US3387379A - Method for drying and treating hair or other natural fibers via ultrasonics - Google Patents
Method for drying and treating hair or other natural fibers via ultrasonics Download PDFInfo
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- US3387379A US3387379A US486881A US48688165A US3387379A US 3387379 A US3387379 A US 3387379A US 486881 A US486881 A US 486881A US 48688165 A US48688165 A US 48688165A US 3387379 A US3387379 A US 3387379A
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- 239000000835 fiber Substances 0.000 title claims description 59
- 238000000034 method Methods 0.000 title claims description 30
- 210000004209 hair Anatomy 0.000 title description 61
- 238000001035 drying Methods 0.000 title description 15
- 239000012736 aqueous medium Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 description 14
- 238000009736 wetting Methods 0.000 description 9
- 230000000452 restraining effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000012530 fluid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000006219 Matteson homologation reaction Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- 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
- A45D20/00—Hair drying devices; Accessories therefor
Definitions
- the present invention relates to a method and apparatus for drying and treating hair or other natural fibers. More specifically, this invention involves novel methods and apparatus for using ultrasonic energy in the drying and treating of hair and other natural fibers so as to produce a predetermined set therein.
- This application includes subject matter in common with and is a continuation-inpart of my co-pending application for US. Letters Patent Ser. No. 190,924 filed Apr. 30, 1962, now Patent No. 3,211,159 for Ultrasonic Method and Apparatus for Treating Natural and Synthetic Fibers.
- Ultrasonics is defined as a general term referring to the generation, detection, and/ or utilization of vibratory mechanical energy, usually but not necessarily beyond the audible range.
- one of the objects of the present invention is to provide a novel method of treating natural fibers which avoids the deficiencies of the prior art and produces a selected degree of lasting results.
- a further object of the invention is to provide a novel and rapid method of treating natural fibers which avoids the use of strong chemical treating agents and provides positive results.
- Another object of the present invention is to provide a novel method of drying hair or other natural fibers.
- Another object of the invention is to provide a novel method of curling natural fibers including hair.
- a still further object of the present invention is to provide new and improved apparatus for carrying out the novel methods.
- the method of treating hair or other natural fibers with ultrasonic energy comprises wetting the hair with an aqueous media, such as water, and arranging the hair or other natural fibers and forcibly restraining same in a predetermined configuration, The fibers are then contacted with a fluid stream which is modulated at an ultrasonic frequency by the application of ultrasonic energy thereto, in a manner to be later explained, whereby the fibers so treated will selectively remain indefinitely in the predetermined configuration on removal of the restraining force.
- the invention has been found to have particular utility and efficiency in the curling and decurling of human hair. It has additionally been found that modulating a heated air stream in the ultrasonic range in connection with hair drying produces a much more rapid and efficient drying of the hair.
- FIGURE 1 is a partly schematic and partly a plan view 3331379 Patented June 11, 1968 of one embodiment of the apparatus in accordance with this invention
- FIGURE 2 is a view in section of one form of the whistle which may be used in this invention for ultrasonically modulating the heated air;
- FIGURE 3 is a diagrammatic view of the modulated air stream as it is believed it would appear on impinging the hair;
- FIGURE 4 is a schematic view, with parts broken away to conserve space, of the apparatus shown in FIGURE 1 wherein the outlet end of the conduit is provided with a plurality of whistles mounted in the conduit;
- FIGURE 5 is a schematic view, with parts broken away to conserve space, of the apparatus shown in FIG- URE 1, wherein the conduit is divided into several channels each provided with a whistle;
- FIGURE 6 is a view in cross-section along line 6-6 of FIGURE 2.
- the apparatus includes an air blower and heating device indicated as 10.
- This may be merely a portable hair drying apparatus or it may be any of the large air heating devices used com brightally, adapted to produce a heated or non-heated fluid stream.
- the fan 12 with its blades 14 are rotatably mounted within the housing 18 on the hub 16 and are rotated thereon by a suitable electric motor and the like, not shown.
- the housing 18 opens into an elongated conduit 2t) and within the conduit is mounted a heating element 22 that heats the air which is forced past the heater 22 by the aforesaid fan 12.
