US1772654A - Method of making road mats - Google Patents

Description

Aug. 12, 19 30. w. E. WHITE IETHOD OF MAKING ROAD ruvrs Filed Sept. 6, 1928 Patented Aug;

a QM A QJ LI Q S;.e lieeaee qfl QFPELAWIARE.

a. mavens;-stre ts;agesables forc ng. concrete: structures and v particular hyrto' a method of manufactnr ng re nforc ng brie or niats forzuse in concrete5roads.;5 Theme of steel gre nforc ng' -1I1 concrete theii'appli cation 0 f the roa'ds is universalga H v e l e I 'sect10nof1fabr1c1s presteel in theform oi ferre'di: 1 "These sections: of fireinforcing mate- I rial are called mats; and are'zforrned; by utilize ing relatively small diameterdeformedbars arrangedincrossed:relation andjoinedat the intersection of the respective i-crossed "bars. Mats 'oii -this descriptiori are nsually coristructedlto contain from 100. fto 125 square feet of reinforcemenfithe' bars being spaced from 12 to 24 inches apart inzboth directiohsi The reinforcing mats as described ma ibe conyeniently assembled *and'fabricated in the shop but the problemvof handling, shipping Q and transporting to the point of :useiwhichtis usually remotel from the railroad} "involves a substantial cost "owing to-thei bulkin'ess of the articles and the care with which they must be handled in order toavdiddistoftioh.

rIt is therefore highly desirable that'the mats 1 'shonld "be constructed 'inathe field; .thatflis at form of tie is a: length of ina'lleable wire- "which is passed around the c ross' barsiat each the roadside adjacent fto thel ipoint ,ofilnse; The ,reinforcingxrods mayithem be shipped Y in blindles and handled WithEeaseWithasubstantial: saving of cost; "It "has beenproposed to do, this" by utilizing ties" ofidifl'erent gkilrd's such ashei etofore' suggested; butallsuch :ties involve very serious objections. g The simplest intersection. and tied. :Nunierous' ffori'mslof V springvjclips have ialsofibeen suggestedylthe latter providing somewhat?insecure' joint and involving fatiguing 'efijorts on :1 the part of workmen. Theizsafne,isftrnelofthe plain their, stability on the degree "of {strength exer edi ycth lw rk iian 1- *An o j t of my. inv n clip which; shall be per Inanentin character,

ilOIlflS to provide a 1 i i i firmlb ybia 'aytosibimy 6f c fl lon byordinaryhandlingfand which m y i a WILIII'Aili n'wni'iiiz, mvmsrommtmmjs, ssmabiz o Kim STEEL: @QMlP ANY? be, app ied andi ecured anyplace by a a single I motioninnltipliedwby airelatiyely long lever, thus reducing the ,eflfort reqniredof; theworkr I man;v Fllndam. n &1 y,.:the:ideais to con} strlict a tie, of :lfelatively,=verycstiif wireand entirely qmpletethefie except for-one bendy ing operation in anjautomatic wire machine;

Anotherfiimportant,requirement is thatflthe f tie I shall be: so ,constlllCted that the bending actionnecessary 'togco'mplete itgshall require 1a motioniofzless than 180 degrees for the fol- :lowing'reason. Thetie tocbe efliefctive must 7 .60

be 1 constructedfof very, stifi wire which necessitates the ;l' 1sel0f: a lever in: order to enable the {workman ,toj bendg'i't. 1 I In mate .of ithis 1 ichaela e e he bars? are treletively cl se to? g th r? and a ymot onao 'o evt 1 0 f- ;gl ees with :a} lever, oe suflioient length is impossible (111e to interference with adjacent bars. ;Theref0re1,the:.tie must be so:;'constrncted that it maybe formedlin an ajutomaticwi efimae i e, app ed :i p s io and [completed by jas'ingle shortrotary; movement. ;The wire-,-ofcourse takes iapermanent set and, (1116 1 30 its;stillness,gservingasanefiicient hold iing device for; the crossedbarsf.

fbars maybe shipped llO jtllgllOa -dslde laid out on"animprovisedgforin in properj spaced rela ition and the tie; rapidly iapplied bythej nse,

of a simpletool. Inthis nannen on'e vwork 1 ,lnan inay manufa'ctnrethe' mats at the road: .sidejas rapidly asthepouringl of the concrete proceeds. A: hi wi -7 }1- ,-'Ilhe,method hereinjdescribediwill beinore f readily understood by referenceto the accord pa nying,drawing s, in which V rtF g-l t p spec i e Vi -.shoW ne1emvWire clips ,f which are i wholl yi dependent forc ewithj'za tieiof this characterQathilzibk; the t porary holding rack or form with a; plurality of reinforcing bars laid thereon e i F'ggqZis anenlarged 'de e1evation ofthe ni s ip ea orm d ioneaf er.itha a Z bee pl ce attheeij n i nco' bar and when a bar, and then by a sing'le]simple rota? motion ihrough les sjthane 180 degi'ees, be

ing thelo'ng leg partlynr i nd nelof the] bars-t0 completethe tie} thestability eofthe" tie being dependent J on :the stiffn'es'sbf the Wire Of the tie.

In testimony whereqf hef has signature.

-W I IAME WHITE. Y

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