US965880A - Globe for lamps. - Google Patents
Globe for lamps. Download PDFInfo
- Publication number
- US965880A US965880A US19855904A US1904198559A US965880A US 965880 A US965880 A US 965880A US 19855904 A US19855904 A US 19855904A US 1904198559 A US1904198559 A US 1904198559A US 965880 A US965880 A US 965880A
- Authority
- US
- United States
- Prior art keywords
- globe
- lamps
- glass
- edge
- ware
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
Definitions
- My invention relates to globes for lamps, within which term I desire to include also domes and other analogous translucent inclosures adapted to cooperate with. the burner to effect the proper combustion of the gas or oil and a proper distribution of light.
- Figure I is a sectional elevation of a dome embodying my invention
- Fig. II is a sectional elevation of a globe embodying my invention.
- the strip consists of a woven asbestos tape which is caused to adhere to the edge of the glassware by a ce menting material, preferably water glass (sodiumsilicate)
- a ce menting material preferably water glass (sodiumsilicate)
- This tape preferably and for obvious reasons embraces both sides or faces of the glass-ware adjacent to the edge.
- the tape is preferably placed around the edge ofthe glass-ware and per- .manently secured thereto.
Description
R. M. DIXON. GLOBE FOR LAMPS. lIP-LICATION FILED MAR. 17, 1904.
Patented Aug.
' ATTORNEYS HEATING"iiz'LIGft-ITZTNGHCOINIPANY,QA conrona'rronor airway eLonE iron LAMPS:
v f specifieation of L'e'ttersPatent. j Patented tha A ears, filed Maren iaji'sioki. Serial no. 198,559.
earn r ch.e teens u (all b all whom it may concern:
Be it known that I, Pioneer M.'D'1xon, a citizen of the United States, residing at East Orange, inthe county of Essex and State of New Jersey, have invented certain new and useful Improvements in Globes for Lamps, of which the following is a specification.
My invention relates to globes for lamps, within which term I desire to include also domes and other analogous translucent inclosures adapted to cooperate with. the burner to effect the proper combustion of the gas or oil and a proper distribution of light.
In the accompanying drawing, I have shown two forms of construction. in which my invention is embodied.
In this drawing, Figure I is a sectional elevation of a dome embodying my invention; and Fig. II is a sectional elevation of a globe embodying my invention.
As the. invention is designed principally for application to gas lamps of the Pintsch type, I will, in the definite description of my invention, confine myself to gas lamps but it is to be understood that in so doing I am merely setting forth the best mode now known to me of applying my invention; that this description sets forth but one example of my invention and thatI do not limit my-- self in any manner, desiring to include within the terms of my claim such analogous devices as may be justified by the prior'art.
I find in. operating gas car lamps that there has been considerable difficulty in properly packing the joint between the globe or dome and the metallic parts of a lamp.
In order to avoid redundancy, I" shall in this specification treat the words globe and dome as synonymous;
The necessity of properly packing the joint or joints referred to is twofold: first, to avoid; the objectionable entry of air through the joint which would disturb the normal air currents in the lamp; and second, to provide means for preventing objectionable contact and' rattling of the glass-ware against the metallic parts of the lamps.
It has heretofore been proposed to employ a soft fibrous heat insulating material laid or ,tamped into a groove. I have observed that this is sometimesobjectionable for the reason that it is extremely diiiicult, if not impossible, to secure absolute uniformity in the body of the said ring, the result being that owing to the irregularity of the thiclo ness or depth of the fibrous nonconducting mater'ialthe joint has been of an irregular character permitting air to enter to an obectionable degree and failing to provide at some points in the edge of the glass-ware adequate insulation from the hot metallic parts of the lamp, whereby the edge of the glass-ware is not of uniform temperature throughout its entire extent setting out 0bjectionable strains in the said edge.
These and other objections are obviated by my invention which, briefly stated, consists in securing the soft or non-heat conducting material permanently to the edge of the glass-ware instead of packing it into a groove or applying it loosely to the metal parts, with which the glassware contacts.
In the drawing, I have shown a dome A and a globe B the globe having an inturned edge 6. To the edges of the globe and dome I apply a soft fibrous non-heat conducting strip a but it is obvious that any material of a yielding character can be employed. In the present instance, the strip consists of a woven asbestos tape which is caused to adhere to the edge of the glassware by a ce menting material, preferably water glass (sodiumsilicate) This tape preferably and for obvious reasons embraces both sides or faces of the glass-ware adjacent to the edge. In plain words, the tape is preferably placed around the edge ofthe glass-ware and per- .manently secured thereto.
It will be understood that in employing the word glass-ware, I do not limit my self to glass but that other and analogous materials are intended to be included in such term. j
Having described my invention, what ll" claim and desire to secure by Letters Pat-- cut is As a new article of manufacture, a globe or dome of vitreous, transparent material having an annular rim portion inclined at an angle with respect to the body portion,
and an annular eontinuoue strip of asbestos of said rim by means of a non-combusformed into adrinlg end hgvingdits aides in tible, non-decomposable, adhesive substance. openseparate re atlon a a te to t over 7 khe inclined rim portion 0 7 said; globe to 4 ROBERT DIXON 5' orm an inner and outer continuous pro- Witnesses:
tector therefor, said strip being perma- F. E. Knssmonn, 1 nently secured to the inner and outer mar- ELMER E. ALLBEE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19855904A US965880A (en) | 1904-03-17 | 1904-03-17 | Globe for lamps. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19855904A US965880A (en) | 1904-03-17 | 1904-03-17 | Globe for lamps. |
Publications (1)
Publication Number | Publication Date |
---|---|
US965880A true US965880A (en) | 1910-08-02 |
Family
ID=3034277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US19855904A Expired - Lifetime US965880A (en) | 1904-03-17 | 1904-03-17 | Globe for lamps. |
Country Status (1)
Country | Link |
---|---|
US (1) | US965880A (en) |
-
1904
- 1904-03-17 US US19855904A patent/US965880A/en not_active Expired - Lifetime
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