- the type of heating element is not critical, however, it may be an asbestos board 24 around which are wound high resistance heating wires 26 through which an electric current is passed from a suitable current source.
- a suitable whistle means 28, to be described in detail hereinafter, is mounted in the conduit 2t) downstream of the heating element and is preferably actuated by a relatively high pressure external source of air. The purpose of the whistle means 28 is to produce ultrasonic modulation in the heated air stream passing through the conduit Zll prior to its leaving the air heating device it) at the exit 30. It will be noted that the whistle, which may also be a series of whistles, is mounted downstream of the heating element in order to provide the proper efficiency in the ultrasonic modulation of the heated air stream which ultimately will contact the hair fibers.
- the desired modulated elfect of the air would be substantially diminished by the presence of element 22 in the modulated air stream in passsing through the conduit 20.
- the modulated air after leaving the conduit is then directed against the wet prearranged hair fibers 32 wound or constrained on a suitable form 33.
- the hair fibers are rapidly dried and thereafter substantially maintain their predetermined configuration for an indefinite period of time.
- a plurality of Whistles indicated as 28a, I), c, d and e are positioned in the conduit 20 downstream to the heating element 22 and mounted in a suitable manner.
- the principal requirements of the whistles are that they emit ultrasonic vibrations so that the heated air stream is properly modulated.
- the several whistles may emit ultrasonic vibrations at the same frequency or, if desired, they may emit ultrasonic vibrations at different frequencies as may be required for best results.
- whistle 28a may emit vibrations which modulate the air stream at 15 kilocycles, whistle 28b at 20 kilocycles, whistle 28c at 22 kilocycles, whistle 28d at 25 kilocycles and whistle 28@ at 27 kilocycles.
- the only major requirement of the frequency of the ultrasonic energy created when the whistles are actuated is that it should be above the audible range.
- the frequencies best suited for a particular hair fiber may be readily determined by experimental treatment thereof. Different frequency combinations may be made use of by substitution of whistles of different frequencies.
- the fan 12 with its blades 14 rotatably mounted in the housing 18 on the hub 16 forces air into the elongated conduit 20 past the heating element 22 and is then modulated to the desired frequency by the series of whistles 28a, b, c, d and e after which it leaves the apparatus at the exit 30.
- the thus modulated air is directed against the wet constrained hair fibers in order to rapidly dry the hair fibers so that they will indefinitely retain their predetermined configuration.
- the conduit 20 is separated into several separate independent channels 31a, b and c, posterior of the heating device 22.
- Each channel contains a suitable Whistle 28 g and h, mounted therein. All of the whistles are actuated by a high pressure air, the source of which is not shown.
- the several whistle means may also emit ultrasonic vibrations at different frequencies as may be required for best results.
- the whistle means utilized by this invention is shown in FIGURES 2 and 6 and is of the stem-jet variety comprising a tube 34 having an inlet 36 and an outlet 38 tapered to a smaller diameter.
- a perforated plate 40 is positioned within the tube supporting a stem 42 which protrudes axially from the outlet 38.
- a cup 44 is axially supported on stem 42 with the opening thereof in opposed relation to outlet 38 to form an annular slot 46.
- a bell collar 48 is positioned on tube 34 near the outlet end thereof with the bell opening being directed opposite the opening of cup 44.
- the edges of the tube at the outlet and at the edge of the cup 44 are tapered to a knife edge.
- This type of whistle is very efiicient and produces the necessary ultrasonic frequencies with a minimum volume of air.
- the size of the Whistle and the positioning of cup 44 relative to outlet 38 determine the frequency of a particular whistle.
- the air stream passing through conduit 20 is modulated at the frequency or frequencies of the whistles mounted thereon.
- strands of aqueously treated or wetted fibers, including hair, which are to be dried are forcibly restrained in a predetermined arrangement by a suitable means, and then are subjected to the heated ultrasonic modulated air stream emitted from conduit 20 via exit 30.
- a modulated air stream in the ultrasonic range will considerably hasten the drying effect without any deterioration of the individual hair fibers.
