' s ▁housing . ▁When ▁a ▁hole ▁p unch ed ▁in ▁the ▁paper ▁passed ▁over ▁one ▁of ▁these ▁holes , ▁it ▁caused ▁the ▁correct ▁key ▁to ▁strike ▁tun ed ▁t ines ▁inside ▁the ▁case , ▁producing ▁the ▁desired ▁t une . ▁The ▁keyboard ▁could ▁also ▁be ▁played ▁manually . ▁The ▁device ▁was ▁never ▁finan cially ▁successful ▁for ▁Che in ▁due ▁to ▁its ▁complexity , ▁high ▁price ▁and ▁the ▁rise ▁to ▁domin ance ▁of ▁purely ▁electronic ▁musical ▁instruments . ▁ ▁In ▁the ▁late - 1 9 6 0 s , ▁Che in ▁entered ▁into ▁a ▁lic ens ing ▁agreement ▁to ▁produce ▁" Pe an uts " ▁characters , ▁which ▁continued ▁through ▁the ▁early - 1 9 7 0 s . ▁In ▁the ▁mid - 1 9 7 0 s , ▁Che in ▁sold ▁its ▁Ren wal ▁division ▁and ▁focused ▁upon ▁manufact uring ▁l ith ograph ed ▁sheet ▁steel ▁house war es ▁such ▁as ▁kitchen ▁can ister ▁sets ▁and ▁waste b ask ets , ▁under ▁the ▁brand ▁Che in co . ▁They ▁also ▁produced ▁lic ensed ▁metal ▁containers ▁for ▁food ▁br ands ▁such ▁as ▁Hein z , ▁S unk ist ▁and ▁Max well ▁House . ▁In ▁ 1 9 7 9 , ▁to y ▁manufact uring ▁was ▁ph ased ▁out ▁entirely . ▁In ▁the ▁late - 1 9 8 0 s , ▁Che in co ▁was ▁sold ▁to ▁the ▁Atlantic ▁Can ▁Company , ▁who ▁then ▁changed ▁its ▁name ▁to ▁Atlantic ▁Che in co ▁Corporation . ▁The ▁company ▁was ▁bes et ▁with ▁manufact uring ▁problems ▁resulting