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(11) | EP 0 082 209 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | An apparatus and method for forming a paperboard receptacle |
(57) An apparatus and method for forming a paperboard receptacle (10) includes male and
female dies (22; 24) which draw the receptacle from a blank (38). The receptacle (10)
is moisturized during the drawing process to plasticize and lubricate the paperboard
by injecting steam into one of the dies (22;24). |