- the hair fibers will tend to remain indefinitely in the predetermined configuration in which they were arranged after being subjected to the aforesaid ultransonic modulated air stream during the drying thereof. This configuration will tend to be retained even though the fibers are later washed, bleached or subjected to other types of treatment.
- the process of the invention utilizing an ultrasonically modulated air stream operates to more efiiciently dry the hair and other natural fibers.
- the modulated air contains low pressure zones 54a, b, c interspersed with higher pressure zones 52a, b, c and the repeated application of the low pressure zones to the wet hair fibers will tend to lift the scales located on the exterior surface of all individual hair fibers and thereby permit the easy and rapid vaporization of the water. It should be noted that when any heated air is applied to a wet hair fiber the moisture is removed therefrom by evaporation.
- the scales located on the exterior sides of all natural hair fibers tend to resist the removal of evaporated water and locks or bars the easy exit from the hair fibers of any water therein. It is only with the repeated application of the low pressure zones which occur in the modulated air as specified in this invention to the wet hair fibers that the aforesaid scales are lifted away from the exterior sides of the individual hairs and thereby will remove the obstacles which prevent the easy. exit of the water therein and accordingly will cut the required drying time to an absolute minimum.
- the hair may be wetted again and constrained in the desired manner after which the properly modulated and heated air is applied thereto. This will again reorient the molecular structure of the individual hair fibers and result in a substantially permanent curling configuration of the hair.
- the air entering whistle 28 may be heated to provide the source of heated air or in addition to that from blower and heating device 10'.
- the method of treating natural fibers comprising the steps of arranging the fibers into a predetermined configuration, wetting the fibers with an aqueous medium and subjecting same to a stream of fluid which is modulated at ultrasonic frequencies.
- the method of treating natural fibers comprising the steps of Wetting the fibers with an aqueous medium, arranging said fibers into a predetermined configuration, and subjecting same to an air stream modulated at ultrasonic frequencies.
- the method of treating human hair comprising the steps of wetting the hair with water, arranging the hair and forcibly restraining same in a predetermined configuration, and then contacting said hair with a heated air stream modulated at ultrasonic frequencies, said frequencies being above the audible range.
- the method of drying wetted natural fibers which comprises the steps of modulating an air stream at ultrasonic frequencies and impinging the modulated air stream on the wet fibers.
- the method of curling human hair which comprises the steps of Wetting the hair with an aqueous medium, arranging the hair and forcibly restraining same in a predetermined configuration and then subjecting said hair to an air stream modulated at ultrasonic frequencies above the audible range.
- the method of curling human hair which comprises the steps of Wetting the hair with a Water medium, arranging the hair and forcibly restraining same in a predetermined configuration and then subjecting said hair to a heated air stream modulated at ultrasonic frequencies above the audible range.
- the method of curling human hair which comprises 6 the steps of wetting the hair with an aqueous medium, arranging the hair and forcibly restraining same in a predetermined configuration and then impinging a heated air stream modulated at ultrasonic frequencies on the wet hair fibers.
- the method of curling natural fibers comprising Wetting the fibers, forcibly restraining the fibers in a desired configuration and subjecting same to a heated air stream modulated at ultrasonic frequencies.
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- Chemical Or Physical Treatment Of Fibers (AREA)
Description
June 11, 1968 R. W. GOBLE METHOD FOR DRYING AND TREATING HAIR OR OTHER NATURAL FIBERS VIA ULTRASONICS Original Filed July 23,
dwac 176. 3.
INVENTOR. RALPH W. GOBLE ATTORNEYS United States Patent METHOD FOR DRYING AND TREATING HAIR OR OTHER NATURAL FIBERS VllA ULTRASGI JIQS Ralph W. Gohle, Boulder, Colo., assignor to Engineering 8: Development Company of Colorado, Boulder, (Iolo., a corporation of Colorado Division of application Ser. No. 297,162, July 23, 1963,
now Patent No. 3,254,424, dated (lune 7, 1966. Continuation-impart of application Ser. No. 190,924, Apr. 30, 1962. This application Sept. 13, 1965, Ser. No. 486,881
14 Claims. (Cl. 34-3) This application is a division of my application S.N. 297,162 filed July 23, 1963, now Patent No. 3,254,424.
