US3217938A - Aerosol dispenser with heating device - Google Patents

Aerosol dispenser with heating device Download PDF

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Publication number
US3217938A
US3217938A US361104A US36110464A US3217938A US 3217938 A US3217938 A US 3217938A US 361104 A US361104 A US 361104A US 36110464 A US36110464 A US 36110464A US 3217938 A US3217938 A US 3217938A
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Prior art keywords
aerosol
hot water
product
heating device
chamber
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Expired - Lifetime
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US361104A
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John E Ayres
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Meda Pharmaceuticals Inc
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Carter Wallace Inc
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Priority to US361104A priority Critical patent/US3217938A/en
Priority to GB15061/65A priority patent/GB1096576A/en
Priority to SE4739/65A priority patent/SE313157B/xx
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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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/72—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant with heating or cooling devices, e.g. heat exchangers
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D27/00—Shaving accessories
    • A45D27/02—Lathering the body; Producing lather

Definitions

  • the present invention relates in general to devices for preparing and dispensing aerosol lathers in heated condition. More particularly, this invention relates to simple, practical and economical devices for preparing and dispensing heated aerosol lathers.
  • pressurized aerosol products such as shaving cream lathers, shampoo lathers, and the like
  • a number of devices which permit the dispensing of such products in a heated condition have been described.
  • Aerosol shaving lathers are usually produced from liquid compositions comprising a mixture of an aqueous soap or detergent solution and a liquefied normally gaseous propellant.
  • Such compositions when released from a valve-controlled aerosol type container yield a stable lather which can be applied directly to the skin of the user prior to shaving. Due to the expansion and evaporation of the liquefied propellant upon extrusion, the temperature of such lather is usually below room temperature and the body temperature of the user. The application of such cool lather to the body of the user is not entirely pleasant. Furthermore, the softening effect of such lather on the beard or hair of the user is reduced by the lower temperature thereof.
  • Some of the proposed devices utilize electrical means for heating a long tube through which the lather product passes after release from the aerosol container. Such use of electrical means introduces the hazards of fires and the inconvenience of electric cords.
  • the present invention relates to a device for heating a foam product as the product emerges from the outlet of a pressurized aerosol-type container, comprising:
  • outlet means for discharging the admixture consisting of foam product and hot water from said body.
  • FIG. 1 is a side elevational view of a preferred device, partly in longitudinal section.
  • FIG. 1A is a sectional view taken along the line 1A1A of FIG. 1.
  • FIG. 1 shows a preferred form of a heating device of the invention removably mounted on a standard aerosol container of a type commercially used by some manufacturers of aerosol products. It is comprised of can 10 having a suitably attached bottom, not shown in the drawing, and lid 11. Lid 11 has a central opening for discharge of product, said opening being provided with manually-operated valve means.
  • the valve means includes a diaphragm 12, preferably made of rubber or other resilient material, which is mounted between the lid 11 and the conventional dip tube 13.
  • the diaphragm 12 includes a plurality of openings 14 which are normally closed by the centrally located depending tubular portion 15 of the lid 11.
  • a valve actuator assembly not shown in the drawing, which consists of a valve button, a dispensing spout and a tubular valve actuator in actuating relationship with said bottom. customarily, the user manually depresses the valve bottom, bringing the tubular valve actuator in actuating contact with the diaphragm 12.
