Thawj patent rau dab tsi tuaj yeem hu ua plywood tau tshaj tawm Kaum Ob Hlis 26, 1865, rau John K. Mayo ntawm New York City.
Thaum twg plywood pib siv hauv tsev?
"Plywood: Cov Khoom Siv Hauv Ntiaj Teb Niaj Hnub" nthuav qhia zaj dab neeg ntawm plywood thiab nws cov peev txheej zoo, nthuav tawm txhua yam ntawm rooj tog mus rau tsev thiab dav hlau. Txawm hais tias nws tau tshwm sim thawj zaug hauv 1880, kev siv plywood tau nce hauv xyoo 1920, thaum nws qhia txog qhov pib ntawm lub hnub nyoog kev lag luam.
xyoo twg lawv pib siv plywood?
Qhov no tsim cov khoom siv uas muaj zog thiab hloov tau ntau dua li cov ntoo. Cov txheej txheem tau nyob ib puag ncig ntev - thaum ntxov li 2600 BC hauv tebchaws Iziv thaum ub - tab sis nws tsis yog txog thaum 1850s uas plywood pib siv rau ntawm kev lag luam.
Leej twg ua thawj plywood?
Txog 50 xyoo tom qab, Immanuel Nobel tau tsim lub tshuab dhos tig. Tom qab ntawd, lub Kaum Ob Hlis 26, 1865, thawj patent rau plywood tau muab rau John Mayo.
Thaum twg plywood thawj zaug siv rau subfloors?
Plywood tau ua cov khoom siv hauv tsev txij lixyoo 1950 thiab tseem yog qhov nyiam subflooring rau ntau tus tsim.
