|Publication number||US728828 A|
|Publication date||May 26, 1903|
|Filing date||Jul 5, 1902|
|Priority date||Jul 5, 1902|
|Publication number||US 728828 A, US 728828A, US-A-728828, US728828 A, US728828A|
|Original Assignee||Sarah Hall Arkell|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (28), Classifications (2)|
|External Links: USPTO, USPTO Assignment, Espacenet|
PATENTED MAY 26, 1903.
J. ARKELL. PAPER FABRIC. APPLIOATION FILED JULY 5, 1902.
Mitnasses: In wentor W by mtg.
UNITED STATES Patented May 26, 1903.
JAMES ARKELL, OF CANAJOHARIE, NEW YORK, ASSIGNOR TO SARAH HALL ARKELL, OF CANAJOHARIE, YORK.
SPECIFICATION forming part of Letters Patent No. 728,828, dated May 26, 1903.
Application filed July 5, 1902. Serial No. 114,374. (No specimens.)
f all whom it may concern:
Be it known that I, JAMES ARKELL, a citizen of the United States, a'uda resident of Oanajoharie, in the coun'ty'of Montgomery and State of New York, have invented certain new and useful Improvements in Paper Fabrics, of which the following is a full, clear, and exact specification.
This invention is an improved paper fabric for purposes which require flexibility and elasticity in all directions combined with tensile strengthin all directions, the elastic-.-
ity and'flexibility enabling the fabric to yield either locally or as a whole to strains or blows, which by virtue of the properties inherent in this improved fabric are distributed and dispersed in all directions. This improved fabric is formed in the contour of two or more series of waves or undulations crossing each other at an angle,'the waves of each series partaking of the undulatory form of the waves of the other series. In this way the continuity of'the waves of each series is prethe other direction.
served'aud the undulatory contour of the fabric is maintained in difierent directions-' as, for example, longitudinally and transversely of a sheet-thereby enabling the sheet to be stretched in any or all directions.
I am aware that various paper fabrics have heretofore been softened and made flexible by corrugations or creases, and I am also aware that paper fabrics have heretofore beencorrugated in two directions, longitudinally and transversely of the sheet; but in all such prior instances known tome these cross-corrugations have been made by passing the fabric twice between fluted or corrugated rolls, first in onedirection and then in The effect of the second or crosswise passage between the rolls is to interrupt or altogether remove the continuity of the firstseries of corrugations to a greater or less extent, accordingto the character and dampness of the fabric and the con tour .of the rolls. A fabric thus treated will- I which it passed, diminishing or re-forming to a. greater or less extent f the corrugations 59 formed by the firstlpassage through the rolls.
the preceding figures.
The piece of fabric 8 is provided with the' two series of wave-like undulations l0 and 11. These two series are herein shown as crossing each other at substantially right angles. The number of series of waves employed and the particular angles at which they cross each other are, however, not essential features of the present invention. The waves 10 are herein shown to be much wider apart than the waves 11; but theyinay obviously be spaced in any desired relation, equal or unequal, regular or irregular, ac-
cording to the particular pattern appearance desired'or according to any other influencing considerations.
By reference to the figures it will be seen,
that the contour of each wave of both series is continuous, by reason of the fact that each series of waves partakes'of the undulating contour of the other series. Hence the fabric is disposed in a contour which is undulating in directions which are at an angle with each other. As most clearlyshown in Fig. 3,
the waves 10 enable the fabric to be readily stretched in a direction transversely to those waves, while, as shown in Fig. 4, the waves 11 enable the fabric to be stretched in a direction at right angles to those waves. These crossing series of waves are preferably disposed substantially at right angles with each other, especially when only two series are employed, as herein illustrated, and when it is desirable to confer upon the fabric the greatest degree of elasticity in all directions. Whenthe fabric-8 or the fabric 12 of Fig. 5
is stretched in a diagonal direction to both -series of waves, each series contributes to the stretch in a proportion determined by its an;
gular relation to the line of pull. For example,
an angle of forty-five degrees with both waves.
It is obvious, however, that the two series of waves may be disposed at any desired angular relation with each other or with the sheet of fabric. It will also be apparent from Figs.
- 2, 3, and 4 that the waves of the two series need not be equal in depth or in width. Most paper fabrics havea natural tendency to stretch more readily in one direction than in the other, and this or anysother characteristic of the material may and should be taken into account in determining the dimensions and proportions of the two series of waves or corrugations. By the process and mechanism which I propose to employ for forming these compound contour waves they are formed in all directions at the same time, so that neither series has any tendency to obliterate the other series. That process and mechanism,
however, form no part of the present inven= tion.
I claim as my invention- '1. A paper fabric having the contour of a plurality of a series of waves crossing each other at an angle, the waves of each series partaking of the undulatory form of the waves of the other series.
2. A paper fabric having the contour of two series of waves, crossing each other substantially at right angles, all portions of the waves of each series partaking of the undulatory form of the waves of the other series.
In testimony whereof I have signed my name to this specification in the presence oftwo subscribing witnesses.
4 JAMES ARKELL. Witnesses:
' 0. DzLE-MMON BARTLETT ARKELL.
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