The present invention relates to a method and apparatus for drying and treating hair or other natural fibers. More specifically, this invention involves novel methods and apparatus for using ultrasonic energy in the drying and treating of hair and other natural fibers so as to produce a predetermined set therein. This application includes subject matter in common with and is a continuation-inpart of my co-pending application for US. Letters Patent Ser. No. 190,924 filed Apr. 30, 1962, now Patent No. 3,211,159 for Ultrasonic Method and Apparatus for Treating Natural and Synthetic Fibers.
Ultrasonics is defined as a general term referring to the generation, detection, and/ or utilization of vibratory mechanical energy, usually but not necessarily beyond the audible range.
While various methods and apparatus have been employed for treating and drying of hair, much of the prior art has been found to be deficient in one way or another. Most of the present methods and apparatus are slow, laborious, not too effective and require the use of reagents which may damage the fibers being treated.
Accordingly, one of the objects of the present invention is to provide a novel method of treating natural fibers which avoids the deficiencies of the prior art and produces a selected degree of lasting results.
A further object of the invention is to provide a novel and rapid method of treating natural fibers which avoids the use of strong chemical treating agents and provides positive results.
Another object of the present invention is to provide a novel method of drying hair or other natural fibers.
Another object of the invention is to provide a novel method of curling natural fibers including hair.
A still further object of the present invention is to provide new and improved apparatus for carrying out the novel methods.
According to the present invention, the method of treating hair or other natural fibers with ultrasonic energy comprises wetting the hair with an aqueous media, such as water, and arranging the hair or other natural fibers and forcibly restraining same in a predetermined configuration, The fibers are then contacted with a fluid stream which is modulated at an ultrasonic frequency by the application of ultrasonic energy thereto, in a manner to be later explained, whereby the fibers so treated will selectively remain indefinitely in the predetermined configuration on removal of the restraining force. The invention has been found to have particular utility and efficiency in the curling and decurling of human hair. It has additionally been found that modulating a heated air stream in the ultrasonic range in connection with hair drying produces a much more rapid and efficient drying of the hair.
Other objects and advantages of the invention will become apparent from the description thereinaiter following and the drawings forming a part hereof, in which:
FIGURE 1 is a partly schematic and partly a plan view 3331379 Patented June 11, 1968 of one embodiment of the apparatus in accordance with this invention;
FIGURE 2 is a view in section of one form of the whistle which may be used in this invention for ultrasonically modulating the heated air;
FIGURE 3 is a diagrammatic view of the modulated air stream as it is believed it would appear on impinging the hair;
FIGURE 4 is a schematic view, with parts broken away to conserve space, of the apparatus shown in FIGURE 1 wherein the outlet end of the conduit is provided with a plurality of whistles mounted in the conduit;
FIGURE 5 is a schematic view, with parts broken away to conserve space, of the apparatus shown in FIG- URE 1, wherein the conduit is divided into several channels each provided with a whistle; and
FIGURE 6 is a view in cross-section along line 6-6 of FIGURE 2.
Referring now to FIGURE 1, the apparatus includes an air blower and heating device indicated as 10. This may be merely a portable hair drying apparatus or it may be any of the large air heating devices used com mercially, adapted to produce a heated or non-heated fluid stream. The fan 12 with its blades 14 are rotatably mounted within the housing 18 on the hub 16 and are rotated thereon by a suitable electric motor and the like, not shown. The housing 18 opens into an elongated conduit 2t) and within the conduit is mounted a heating element 22 that heats the air which is forced past the heater 22 by the aforesaid fan 12. The type of heating element is not critical, however, it may be an asbestos board 24 around which are wound high resistance heating wires 26 through which an electric current is passed from a suitable current source. A suitable whistle means 28, to be described in detail hereinafter, is mounted in the conduit 2t) downstream of the heating element and is preferably actuated by a relatively high pressure external source of air. The purpose of the whistle means 28 is to produce ultrasonic modulation in the heated air stream passing through the conduit Zll prior to its leaving the air heating device it) at the exit 30. It will be noted that the whistle, which may also be a series of whistles, is mounted downstream of the heating element in order to provide the proper efficiency in the ultrasonic modulation of the heated air stream which ultimately will contact the hair fibers. If the whistle means were to be mounted upstream of the heating element, the desired modulated elfect of the air would be substantially diminished by the presence of element 22 in the modulated air stream in passsing through the conduit 20. The modulated air after leaving the conduit is then directed against the wet prearranged hair fibers 32 wound or constrained on a suitable form 33. The hair fibers are rapidly dried and thereafter substantially maintain their predetermined configuration for an indefinite period of time.
