B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
B26F1/06—Perforating by punching, e.g. with relatively-reciprocating punch and bed with punching tools moving with the work
B26F1/08—Perforating by punching, e.g. with relatively-reciprocating punch and bed with punching tools moving with the work wherein the tools are carried by, and in operation move relative to, a rotative drum or similar support
Landscapes
Life Sciences & Earth Sciences
(AREA)
Forests & Forestry
(AREA)
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)