US821920A - Insulating appliance. - Google Patents

Insulating appliance. Download PDF

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Publication number
US821920A
US821920A US25353205A US1905253532A US821920A US 821920 A US821920 A US 821920A US 25353205 A US25353205 A US 25353205A US 1905253532 A US1905253532 A US 1905253532A US 821920 A US821920 A US 821920A
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Prior art keywords
insulating
pipe
gas
outlet
pieces
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Expired - Lifetime
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US25353205A
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William A Bonnell
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Priority to US25353205A priority Critical patent/US821920A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/18—Distribution boxes; Connection or junction boxes providing line outlets
    • H02G3/20—Ceiling roses or other lighting sets

Definitions

  • My invention relates to improvements in electrical insulating appliances, and is particularly adapted for use on gas-pipe outlets and in connection with outlet-boxes.
  • the various inspection departments stipulate that all gas-pipe outlets shall be covered and insulated, and the materials heretofore most generally used for this purpose have been linen tape and circular loom-tubing. Both of these materials will absorb moisture.
  • the tape is required to be wound around the gas-pipe outlet and the metal part of the insulatingjoint with great care; but this is not generally done by the workmen, and the circular loomtubing does not cover all of the metal part of the insulating-joint nor the metal flanges of the gas-pipe.
  • Figure 1 is a vertical section of an outletboX and a single gas-pipe outlet, showing an application of my insulating-pieces.
  • Fig. 2 is a vertical section of an outlet-box and a double gas-pipe outlet, showing another application of my insulating-pieces.
  • Fig. 3 is a plan view of Fig. 2.
  • Fig. 4 is an end view at an angle of ninety degrees and looking from left to right at Fig. 2.
  • Fig. 5 is a vertical section of a three-branch gas-pipe outlet and outlet-box, showing another application of my insulating-pieces.
  • Fig. 6 is a plan view of a five-branch gas-pipe outlet, showing another application of my insulating-pieces and a means for interlocking said pieces together.
  • Fig. 7 is a perspective view of a threebranch gas-pipe outlet, showing the application of my interlocking insulating-pieces.
  • Fig. 8 is a plan view of Fig. 7.
  • Fig. 9 is an end view at an angle of ninety degrees looking from left to right at Fig. 8, and
  • Fig. 10 is aview of Fig. 8.
  • A is the outlet-box, B the gas-pipe, and C a standard form of insulating-joint.
  • D designates tubular insulating-pieces having graduated coupling ends D
  • E is a ring or bushing provided with a recess E
  • the ring E may be inserted upside down or additional rings may be added.
  • the F is the insulating junction-piece, which is also provided with a graduated coupling end D, adapted to engage the adjoining end of a tubular insulating-piece.
  • the U-shaped insulating-piece Gr may be employed, and the insulating junction-piece F may be cut away to receive same, as shown in Fig. 4.
  • the insulating junction-piece may also be extended at the bottom, as shown at H, for the purpose of covering the gas-pipe flanges I.
  • the insulating junction-piece F may be made in sections interlocked by dove tailed ends, as shown at F in Figs. 6, 7, 8, and 9, and the U-shaped insulating-pieces G may be provided with interlocking ridges G,
  • the U-shap ed insulating member G and the insulating junction member F may be formed as a single piece, and various other modifications may bemade without departing from the spirit of my invention.
  • insulating appliances comprising tubular and ring members, said ring members provided with an inner recess, and all of said members adapted to pass over and insulate said pipeoutlets.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Thermal Insulation (AREA)