  • valve actuator assembly which is customarily mounted with a friction fit coaxially with the opening in lid 11, is removed prior to mounting the heating device of the invention on the aerosol container.
  • valve construction described above is conventional and it will be understood, of course, that other and different forms of valve mechanisms may be employed with the present invention.
  • the illustrated heating device includes a body 16 capacitated to hold a supply of hot water and having the general configuration of a cylindrical cup with an open top.
  • cup 16 is fashioned with a configuration generally complementary to the top of the aerosol package and includes a periphery annular flange 17 to loosely engage the upper rim 19 of the package, thus stabilizing the heating device upon mounting on the aerosol package.
  • Extending downwardly from cup 16 is centrally located tubular valve actuator 20 having an internal passageway 21 extending therethrough.
  • the tubular actuator 20 When the heating device is mounted on the package the tubular actuator 20 is slidably engaged in the tubular opening defined by the depending tubular portion of the lid 11. The lower end of the actuator, provided with a diametrically disposed slot 22, is in abutting relationship with diaphragm 12.
  • Circular disk 24 is horizontally mounted within bod 16 in close proximity to the bottom thereof and spaced therefrom by annular ridge 26 which extends from the interior side wall of body 16.
  • Chamber 23 which is defined by the bottom of the in terior section of body 16 and by circular disk 24, is interconnected to passageway 21 of tubular valve actuator 20.
  • the spaced means for conducting the foam product from chamber 23 to the upper interior. section of body 16 consists of four substantially parallel passageways 25 extending vertically through circular disk 24.
  • closure and dispensing assembly 27 comprising a horizontally-disposed foam discharge spout 28 having passageway 29 extending therethrough connecting the interior of body 16 with the atmosphere.
  • the user fills the body 16 with a supply of hot water from a hot water faucet, either before or after attaching the heating device to the aerosol package.
  • the device may be filled either through passageway 29 of spout 28 or by removing closure and dispensing assembly 27 and introducing the hot water directly into body 16.
  • the heating device when the heating device is initially attached to the aerosol package, it merely rests on top on said package and that the openings 14 of diaphragm 12, shown open in the drawings, are in a normal closed position.
  • the user presses on the top of closure and dispensing assembly 27, thus depressing the entire heating unit, including valve actuator 20, downwardly as shown in FIG. 1.
  • the propellant within the aerosol package propels the product through dip tube 13, through openings 14 of diaphragm 12, through passageway 21 in valve actuator and thence into chamber 23.
  • the foam As it enters the chamber, the foam is dispersed into four separate streams which flow in parallel through passageways into body 16 where they become intimately admixed with the hot water contained therein. The heated mixture then emerges from spout 28 through passageway 29.
  • Diaphragm 12 due to its resiliency, returns to its normal closed position by displacing valve actuator 20, and thus the entire heating unit, upwardly.
  • the devices of the present invention eliminate many of the disadvantages offered by prior art devices.
  • the present devices achieve heating of the foam product by mechanical admixture with hot water whereas the prior art teaches heating by bringing the product in heat exchange relationship with a heated surface.
  • the present devices can be constructed wholly from common plastic material having the properties of stiffness, lightness and low cost, such as poly styrene, polyethylene, and the like, and can be very compact in size.
  • a plastic device, 2 inches high and 1 inch in diameter, constructed substantially as illustrated in the drawings was found to give satisfactory results.
  • a device for heating a foam product as the product emerges from the outlet of a pressurized aerosol-type container comprising:
  • outlet means for discharging the admixture consisting of foam product and hot water from said body.
  • a device for heating a foam product as the product emerges from the outlet of a pressurized aerosol-type container comprising:

