|Publication number||US1209736 A|
|Publication date||Dec 26, 1916|
|Filing date||May 29, 1916|
|Priority date||May 29, 1916|
|Publication number||US 1209736 A, US 1209736A, US-A-1209736, US1209736 A, US1209736A|
|Inventors||Anton T Lueckenbach|
|Original Assignee||Anton T Lueckenbach|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (8), Classifications (4)|
|External Links: USPTO, USPTO Assignment, Espacenet|
A T. LUECKENBACH.
PRESSBOLL FOR PAPER MAKING MACHlNES.
APPLICATION FILED MAY.29| I916- LQQJY. Patented Dec. 26,1916.
g, M0 A5390 TIJUBEKEIIII H.017- fi g ,442 Y.
ANTON T. I4UECKENBACH, @F NEEN, WISCQNSDI.
PRESS-ROLL FOE, PMAG MACHINES.
To all reborn; it may concern:
Be it known that ll, ANT N T..Luncxnn.-
BACH, a citizen of the United States, reside ing'at Neenah, in the county of Winnebago and Statejof Wisconsin, have invented a new and useful Press-Roll for Paper-Making Machines, of which the following is a specification. I
My invention relates to the making of a roll the-outer surface of which is of wood,
and the object of the improvement is to form "a wood surfaced roll that will have a uniform density and a smooth. even surface, I one that is not formed of a solid log, as
logs that are of a diameter, length and quality suitable for such rolls are not only very scarce and dificult to obtain, but often re-.
rolls can be made at a cost.
quire f transportation many hundred miles and at a great cost, while by my improved method ofmaking the rolls from plank, the comparatively small My invention eonsistsof building a wood surface upon a metallic core and forming a series of ribs longitudinally arranged around I the core of such form as will be adapted to hold a stave between said ribs, and then fitting staves in between the ribs entirely around the core, and it is shown in companying drawing in which,--
Figure 1 is a side-elevation of a roll and the acits journals, the central circumferential surface of the roll beingbroken and showing the roll'core. Fig. 2 is a longitudinal section of the roll, on line 3, 3, of Fig. 3. Fig.
- '3 is an end elevation of the roll. Fig. 4 is a plan of one of the staves which forms the outer surface of the roll, broken in its length. Fig. 5 is a perspective view of one end of a stave. Fig. 6.is an end view of a stave of a modified form from the one shown in Fig. 5. Fig. 7 is a fragment of the core in section upon the line 2, 2, of Fig. 2.
Similar numerals indicate like parts in the several views. y
. 1, indicates the journals of the roll; 2, the body of the roll core which maybe of any length and diameter that'is required in any This body is provided with a series of ribs 3, which are arranged in parallel relation around the core lengthwise of the roll, the ribs being provided each with a T shaped head somewhat like the tread of a railroad rail, it being essential that the Specification of Letters Fatent.
ribs 4, each have an overhanging flange 5, upon opposite sides of the rib that isadapted to retain a wood stave in contact with the outer surface 6 of the core body when fitted to and driven in between two ribs. The overhangin part 5 of each rib is curved where it joins the web 11, and around its entire outer surface and the stave for covering the roll has its grooves 9, for fitting the ribs correspondingly curved, so that there are no angular corners in the grooves in the staves from which a split in the wood will be liable to start. ,Staves 7, are to be made of plank of a kind of wood and quality suitable for the outer surface of the roll and of a width and thickness required for any particular roll. Upon the edges 13,
grooves 9 are to be formed for receiving the overhangingflange 5, of the rib, and inside of said grooves the edges 10 are to be made parallel and the edges 13 radially formed and the stave made of such width as will permitit to be driven in between the Webs 11 of two ribs, and in close contact with the v Patented Dec. 2%, T9916. Application filed Flay 29, 1916. serial Ito. 109,630.
surface fi of the core. The part 12 of the stave that is above or outside of the rib is formed into a wedge shape as is shown in" Fig. 4, with the edges 13 thereof formed radially and so that the end of a finished vroll will present a wide end 14?, andnarrow length and the surface of the roll turned ofi until a round and smooth surface is produced. After use, should one or more of the staves show a defect which destroys its usefulness, said stave or staves can be driven out and those that are perfect driven in, cut to the required length and the roll turned ofi until a smooth surface is obtained.
I am aware that rolls have been made with a wood surface upon a metallic core, such for instance as the rolls patented by WilliamC. Nash, February 9, 1909, Nos. 912,254 and 912,255, in which the wood surface is formed of a plurality of blocks of wood with the aim of the wood radially arranged, end lungs and bolts through the rings and cores being used to clamp the blocks together. upon the rolls.
Having described my invention, what I claim and desire to secure by Letters Patent,
1. A wood surfaced paper machine roll comprising a metallic core adapted for revolution in journal bearings andhaving a comparatively smooth outer surface, a plurality of ribs longitudinally arranged and v parallel, along the outer surface, a T head upon each rib adapted to retain a stave between the T heads of two adjoining ribs, and staves fitted upon their inner surfaces to contact with the outer surface of said core between the 'webs of adjoining ribs and under the flanges of the 7?" heads of said ribs and their outer portion provided with radially formed edges which taper from one end to the other and are adapted to be driven in between adjoining ribs around the roll with the wide ends of the staves alternately arranged.
2. ][n a wood surfaced roll for a paper making machine having a metallic core and a plurality of ribs having T shaped heads upon their outer ends, a stave for covering said core of a length equal to the length of the finished roll having a groove upon its opposite edges adapted to be engaged by the T head of a rib, the part of the stave inside of said grooves having parallel edges adapted to fitin between the webs of adjoining ribs and the inner surface of the stave to lie in close contact with the outer surface of the core, and the part that is outside of'said ribs having its edges made neon-wee radial and tapering from one end of the stave 'to the other.
3. A stave for the outer surface ofva paper making machine roll which is adapted to beretained upon the outer surface of a metallic roll core between parallel ribs having T shaped heads for retaining the staves upon the core, consisting of a plank formed of wood of a length equal to the length of the finished roll, its inner face being adapted to lie in contact with the outer surface of said core between two of said ribs, a groove along opposite edges of the stave in parallel relation, the edges of the stave inside of the grooves being fitted for being driven in between the Webs of adjoining ribs, and the part of the staves that is outside of the ribs having its edges projecting an equal distance outside of the edges of the part that is inside of the grooves formed radially and made tapering from one end of the stave. to the other.
4.. A. wood surfaced paper machine roll comprising a metallic core adapted for revolution in journal bearings and having a vcomparatively smooth outer surface, a plurality of ribs each havin a thin connecting web extending at equa spaced distances apart, radially from around said outer surface arranged longitudinally and parallel, a 'l head upon the outer extremity of each web, the connections of said heads with the webs and around said T heads being curved surfaces for their less tendency to start a split in the wood covering'than if there were sharp angles upon. the 'l' heads.
ANTON T. LUECKENBACH., Witnesses:
G. QUADE, G. M. Arena.
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