APPARATUS AND METHOD FOR PERFORATING ARTICLES BY LASER
摘要
582-894A/B/C METHOD AND APPARATUS FOR PERFORATING ARTICLES BY LASER Perforations are made at locations spaced about the periphery of a cigarette by conducting separate parts of a laser beam through respective separate light paths which intersect such spaced peripheral locations.
申请公布号
CA1119912(A)
申请公布日期
1982.03.16
申请号
CA19790327074
申请日期
1979.05.07
申请人
PHILIP MORRIS INC
发明人
DULEY, WALTER;LILLY, A. CLIFTON, JR.;CLAFLIN, WARREN E.;MARTIN, PETER;STULTZ, EDWARD B.;GROLLIMUND, EVERETT C.;CASHWELL, ERNEST