In a further embodiment of the invention shown in FIGURE 4, a plurality of Whistles indicated as 28a, I), c, d and e are positioned in the conduit 20 downstream to the heating element 22 and mounted in a suitable manner. The principal requirements of the whistles are that they emit ultrasonic vibrations so that the heated air stream is properly modulated. The several whistles may emit ultrasonic vibrations at the same frequency or, if desired, they may emit ultrasonic vibrations at different frequencies as may be required for best results. For example, whistle 28a may emit vibrations which modulate the air stream at 15 kilocycles, whistle 28b at 20 kilocycles, whistle 28c at 22 kilocycles, whistle 28d at 25 kilocycles and whistle 28@ at 27 kilocycles. The only major requirement of the frequency of the ultrasonic energy created when the whistles are actuated is that it should be above the audible range. The frequencies best suited for a particular hair fiber may be readily determined by experimental treatment thereof. Different frequency combinations may be made use of by substitution of whistles of different frequencies. Therefore, it is seen that in this embodiment, the fan 12 with its blades 14 rotatably mounted in the housing 18 on the hub 16 forces air into the elongated conduit 20 past the heating element 22 and is then modulated to the desired frequency by the series of whistles 28a, b, c, d and e after which it leaves the apparatus at the exit 30. The thus modulated air is directed against the wet constrained hair fibers in order to rapidly dry the hair fibers so that they will indefinitely retain their predetermined configuration.
In another embodiment of the invention as shown in FIGURE 5, the conduit 20 is separated into several separate independent channels 31a, b and c, posterior of the heating device 22. Each channel contains a suitable Whistle 28 g and h, mounted therein. All of the whistles are actuated by a high pressure air, the source of which is not shown. The several whistle means may also emit ultrasonic vibrations at different frequencies as may be required for best results.
The whistle means utilized by this invention is shown in FIGURES 2 and 6 and is of the stem-jet variety comprising a tube 34 having an inlet 36 and an outlet 38 tapered to a smaller diameter. A perforated plate 40 is positioned within the tube supporting a stem 42 which protrudes axially from the outlet 38. A cup 44 is axially supported on stem 42 with the opening thereof in opposed relation to outlet 38 to form an annular slot 46. A bell collar 48 is positioned on tube 34 near the outlet end thereof with the bell opening being directed opposite the opening of cup 44. The edges of the tube at the outlet and at the edge of the cup 44 are tapered to a knife edge. When high pressure air is introduced into tube 34, the escape thereof between the tube outlet and cup 44 through annular slot 46 produces a high efficiency whistle. This type of whistle is very efiicient and produces the necessary ultrasonic frequencies with a minimum volume of air. The size of the Whistle and the positioning of cup 44 relative to outlet 38 determine the frequency of a particular whistle. The air stream passing through conduit 20 is modulated at the frequency or frequencies of the whistles mounted thereon.
In carrying out the present invention, strands of aqueously treated or wetted fibers, including hair, which are to be dried are forcibly restrained in a predetermined arrangement by a suitable means, and then are subjected to the heated ultrasonic modulated air stream emitted from conduit 20 via exit 30. It is found that drying natural hair by using a modulated air stream in the ultrasonic range will considerably hasten the drying effect without any deterioration of the individual hair fibers. Moreover, the hair fibers will tend to remain indefinitely in the predetermined configuration in which they were arranged after being subjected to the aforesaid ultransonic modulated air stream during the drying thereof. This configuration will tend to be retained even though the fibers are later washed, bleached or subjected to other types of treatment.
