US900292A - Electric curling-iron heater. - Google Patents

Electric curling-iron heater. Download PDF

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Publication number
US900292A
US900292A US1907394582A US900292A US 900292 A US900292 A US 900292A US 1907394582 A US1907394582 A US 1907394582A US 900292 A US900292 A US 900292A
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Prior art keywords
tube
shell
heater
end
iron
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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
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Wynn Meredith
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Pacific Electric Heating Company
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/02Soldering irons; Bits
    • B23K3/027Holders for soldering irons

Description

W MEREDITH ELECTRIC GURLING IRON HEATER.

APPLICATION FILED SEPT. 25, 1907.

Patented Oct. 631908.

' ED s rain" PTENT OFFICE;

WYNN MEnEn r or SAN rnanoisoo, CALIFORNIA, ASSIGNOR T PAOIFlC ELEOTRIG HEATING COMPANY, OF ONTARIO, CALIFORNIA,'A CORPORATION OF CALIFORNIA.

mini-irate Guanine-moi: HEATER.

Specification of Letters Patent.-

Patented ova e, 1908.

npplication filed September 25, 1907. Serial No. 394,582.

' Tocll whom it may concern:

Be it known that I, WYNN MEREDITH, a citizen ofthe United States, residing at San Francisco, in the county of San Francisco and State of California, have invented a new and useful Electric- Curlingelron Heater, of which the following is a specification.

This invention relates to electric curling iron heaters, and the main'objects of the invention are to provide an electrically heated curling iron heaterwhich can be readily attached to an electric light socket, and to enable the curling iron to be readily slip ed into place in the heater, a further object eing to provide means for detachably retaining the curling iron while in thehea'ter so that the heater may be attached to the socket in any position, whether the heater projects up above the socket or extends below the soclcet either at an angle or vertically, the .curhng j iron being firmly held in placeeven when the heater is attachedto. asoclret in such aposition that the heater extends down from the socket and occupies a vertical position.

Other objects and advanta es relate to details of construction which wi l be hereinafter pointed out.

Referring to the drawings :Fig'ure'1. is a side elevation of the device, showing a curling-iron in position in the heater. Fig. 2- is a longitudinal vertical section on line Fig. 1,' the screw plug of the heater and the curling iron being shown in elevation. Fig. 3' is a cross section on line 90 -9 Fig. 2.

The heater comprises an outer cylindrical shell 1 having numerous perforations .2, as shown, which permit a circulation of air'within the walls of the shell 1 externally of the heating elementsproper, the shell 1 serving as a support for the heating elements tobe described, and'also acting as a shield therefor.

Inserte din the upper end of the shell -l is a screw plug 3, constructed in a well known manner, comprisin a threaded metal thinnble 4 which is attac led to a porcelain stud 5,

the latter having aflange 6 which projects into the'upper endof the shell 1, screws .7 passing through the shell into recesses in the porcelain flangefi, as-shown, to'attach the saine' in position. One terminal 8. extends through the centergif the porcelain stud 5 in well known manne'rand the other terminal 9 extends along justinside the thimble 4 and makes contact with the thimble. Fitting below the porcelain stud 5 is an insulating center of the shell is a hollowcore or-tube 11 formed of a good conducting material The lower end o-fi such as copper or brass. I the tube 11 rests upon a ring of asbestos l2,

, which in turn is supported by a metal plate 13, the latter resting on an inturned flange 14- formed on the lower edge ofshellrl.

outer wall-of the 11 per end of thetube 11 so that the 'tubeis within the shell 1. Resting upon the ashestos ring 12 at the bottom is a similar. series of mica washerslfi which encircle the lower end.

of tube 11 and'servea'similar purpose,that

At the upper end of the tube 11 just below the cap 10 1s a series of mica washers 15, whichfit. the .bore of the'shell 1 and which .clos'elyjfiti-the mly held concentrically of holding thelower end of tube 11 concentrio with the shell. Encir'cling the tube 11 are oneor nrore mica layers 17 shown by heavy black linefar'ound which is wound the "heating wire 18. .One end 19 of the heatin Wire is connected to thejinner endof terinina 8. Wound aro'unrf theheating wire are several' layers of asbestos 20. and, as clearly shown in Fig. 2,'the.- end .21 of 'theheating wire is carried back longitudinally between the two inner layers of asbestos 2'0 and connected to the terminal The asbestos layers2O -are secured in place by three straps or belts 22., onebelt being at the top, another at the-bottom and the third'atanintermediate oint as shown. These belts hold the heating element and insulation in a compact cylindrical roll thus forming an air-space23 around the same. inside the shell* 11 The bore of the tube 11 is greater than the size of the curling iron 24 and afiat bowed spring 25 is arranged within the tube 1 1-, the upper end of the spring'being attached at 26 to the up.- per end of the tube and its lower end being free from the tube. I

When the curling iron is not in place in the heater, the spring 25 occu ies aposition indicated by dotted lines-in ig. 2, which the central convex portion o'f'the spring 25 bears against the opposite side of the tube to which the spring is attached and thus leaves a wedge shaped opening at the bottom of the tube 11 which permits an easy insertion of the curl mg iron. The curling iron is mserted by simply pushing it up into the tube 11, the

spring 25 yielding to permit of this movement, and thus when thrust in the curling 11o iron is frictionally held by the spring 25 and ing a tube adapted. to receive a curling iron, a

prevented from falling out.