Description

' PATENTED MAY 29, 1906.
No. 821,920v
W. A. BONNBLL. INSULATING APPLIANCE.
APPLICATION FILED APR. 3 1905.
UNITED STATES WILLIAM A. BOQNNELL, or BROOKLYN, NEW YORK.
INSULATING APPLIANCE.
Specification of Letters Patent.
Patented May 29, 1906.
Application filed April 3,1905. Serial No. 253.532.
To all whom, it flea/y concern:
Be it known that I, WILLIAM A. BONNELL, a citizen of the United States of America, residing at Brooklyn, in the county of Kings and State of New York, have invented certain new and useful Improvements in- Insulating Appliances, of which the following is a speci fication, reference being had therein to the accompanying drawings.
My invention relates to improvements in electrical insulating appliances, and is particularly adapted for use on gas-pipe outlets and in connection with outlet-boxes. The various inspection departments insist that all gas-pipe outlets shall be covered and insulated, and the materials heretofore most generally used for this purpose have been linen tape and circular loom-tubing. Both of these materials will absorb moisture. The tape is required to be wound around the gas-pipe outlet and the metal part of the insulatingjoint with great care; but this is not generally done by the workmen, and the circular loomtubing does not cover all of the metal part of the insulating-joint nor the metal flanges of the gas-pipe. It is largely due to the inefliciency of such insulation that short circuits occur and fires are started, and my appliances are designed to remedy those defects by sub stituting a hard non-porous highly-insulating substance of a shape adapted to closely fit over any form of gas-pipe outlet, thereby thoroughly insulating same from contact with the electric wires in the outlet-box.
For the purpose of illustration I have shown in the accompanying drawings the several pieces comprising my improved insulation and the adaptation of the same to the different forms of gas-pipe outlets as used in connection with the usual forms of outletboXes.
Figure 1 is a vertical section of an outletboX and a single gas-pipe outlet, showing an application of my insulating-pieces. Fig. 2 is a vertical section of an outlet-box and a double gas-pipe outlet, showing another application of my insulating-pieces. Fig. 3 is a plan view of Fig. 2. Fig. 4 is an end view at an angle of ninety degrees and looking from left to right at Fig. 2. Fig. 5 is a vertical section of a three-branch gas-pipe outlet and outlet-box, showing another application of my insulating-pieces. Fig. 6 is a plan view of a five-branch gas-pipe outlet, showing another application of my insulating-pieces and a means for interlocking said pieces together. Fig. 7 is a perspective view of a threebranch gas-pipe outlet, showing the application of my interlocking insulating-pieces. Fig. 8 is a plan view of Fig. 7. Fig. 9 is an end view at an angle of ninety degrees looking from left to right at Fig. 8, and Fig. 10is aview of Fig. 8.
A is the outlet-box, B the gas-pipe, and C a standard form of insulating-joint.
D designates tubular insulating-pieces having graduated coupling ends D, and E is a ring or bushing provided with a recess E,
adapted to receive the end of one of the tubes D. Where it is desired to slightly lengthen the insulation, the ring E may be inserted upside down or additional rings may be added.
F is the insulating junction-piece, which is also provided with a graduated coupling end D, adapted to engage the adjoining end of a tubular insulating-piece. For branch outlets the U-shaped insulating-piece Gr may be employed, and the insulating junction-piece F may be cut away to receive same, as shown in Fig. 4. The insulating junction-piece may also be extended at the bottom, as shown at H, for the purpose of covering the gas-pipe flanges I. The insulating junction-piece F may be made in sections interlocked by dove tailed ends, as shown at F in Figs. 6, 7, 8, and 9, and the U-shaped insulating-pieces G may be provided with interlocking ridges G,
1 adapted to engage grooves F in the openings in the insulating unction-pieces F.
, Where found desirable, the U-shap ed insulating member G and the insulating junction member F may be formed as a single piece, and various other modifications may bemade without departing from the spirit of my invention.
Having described my invention, what I claim, and desire to secure by Letters Patent, 1S
1. In combination with insulating appliances, pipe-outlets and outlet-boxes, said insulating appliances comprising tubular and ring members, said ring members provided with an inner recess, and all of said members adapted to pass over and insulate said pipeoutlets.
2. In combination with insulating appliances, pipe-outlets and an outlet-b0x, some In testimony whereof I afiiX my signature of said insulating appliances comprising tubu- 1n presence of two Witnesses. lar members and other of said insulating appliances comprising U-shaped members, any WILLIAM BONNELL of said members adapted to be joined t0- Witnesses:
gether, and all of said members adapted to CHARLOTTE ROSENTHAL,
pass over and insulate said pipe-outlets. THOMAS A. HILL.
US25353205A 1905-04-03 1905-04-03 Insulating appliance. Expired - Lifetime US821920A (en)

Priority Applications (1)

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US25353205A US821920A (en) 1905-04-03 1905-04-03 Insulating appliance.

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Application Number Priority Date Filing Date Title
US25353205A US821920A (en) 1905-04-03 1905-04-03 Insulating appliance.

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