US767112A - Hair-pin. - Google Patents
Hair-pin. Download PDFInfo
- Publication number
- US767112A US767112A US21099804A US1904210998A US767112A US 767112 A US767112 A US 767112A US 21099804 A US21099804 A US 21099804A US 1904210998 A US1904210998 A US 1904210998A US 767112 A US767112 A US 767112A
- Authority
- US
- United States
- Prior art keywords
- hair
- pin
- segments
- metal
- metals
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
Description
No. 767,112. PATENTED AUG. 9, 1904.
G. E. KOBHL.
HAIR PIN.
APPLIOATION FILED JUNE 3. 1904.
no MODEL.
Qtboznju Patented AugustQ, 1904.
PATENT OFFICE.
CLARA E. KOEHL, OF PHILADELPHIA, PENNSYLVANIA.
HAIR-PIN.
SPECIFICATION forming part of Letters Patent No. 767,112, dated August 9, 1904:.
Application filed June 3, 1904:. Serial No. 210,998. (No model.)
To all whom it may concern.-
Be it known that I, CLARA E. KoEHL, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented new and useful Improvements in Hair-Pins, of which the following is a specification.
The objects of this invention are to provide a hair-pin that shall generate a slight current of electricity, that shall be ornamental through being composed of materials difiering in appearance, and that in certain forms shall give greater strength than is possessed by hair-pins having the same general appearance and now in common use.
In the accompanying drawings, Figure 1 shows a simple form of a hair-pin involving novel features. Fig. 2 is a similar view of a preferred form, the structure of Fig. 1 being embedded in non-metallic material. Fig. 3 is a View of a small portion of the structure of Fig. 2. Fig. 4: shows a modified construction of a certain rod. Fig. 5 shows a rod of metal spirally intertwined with a rod of more electropositive metal.
In the views, A represents a hair-pin made of a wire consisting in this instance of segments of different metals, one of the segments, B (3,
being more and preferably very much more electropositive than that lying next it. Such metals thus arranged create a very slight but constant electric current, and this undoubtedly exercises a beneficial influence in many cases. Preferably the metals are strikingly different in appearance, the bent end of the hair-pin being often made to appear like silver or gold or a combination of the two.
As shown in Fig. 1, the hair-pin may consist of three segments, a segment of one metal being inter-posed and forminga connection between two segments of a second metal; but the number of segments of any metal is not limited nor is the number of metals. It is a very simple matter to join end to end any number of segments of two or more metals.
If desired, the wire or rod may be composed of segments C B, lying side by side and laterally in contact, as shown in Fig. 4, or of two segments or wires 13 -0 twisted together ropelike. As shown in Fig. 2, the wire may have any suitable material I-I enveloping it, the material being molded upon the wire or the wire being embedded in the material. The wire may have any desired number of projections or bends F reaching the surface of the envelop, and preferably the bend is primarily madeto project slightly and is then ground oil and polished, so that its surface lies in the general surface of the envelop and is distinguishable therefrom only by difference in the character of the material and not by the form or the joint between the parts. The patches of highly-polished metal give the hair-pins an attractive and ornamental appearance and the electrical effect is practically the same as in the form of Fig. 1.
The metal may be simple metals or alloys having the desired colors, and in some cases the segments B C may be electrically welded, although when laid side by side this is not advisable, especially if they be twisted together or otherwise interlocked, as in Fig. 5. The envelop may be celluloid, which is readily made to closely resemble tortoise-shell, and with this material a golden-bronze metal forms a pleasing combination. Whatever the materials employed if the exposed parts of the metal be inconspicuous the hair-pin will have the appearance of the ordinary hair-pin of like external material, yet the embedded wire if of proper character gives it much greater strength, and if the material be such as deteriorates through lapse of time, like hard rubber, celluloid, and the like, the durability is very materially increased.
What I claim is 1. A hair-pin consisting of a metal core composed of metals one of which is more electropositive than the other and a non-metallic enveloping body leaving one or more points of the core exposed.
2. A hair-pin consisting of a non-metallic body having embedded therein a Wire made up of segments of difierent metals Widely sepa In testimony WhereofIhave signed my name rated in the electropositive scale. v to this specification in the presence of two sub- 3. Ahair-pin made up of a metal core and an scribing Witnesses. enveloping body of celluloid or the like, said CLARA E. KOEHL. 5 core being provided with small projections -Witnesses:
whose outer surfaces lie in the general surface MARGARET M. BAILEY,
of the envelop WALLACE GREENE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21099804A US767112A (en) | 1904-06-03 | 1904-06-03 | Hair-pin. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21099804A US767112A (en) | 1904-06-03 | 1904-06-03 | Hair-pin. |
Publications (1)
Publication Number | Publication Date |
---|---|
US767112A true US767112A (en) | 1904-08-09 |
Family
ID=2835598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US21099804A Expired - Lifetime US767112A (en) | 1904-06-03 | 1904-06-03 | Hair-pin. |
Country Status (1)
Country | Link |
---|---|
US (1) | US767112A (en) |
-
1904
- 1904-06-03 US US21099804A patent/US767112A/en not_active Expired - Lifetime
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