It is not precisely understood why the process of the invention utilizing an ultrasonically modulated air stream operates to more efiiciently dry the hair and other natural fibers. However, as is depicted in FIGURE 3 the modulated air contains low pressure zones 54a, b, c interspersed with higher pressure zones 52a, b, c and the repeated application of the low pressure zones to the wet hair fibers will tend to lift the scales located on the exterior surface of all individual hair fibers and thereby permit the easy and rapid vaporization of the water. It should be noted that when any heated air is applied to a wet hair fiber the moisture is removed therefrom by evaporation. However, the scales located on the exterior sides of all natural hair fibers tend to resist the removal of evaporated water and locks or bars the easy exit from the hair fibers of any water therein. It is only with the repeated application of the low pressure zones which occur in the modulated air as specified in this invention to the wet hair fibers that the aforesaid scales are lifted away from the exterior sides of the individual hairs and thereby will remove the obstacles which prevent the easy. exit of the water therein and accordingly will cut the required drying time to an absolute minimum.
In a similar manner, it is believed that the extraordinary and novel curling of the hair when contacted with a heated air modulated to ultrasonic frequencies as contemplated by this invention is achieved by the repeated application of the higher pressure zones of the ultrasonically modulated air to the wet hair fibers. This results in a constant pounding effect and will cause a. stress reorientation of the hair fibers. It would appear that the molecular structure of the hair fibers has actually undergone a change in position under the constant and repetitious pounding of the higher pressure zones Within the heated modulated air thereby resulting in a substantially permanent stress reorientation or curling of the hair. Of course, when a new curl or curling design is required the hair may be wetted again and constrained in the desired manner after which the properly modulated and heated air is applied thereto. This will again reorient the molecular structure of the individual hair fibers and result in a substantially permanent curling configuration of the hair.
Although I have described the invention with a certain degree of particularity, it is to be understood that the present disclosure has been made only by way of example and that numerous changes in the details of the invention and the combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention has hereinafter claimed. For example, the air entering whistle 28 may be heated to provide the source of heated air or in addition to that from blower and heating device 10'.
What is claimed is:
1. The method of treating natural fibers comprising the steps of arranging the fibers into a predetermined configuration, wetting the fibers with an aqueous medium and subjecting same to a stream of fluid which is modulated at ultrasonic frequencies.
2. The method according to claim 1 wherein the fluid stream is air.
3. The method of treating natural fibers comprising the steps of Wetting the fibers with an aqueous medium, arranging said fibers into a predetermined configuration, and subjecting same to an air stream modulated at ultrasonic frequencies.
4. The method of claim 3 in which the air stream is heated and the ultrasonic frequencies at which said air stream is modulated are above the audible range.
5. The method of claim 3 in which the natural fiber treated is human hair and the aqueous medium used to wet the fiber is water.
6. The method of treating human hair comprising the steps of wetting the hair with water, arranging the hair and forcibly restraining same in a predetermined configuration, and then contacting said hair with a heated air stream modulated at ultrasonic frequencies, said frequencies being above the audible range.
7. The method of drying wetted natural fibers which comprises the steps of modulating an air stream at ultrasonic frequencies and impinging the modulated air stream on the wet fibers.
8. The method of claim 7 in which the natural fibers are human hair and the ultrasonic frequencies at which the said air stream is modulated are above the audible range and including the step of heating the air stream.
9. The method of treating natural fibers in which a substantially permanent set is imparted to the fibers comprising the steps of wetting the fibers with an aqueous medium, arranging said fibers and forcibly restraining same into a predetermined configuration and then subjecting said fibers to a heated air stream modulated at ultrasonic frequencies.
10. The method of claim 9 in which the natural fibers are human hair and the ultrasonic frequencies at which the said air stream is modulated are above the audible range.
11. The method of curling human hair which comprises the steps of Wetting the hair with an aqueous medium, arranging the hair and forcibly restraining same in a predetermined configuration and then subjecting said hair to an air stream modulated at ultrasonic frequencies above the audible range.
