US947283A - Method of manufacturing incandescent gas-mantles. - Google Patents

Method of manufacturing incandescent gas-mantles. Download PDF

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US947283A
US947283A US42422708A US1908424227A US947283A US 947283 A US947283 A US 947283A US 42422708 A US42422708 A US 42422708A US 1908424227 A US1908424227 A US 1908424227A US 947283 A US947283 A US 947283A
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mantles
fabric
incandescent gas
threads
manufacturing incandescent
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US42422708A
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Ewald Ross
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21H—INCANDESCENT MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION
    • F21H1/00—Incandescent mantles; Selection of imbibition liquids therefor

Definitions

  • My invention relates to an improved method of manufacturing incandescent gas mantles.
  • My invention provides for employing a textile fabric manufactured on a braiding machine from any suitable material but having longitudinally-eXtending reinforcing threads interwoven therewith; and for subsequently treating such fabric to produce a finished mantle of greatly increased durability.
  • Figure 1 shows my improved braidedv foundation fabric for a mantle, placed upon a shaping bar therefor.
  • Fig. 2 is a crosssection on the line 1 1 of Fig. 1.
  • I produce a foundation fa bric of tubular form on a braiding machine, which fabric does not show the characteristic features of the knitted ory woven fabric ordinarily employed, but has threads a crossing each other as in an ordi ⁇ nary braid to form meshes which are elastic in structure so as to render the finished mantle less liable to breakage, and also enable the production of an improved light.
  • tubular braid is tightly woven so as to make it as narrow as practicable, one end thereof thus naturally forming a suitable compacted head c for the finished mantle, while the naturally involves a corresponding reduction! in the length of the meshes and of the fabric as a whole.
  • the longitudinal threads c c however have a resulting eXcess of length which is drawn up by the shortening of the fabric so as to form loopsor folds c, which latter must be eliminated in order to provide a practically smooth surface and secure their full reinforcing effect.
  • This is readily accomplished by pulling the surplus portion of these threads downward through the meshes ofthe fabric, from the unstretched end forming the head c, until the threads are straightened as indicated on the two middle threads c c, the surplus length being of course subsequently removed.
  • VVhatI claim is The improvement in manufacturing incandescent gas mantles which consists forming lthe to-be impregnated and burned foundation fabric therefor of tubular-braided material and interweaving therewith longitudinal reinforcing threads, shaping said fabric by diametrally stretching the main vportion thereof upon a mandrel to form the enlarged body of the mantle, and ⁇ Astraightening said interwoven longitudinal threads by pulling the drawn-up portions thereof through the fabric.

Description

E. ROSS; I
METHOD OF MANUFACTURING INGANDESGENT GAS MANTLES.
` AIPLIOATION FILED MAR.30,1908. 947,283. Y Patented Jan. 25, 1910.
EWALD Ross, or BARMEN, GERMANY.
METHOD 0F MANUFACTURING INCANDESCENT GAS-MANTLES.
Specification of Letters Patent.
Patented Jan. 25, 1910.
Application filed March 30, 1908. Serial No. 424,227.
v['o all who/1n it may concern:
Be it known that I, EWALD Ross, residing in the city of Barmen, Rhenish Prussia, Germany, a subject of the Emperor of Germany, have invented a new and useful Method of Manufacturing Incandescent Gas- Mantles, of which the following is a specification.
My invention relates to an improved method of manufacturing incandescent gas mantles.
Heretofore the fabric forming the foundation of gas mantles has been commonly produced on knitting machines or on weaving looms.
My invention provides for employing a textile fabric manufactured on a braiding machine from any suitable material but having longitudinally-eXtending reinforcing threads interwoven therewith; and for subsequently treating such fabric to produce a finished mantle of greatly increased durability.
The invention is fully described in connection with the accompanying drawing and is specifically pointed out in the claim.
Figure 1 shows my improved braidedv foundation fabric for a mantle, placed upon a shaping bar therefor. Fig. 2 is a crosssection on the line 1 1 of Fig. 1.
In carrying out my invention I produce a foundation fa bric of tubular form on a braiding machine, which fabric does not show the characteristic features of the knitted ory woven fabric ordinarily employed, but has threads a crossing each other as in an ordi` nary braid to form meshes which are elastic in structure so as to render the finished mantle less liable to breakage, and also enable the production of an improved light.
To increase the strength of the braided tubular fabric, and of the iinished mantle based thereon, I loosely incorporate therein, during the braiding operation, a number -0f symmetrically arranged stronger longitudinal threads, either straight warps as indicated at c c or diagonally extending reinforcing threads as indicated at d d. The tubular braid is tightly woven so as to make it as narrow as practicable, one end thereof thus naturally forming a suitable compacted head c for the finished mantle, while the naturally involves a corresponding reduction! in the length of the meshes and of the fabric as a whole. The longitudinal threads c c however have a resulting eXcess of length which is drawn up by the shortening of the fabric so as to form loopsor folds c, which latter must be eliminated in order to provide a practically smooth surface and secure their full reinforcing effect. This is readily accomplished by pulling the surplus portion of these threads downward through the meshes ofthe fabric, from the unstretched end forming the head c, until the threads are straightened as indicated on the two middle threads c c, the surplus length being of course subsequently removed. The fabric, thus formed and manipulated, being impregnated as usual with the solution of rare earths and subjected to the burning process, serves as a specially strong and elastic foundation. for the finished mantle.
VVhatI claim is The improvement in manufacturing incandescent gas mantles which consists forming lthe to-be impregnated and burned foundation fabric therefor of tubular-braided material and interweaving therewith longitudinal reinforcing threads, shaping said fabric by diametrally stretching the main vportion thereof upon a mandrel to form the enlarged body of the mantle, and` Astraightening said interwoven longitudinal threads by pulling the drawn-up portions thereof through the fabric.
nwALD Ross. n.. Si
US42422708A 1908-03-30 1908-03-30 Method of manufacturing incandescent gas-mantles. Expired - Lifetime US947283A (en)

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US42422708A US947283A (en) 1908-03-30 1908-03-30 Method of manufacturing incandescent gas-mantles.

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US42422708A US947283A (en) 1908-03-30 1908-03-30 Method of manufacturing incandescent gas-mantles.

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