US3434193A - Process of manufacturing hair rollers - Google Patents

Process of manufacturing hair rollers Download PDF

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Publication number
US3434193A
US3434193A US426169A US3434193DA US3434193A US 3434193 A US3434193 A US 3434193A US 426169 A US426169 A US 426169A US 3434193D A US3434193D A US 3434193DA US 3434193 A US3434193 A US 3434193A
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US
United States
Prior art keywords
component
net
roller
rollers
hair
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US426169A
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English (en)
Inventor
Harry W Meyer
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Industrial Development Corp
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Industrial Development Corp
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Publication date
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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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/12—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers
    • A45D2/24—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers of multi-part type, e.g. with sliding parts other than for fastening
    • A45D2/2464—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers of multi-part type, e.g. with sliding parts other than for fastening tube-like
    • A45D2/2471—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers of multi-part type, e.g. with sliding parts other than for fastening tube-like comprising bristles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49801—Shaping fiber or fibered material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/49865—Assembling or joining with prestressing of part by temperature differential [e.g., shrink fit]

Definitions

  • a hair roller has :a brush and an internally supported tubular net component that is provided with shrunken filaments at its ends to retain :the support in a proper position in the assembly. With heat shrinkable netting material, the filaments at the ends of the supported tubular component are heat shrunk and then ⁇ followed with a water or air quench to ambient temperatures before the brush is inserted in the tubular net.
  • Heating and quenching are Iaccomplished with an apparatus having spaced heaters with associated quenching devices, and a carriage for conveying the internally supported tubular component through the heaters.
  • the carriage is equipped with cam actuated holders for inverting the held items between heaters.
  • This invention relates to the manufacture of hair rollers or curlers.
  • a general object is to provide improvements in the manufacture of hair rollers.
  • a particular object of the invention is to provide improved and more economic methods of manufacturing hair rollers of the kind having a net component and where the methods permit the use of less nettingrmaterial, and, in addition, enable the production of rollers that are more convenient and safer to use than other net type hair rollers currently being marketed.
  • a further objective of the invention is to provide a process for assembling collapsible net components and the support components of net type hai-r rollers, and which provides a finished assemljly in ⁇ which the support component is less readily displaced from its supporting position in the assembly than is the case with more conventional net type rollers.
  • rnost of the net type hair rollers also contain a brush component which is lodged. in the hollow of the assembled net and support component.
  • the brush is placed in the assembly after :the net and support components have been assembled. This creates a problem in the manufacture of the roller when the net and support are retained in position by end tucks for frequently :the brush bristles become entangled in the net and pull out one or more of the tucks.
  • This of course requires considerable labor and time to correct Ithe situation, and among the objectives of the invention is to provide processing features that avoid or eliminate one or more of the mentioned objections or problems.
  • the net may be drawn into a :tighter fitting relation on the support component by virtue of the process, thus providing a tighter assembly which minimizes movement of the net relative to the support componen-t during use as compared to more conventional net type hair rollers.
  • This makes the roller more attractive to the user because of the feeling of tightness realized upon manipulation by the user.
  • less net material is needed in manufacturing net type hair rollers of comparable sizes currently being marketed when the opposite ends of the net are shrunk -to secure the support component in place.
  • Yet another advantage to the invention lies in the manufacturing process per se. It has been found, for example, that the problems that heretofore have been encountered during the manufacturing process of assembling the rollers, as when the brush component is housed in the partial assembly and becomes entangled with net, are completely avoided when the support component and net component are secured in place by means of the shrinking process described hereinafter. In effect, it has been found that if the support component is secured in the hollow of the net by a process of shrinking the ends of the net, that the brush component may thereafter be easily and efficiently inserted in the partially assembled roller without dislodging the net component through entanglement with the brush bristles.
  • FIG. 2 is a -plan view of an apparatus that may be used in carrying out the shrinking process in accord with certain aspects of the invention
  • FIG. 3 a rear side elevational view of the apparatus seen in FIG. 2;
  • FIG. 4 is an enlarged section view of a heating unit embodied in the apparatus seen in FIG. 2 and shows the general relation of the end of a partially assembled roller to the heating elements of the unit at one stage in the heating process, the view being taken at the feed end of the unit and generally along the lines 4 4;
  • FIG. 5 is another enlarged section view through the heating unit seen in FIG. 2 and in FIG. 4 and shows the general relation of the end of another partially assembled roller to the heating elements at a more advanced stage of shrinkage of the end, the view being one nearer the discharge end of the unit and generally along the lines S5 of FIG. 2;
  • FIG. 8 is a face View of a component of a retainer mechanism shown in FIG. 7 and which is used to restrict rotary movement of certain parts of the holder, the view being taken generally along the lines 8-8 therein to show the relation of the component to certain adjacent structure in the assembled holder;