12. The method of curling human hair which comprises the steps of Wetting the hair with a Water medium, arranging the hair and forcibly restraining same in a predetermined configuration and then subjecting said hair to a heated air stream modulated at ultrasonic frequencies above the audible range.
13. The method of curling human hair which comprises 6 the steps of wetting the hair with an aqueous medium, arranging the hair and forcibly restraining same in a predetermined configuration and then impinging a heated air stream modulated at ultrasonic frequencies on the wet hair fibers.
14. The method of curling natural fibers comprising Wetting the fibers, forcibly restraining the fibers in a desired configuration and subjecting same to a heated air stream modulated at ultrasonic frequencies.
References Cited UNITED STATES PATENTS 2,576,297 11/1951 Horsley et a1 55-292 XR 2,740,202 4/ 1956 Fowle. 2.954271 9/ 1960 Cenzato. 3,175,299 3/1965 Boucher 34-4 FREDERICK L. MATTESON, JR., Primary Examiner.
20 A. D. HERRMAN, Assistant Examiner.
Claims (1)
1. THE METHOD OF TREATING NATURAL FIBERS COMPRISING THE STEPS OF ARRANGING THE FIBERS INTO A PREDETERMINED CONFIGURATION, WETTING THE FIBERS WITH AN AQUEOUS MEDIUM AND
Priority Applications (1)
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US486881A US3387379A (en) | 1965-09-13 | 1965-09-13 | Method for drying and treating hair or other natural fibers via ultrasonics |
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Application Number | Priority Date | Filing Date | Title |
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US486881A US3387379A (en) | 1965-09-13 | 1965-09-13 | Method for drying and treating hair or other natural fibers via ultrasonics |
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US3387379A true US3387379A (en) | 1968-06-11 |
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US486881A Expired - Lifetime US3387379A (en) | 1965-09-13 | 1965-09-13 | Method for drying and treating hair or other natural fibers via ultrasonics |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3484914A (en) * | 1966-06-13 | 1969-12-23 | Bemberg Spa | Method and means for treating with a gasiform stream a thread bundle made of a plurality of elementary threads |
US4028232A (en) * | 1974-08-09 | 1977-06-07 | Wallis Separators Limited | Separator method and apparatus |
US20090007931A1 (en) * | 2004-10-22 | 2009-01-08 | Force Technology | Method And Device For Drying A Flow Of Biomass Particles |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2576297A (en) * | 1947-07-29 | 1951-11-27 | Ultrasonic Corp | Sonic spray drying |
US2740202A (en) * | 1952-06-07 | 1956-04-03 | Ultrasonic Corp | Process and apparatus for drying sheet material |
US2954271A (en) * | 1958-03-10 | 1960-09-27 | Du Pont | Process for producing shaped articles using sonic vibrations to enhance solidification |
US3175299A (en) * | 1961-08-02 | 1965-03-30 | American Sugar | Method of drying sugar crystals with acoustic energy and a gas |
-
1965
- 1965-09-13 US US486881A patent/US3387379A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2576297A (en) * | 1947-07-29 | 1951-11-27 | Ultrasonic Corp | Sonic spray drying |
US2740202A (en) * | 1952-06-07 | 1956-04-03 | Ultrasonic Corp | Process and apparatus for drying sheet material |
US2954271A (en) * | 1958-03-10 | 1960-09-27 | Du Pont | Process for producing shaped articles using sonic vibrations to enhance solidification |
US3175299A (en) * | 1961-08-02 | 1965-03-30 | American Sugar | Method of drying sugar crystals with acoustic energy and a gas |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3484914A (en) * | 1966-06-13 | 1969-12-23 | Bemberg Spa | Method and means for treating with a gasiform stream a thread bundle made of a plurality of elementary threads |
US4028232A (en) * | 1974-08-09 | 1977-06-07 | Wallis Separators Limited | Separator method and apparatus |
US20090007931A1 (en) * | 2004-10-22 | 2009-01-08 | Force Technology | Method And Device For Drying A Flow Of Biomass Particles |
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