US1169895A - Manufacture of reinforced paper, pasteboard, and the like. - Google Patents

Description

A; WENDLER.

MANUFACTURE OF REINFORCED PAPERRASTEBOARD, AND THE LIKE.

- APPLicAnoN FILED JULY 20, 1909.

1,169,895, Patented Feb-1, 1916.

2 SHEETS-SHEET I.

A. WENDLER.

MANUFACTURE OF REINFORCED PAPER,PASTEBOARD, AND THE 'LIKE.

v APPL'ICA-T ION FILED lULY ZO 1909. I 1., 169,895, Patented Feb. 1, 1916.

2 SHEETS-SHEET 2.

JZCaaZ? I of paper,

ALEXANDER WENDLER, OF CHARLOTTENBURG, GEBIIIANY.

MANUFACTURE OF REINFORCED PAPER, PASTELBOARCQ'AND THE LIKE. I

Application filed July 20,1909.

To all whom it may concern:

Be it known that I, ALEXANDER VENDLER, a subject of the German Emperor, and residing at Charlottenburg, near Berlin, Ger- 7 man Empire, have invented certain new and useful Improvementsin the Manufacture of Reinforced Paper, Pasteboard, and'the like, of which the following. is a specification.

My invention relates to the manufacture millboards f and other forms of pasteboard and the like, of that class in. which longitudinal "wires and crosswires are incorporated in the material by a continuous operation, the wire for forming the transverse members being wound around the longitudinal members, without being in'terwoven therewith.- In prior :machinery for this purpose a large number of separate continuous cross'members, each delivered from its own reel, are employed, a net work being. manufactured therefrom and immediately embedded. in the advancing paper pulp.

Such machinery, however, is essentiallycomplicated by the presence of so many reels, together with the requisite supporting-cylinders and the like for sustaining and guiding certain art1cles,

the network. Moreover, for such for instance as reinforced paper sacks for cements and other heavy goods, reticulate strengthening is wholly unsuitable. For these sacks, as iswell known, are so made that the strain is in the direction of the paper web and in a direction at right angles thereto, while in the network the cross members necessarily run at a pronounced inclination to the' longitudinal members, so

I that they do not coincide with the direction substantially right angles.

of strain. The load is first taken up by the unstrengthened paper between the meshes, while the latter themselves are distorted, without the wires bearing the strain.

The purpose of j my invention is the production of a material in which the-transverse wiref's cross the longitudinal ones at \Vhen such n1a-. terial is used in' the manufacture of cement sacks and the like, it is manifest that the directions of the strain due to the load, are coincident with the directions of the longitudinal and cross-wires, so that the load. is borne directly by the wires, attaching tothe use of netted reinforcing material are thus entirely obviated. In carrying outmy invention the reel of wire" for the cross members is conducted.

Specification of Letters Patent.

'2, 3 is an endless apron running and the defects Patented Feb. 1. 1916. Serial No. 508,615.

. around the two outer longitudinal wires;

or around two longitudinal extensions of such wires. At the places of bend of the crossing wire around the outer longitudinal ones, the crossing wire is drawn tightly against the outer longitudinal wires; or instead of this, the crossingwire may be seized by-two rollers located at a slightdistance in front of the reel, which press down the places of bend. V

It, is obvious that the cross wires will lie the closer together, that is, the angle at which they cut the longitudinal wires will the more nearly approximate to a right an-. gle, the more rapidly the reel travels. Where such rapid motion is impracticable, two or more reels may be employed.

I would have it understood that throughout this specification I employ the word ,wire in the broadest sense, as designating any long thin wirelike or filamentous member, and I do not therefore intend to restrict myself solely to threads of metal, but may use filaments of any suitable material what- My new, method of manufacture is illustrated in the accompanying drawings, in which certain forms of apparatus are shown suitable for carrying out the process.

Figurel is an elevation and Fig. 2 a plan .of one form of apparatus in which the reel of cross wire 1s.carr1ed by an endless apron.

Fig. 3 is an elevation and Fig. 4: a plan of a modification in which the reel of cross wire is secured to a wheel. Fig. 5 is an elevation I and Fig. 6 a vertical cross section of a second modification in which two reels of cross wire are employed, traveling between tracks.

Referring moreparticularly to Figs. 1 and o ver two pulleys or rollers 1, 2, the one of which isdriven in suitable manner. any other suitable,v member, such as a sprocket chain might be employed. To the apron 3 there is secured a reel '4: to hold the wire 5 for the crossing members. The two outside members 6;.

apron 3, which Instead of an apron.

7 of .thejlongitudinal wires run between the .two stretches of the longitudinal wires. (not secured to the rim of a wheel a hollow shaft 10, drivenby a 12 is a tubular T-piece telescoping in the hollow shaft 10 and adapted to receiveand hold apart the two outermost longitudinal wires 6, 7, whichpass along the interior of the shaft 10. 13 is a reel on which the Wires 6, 7 are wound and which is under the in? fluence' of the weight 14 which exertsa braking action. .On the wire is delivered aid of the tension device or guide l5-around the longitudinal wires 6, 7, thus forming cross wires. Wires 6, 7 might be fed. like the ate longitudinal wires from the 17, the rollers 18, 19 b brought sufliciently near that they may press the cross wire down'at the places where itbends around the longitudinal wires 6, 7. In such event it is naturally unnecessary'for the shaft to be hollow. This method might also be applied to, the apparatus shown in Figs-.1 and- 2.

eferring'now to the modification shown in Figs. 5 and 6, the standard 19 supports the two pairs of concentric- endless rails 20, 21, between Which run the rollers 2:2 mounted at the ends of the spindles -24 of the reels 4 for the coil. of cross wire 5. 26 is an end less chain which receives its motion from a sprocket wheel 28 driven by a belt pulley :29.

intermedirollers 16,

The chain 26 is furnished with catches 30,

which engage the extensions of the spindles 24, whereby the reels at'are carried around the apron and 9, mountedon belt pulley 11."

'viding paper 'or the like with rotation of the wheel 9 by the reel 4 with the If desired the longitudinal eing in this case tofthe wheel 9, so

tracks between thetwo rails 20, 21', and cross wire 5 thus wound around the outer longitudinal wires 6, 7.-

Inplace of a single sprocket wheel and chain, two such might be provided, one at each side of the spindles 2%. Naturally. an

pulleys might be employed instead of a chainandwheel.

Having thus described my invention, I declare that what I claim as new and desire to .ecure by Letters Patent is- '1 The herein described method of proan incorporated,

consisti in stretching continuously running, pa -'allel, longitudinal edge strands,

winding a continuous strand around said ongitudinal strands,

intermediate strands between said edge strands, and incorporating the reinforce- 7 -n0n-reticular, non-interwoven reinforcemnt of longitudinal and cross strands,

running continuous vi-ding paper or the like with'an incorpo- .rated,,. non-reticular, non-interwoven 'reinforcem'ent'of longitudinal and cross-strands, consisting in stretching parallel edge and short intervals from each other, winding around said "longitustrengthening strands which extend at nearly a right angle to the longitudinal strands,'.and incorporating the reinforcement so formed in'the paper.

.In testimony whereof I afiixmy signaturein presence of two witnesses. v I

ALEXANDER WEN-DLER. Witnesses: I I

11m n? HAsPER, WoLoE An' HAUPT.

intermediate longitudinal strands spaced .at

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