  • FIG. 9 is a rear elevational view of a fragment of a cam wheel and a spring component of the retainer seen in FIG. 7, together with adjacent structure as seen generally along the lines 9-9 of FIG. 7;
  • the support cornponent is first inserted in one of the open ends of the net component and lodged in the hollow thereof between the opposite end portions of the net. Thereafter, the filaments of the end portions are subjected to a heat treatment that decreases the lengths of the filaments and causes the end portions to shrink.
  • the shrinking process diminishes the sizes of the end openings in the net and thus traps the support element in place.
  • the filaments tend to become tacky and semi-fluid at the elevated temperatures to which they are subjected during the heat treatment step and hence it is preferable to rapidly cool the end portions immediately after their heat treatment.
  • the heat treating apparatus is generally designated at 30 and includes a pair of elongated arcuate tunnel-like heating units 31 and 32 and a carriage mechanism 33.
  • the partially assembled rollers 34 are hand fed to individual holders 35 therefor from a feed station designated at 36, and are automatically discharged from the carriage after the heat treatment at a discharge station 38 by means of a ⁇ device designated at 37.
  • Mechanism 33 is adapted to carry the partially assembled rollers 34 along a path 39 that eX- poses the opposite ends of the net components to a heat treatment 'which is carried out successively in units 31 and 32.
  • the heating units 31 and 32 are arranged on the same side of the path traversed by the rollers, and hence means 40 that cooperates with certain components of the holders is provided for inverting the assemblies between the units 31 and 32. In this way, one end of the partially assembled roller held by each holder is treated in unit 31 and the opposite end is treated in unit 32.
  • Ring component 51 4 consists of a narrow metal element which has been bent in the shape of -a circle and the opposite ends butt welded together. Ring 51 is supported above the base portion 52 of the framework 41 on shaft 50 through four elongated members 53 which are welded at their outer ends to the inside face of the ring. Members 53 extend more or less radially of the rotary axis of component 51 and are fixed at their inner ends between a ilat circular bottom plate 54 and a square plate 55. Plate 55 is spaced above plate 54 to accommodate the location of the inner ends of the members 53 therebetween at the hub 56 of the wheel-like structure. These inner ends are somewhat offset from the axis of the shaft 50 as seen in FIG. 2 to provide structural strength in the Wheel-like structure.
  • the upper end 58 of shaft 50 is threaded in centrally located openings in plates 54 and 55. A portion of the upper end 58 of shaft 50 projects above plate 5S and engages a nut 57 that is fixed to the upper surface of plate 55 coaxially with the threaded openings in the plates 54 and 55 therebetween. At this point, the wheel-like structure is keyed for rotation by and about the vertical axis of shaft 50 by key 59.
  • the holders 35 are spaced from each other along the outside of the ring 51, and the structure of the individual holders is best seen in FIGS. 6-9 by lreference to that of holders 60.
  • Holder 60 is seen in FIGS. 6 and 7 with the partially assembled roller element removed and with the longitudinal axis of the clamp component 67 of the holder in the horizontal position it assumes yat the half-way point in being inverted between the heating units through contact made with certain xed elements of mechanism 40. This position is also illustrated in FIGS. 2 and 3.
  • the assembled holder 60 is connected at the outer face 61 of the ring 51 by a round headed bolt 62 which is threaded in a suitable opening therefor in the ring.
  • the bolt 62 is secured in place by a nut 63 and lockwasher 64 located at the inner face 65 of the ring 51.
  • Ring 51 is strengthened at the opening by a square ⁇ metal plate element 66 which is welded to the outer face of the ring and in which the bolt is also threaded.
  • the clamp 67 of holder 60 has a rectangular back plate 70 which is fixed to the front face of a cam wheel component 72 of holder 60.
  • the opposite end portions 68 and 69 of plate 70 are provided with spaced prongs 28 and 29 which are integrally connected to the back portion 70 and made from spring steel so as to yield when a partially assembled roller is fed to the clamp 67 at the feed station.
  • Prongs 28 and 29 are adapted to grasp the partially :assembled rollers at the opposite ends of the housed support component and extend outwardly from the back plate 70.
  • the axis of the clamp 67 is arranged transversely of bolt element 62 and the prongs are arranged to hold the roller elements with its longitudinal axis extending transversely of the axis of rotation of the holder.
  • the prongs 28 and 29 are further adapted and arranged to hold the roller element in a position which is offset from the face of the back plate so as to enable the roller to be removed from the clamp 67 by device 37.
  • each of the assembled holders is also provided with a spring component that cooperates with the cam wheel and is rotated thereby, as well as with another component that is secured to the ring and cooperates with the spring component in restricting rotary movement of the holders.
  • Component 83 consists of a fiat rectangular block which fits in a matching rectangular recess S4 in the front face of the metal plate element 66.
  • Block 83 has a central opening 85 through which the stem of the bolt extends as seen in FIGS. 7 and 9, and is provided with four more or less semispherical surface recesses 86 which are offset from the axis of the bolt. These recesses 86 are spaced at 90 intervals about Vthe axis thereof.
  • Spring component 76 is provided with a pair of dents in the face of the concavity and which provide spaced bulbular portions 87 on opposite sides of the center opening in the back of the spring. These bulbular portions 87 are adapted to t in the horizontally aligned recesses seen in FIG. 8 when the axis of the clamp ⁇ 67 and held roller element are vertically arranged and in the vertically aligned recesses seen in FIGS. 7 and 8 when the axis of the clamp and held roller are horizontally arranged.
  • the spring 76 is also rotated.
  • the cam wheel 72 of each holder is provided with four cam arms that extend radially of the rotary axis of the wheel and the arms are arranged 90 apart.
  • the cam surface 88 of each arm is inclined from the longitudinal axis of the arm.
  • the arm When the arm is is position for the cam surface to engage one of the fixed elements 74 and 75, it extends downwardly and to the right, toward the leading edge of the holder, as seen in FIG. 9. In this position, the surface is vertically arranged and aligned to engage the xed element.
