US292318A

US292318A - Geoege kelly

Info

Publication number: US292318A
Authority: US
Publication date: 1884-01-22
Anticipated expiration: 1901-01-22

Description

(NoModel'J G. KELLY.

NON CONDUCTING COVERING. No; 292,318. Patented Jan '22, 1884.

r Jffi 6 l l a! W I W AT'TEsT: V

N: FETEKS, Phulwhlhogmpher. Washinglnn D, C.

' UNIT D STATES PATENT OFFICE.

GEORGE KELLY, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE KELLY SCROLL SECTION MANUFACTURING COMPANY, OF SAME PLACE.

NON-CONDUCTING COVERING.

SPECIFICATION forming part of Letters Patent No. 292,318, datedJanuary 22, 1884.

Application filed ma 22, 1883. x model.)

To 50% whom it may concern: As shown, myimproved covering consists of Be it known that I, GEORGE KELLY, a citilayers a, of paper or other pliable material zen of the United States, and a resident of Chifolded upon themselves in the flat, (see Fig. 2,) cago, in the county of Cook and State of Illiand which may be pasted together or not, as nois, have invented certain. new and useful desired or found most cdnvenient. When thus Improvements in Non-Conducting Coverings; laid up to the required thickness, the section and I do hereby declare that the following is is bent into the cylindrical or other shape reafull, clear, and exact description of the same, quired. (See Fig. 1.)

referencebeinghadto. the accompanying drawa is an overlap formed by an extension of IO ings, forming a part of this specification. the outer layer of paper, 8m, the purpose of Myinvention relatestoimprovementsin that which is to close the joint or seam 0. of the class of non-conducting coverings in which laycovering bylapping over the same, and pasted ers of paper are used to form .the covering; and or otherwise secured in place. the objects of my improvement are, first, to When desired, the covering can belined with 15, provide animproved construction and arrangea suitable incombustible lining-such, for in- 6o ment of parts whereby such coverings can be stance, asasbestus board. cheaply and quickly made; second, to afford When it is desiredto form dead-air spaces means whereby the covering can be readily in the covering, I arrange longitudinal strips applied to or removed from around the pipe, a, of paper or other suitable material, between 2o &c., and have its longitudinal joint or seam the layers a of paper forming the covering, in

made tight. I attain such objects by the conmanner indicated in Fig. 3, by which means struction of parts illustratedin the accompadead-air spaces a are formed in the body of nying drawings, in whichg the covering.

Figure 1 is a perspective view, illustrating Having thus fully described my invention, 25 my completed covering as applied to a section what I claim, and desire to secure by Letters of steam or other pipe. Fig. 2 is an end view, Patent, isv illustrating the manner in which my improved 1. A non-conducting covering for pipes, 85c. covering is formed. Fig. 3 is a detail end view, composed of layers of paper. 810., folded upon showing dead-air spaces. themselves in the flat, and then bent to the re- 30 The mode heretofore employed in forming quired shape, substantially as described. non-conducting coverings of paper has been 2. Anon-conductingcoveringforpipes, &c,, to roll the paper in a closed cylindrical shape composed of layers of paper, 860., folded upon upon a mandrel to the desired thickness, and themselves in the flat, then bent to the required then cut it open longitudinally, so as to pershape, and provided with an overlap, a as 5 mit of its being sprung open in placing it on described, and for the purpose set forth. S0 or removing fromthe steam or other pipe. 3. A non-conducting covering composed of This mode of manufacture is not only costly, layers of paper,- &c., in combination with longibut at the same time is laborious and difficult tudinalstrips a, arranged, as described, to to accomplish. form dead-air spaces. a

' o In my improvement, as illustrated in the In testimony whereof witness my hand this 8 drawings, I obviate most of the difficulties 18th day of May, 1883.

heretofore met with in the manufacture of pa- GEORGE KELLY.

per coverings, and more especially the neces- In presence ofsity of cutting or slitting the covering longi- ROBERT BURNS, 45 tudinally. JEROME THOMPSON.