US129677A - Improvement in lightning-rods - Google Patents
Improvement in lightning-rods Download PDFInfo
- Publication number
- US129677A US129677A US129677DA US129677A US 129677 A US129677 A US 129677A US 129677D A US129677D A US 129677DA US 129677 A US129677 A US 129677A
- Authority
- US
- United States
- Prior art keywords
- rods
- twisted
- lightning
- rod
- improvement
- 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
Links
- 239000002965 rope Substances 0.000 description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0009—Details relating to the conductive cores
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/147—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising electric conductors or elements for information transfer
Definitions
- Figure l represents a view of a piece of my improved lightning-rod
- Fig. 2 represents a cross-section of the same
- Figs. 3 and 4 represent a single angular copper wire, straight, and twisted around its own axis, from the latter of which the rope is formed.
- My invention consists in constructing alightning-rod of two or more ropes, each consistng of any suitable number of angular wires first twisted around their own axis separately throughout their length, and then twisted together to form a rope of angles in connection with two or more iron-core rods twisted together, and within the twisted folds of which the twisted ropes are also twisted, whereby a cheap, strong, and very effective rod is produced; the ropes of angular copper wires thus formed being twisted with the iron-core wires in such a manner that a wire rope intervenes between each two iron-core wires.
- this rod I draw or roll out copper wire, a, solid, angular, square, or other form, provided it has a plurality of faces and sharp edges, and provided it be not dat. Each one of these wires is twisted separately around its own axis, and any desired number of such twisted wires laid or twisted together into a rope, b. Two or more of these ropes are then intertwisted with an equal number of iron-core rods, c, so that a core-rod and an angular copper-wire rope alternate.
- the iron-core rods may be, if desired, coated or galvanized.
- a lightning-rod constructed of two or more separate and distinct ropes, each consisting of a plurality of angular copper wires, twisted each separately around its own axis and then laid or twisted to form a rope, in combination with a like number of iron-core rods, both intertwisted with each other, essentially as described.
Landscapes
- Non-Insulated Conductors (AREA)
Description
D. MUNSON.
mpmvement in Lightning-Rods.
Ne. 129mm?, Pafentedmyzsmsvz,
UNITED STATES PATENT OFFICE.
DAVID MUNSON, OF INDIANAPOLIS, INDIANA.
IMPROVEMENT IN LIGHTNING-RODS.
Specification forming part of Letters Patent No. 129,677, dated `lnly 23, 1872.
To all whom it may concern:
Be it known that I, DAVID MUNSON, of Indianapolis, in the county of Marion and State of Indiana, haveinven ted a new and useful Improvement in Lightning-Rods, of which the following is a specification:
In the accompanying drawing, Figure l represents a view of a piece of my improved lightning-rod, and Fig. 2 represents a cross-section of the same. Figs. 3 and 4 represent a single angular copper wire, straight, and twisted around its own axis, from the latter of which the rope is formed.
My invention consists in constructing alightning-rod of two or more ropes, each consistng of any suitable number of angular wires first twisted around their own axis separately throughout their length, and then twisted together to form a rope of angles in connection with two or more iron-core rods twisted together, and within the twisted folds of which the twisted ropes are also twisted, whereby a cheap, strong, and very effective rod is produced; the ropes of angular copper wires thus formed being twisted with the iron-core wires in such a manner that a wire rope intervenes between each two iron-core wires.
In constructing this rod I draw or roll out copper wire, a, solid, angular, square, or other form, provided it has a plurality of faces and sharp edges, and provided it be not dat. Each one of these wires is twisted separately around its own axis, and any desired number of such twisted wires laid or twisted together into a rope, b. Two or more of these ropes are then intertwisted with an equal number of iron-core rods, c, so that a core-rod and an angular copper-wire rope alternate. The iron-core rods may be, if desired, coated or galvanized.
-Besides the galvanic action of such mixed rod, I gain the advantage of a large number of sharp edges and angles in each separate rope, whereby the attractive and conductive capacity of the rod is materially increased; and by furnishing such a large number of surfaces, angles, and sharp edges at every point of each separate rope I am enabled to use a greater quantity in bulk of the cheaper ironcore wire or rods, thus furnishing a cheap rod, which yet is equal in its conducting capacity to a much more expensive rod made of copper alone. I gain another advantagein the rigidity of the rod, as the iron-core wires add materiallyto its strength, while the copperropes, by their peculiar construction, give all the required surface and attractive points for the passage of the electric fluid.
Having described my invention, I claim- A lightning-rod constructed of two or more separate and distinct ropes, each consisting of a plurality of angular copper wires, twisted each separately around its own axis and then laid or twisted to form a rope, in combination with a like number of iron-core rods, both intertwisted with each other, essentially as described.
'DAVID MUN SON. Witnesses:
Trios. H. BoWLEs, CHARLES W. TAYLOR.
Publications (1)
Publication Number | Publication Date |
---|---|
US129677A true US129677A (en) | 1872-07-23 |
Family
ID=2199095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US129677D Expired - Lifetime US129677A (en) | Improvement in lightning-rods |
Country Status (1)
Country | Link |
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US (1) | US129677A (en) |
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0
- US US129677D patent/US129677A/en not_active Expired - Lifetime
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