  • the cam wheel and clamp are rotated 90 in the direction of arrow 90 as the carriage moves forward along the path and further rotation is restricted by the spring mechanism, once the cam surface becomes disengaged from the element.
  • the next arm of the cam wheel is drawn down and placed in position to encounter the next fixed element along the circular path. Overall it requires two revolutions of the ring component 51 in order to rotate the cam wheel and clamp 360.
  • Unit 31 has a pair of elongated electrical resistance heating elements 100 and 101 which are hung from the top wall of the unit on spaced hangers designated at 102. The elements are electrically connected in parallel in the circuit by end wires 103 and 104. Unit 31 is bolted to metal straps 105 which are xed upright at the outer ends of spaced radially extending tubular components 106 of the framework. Components 106 are welded to the underside of plate 44 and project outwardly to the straps at the underside of the annular ring 51.
  • Unit 31 is arranged to cup the upper ends of the rollers between the sidewalls during their passage through the unit, and is supported on the framework in a manner such as to incline downward toward the ring 51 from the feed end 107 to the discharge end 108 of the unit. This is best illustrated in FIGS. 4 and 5 wherein it will be seen that the space 109 between the ends of the nets of the rollers depicted therein and the heating elements 100 and 101 remains about the same as the net ends shrink during the heating step and drawn down toward the end of the support element.
  • Unit 32 is similarly constructed and arranged an is supported on frame components 110 which are similar to components 106. Like the elements 100 and 101 of unit 31, the heating elements 111 and 112 of unit 32 are electrically connected in parallel by end wires 113 and 114 in the circuit. The heating elements of the respective units are connected in series in the electrical circuit by an electrical element which connects wires 113 and 104. Wire 103 is connected to one side of an AC source of electricity by wire 116 and wire 114 is connected to the other side of the source by wire 117.
  • the partially assembled rollers are delivered to the feed station 36 on a conveyor belt 122 seen in FIG. 2 and which is suitably supported in a position for the operator of the apparatus 10 to hand feed the partially assembled rollers to the clamps as they pass in front of the belt.
  • the discharge device 37 has a wall component 128 that is offset from the outer face of the arm 126 and which is also connected at one end to bracket 124.
  • Wall 128 serves to deilect the dislodged roller into the feed end 129 of the chute suspended therebelow. Thereafter, the roller passes beneath the wall as it falls down the chute.
  • the empty holders 35 of the carriage mechanism enter the feed station 36 area of the apparatus with the prongs of the clamps aligned vertically.
  • the partially assembled roller elements are hand fed to the empty holders thereat and at this point in the operation of the apparatus, the clamps hold the partially assembled rollers in a manner such that one of the end portions of the net component extends upright, whereas the other end portion extends downwardly.
  • the upright net end portion is radiantly heated and ultimately in the unit 31 to a ternperature at which the filaments of the end portion start to shrink. This heat treatment continues as the end of the roller passes through unit 31.
  • the shrunken net end portion is rapidly cooled to ambient temperatures through contact with the spray from nozzle 120. Thereafter the cam wheel of the holder encounters the fixed elements 74 and 75 and this inverts the clamp and roller element. In this inverted position, the untreated end portion of the net component extends upwardly and in a position to thereafter be subjected to the heat shrinking process accorded the element in unit 32.
  • the heat treatment step carried out in unit 32 is like that carried out in unit 31 and upon emerging from the discharge end of the unit 32, the shrunken net end portion is similarly cooled to ambient temperatures through contact with the spray from nozzle 121. Thereafter, the roller is dislodged from the 9 holder by device 37 and is discharged from the apparatus via chute 123.
  • a hair roller from components that include: an elongated hollow tubular net component made from exi-ble filaments and which component has opposite meshed end portions and a meshed wall portion therebetween on which the hair is wound by the user, and an elongated support component for supporting said wall portion against collapsing into the hollow of the net component during use of the roller; the improvement comprising steps of housing the support component in the hollow of said net component between said opposite meshed end portions, and thereafter treating the filaments of said opposite meshed end portions to shrink such lilaments and thereby decrease the size of the openings into the hollow at the opposite ends of said tubular net component.
  • a hair roller from components that include: an elongated hollow tubular net component made from tlexible filaments and which cornponent has opposite meshed end portions and a meshed wall portion therebetween on which the hair is wound by the roller user, and an elongated support component for supporting said wall portion against collapsing into the hollow of the net component during use of the roller; the improvement in accord with claim 1 wherein said flexible filaments are synthetic plastic lilaments which contract in length at elevated temperatures, and wherein the treating step comprises heating the opposite end portions of the net component to said elevated temperatures.
  • a hair roller from cornponents that include: an elongated hollow tubular net component made from flexible synthetic plastic filaments that contract in length at elevated temperatures and which component has opposite meshed end portions and a meshed wall portion therebetween on which the hair is wound by the roller user, and an elongated support component for supporting said wall portion against collapsing into the hollow of the net component during use of the roller; the improvement comprising steps of inserting the support component in the hollow of the net component through one of the end openings of the net component ⁇ therento and in a position between said opposite meshed end portions for supporting said wall portion, heat treating said meshed end portions at said elevated temperatures to shrink the filament lengths thereof and thereby decrease the size of said end openings, and immediately after said heat treating step, rapidly cooling said mesh end portions to ambient temperatures.