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Cookers (AREA)

Description

Nov. 16, 1955 J. E. AYRES 3,217,938
AEROSOL DISPENSER WITH HEATING DEVICE Filed April 20, 1964 2 Sheets-Sheet 1.
35:51:35 1A F A 1y i' '45 I INVENTOR. JOHN E AYRES AGENT Nov. 16', 1965 INVENTOR. JOHN E. AY RES AGENT United States Patent 3,217 938 AEROSDL DISPENSER W ITH HEATING DEVICE John E. Ayres, Mountainside, N.J., assignor to Carter- Wallace, Inc., a corporation of Maryland Filed Apr. 20, 1964, Ser. No. 361,104 2 Claims. (Cl. 222-146) The present invention relates in general to devices for preparing and dispensing aerosol lathers in heated condition. More particularly, this invention relates to simple, practical and economical devices for preparing and dispensing heated aerosol lathers.
In recent years, pressurized aerosol products, such as shaving cream lathers, shampoo lathers, and the like, have been gaining widespread recognition. More recently, a number of devices which permit the dispensing of such products in a heated condition have been described.
The advantages which can be derived by the use of such latter devices are especially obvious when such devices are used in conjunction with aerosol shaving lathers; therefore, the present invention will be described with particular reference to containers for preparing and dispensing aerosol shaving lathers, but it should be evident from the following description that the devices of the present invention are suitable for use in conjunction with a number of aerosol products, such as lather shampoos, and the like.
Aerosol shaving lathers are usually produced from liquid compositions comprising a mixture of an aqueous soap or detergent solution and a liquefied normally gaseous propellant. Such compositions, when released from a valve-controlled aerosol type container yield a stable lather which can be applied directly to the skin of the user prior to shaving. Due to the expansion and evaporation of the liquefied propellant upon extrusion, the temperature of such lather is usually below room temperature and the body temperature of the user. The application of such cool lather to the body of the user is not entirely pleasant. Furthermore, the softening effect of such lather on the beard or hair of the user is reduced by the lower temperature thereof.
The desirability of providing a heated aerosol shaving lather has been recently recognized and a number of devices have been proposed in the art to perform such function. Such prior devices, however, have been generally inefiicient and cumbersome and have failed to provide a simple, practical and economical way to solve the proposed problem.
Some of the proposed devices utilize electrical means for heating a long tube through which the lather product passes after release from the aerosol container. Such use of electrical means introduces the hazards of fires and the inconvenience of electric cords.
Other similar devices which have been proposed utilize a heating jacket around a lather discharge tube, said heating jacket being connected to a hot water tap and being supplied with a continuous flow of hot water therefrom. Due to the low heat transfer coefficients inherent to such lathers, such devices are ineffective in raising the product to temperature substantially close to the hot Water tap temperature unless a lather discharge tube of substantial length is used. The use of such. long tubes results in a breakdown of the lather due to the considerable flow resistance offered by such tubes and to the long residence time. Furthermore, a substantial volume of lather is left within the tube after the user discontinues operation of the device. This residual lather, in a compressed state due to the high fiow resistance of the heating device, will expand and ooze out of the tube outlet causing copious and prolonged afterfiow.
It is an object of the present invention to provide a device for preparing and dispensing heated aerosol foams. It is a further object of the invention to provide a simple device for preparing and dispensing heated aerosol shaving lathers, said device eliminating one or more of the disadvantages of the prior art. These and other objects will become apparent to those skilled in the art in the light of the instant specification.
In its broadest aspect, the present invention relates to a device for heating a foam product as the product emerges from the outlet of a pressurized aerosol-type container, comprising:
(a) a chamber having an inlet member interconnected with the outlet of said container;
(b) a body holding a supply of hot water;
(c) a plurality of spaced means for conducting the product from said chamber to said body; and
(d) outlet means for discharging the admixture consisting of foam product and hot water from said body.
In operation, when the foam product is extruded from the aerosol container, said product enters the chamber and then flows through the spaced means into the hot water supply, where it becomes heated by intimate mechanical admixture with the hot water. The mixture then emerges from the device through the outlet means thereof in a heated state.
The objects of the invention will be best understood from the following description of a preferred device of the invention, selected for the purpose of illustration and not of limitation, and shown in the accompanying drawing.
Referring to the drawing:
FIG. 1 is a side elevational view of a preferred device, partly in longitudinal section.
FIG. 1A is a sectional view taken along the line 1A1A of FIG. 1.
With continuing reference to the accompanying drawing, FIG. 1 shows a preferred form of a heating device of the invention removably mounted on a standard aerosol container of a type commercially used by some manufacturers of aerosol products. It is comprised of can 10 having a suitably attached bottom, not shown in the drawing, and lid 11. Lid 11 has a central opening for discharge of product, said opening being provided with manually-operated valve means.
