US1789657A - Process for cleaning ollas - Google Patents

Description

Jan. 20, 1931. R. w. MCCARTY ET AL 1,791557 PROCESS FoR CLEANING QLLAS Filed March 8, 1929 v 2 Sheets-Sheet l ruk Jan 20, 1931. R. w. MccARTY ET AL 1,789,657

PROCESS FOR CLEANING OLLAS Filed March 8. 1929 2 Sheets-Sheet 2 uf, 4 f1 The @regent invention; retti-esto improve:

nsgdineyaporatve Wattevroplelgs.Ik Y v @Hasi vare @Gush-.uwen @tf-,Clay fan-d4 f are# burnedinfn fkifln tof ofthe .oll An .olla 'Sweat ectionztlf nuttigen Y cintedn it. :ldsg personita blieye that the WaterQontaL-nefd Yin thev 00016111 also,l lhasa cef ent therein.:

V j Itis thereforegone ofthe vp f evaporative@Waterfowl chemical..reactiontakes 'from dsk;

injuring the @lla o' resulting -inlhav'vinglan El? t 9;,- f

feet upon Athe- ,Wnter .thtti'sloontA ned: ollanhenlthe :Same '511s dY trib -tolprovlde at tre rocesy fnrlclanmg n Ov .Y ,jcamrigd fonti penindusl f Figure isy' Sectional,vewthronghfgft- ,Vlew s howingfthe manner 1 Figure .6

to accommodate approximately three-hundred andl sixty ollas and the ollas are submergedV in the chemical solution in the tank 1V `for approximately twelvehours. c After soaking in the chemical solutionk in the tank I1", the" olla is removed Htherefrom and isplaced: withinva suitable crock 2 that" 'p rests on arben'ch or the likeshown at 3 -in Figure 2; .However before the lollaisplaced k:au

, thepivoted plate-like member 4 `that extends acid treatedy olla "is removed from the crock in the crock 2, the holeformed in thelside of the olla A adjacent therbottom thereof for receiving the usual faucet -is-closedy by a suitable stopper or bung B. This crock 2 is adapted to contain a chemical solution conesisting of approximately v75% of hydrochloric or u muriatic acid @and 2.5% water.

yDuev to thefbuoyancy of the o'lla,`mthe Vsame has a tendency to risey upwardly 'in the crock 2 'and A:for the purpose of maintainingthe olla submerged in the chemical solution fin the crock,`we provide suitable' means, `such as acrosstheftopfof the crocky andalso across the open ,top Yof theneck of'tlieollafin the manner asiclearly suggested 'inf'Fi' ure' 2.

, 'Thesolla'is submergedin-Ythe a'ci solutionvv in the crock 2k for oneminute after which the andvplacedinthe sand. box 5 shown in Figure ',andisand is rubbed over the outer surface ofthe olla to remove. or scrub the acid olii" asthe acidlfhas a tendency tol injure i the olla if leftonthejolla :fora long p 4 c f ",Thernextcstep in carrying Out my improved process resides in positioningthe olla ina polishing@ paratus such as is showndia# grammatica lyjinv Figure 4 andwhich apparatusincludesapair yof vertically spaced `standards and'?v respectively across the up# perends of .which is 'disposed a cross rod or 'barS` onwhichisslidably arranged the sleeve 91and carried bythisisleeve'is 'the radially disposedarmlO that has associatedwith its outer Vend, abrush unit denotedgenerall by r the numeralill,l Af-handle 12 extends radially irornthe opposita'sideof thejsleeve 9l for Vmanually:actuatingthe'bru'sh{11 over the outer surface of the olla undergoing the vpolishing '-treatinent.` r

f Ths011ais'-he1d in thev polishing machine in a horizon-tal position andto this end, the

closed'en'd' ofthe ollafisfarranged within a clamping head 13 carried by the innergend of a rotatably drivenfshaft i 14 Vthat is journaled through a suitablebearingfl'*carried by the yvertical standard 6 and adrivepulley 17 is ,securedon'the outer end of this shaft 14 for connection with a suitable drivingv mecha;-

nism' for rotating the shaft 14;V l I f 4Anaxiallyffmovable kshaft 18 isarranged withiny aY suitable bearing '19 carried by the i other .uprighm anda suitabierrtatableeio.,

sure 20 is carried by; the inner endqfofthey axiallymovable shaft' 18-for disposition with'- in4 the-open end'm theffolla. c,

outer surface of the The processurtlier immessi' i When the olla is properly supported in the polishing apparatus, and the brush 11 is moved across the outer surfaceof the cylinvdrical olla, during the rotationof the olla,

the outer surface lof the olla will be polished evenly Yand during the polishing operation,

sand maybe sprinkled 4on they olla to leffect the removal of the acid fromthe outer sur-v face.

,The next Vstep in' the processconsists in submerging `the polished olla ina tank of water -2l1-shownin Figure 5 for thefpllll@Se of washing L'oli the sandthat remains von the I olla V(after. the polishing operation.- y j contemplates thepro-` vision fof means for sterilizing and sweeten-v ing the olla' and l1:('Yt1-l1is end, we provide the bench or table`f22 tol which extends upwardly the air or steam jets'or nozzles28 having supply pipes 24fassociat`ed-therewith anda valve y25 of any conventional construction isarranged in each supply-line. e

' The olla after beingremoved from the' tank 21 is positionedinlan inverted fmanneron theztop 'of the table'22l .over one of thepjets u or nozzles 23 so that steam ora ldryheating medium rwill be sprayed against the inner sur-v lfaces ofthe olla;

' 'After being subjected to this's'tea'in ory dry heat treatment, the olla is placed in a large tank :of "pure' "waterl where it"y remains subrnergedior several `hours and uponV being'v removed from.this'tank of water, the" olla is thoroughly cleaned and may again bejused in evaporativewater vcoolers inthe same manner that a nevvolla is used.

Thechein'icl"reactionthat takesplace durling the secondV step Aof, the above process may v be more clearly expressed by theffollowing formula:

' Gaooinsancizoucansino.-"

[be removed, then removing the'chefmical solution kfrom the-outer 'surface ofthe olla, then brushing vthe outer-"surface f of the cleaned` It 'will thusbe seen from thefforegoing olla, and.' 'subsequentlya.submerging "thebrushed olla inrclear water; ,u l f 2. A process for cleaning ollaso'r other clay productsfwhichhconsists insubjecting 5 thereof.v

i 10 face of the acid treated olla, torenve'the LCd'` l 15 tures.

o -Y l' outersurfaoe ofthe ollatofan .acid contan- ,Y ing solution, then sanding-'fand brushing `the l outer surface ofztheacid treqted-o11ajtofre-f Y move the acid Solution from the'outersurfae 4 3.v Aprocess for cleaning ollas or'otherelagyY Y productsv Whiohxconsistsin "subjecting the I outer surface of the olla to 'an acid con; taining solution, then sanding the outers'uril solution from theouter sur'faejthereothen e .brushing the 'olla' and subsequen l1y submerg ing the brushed ollaY` n'clear Water. l

v In testimonyl whereof Weaixour ROBERT WALKEtMcCARTY e Y o i; CALVINWLLLIAM umonnrr.`

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