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  • Hair Curling (AREA)
  • Treatment Of Fiber Materials (AREA)
US426169A 1965-01-18 1965-01-18 Process of manufacturing hair rollers Expired - Lifetime US3434193A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US42616965A 1965-01-18 1965-01-18
DE19681757746 DE1757746A1 (de) 1965-01-18 1968-06-11 Verfahren und Vorrichtung zur Herstellung von Lockenwickeln
FR154683 1968-06-12

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US3434193A true US3434193A (en) 1969-03-25

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US426169A Expired - Lifetime US3434193A (en) 1965-01-18 1965-01-18 Process of manufacturing hair rollers

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US (1) US3434193A (enrdf_load_stackoverflow)
DE (1) DE1757746A1 (enrdf_load_stackoverflow)
FR (1) FR1596460A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317270A (en) * 1978-07-26 1982-03-02 Canon Kabushiki Kaisha Method of making an elastic roller

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242326A (en) * 1939-04-28 1941-05-20 Rosenthal Morris Metallic wool pad
US2992457A (en) * 1960-03-28 1961-07-18 Grace W R & Co Method of joining pipe and tubing
US3313017A (en) * 1962-10-12 1967-04-11 Western Electric Co Fabrication of electrical apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242326A (en) * 1939-04-28 1941-05-20 Rosenthal Morris Metallic wool pad
US2992457A (en) * 1960-03-28 1961-07-18 Grace W R & Co Method of joining pipe and tubing
US3313017A (en) * 1962-10-12 1967-04-11 Western Electric Co Fabrication of electrical apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317270A (en) * 1978-07-26 1982-03-02 Canon Kabushiki Kaisha Method of making an elastic roller

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Publication number Publication date
FR1596460A (enrdf_load_stackoverflow) 1970-06-22
DE1757746A1 (de) 1972-03-30

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