attached to the tube, the dispensing head having a normally closed discharge slit, the interior of the dispensing head being in communication with the interior of the tube through the discharge opening, and a check valve in the passage from the tube to the interior of the discharge head, said valve permitting material to flow from the tube to the interior of the dispensing head when the tube is collapsed but not in the reverse direction when the dispensing head is compressed.

2. A paste dispensing device comprising two collapsible containers of diiferent capacities, whose interiors are in communication through an opening of restricted area, the smaller container being formed from flexible resilicnt material, the wall of the smaller container having a discharge opening, and a check valve device in the communicating opening that permits material to flow from the larger to the smaller container when the volume of the larger container is reduced but prevents it from flowing in the opposite direction when the smaller container is reduced in volume.

3. A dispensing head for use with collapsible tubes containing paste-like materials, comprising a hollow member of flexible resilient material, the wall of said member having an inlet opening and spaced therefrom a normally closed outlet opening, and a check valve associated with the inlet opening, the check valve being arranged to permit material to enter and to close when the wall of the hollow member is compressed whereby the contents will be forced to leave through the outlet opening only.

4. A dispensing head for use with collapsible tubes containing a paste-like material and provided with an externally threaded discharge nozzle, comprising a hollow member of flexible resilient material having the characteristics of rubber, one end having an inlet opening having means for effecting a connection with the threaded discharge nozzle, a check valve associated with the intake opening arranged to close in response to internal pressure when the hollow member is compressed, the dispensing head having a normally closed discharge slit arranged to open in response to internal pressure.

5. A dispensing head for use with collapsible tubes containing a. paste-like material and provided with an externally threaded discharge nozzle, comprising a hollow member of flexible resilient material having the characteristics of rubber, one end having an inlet opening whose inner surface is provided with threads for effecting a threaded connection with the discharge nozzle, a check valve means associated with the inlet opening-which opens to permit material to enter but which closes in response to internal pressure resulting from an inward movement of the wall, the dispensing head having a normally closed discharge slit that opens in response to internal pressure.

' ARTHUR W. SCHRADER.

US2143661A 1938-02-23 1938-02-23 Dispensing head for collapsible tubes Expired - Lifetime US2143661A (en)

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Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2522864A (en) * 1948-06-21 1950-09-19 Groff Mark E De Bottle closure
US2642041A (en) * 1951-01-18 1953-06-16 Miessner Inventions Inc Antileak fountain pen
US2750084A (en) * 1952-09-11 1956-06-12 James G Moran Liquid and semi-liquid dispensing containers
US2894530A (en) * 1955-06-07 1959-07-14 Harold A Stevens Vent cap for gasoline tanks and the like
US2939615A (en) * 1957-07-11 1960-06-07 Gillette Co Dispenser
US2942762A (en) * 1957-04-08 1960-06-28 Fahr Morris Dispenser for toilet lotions
US2953132A (en) * 1955-10-27 1960-09-20 Baxter Laboratories Inc Parenteral solution equipment
US2957501A (en) * 1958-08-25 1960-10-25 Burroughs Wellcome Co Device for dispensing muscle relaxant drugs
US3127073A (en) * 1964-03-31 Dispensing device
US3128919A (en) * 1964-04-14 Liquid measuring and dispensing device
US3172575A (en) * 1962-02-12 1965-03-09 Weber Marking Systems Inc Fluid dispenser
US3241726A (en) * 1964-06-08 1966-03-22 Frank R Chester Resilient valved diaphragm for comminuted material dispenser
US3338475A (en) * 1964-10-09 1967-08-29 Berthen Ag Basel Dispenser for liquids and creams
US3451597A (en) * 1967-08-24 1969-06-24 Cornelius B Watson Jr Container-dispenser with integral pump
US3768705A (en) * 1971-09-13 1973-10-30 Spatz Corp Dispensers for fluent masses
US3881529A (en) * 1972-12-06 1975-05-06 Colgate Palmolive Co Striped toothpaste fill nozzle
US3902815A (en) * 1974-04-01 1975-09-02 Liquid Paper Corp Positive displacement dispenser
DE2517793A1 (en) * 1974-04-26 1975-11-06 Billy Nilson Pack having two chambers,
US3952782A (en) * 1973-11-28 1976-04-27 Colgate-Palmolive Company Apparatus for filling containers with composite fluent material
DE2831913A1 (en) * 1978-07-20 1980-01-31 Mueller S Muehle Liq. container for concentrated sweetening agent - has snap-action diaphragm in side, for dispensing measured amount
US4252257A (en) * 1978-10-10 1981-02-24 Herzig Albert M Automatic closure for containers having a pinch-off fold
DE1786644C2 (en) * 1968-03-20 1981-12-10 American Can Co., Greenwich, Conn., Us
US4798313A (en) * 1987-07-27 1989-01-17 Farley Brent L Elastomeric bladder for dispensing ice cream
EP0395754A1 (en) * 1988-11-08 1990-11-07 Ortho Pharma Corp Dosing cap.
US5810203A (en) * 1991-11-08 1998-09-22 Novapharm Research Pty. Limited Pressure dispensing pump
US5855302A (en) * 1996-12-18 1999-01-05 Georgia-Pacific Corporation Liquid dispensing cap valve assembly with pedestal mounted resilient valve seal element
US5860541A (en) * 1994-10-12 1999-01-19 Robert Dymock McIntyre Teat with relaxed inlet valve
US5975373A (en) * 1997-07-21 1999-11-02 Starplex Scientific Liquid sample collection and transport system
US20020158083A1 (en) * 1991-12-06 2002-10-31 Brown Paul E. Dispensing valve
FR2836345A1 (en) * 2002-02-26 2003-08-29 Techpack Int Rolling ball applicator e.g. for cosmetic product has linked lower and upper chambers linked by channel with one-way flow
FR2900393A1 (en) * 2006-04-26 2007-11-02 Plastohm Division Emballages S Liquid delivering system for use in packaging element, has strip locked in closure by moving cap until recess is no longer opposite to cap, where cap is clipped onto base element, and base element furnished with cap
FR2900394A1 (en) * 2006-04-26 2007-11-02 Plastohm Division Emballages S anti-seepage delivery system of a packaged product, and the packaging comprising
FR2972430A1 (en) * 2011-03-11 2012-09-14 Georges Koussouros Packaging device for packing expeller type device e.g. tube, has containers detachably interconnected to each other, where one of containers includes closure unit for closing opening of other container

Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128919A (en) * 1964-04-14 Liquid measuring and dispensing device
US3127073A (en) * 1964-03-31 Dispensing device
US2522864A (en) * 1948-06-21 1950-09-19 Groff Mark E De Bottle closure
US2642041A (en) * 1951-01-18 1953-06-16 Miessner Inventions Inc Antileak fountain pen
US2750084A (en) * 1952-09-11 1956-06-12 James G Moran Liquid and semi-liquid dispensing containers
US2894530A (en) * 1955-06-07 1959-07-14 Harold A Stevens Vent cap for gasoline tanks and the like
US2953132A (en) * 1955-10-27 1960-09-20 Baxter Laboratories Inc Parenteral solution equipment
US2942762A (en) * 1957-04-08 1960-06-28 Fahr Morris Dispenser for toilet lotions
US2939615A (en) * 1957-07-11 1960-06-07 Gillette Co Dispenser
US2957501A (en) * 1958-08-25 1960-10-25 Burroughs Wellcome Co Device for dispensing muscle relaxant drugs
US3172575A (en) * 1962-02-12 1965-03-09 Weber Marking Systems Inc Fluid dispenser
US3241726A (en) * 1964-06-08 1966-03-22 Frank R Chester Resilient valved diaphragm for comminuted material dispenser
US3338475A (en) * 1964-10-09 1967-08-29 Berthen Ag Basel Dispenser for liquids and creams
US3451597A (en) * 1967-08-24 1969-06-24 Cornelius B Watson Jr Container-dispenser with integral pump
DE1786644C2 (en) * 1968-03-20 1981-12-10 American Can Co., Greenwich, Conn., Us
US3768705A (en) * 1971-09-13 1973-10-30 Spatz Corp Dispensers for fluent masses
US3881529A (en) * 1972-12-06 1975-05-06 Colgate Palmolive Co Striped toothpaste fill nozzle
US3952782A (en) * 1973-11-28 1976-04-27 Colgate-Palmolive Company Apparatus for filling containers with composite fluent material
US3902815A (en) * 1974-04-01 1975-09-02 Liquid Paper Corp Positive displacement dispenser
DE2517793A1 (en) * 1974-04-26 1975-11-06 Billy Nilson Pack having two chambers,
DE2921204A1 (en) * 1978-07-20 1980-11-27 Mueller S Muehle Liq. container for concentrated sweetening agent - has snap-action diaphragm in side, for dispensing measured amount
DE2831913A1 (en) * 1978-07-20 1980-01-31 Mueller S Muehle Liq. container for concentrated sweetening agent - has snap-action diaphragm in side, for dispensing measured amount
US4252257A (en) * 1978-10-10 1981-02-24 Herzig Albert M Automatic closure for containers having a pinch-off fold
US4798313A (en) * 1987-07-27 1989-01-17 Farley Brent L Elastomeric bladder for dispensing ice cream
EP0395754A4 (en) * 1988-11-08 1991-04-17 Ortho Pharmaceutical Corporation Dosing cap
EP0395754A1 (en) * 1988-11-08 1990-11-07 Ortho Pharma Corp Dosing cap.
US5810203A (en) * 1991-11-08 1998-09-22 Novapharm Research Pty. Limited Pressure dispensing pump
US7077296B2 (en) 1991-12-06 2006-07-18 Aptargroup, Inc. Dispensing valve
US20020158083A1 (en) * 1991-12-06 2002-10-31 Brown Paul E. Dispensing valve
US5860541A (en) * 1994-10-12 1999-01-19 Robert Dymock McIntyre Teat with relaxed inlet valve
US5855302A (en) * 1996-12-18 1999-01-05 Georgia-Pacific Corporation Liquid dispensing cap valve assembly with pedestal mounted resilient valve seal element
US5971223A (en) * 1996-12-18 1999-10-26 Georgia-Pacific Corporation Liquid dispenser and cap valve assembly therefor
US5975373A (en) * 1997-07-21 1999-11-02 Starplex Scientific Liquid sample collection and transport system
FR2836345A1 (en) * 2002-02-26 2003-08-29 Techpack Int Rolling ball applicator e.g. for cosmetic product has linked lower and upper chambers linked by channel with one-way flow
FR2900393A1 (en) * 2006-04-26 2007-11-02 Plastohm Division Emballages S Liquid delivering system for use in packaging element, has strip locked in closure by moving cap until recess is no longer opposite to cap, where cap is clipped onto base element, and base element furnished with cap
FR2900394A1 (en) * 2006-04-26 2007-11-02 Plastohm Division Emballages S anti-seepage delivery system of a packaged product, and the packaging comprising
WO2007128889A1 (en) * 2006-04-26 2007-11-15 Plastohm Sa Anti-oozing packaged product dispensing system, and packaging comprising same
FR2972430A1 (en) * 2011-03-11 2012-09-14 Georges Koussouros Packaging device for packing expeller type device e.g. tube, has containers detachably interconnected to each other, where one of containers includes closure unit for closing opening of other container

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