The valve means includes a diaphragm 12, preferably made of rubber or other resilient material, which is mounted between the lid 11 and the conventional dip tube 13. The diaphragm 12 includes a plurality of openings 14 which are normally closed by the centrally located depending tubular portion 15 of the lid 11. For normal usage, such aerosol containers are provided with a valve actuator assembly, not shown in the drawing, which consists of a valve button, a dispensing spout and a tubular valve actuator in actuating relationship with said bottom. customarily, the user manually depresses the valve bottom, bringing the tubular valve actuator in actuating contact with the diaphragm 12. When the diaphragm is thus depressed, the openings 14 are no longer obstructed by the tubular portion 15 and the pressurized product is discharged from the can 10 through the dispensing spout of said valve actuator assembly. In the practice of the present embodiment of the invention, the valve actuator assembly, which is customarily mounted with a friction fit coaxially with the opening in lid 11, is removed prior to mounting the heating device of the invention on the aerosol container.
The valve construction described above is conventional and it will be understood, of course, that other and different forms of valve mechanisms may be employed with the present invention.
The illustrated heating device includes a body 16 capacitated to hold a supply of hot water and having the general configuration of a cylindrical cup with an open top.
The bottom of cup 16 is fashioned with a configuration generally complementary to the top of the aerosol package and includes a periphery annular flange 17 to loosely engage the upper rim 19 of the package, thus stabilizing the heating device upon mounting on the aerosol package. Extending downwardly from cup 16 is centrally located tubular valve actuator 20 having an internal passageway 21 extending therethrough.
When the heating device is mounted on the package the tubular actuator 20 is slidably engaged in the tubular opening defined by the depending tubular portion of the lid 11. The lower end of the actuator, provided with a diametrically disposed slot 22, is in abutting relationship with diaphragm 12.
Circular disk 24 is horizontally mounted within bod 16 in close proximity to the bottom thereof and spaced therefrom by annular ridge 26 which extends from the interior side wall of body 16.
Chamber 23, which is defined by the bottom of the in terior section of body 16 and by circular disk 24, is interconnected to passageway 21 of tubular valve actuator 20. In the illustrated device, the spaced means for conducting the foam product from chamber 23 to the upper interior. section of body 16 consists of four substantially parallel passageways 25 extending vertically through circular disk 24.
Removably fitted to the top of body 16 is closure and dispensing assembly 27 comprising a horizontally-disposed foam discharge spout 28 having passageway 29 extending therethrough connecting the interior of body 16 with the atmosphere.
In operating the illustrated device, the user fills the body 16 with a supply of hot water from a hot water faucet, either before or after attaching the heating device to the aerosol package. The device may be filled either through passageway 29 of spout 28 or by removing closure and dispensing assembly 27 and introducing the hot water directly into body 16. It is to be noted that, when the heating device is initially attached to the aerosol package, it merely rests on top on said package and that the openings 14 of diaphragm 12, shown open in the drawings, are in a normal closed position. The user then presses on the top of closure and dispensing assembly 27, thus depressing the entire heating unit, including valve actuator 20, downwardly as shown in FIG. 1. The propellant within the aerosol package propels the product through dip tube 13, through openings 14 of diaphragm 12, through passageway 21 in valve actuator and thence into chamber 23.
As it enters the chamber, the foam is dispersed into four separate streams which flow in parallel through passageways into body 16 where they become intimately admixed with the hot water contained therein. The heated mixture then emerges from spout 28 through passageway 29.
Once the user obtains the desired amount of heated product, he stops exerting downward pressure on the heating device. Diaphragm 12, due to its resiliency, returns to its normal closed position by displacing valve actuator 20, and thus the entire heating unit, upwardly.
It will be apparent to one skilled in the art that the devices of the present invention eliminate many of the disadvantages offered by prior art devices. For example, the present devices achieve heating of the foam product by mechanical admixture with hot water whereas the prior art teaches heating by bringing the product in heat exchange relationship with a heated surface. Since neither a material of construction having good heat transfer properties nor a large heat transfer surface is necessary in the practice of the invention, the present devices can be constructed wholly from common plastic material having the properties of stiffness, lightness and low cost, such as poly styrene, polyethylene, and the like, and can be very compact in size. A plastic device, 2 inches high and 1 inch in diameter, constructed substantially as illustrated in the drawings was found to give satisfactory results.
It should be understood that the invention is not limited to the details of the foregoing description and that changes and additions may be made by those skilled in the art without departing from the scope and spirit of the invention. For example, devices embodying the novel features of the invention can be permanently mounted on the aerosol package by the manufacturer.
What is claimed is:
1. A device for heating a foam product as the product emerges from the outlet of a pressurized aerosol-type container, comprising:
(a) a chamber having an inlet member interconnected with the outlet of said container;
(b) a body holding a supply of hot water;
(0) a plurality of spaced means for conducting the product from said chamber to said body into admixture with said supply of hot water; and
(d) outlet means for discharging the admixture consisting of foam product and hot water from said body.
2. A device for heating a foam product as the product emerges from the outlet of a pressurized aerosol-type container, comprising:
(a) a chamber having an inlet member interconnected with the outlet of said container;
(b) a body holding a supply of hot water;
(c) a plurality of spaced substantially parallel passageways interconnecting said chamber with said body for conducting the product from said chamber into said body and into intimate admixture with said supply of hot water; and
((1) outlet means for discharging the admixture consisting of foam product and hot water from said body.
References Cited by the Examiner UNITED STATES PATENTS 2,873,351 2/1959 Lannert 2192l4 LOUIS I. DEMBO, Primary Examiner.
ROBERT E. REEVES, Examiner.

