| 摘要 |
373,872. Envelope-making machines. JOACHIMCZYK, M., 33, Knesebeckstrasse, Charlottenburg, Berlin. Aug. 28, 1931, No. 24262. [Class 94 (ii).] A process for making envelopes of ordinary form, consists in leading a web from a supply spool through feeding rollers, printing gear, an intermittently gripping roller pair 5, blank forming knives 6, gumming rollers 7, with gumapplying means 8 .. 11, to a folding box, in such a way that the direction of feed, viewed in plan, does not change from a straight line throughout the process. |