,It will be readily seen that this constru'c tlon enables the heater to be screwed into a shcket and project down from the socket, as the curling iron is held against slipping out from the heater, no matter what the position of the heater is, and the spring 25while having sufiicient' strength to retain the curling iron readily ermits the same to be withdrawn when esired, after the same has been heated. The iron having been thrust into place in the heater and the circuit closed, the

eat developed in the heating wire quickly heats up-the' tube 11 and heat is imparted from the tube 11 to the curling iron. lt is obvious also that the air siace within the tube 11 is, highly heated w ich heat is, of course, also imparted to the curling iron.

important feature of this construction is that the heating wire lies close to the tube ll'which greatly promotes transmission of the heat from the wire to the tube and heat is prevented from passing out from the wire by reason of the thick cylinder of asbestos layers 20 which surround the tube 11, and thus the heat is conserved and compelled to be-transmitted inwardly toward the curling iron. Another very important feature is that the curling iron is held in close intimate contact with the tube 11 and thus the transmission of, heat to the curling iron is greatly facilitated. The perforations 2 in the shell permit air to. circulate around therasbestos tube 20 within the shell and thus the shell is prevented from becoming heated so that all exposed parts of the device are cool and burns are prevented.

What I claim is 1. An electric curling iron heater compris- 'inga tube adapted to receive a curling iron, a eating wire wound close to the tube, a thin electric insulation between the wire and tube, a thick heat insulation around the heating wire, a perforated shell surrounding the latter insulation with an air space between the shell and said insulation, a ring of insulation su ported at the lower end of the shell, an insu ating cap at the other end of the. shell at the inner end of the tube, and washers encircling the tube at each end and iittim the shell for holdingthe tube concentrically in the shell.

, 2. An electric curling iron heater comprisheating wire wound close to the tube, a thin electric insulation between the wire and tube, a thick heat insulation around the heating wire, a erforated shell surrounding the latter insu ation with an air space betweenthe said thiclinsulation;

3. An electric curling iron heater comprising a tube adapted to receive a curling iron, a heating wire wound close to the tube, a thin electric insulation between the wire and t ube, a thick heat insulation around the heating wire, a perforated shell surrounding the latter in'sulation'with an air space. between the shell and said insulation, a rin of insulation -se'ppiirtod at the lower end 0 the shell insulating ca at the other end of the shell at the inncren of the tube, washers encircling the tube at each end and fitting the shell for holding the tube concentrically in the shell, the lower end of the shell having an'inturned flange, a perforated plate resting on said flan e and supporting the adjacent ring of ins ation.

4. An electric curling iron heater comprising a shell having one end open and the other end provided with an inturned flan e, a porcelain plug in the open end of the shell havscrews through the shell into said recesses, a metal cap on the plug, terminals in the plug, one of which engages with said cap, a ortorated plate in the other end of the s ell ing material in each end of'the casing, a heating tube located concentricall within the shell adapted to receive a curing iron and having its ends in engagement with said insulating material, washers around the ends of the tube, a thin layer of insulating Inatcrial around the tube, a heating wire around said thin layer, the ends of which engage with said terminals, a thick layer of insulating material around said wire with its pcriphery at a distance from the shell, and bands around said thick la er.

my hand at San Francisco, California, this fourteenth day of Se teinber 1907.

W YNN MEREDITH. In presence of J. W. FERGUSON,

ALLAN J. WAGNER.

shell and said insulatirnuand belts aroundresting against said flange, a layer of insulat In testimony whereof, I, ave hereunto set ing its inner end flanged and recessed,

US900292A 1907-09-25 1907-09-25 Electric curling-iron heater. Expired - Lifetime US900292A (en)

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US900292A US900292A (en) 1907-09-25 1907-09-25 Electric curling-iron heater.

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US900292A US900292A (en) 1907-09-25 1907-09-25 Electric curling-iron heater.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214146A (en) * 1977-07-08 1980-07-22 Globol-Werk Gmbh Electrically heated vaporizer device for dispensing a thermally volatilizable substance
US4661683A (en) * 1986-01-07 1987-04-28 Glucksman Dov Z Hair curling set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214146A (en) * 1977-07-08 1980-07-22 Globol-Werk Gmbh Electrically heated vaporizer device for dispensing a thermally volatilizable substance
US4661683A (en) * 1986-01-07 1987-04-28 Glucksman Dov Z Hair curling set

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