Claims (1)

1. A DEVICE FOR HEATING A FOAM PRODUCT AS THE PRODUCT EMERGES FROM THE OUTLET OF A PRESSURIZED AEROSOL-TYPE CONTAINER, COMPRISING: (A) A CHAMBER HAVING AN INLET MEMBER INTERCONNECTED WITH THE OUTLET OF SAID CONTAINER; (B) A BODY HOLDING A SUPPLY OF HOT WATER; (C) A PLURALITY OF SPACED MEANS FOR CONDUCTING THE PRODUCT FROM SAID CHAMBER TO SAID BODY INTO ADMIXTURE WITH SAID SUPPLY OF HOT WATER; AND (D) OUTLET MEANS FOR DISCHARGING THE ADMIXTURE CONSISTING OF FOAM PRODUCT AND HOT WATER FROM SAID BODY.
US361104A 1964-04-20 1964-04-20 Aerosol dispenser with heating device Expired - Lifetime US3217938A (en)

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US361104A US3217938A (en) 1964-04-20 1964-04-20 Aerosol dispenser with heating device
GB15061/65A GB1096576A (en) 1964-04-20 1965-04-09 Improvements in or relating to heating devices for pressurised dispensing containers
SE4739/65A SE313157B (en) 1964-04-20 1965-04-12

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291346A (en) * 1964-09-02 1966-12-13 Leonard L Marraffino Hot lather shave blender
US3300095A (en) * 1965-01-21 1967-01-24 Leonard L Maraffino Plural source heated fluid mixing head
US3314572A (en) * 1964-12-31 1967-04-18 Vincent F Pungitore Dispensed liquid heating device
US3338479A (en) * 1966-04-04 1967-08-29 Leonard L Marraffino Mixing head with secondary fluid adapted for connection with discharge means of primary fluid container
US3338477A (en) * 1965-08-09 1967-08-29 Roxton C Mckinnie Aerosol can with lather heating means
US3341079A (en) * 1965-12-17 1967-09-12 Leonard L Marraffino Heating and mixing device for aerosol dispensing
US4523080A (en) * 1983-03-14 1985-06-11 Bolton John D Apparatus for treatment of hair and scalp
US5060829A (en) * 1990-01-22 1991-10-29 Evans Glen R Product conditioning unit
US6655552B2 (en) 2000-08-09 2003-12-02 Aiken Industries, Inc. Heating and dispensing fluids

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873351A (en) * 1958-03-14 1959-02-10 Lannert Paul Outlet heater for aerosol-type dispenser

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873351A (en) * 1958-03-14 1959-02-10 Lannert Paul Outlet heater for aerosol-type dispenser

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291346A (en) * 1964-09-02 1966-12-13 Leonard L Marraffino Hot lather shave blender
US3314572A (en) * 1964-12-31 1967-04-18 Vincent F Pungitore Dispensed liquid heating device
US3300095A (en) * 1965-01-21 1967-01-24 Leonard L Maraffino Plural source heated fluid mixing head
US3338477A (en) * 1965-08-09 1967-08-29 Roxton C Mckinnie Aerosol can with lather heating means
US3341079A (en) * 1965-12-17 1967-09-12 Leonard L Marraffino Heating and mixing device for aerosol dispensing
US3338479A (en) * 1966-04-04 1967-08-29 Leonard L Marraffino Mixing head with secondary fluid adapted for connection with discharge means of primary fluid container
US4523080A (en) * 1983-03-14 1985-06-11 Bolton John D Apparatus for treatment of hair and scalp
US5060829A (en) * 1990-01-22 1991-10-29 Evans Glen R Product conditioning unit
EP0538528A1 (en) * 1990-01-22 1993-04-28 Glen R Evans Apparatus for heating and moisturising shaving cream
US6655552B2 (en) 2000-08-09 2003-12-02 Aiken Industries, Inc. Heating and dispensing fluids

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GB1096576A (en) 1967-12-29
SE313157B (en) 1969-08-04

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