Kev Hloov Pauv Tshiab Ntawm Lub Chaw Haujlwm Hauv Saint Paul

“Thermo-Fax”

 “Txhua yam ntawm nws tau pib nrog tus neeg sau txhais tes.”

Thaum Dr. Carl S. Miller tab tom ua qhov kev tshawb fawb thiab siv tes sau cov ntsiab lus rau nws qhov kawm tiav dov tawj hais txog khes mis hauv neeg lub cev ntawm tsev kawm qeb siab University of Minnesota, nws xav tias yuav tsum ua tiav sai, yooj yim, thiab raug nqi tsis kim txhawm rau rov sau daim ntawv thiab cov cuab yeej luam tawm. Nws koom nrog qhov kev tshawb fawb 3M thaum Lub Xya Hli 1940. Thaum xyoo 1940, nws muaj lub caij nyoog pib txhim kho cov txheej txheem theej ntawv uas siv cov duab hluav taws xob txhawm rau xa cov mem dub mus rau daim ntawv.

Qhov nyuaj yog yuav tsum tau tsim lub tshuab sab nraud nrog cov duab hluav taws xob txhawm rau theej cov ntawv. “Kev Xa Cov Ntawv Fev” kev theej cov ntawv hauv cuab yeej hluav taws xob tau tsim tawm xyoo 1948. Xyoo 1949 qhov kev tshuaj xyuas ntawm Lub Chaw Haujlwm Nruab Nrab mus ntsib 3M tau hais kom sim ua nyob rau hauv Washington, D.C. Txawm tias lub tshuab daig thiab kub dhau los xij, CIA pom tias nws muaj feem thiab muab 3M tsim nws thawj daim ntawv xaj hauv cov khoom lag luam.

Thawj daim ntawv theej “Ntawv Xa Hauv Fev” yog ib daim ntawv ua tus qauv loj. Qhov kev tshawb fawb ntxiv rau hauv lub koos pis tawj ntawm tes “Secretary” lub tshuab theej ntawv xyoo 1955. Tag nrho ob hom qauv tau siv tshwj xeeb qhia rau hauv daim ntawv theej.

“Peb lub tshuab luam ntawv thiab daim ntawv tau dhau ua ib co ntawv muag tawm uas sai tshaj plaws 3M tau muaj nyob txhua qhov hauv cov kiab khw.”  3M President Herbert P. Buetow, 1956.

3M tau tsim cov khoom thiab lub kiab khw thiab tau tsim tawm hauv feem kev luam ntawv kom txog thaum tau tsim tawm Xerox hauv cov ntaub ntawv uas cov cov ntaub ntawv tshwj xeeb tshaj plaws “Xa Ntawv Hauv Fev.”


“Scotchgard”

Xyoo 1944, 3M tau xaj cov cai rau tsim cov kuab tshuaj khes mis, cov ntsiab lus teev tseg ntawm 3M. Qhov kev tshawb fawb tau pib nrhiav hauv kev siv cov kua hluav ncaig (carbon thiab cov kua fluorine.

Ib hnub hauv xyoo 1953, cov kev ntsuas cuam tshuam txog Joan Mullin uas tau tsim tawm nws cov khau ntaub ntaus tennis tshiab thiab tshawb nrhiav pom tias nws yuav tsis tawm mus. Txawm hais tias muaj lwm qhov kev tshawb fawb hauv cov kev kuaj ntsuas txuas ntxiv nrog cov khoom.

Patsy Sherman thiab Sam Smith tau sib koom tes tsim tawm cov ntaub “Scotchgard” thiab lub tsom kom pom duab. Nws tau nthuav tawm rau hauv kiab khw xyoo 1956, tab sis nws tsuas yog ua haujlwm tau ntawm cov plaub tsiaj xwb. Muaj ntau qhov kev txhim kho txuas ntxiv txhawm rau tsim tawm cov khoom uas yuav ua haujlwm tau ntau yam thiab ua kab lus, tshem tawm cov suab tsuag, thiab tshuab cov av tawm tau.

Cov khoom tau raug rov muab tsim dua ntau zaus txhawm rau txhim kho kev ua haujlwm thiab txhawm rau daws cov teebmeem kev noj qab haus huv thiab teebmeem huab cua ib puag ncig. “Scotchgard” tseem tuav tswj kev tsim cov khoom kom muaj txiaj ntsig zoo thoob plaws 100 yam kev tsim khoom rau kev lag luam thiab rov tsim los siv.

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